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Holt Executive is excited to partner with a leading global connectivity provider in the search for an exceptional  IT Infrastructure Engineer. This collaboration highlights our shared commitment to delivering innovative solutions and attracting top-tier talent. We are seeking a skilled professional to play a key role in providing day-to-day hands on technical support and management of the internal Corporate and customer-managed IT Infrastructure and projects. This partnership reflects Holt Executive’s dedication to connecting forward-thinking companies with outstanding candidates who drive innovation and success. Be Part of the Future of Global Connectivity

We are seeking a talented and motivated IT Infrastructure Engineer to join a dynamic team working on cutting-edge connectivity solutions. This is a fantastic opportunity to be part of a forward-thinking organization, contributing to the development and maintenance of advanced systems that enable seamless communication across industries worldwide.

About the Role:   The role involves providing hands-on technical support and management of both internal and customer IT infrastructure, ensuring 24/7 service delivery, and acting as an expert on corporate systems and servers, while supporting internal users and remote sites globally   Key Responsibilities:

• Build, maintain, and support physical/virtual environments, network storage, and backup/recovery systems to ensure high service availability.
• Manage and support corporate IT infrastructure for HQ, remote offices, and customers, ensuring seamless operation and integration.
• Ensure server builds and network configurations align with IT security policies and accreditation standards.
• Maintain software compliance for server operating systems, applications, and client licenses, including regular audits.
• Monitor server and service performance to ensure efficient operation.
• Manage email infrastructure, including Exchange, cloud continuity services, SPAM filtering, and mobile device management (MDM).
• Adhere to departmental change control processes and contribute to CCB meetings.
• Build and maintain IT hosting infrastructure, including storage, virtual environments, email, and backups.
• Build and maintain IT security infrastructure, including antivirus, update/patch management, and web filtering.
• Build and maintain telephony equipment and servers, and install telephones on desks.

Requirements:

• HND/Degree in Computer Science or related discipline, or at least 10 years’ experience in a demanding environment with a 100+ user network, including remote sites.
• Extensive experience with virtual environments (VMware).
• In-depth experience with email services, including Microsoft Exchange, Spam Filtering, cloud messaging, and continuity services.
• Strong knowledge of Windows OS administration, Active Directory management, Group Policies, user/group management, and PowerShell.
• Extensive experience maintaining server hardware and storage systems (NAS, SAN).
• Strong understanding of IT security (anti-virus, hard drive encryption, client hardening, authentication).
• Experience in High Availability environments, including clustering and disaster recovery.
• Solid technical knowledge of IP network fundamentals.
• Ability to achieve Direct Vetted Status (DV).

Desirable Skills:

• Linux knowledge an advantage 
• Experience of Blackberry UEM server or Mobile Device Management (MDM). 
• Experience of administering and supporting IP phone systems. 
•  In-depth experience of SNMP monitoring tools. Author: Nigel Quinn Document: IT Infrastructure Support Engineer Page: 4 of 4 Version 1.0 Date of Issue: 
• A sound technical knowledge of any of the following: Endpoint Central, McAfee/Trellix Security, WebMarshal, Veeam, Microsoft SQL Server. 
• Relevant Microsoft qualifications are a strong bonu.

What We Offer:

• Competitive salary and comprehensive benefits package.
• Opportunities for professional development and certifications.
• A collaborative and innovative work environment.
• The chance to work on impactful projects in a fast-evolving industry.

If you’re passionate about technology and eager to play a critical role in delivering innovative connectivity solutions, we’d love to hear from you.   Apply now to join a team dedicated to shaping the future of global communication. We are also a Disability Confident employer.

Join our client and leverage your expertise and leadership in electronics design to make a significant impact!

Holt Executive is partnered with a leading electro-optics design and manufacturing business, seeking a Senior Electronics Engineer to join their expanding Engineering team. If you are passionate about innovation and leadership in electronics design, this role is for you.

As a Senior Electronics Engineer, you will play a key role in developing cutting-edge electronics and leading a talented team. Your expertise will drive innovation, ensuring high standards of engineering practice and project success.

Key Responsibilities for the Senior Electronics Engineer:

• Expertise in circuit design, components, and PCB technology.
• Work in EMC, Power Management, Servo Control, processor interfacing, and communications.
• Define and review overall architecture, including power management and system wiring.
• Lead by example, setting standards for good engineering practices.
• Drive innovation within the department, regularly communicating with senior management, customers, and stakeholders.
• Lead the development or enhancement of technology, providing subject matter expertise for R&D projects.
• Technical leadership of multi-disciplined projects, fostering a systematic approach and delivering solutions to customers.
• Provide insights into resource planning and support other engineers through training and development.

 
Key Skills and Experience for the Senior Electronics Engineer:

• Strong degree in a related discipline accredited by the IET, with typically 6 years of relevant experience.
• Proven experience in leading or supervising projects or teams.
• Solid theoretical and practical understanding of electrical and electronic designs.
• Ability to perform analysis-based activities such as circuit emulation and power budgets.
• Capability to assess and highlight key project risks and design activities.
• Awareness of the full project lifecycle from bid development to customer support.
• Proven track record of innovation-based approaches in engineering and leading, managing, or mentoring engineers.
• Ability to investigate and fault-find technical problems at PCB or system level.
• Experience with Embedded Software Design, including ARM/KEIL.
• Knowledge of EMC to military standards and managing issues at architecture and embedded levels.
• Understanding of motors and drive technology, with skills in control systems analysis.
• Proficiency in analysis and simulation tools such as Python, MATLAB, Simulink, LT-Spice, Simetrix.
• Familiarity with management tools like JIRA, Confluence, MS Project.
• Expertise in PCB design tools such as Altium, Cadence OrCAD.
• Familiarity with design resilience techniques like Failure Mode Effects Analysis.
• Awareness of Lightning Direct and Indirect Effects.

 Company Benefits:

• 37.5-hour work week with lunchtime finishes on Fridays.
• 28 days annual leave and Christmas closure.
• Employee Help@Hand Service providing access to remote GP services, second opinions, mental health support, and physiotherapy consultations.
• Life Assurance Policy, including Bereavement Counselling and Probate Helpline.
• Company Share Incentive Plan and Save as You Earn Scheme.
• Wellbeing initiatives, including access to the Aviva Wellbeing App and regular wellbeing activities.
• Employee discount scheme, including access to a wellbeing hub.
• Excellent Learning & Development opportunities.

 
Security Clearance Requirements:
Due to the nature of our business, our staff need to be able to obtain UK Security Clearance as a mandated requirement. Therefore, if successful, you will need to provide proof of identity, employment history and right to work in the UK, along with proof of UK residency for at least five years.

If your skills and experience match this exciting Senior Electronics Engineer opportunity, we encourage you to apply now!

Senior Systems Engineer – Defence & Technology

Location: Berkshire (Flexible / Hybrid Working Available)
Salary: £50,000-£60,000 (DOE) + Excellent Benefits
Clearance Required: Must be eligible for UK Security Clearance

Are you a systems thinker with a passion for innovation and leadership? We’re looking for a Senior Systems Engineer to join a cutting-edge engineering team working on complex, multidisciplinary products across the full lifecycle, from concept to delivery.

This is a great opportunity to play a pivotal role in shaping high-integrity solutions across electrical, electronic, hardware, and embedded software domains. You’ll be hands-on in project delivery and drive improvements in systems engineering practice, while mentoring and supporting the wider team.

What You’ll Be Doing

• Lead systems engineering activities across complex product development programmes.
• Drive process improvements, mentor colleagues, and enhance engineering best practices.
• Define and manage system-level requirements, from stakeholder input through to compliance.
• Design system architectures, perform trade-off analyses, and guide project decisions.
• Provide technical leadership throughout the design, integration, validation, and commissioning phases.
• Engage with project managers, supply chain, production, and customers to ensure success from concept to delivery.
• Support bid and proposal activities with technical expertise and creative solutions.

What We’re Looking For

• A degree in a relevant engineering discipline.
• A strong background in multidisciplinary systems engineering (min. 5 years).
• Experience across the full product development lifecycle.
• Practical understanding of electrical and electronic systems.
• Proven track record in leading technical teams and delivering successful outcomes.
• Strong communication, organisational, and mentoring skills.
• Passion for continuous improvement and innovation.

What’s In It for You

• 37.5-hour working week with early Friday finish
• Hybrid/flexible working arrangements
• 28 days holiday + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Income protection, life assurance & EAP (mental health, GP access, physiotherapy)
• Share schemes and electric vehicle salary sacrifice
• Wellbeing initiatives, sports/social activities, and discounts platform
• Rewarding referral scheme
• Excellent learning and development opportunities

Additional Information

You must be eligible for UK Security Clearance to apply. This includes proving your right to work and UK residency for the last five years.

Ready to lead, innovate, and make a real impact? Apply now and help shape something truly impactful.

Senior Systems Engineer – Defence & Technology

Location: Devon (Flexible / Hybrid Working Available)
Salary: £50,000-£60,000 (DOE) + Excellent Benefits
Clearance Required: Must be eligible for UK Security Clearance

Are you a systems thinker with a passion for innovation and leadership? We’re looking for a Senior Systems Engineer to join a cutting-edge engineering team working on complex, multidisciplinary products across the full lifecycle, from concept to delivery.

This is a great opportunity to play a pivotal role in shaping high-integrity solutions across electrical, electronic, hardware, and embedded software domains. You’ll be hands-on in project delivery and drive improvements in systems engineering practice, while mentoring and supporting the wider team.

What You’ll Be Doing

• Lead systems engineering activities across complex product development programmes.
• Drive process improvements, mentor colleagues, and enhance engineering best practices.
• Define and manage system-level requirements, from stakeholder input through to compliance.
• Design system architectures, perform trade-off analyses, and guide project decisions.
• Provide technical leadership throughout the design, integration, validation, and commissioning phases.
• Engage with project managers, supply chain, production, and customers to ensure success from concept to delivery.
• Support bid and proposal activities with technical expertise and creative solutions.

What We’re Looking For

• A degree in a relevant engineering discipline.
• A strong background in multidisciplinary systems engineering (min. 5 years).
• Experience across the full product development lifecycle.
• Practical understanding of electrical and electronic systems.
• Proven track record in leading technical teams and delivering successful outcomes.
• Strong communication, organisational, and mentoring skills.
• Passion for continuous improvement and innovation.

What’s In It for You

• 37.5-hour working week with early Friday finish
• Hybrid/flexible working arrangements
• 28 days holiday + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Income protection, life assurance & EAP (mental health, GP access, physiotherapy)
• Share schemes and electric vehicle salary sacrifice
• Wellbeing initiatives, sports/social activities, and discounts platform
• Rewarding referral scheme
• Excellent learning and development opportunities

Additional Information

You must be eligible for UK Security Clearance to apply. This includes proving your right to work and UK residency for the last five years.

Ready to lead, innovate, and make a real impact? Apply now and help shape something truly impactful.

Holt Executive are partnered with a Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide. They are now developing a LEO constellation that will revolutionize global broadband connectivity for enterprise.

Our partner is seeking a User Terminal Architect to play a vital role in in the design and development of next-generation satellite user terminals.

Key Responsibilities for the User Terminal Architect:

• Support the design, development, and optimization of Modem architectures.
• Drive trade-space discussions.
• Collaborate with cross-functional engineering teams to ensure that integration of the modem with other terminal components is seamless.
• Developing and implementing signal processing algorithms.
• Performance analysis, and test reviews of modem designs, including link budget analysis.
• Ensure compliance is met with relevant industry standards.
• Lead the development and testing of prototypes.
• Work with third-party vendors, manufacturers, and a cross-functional engineering and product team to ensure cohesion with the system design.

Key Skills & Experience for the User Terminal Architect: 

• A Bachelor’s or Master’s degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• 6+ years of experience in satellite communication systems, modem design, and ideally FPGA design and signal processing.
• Strong knowledge of digital communication systems, including modulation techniques, error correction methods, and RF systems.
• Proficiency with design and simulation tools such as MATLAB, Simulink, or similar. Experience with DSP programming is a plus.
• Experience with making trade-offs between performance and cost at the component and the system level.
• Experience with the full lifecycle of hardware and modem designs – from inception, design, production, and fielding.

 
The successful candidate must be able to work in the United States and obtain relevant clearances.

This opportunity offers a hybrid work model with 4 days in the office per week and occasional travel is anticipated.
 
If your skills and experience match this User Terminal Architect opportunity, we encourage you to apply now!

Holt Executive is supporting a well-established and rapidly growing design and manufacturing business, seeking a Principal Mechanical Engineer to join its engineering team.

Specialising in advanced systems for the defence sector, the company delivers innovative, precision-engineered solutions to meet complex customer requirements.

This role offers the opportunity to lead a skilled engineering team and contribute to the design and delivery of cutting-edge technology.

Key Responsibilities for the Principal Mechanical Engineer: 

• Lead and manage a multi-disciplinary design team to deliver high-quality mechanical design solutions, ensuring projects are completed on time, within budget, and to specification.
• Drive innovative design of complex electro-mechanical systems, mechanisms, and structures using SolidWorks and supporting analysis tools.
• Perform detailed engineering analysis including stress, fatigue, vibration, and materials performance, using both conventional methods and simulation software.
• Produce and manage detailed engineering documentation, including 3D CAD models, manufacturing drawings, test plans, reports, and technical documentation to support product development and customer requirements.
• Integrate mechanical designs with electronic, control, and drive systems, collaborating closely with wider engineering teams.
• Lead design reviews, manage design releases to production, and support manufacturing, testing, and field engineering teams.
• Support project managers with resource planning, progress reporting, and technical problem-solving.
• Assist sales and bid teams with proposals, quotations, and technical input.
• Promote continuous improvement in product development processes, working cross-functionally with other engineering and production teams.

Skills & Experience for the Principal Mechanical Engineer: 

• Degree qualified in Mechanical Engineering.
• Proven experience leading the design of complex mechanical systems, preferably within defence or other high-reliability sectors (e.g., R&D, scientific equipment, bespoke machinery).
• Strong knowledge of material selection, machining, fabrication techniques, and surface treatment processes for use in harsh environments.
• Expertise in motion control, precision mechanisms, gear drives, bearings, and motor integration.
• Proficient in SolidWorks 3D CAD and engineering analysis.
• Experience managing small to medium-sized design teams, with a focus on mentoring, coaching, and talent development.
• Excellent communication and stakeholder management skills, capable of presenting complex technical arguments clearly.
• Demonstrated ability to work collaboratively within multi-disciplinary teams and deliver results within fast-paced environments.
• Familiarity with producing technical documentation, safety reviews, risk assessments, and quality control processes.

Benefits & Work-Life Balance:

• 37.5-hour working week with early finish on Fridays
• Hybrid and flexible working arrangements
• 28 days annual leave + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Life assurance, income protection, and employee assistance programme
• Electric vehicle salary sacrifice scheme
• Wellbeing support, gym discounts, and reward platform with high street discounts
• Employee share scheme and referral bonus
• Continuous learning & development opportunities
• Free onsite parking

Security Clearance Requirement:

Due to the nature of this role, candidates must be eligible to obtain UK Security Clearance. Proof of identity, right to work, employment history, and residency in the UK for at least five years will be required.

If your qualifications and experience align with this Principal Mechanical Engineer opportunity, we encourage you to submit your CV to info@holtexecutive.com for consideration. 

Senior Systems Engineer – Defence & Technology

Location: West Sussex (Flexible / Hybrid Working Available)
Salary: £50,000-£60,000 (DOE) + Excellent Benefits
Clearance Required: Must be eligible for UK Security Clearance

Are you a systems thinker with a passion for innovation and leadership? We’re looking for a Senior Systems Engineer to join a cutting-edge engineering team working on complex, multidisciplinary products across the full lifecycle, from concept to delivery.

This is a great opportunity to play a pivotal role in shaping high-integrity solutions across electrical, electronic, hardware, and embedded software domains. You’ll be hands-on in project delivery and drive improvements in systems engineering practice, while mentoring and supporting the wider team.

What You’ll Be Doing

• Lead systems engineering activities across complex product development programmes.
• Drive process improvements, mentor colleagues, and enhance engineering best practices.
• Define and manage system-level requirements, from stakeholder input through to compliance.
• Design system architectures, perform trade-off analyses, and guide project decisions.
• Provide technical leadership throughout the design, integration, validation, and commissioning phases.
• Engage with project managers, supply chain, production, and customers to ensure success from concept to delivery.
• Support bid and proposal activities with technical expertise and creative solutions.

What We’re Looking For

• A degree in a relevant engineering discipline.
• A strong background in multidisciplinary systems engineering (min. 5 years).
• Experience across the full product development lifecycle.
• Practical understanding of electrical and electronic systems.
• Proven track record in leading technical teams and delivering successful outcomes.
• Strong communication, organisational, and mentoring skills.
• Passion for continuous improvement and innovation.

 
What’s In It for You

• 37.5-hour working week with early Friday finish
• Hybrid/flexible working arrangements
• 28 days holiday + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Income protection, life assurance & EAP (mental health, GP access, physiotherapy)
• Share schemes and electric vehicle salary sacrifice
• Wellbeing initiatives, sports/social activities, and discounts platform
• Rewarding referral scheme
• Excellent learning and development opportunities

Additional Information

You must be eligible for UK Security Clearance to apply. This includes proving your right to work and UK residency for the last five years.

Ready to lead, innovate, and make a real impact? Apply now and help shape something truly impactful.

IT Infrastructure Architect

Holt Executive are partnered with a global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide. They are now developing a LEO constellation that will revolutionize global broadband connectivity for enterprise.

Our partner is seeking an IT Infrastructure Architect to oversee the architecture and design of essential IT infrastructure for the constellation, including cloud and data centres. This position will include deliverables, documentation, strategy, and the final design, working cross-functionally across Network and Cloud Engineering.

Key Responsibilities for the IT Infrastructure Architect:

• Define and maintain hardware standards, preferred vendors, and support models across multiple data center environments.
• Participate in project and stakeholder meetings as needed.
• Collaborate with stakeholders to determine resource requirements, project future capacity needs, and provide cost estimations.
• Support data center engineering efforts with rack layout planning, as well as cooling and power modeling.
• Work with architecture teams to design infrastructure solutions that align with established requirements, emphasizing availability and security.
• Create documentation outlining the hardware architecture and supporting infrastructure services, including automation related to Infrastructure as Code (IaC).
• Contribute to the creation of infrastructure build guides and reference materials for the IT Infrastructure.

Key Skills & Experience for the IT Infrastructure Architect:

• A degree in Computer Science, or relevant equivalent experience.
• Over 7 years of hands-on experience with installing, configuring, and operating data center environments, encompassing servers, storage systems, and networking components.
• More than 5 years of experience in building secure, on-premises data center hardware clusters, including network, server, and storage infrastructure.
• At least 5 years of experience in designing, implementing, and managing enterprise-grade networks, including switches, firewalls, and associated monitoring tools.
• Demonstrated expertise in deploying and maintaining cloud-based infrastructure solutions.
• Solid experience working with virtualization platforms such as VMware and KVM.
• Extensive experience in designing, deploying, and maintaining large-scale, highly available, and fault-tolerant network infrastructures.
• Proficient in managing and operating various Linux distributions, including RedHat and Ubuntu, as part of day-to-day operations.
• Deep understanding and hands-on experience with a range of storage platforms and technologies, including related network protocols such as iSCSI and NFS.
• Skilled in implementing and managing dedicated infrastructure services, including DNS and NTP, in secure and isolated environments.
• Strong familiarity with cloud infrastructure solutions, including vendor-specific services and technologies.
• Well-versed in identity and access management (IAM) principles, strategies, and tooling.
• Experienced in using scripting and automation tools such as Bash, Python, Terraform, and Ansible to provision and manage infrastructure.
• Background in designing data center management platforms, including DCIM systems, as well as monitoring and alerting solutions.
• Working knowledge of Kubernetes deployments is a valuable asset.
• Understanding of Site Reliability Engineering (SRE) principles is considered beneficial.

The successful candidate must be able to work in Canada and be able to obtain a Canadian Controlled Goods Program (CGP) Clearance.

This opportunity requires 4 days in the office per week and travel is anticipated.

If your skills and experience match this IT Infrastructure Architect opportunity, we encourage you to apply now!

Holt Executive are delighted to be partnered with a globally recognised communication and technology leader to support a critical hire within their Field Service / Telecommunication Engineering team.

Our partner provides unrivalled connectivity solutions across several key and critical sectors. This role will specifically support our partners Energy and O&G customers to support their telecommunication requirements using solutions such as VSAT, Fibre optics & LTE systems.

Our partner is looking for someone with solid technical and troubleshooting experience across a telecommunication and SATCOM product portfolio. It is essential for this individual to be driven by customer satisfaction and have complex problem-solving skills.

Key Responsibilities – Telecommunication / Field Service Engineer – VSAT:

• Installation, commissioning & fault diagnostics of VSAT fixed single and dual Antenna Systems
• Commissioning & fault diagnosis of single & multiple carrier services on the above systems related to specific manufacturer Satellite access technologies for SCPC, TDMA, IDirect, newtech & CnC
• Installation and commissioning of LEO VSAT systems such as Avanti
• Installation and commissioning of LTE services in the North Sea
• Installation of P2P/LOS and Fiber Optic WAN services
• Installation, configuration, and commissioning of managed Network Lan infrastructure on site

 Key Experience Required – Telecommunication / Field Service Engineer – VSAT:

• HNCHND Electrical/Electronic/Computer Engineering qualification
• 5 years’ experience in a similar role 
• Seatel, Intellian, Orbit factory training certifications
• GVF Certifications relevant to VSAT
• Approved Fibre training ( splicing and measurement )
• Proven experience of electrical installation & termination
• Proven knowledge of basic LAN network infrastructure hardware, cabling & test
• Proven knowledge of associated test equipment (Spectrum Analyser, RF Power meter, DVM,OTDR, Lan Tester)
• EU or Norwegian citizenship ability to work in Norway (sponsorship not available)

 If your skills and experience match this – Telecommunication / Field Service Engineer – VSAT opportunity, we encourage you to apply by sending your resume to info@holtexecutive.com

Holt Executive has partnered with a leading global connectivity provider, offering services to a global customer base, across maritime, enterprise, defence & government sectors.

Our partner is seeking a Sales Manager – UK Government & Defence who will be responsible for generating new business and managing existing accounts within the UK Government and Defence sectors. This role involves promoting a holistic range of products and solutions, actively seeking new opportunities, and ensuring alignment with future market needs.

Key responsibilities, skills, and experience for the Sales Manager – UK Government & Defence:

• Develop and execute strategies to market and sell products and services to new and existing customers.
• Manage new sales enquiries, coordinating closely with the Group Sales Director.
• Cultivate and maintain strong relationships across all levels with assigned customers.
• Collaborate with the Business Development and Technical Services teams to enhance service delivery and product offerings.
• Provide dedicated sales support to key customers, ensuring timely follow-ups on all sales and service requests to maximize customer retention.
• Prepare accurate quotations in line with company guidelines.
• Maintain a comprehensive awareness of market conditions and customer activities.
• Keep the sales database updated with new leads and quotes.
• Create and update strategic account plans for key customers and territories.
• Prepare sales budgets, forecasts, and detailed reports on market and sales activities as needed.
• Ensure timely issuance and signing of contracts and purchase orders to meet customer delivery timelines.
• Participate in and contribute to market initiatives to enhance customer awareness of offerings and generate new leads.
• Maintain up-to-date knowledge of product portfolio to effectively promote all offerings.
• Engage in additional sales-related initiatives such as exhibitions and seminars as required.

Key requirements for the Sales Manager – UK Government & Defence:

• Eligibility for SC security clearance within the UK.
• Profound knowledge of maritime NAVCOM solutions and a strong commercial awareness.
• Flexibility in work hours and willingness to travel extensively.
• Excellent interpersonal skills and ability to work independently.
• Able to confidently present to engineering teams as well as C-suite executives.

If your qualifications and experience align with this Sales Manager – UK Government & Defence opportunity, we encourage you to submit your CV to info@holtexecutive.com for consideration.