21 senior systems engineer jobs found

Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...

Senior Product Engineer Belcan seeks an experienced Senior Product Engineer for a 12-month Inside IR35 contract in Pitstone. The role involves leading engineering work packages for the development, validation, and industrialisation of smart motor and power generation technologies. Key Responsibilities Lead and mentor multidisciplinary engineering teams to deliver robust, manufacturable solutions aligned with cost and weight targets. Oversee and approve design solutions; support design reviews per client governance and product introduction processes. Produce high-quality technical documentation, including CAD models, drawings, BOMs, and assurance reports. Drive risk management and continuous improvement through design investigations, root cause analysis, and lessons learned. Author, review, and approve technical documentation for engineering and through-life support. Provide training, mentoring, and leadership to engineering personnel. Deliver fit-for-purpose designs with a...

Senior CE&I Engineer - Sellafield Projects Contract | £51-£56/hour (Inside IR35) Warrington | Hybrid - 3 days on site / 2 days remote Are you a Senior Control, Electrical & Instrumentation Engineer looking to apply your expertise within one of the UK's most complex nuclear environments? We are seeking a Senior CE&I Engineer to support a range of engineering and decommissioning projects across the Sellafield programme, delivering robust CE&I design and safety documentation within a highly regulated setting. This role offers the opportunity to contribute to nationally significant nuclear decommissioning work, supporting the delivery of safety-critical systems that underpin long-term hazard reduction at Sellafield. Key Responsibilities Deliver CE&I design work packages across a variety of nuclear engineering and decommissioning projects Produce and check design substantiation, safety documentation, and technical deliverables Provide expert CE&I input...

Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...

Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...

12 Month Contract £40.64 per hour umbrella (Inside IR35) Hybrid Working – 1 – 2 days per week on site Job Role: The Senior HVAC Engineer will lead the design, integration, and technical assurance of numerous HVAC systems across a complex marine platform. They will apply deep expertise in system performance, capacity assessment, and optimisation to deliver robust, compliant, and customer focused solutions throughout the shipbuilding lifecycle. The role ensures high engineering standards by driving improvements to processes, supporting technical investigations, and providing evidence-based decision making. Strong HVAC and marine/building services systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications and developing HVAC system designs in accordance with project requirements, technical standards, and quality expectations. This includes Heat Load Calculations, Psychrometrics, Pressure Drop...

We have a contract opportunity working for Luxury Automotive OEM based in Gaydon, Warks Please review details below Job title: Suspension Engineer (C) Location: Gaydon Duration: 12 months Hourly rate: £27.21 p/h INSIDE IR35 (Via Umbrella Solutions) Duties: Apply engineering theories and principles to perform complex work in research and development of suspension engineering systems, including the design, characterization, and iterative refinement of suspension devices. Work with powertrain engineering to develop industrialized products. Level: A Senior Professional (P3) applies advanced knowledge of job area typically obtained through advanced education and work experience. Responsibilities typically include: * Managing projects / processes, working independently with limited supervision. * Coaching and reviewing the work of lower-level professionals. * Problems faced are difficult and sometimes complex. If you want to know more about this exciting contract...

An inside IR35 contract role is available for a Setting out Site Engineer to support the delivery of a major £300 million reinforced concrete package on a cutting-edge carbon capture facility in Teesside. The position involves providing engineering expertise across several key structures, including the turbine hall, condenser plant, and carbon capture unit. Reporting to the Section Engineers, your key responsibilities will be to -   Work safely and in line with approved systems, raising any concerns around safety, environment, or quality. Proactively challenge unsafe practices and carry out safety observations when needed. Perform accurate setting out for complex concrete structures, earthworks, roads, and utilities. Support the Senior Engineers/Section Engineers with material take-offs, stock control, and order scheduling. Prepare Inspection and Test Plans (ITPs), ensure they’re followed, and brief relevant team members. Liaise with the materials team to monitor...

Applications Engineer - HV Substations - Stafford - £70-£75 per hour (Umbrella) - 12-Month Contract - Inside IR35   An opportunity is available for an Applications Engineer to support the preparation of tenders, bids and technical proposals for electrical substation projects. The role focuses on developing technical solutions for HV substation systems and preparing high-quality documentation to support competitive bid submissions.   You will work closely with both engineering and commercial teams during the tendering process, helping define technical scope, equipment specifications and overall system solutions.   Key responsibilities include: Preparing tenders, bids and technical proposals for HV substation projects Developing technical solutions and defining equipment specifications Producing technical documentation to support bid submissions Working collaboratively with commercial and engineering teams during tender stages Supporting the development of competitive...

Senior EC&I Designer - Sellafield Ponds Programme Contract | £51-£56/hour (Inside IR35) Warrington | Hybrid - 3 days on site / 2 days remote Sector: Nuclear Decommissioning | Sellafield Ponds We are seeking an experienced Senior EC&I Designer to support major engineering works within the Sellafield Ponds Programme, one of the most complex and high-hazard decommissioning challenges in the UK nuclear sector. This role will see you taking a senior position within the EC&I design team, leading the development, review, and delivery of high-integrity design packages for safety-critical systems. You will play a key role in ensuring designs meet strict nuclear safety, regulatory, and engineering standards while supporting project delivery across multidisciplinary teams. Working within a collaborative engineering environment, you will provide technical guidance to designers and engineers, contribute to design reviews, and ensure the production of high-quality EC&I...

CE&I Safety System Design Engineer Silos MSSS SEP 1 & 2 | Nuclear & High-Hazard Environment Warrington Hybrid - 3 days on site £51-£56/hour | Inside IR35 Are you a CE&I Safety System Design Engineer looking to make a real impact on nationally significant infrastructure? This is a high-profile opportunity to join the Silos MSSS SEP 1 & 2 programme, working at the heart of safety-critical design in a complex, regulated environment. You'll be part of a specialist CE&I design team, delivering and checking Safety System design packages that underpin safe operations - while also supporting commissioning activities and mentoring the next generation of engineers. The Role You'll play a key role in: Delivering and checking CE&I Safety System design packages to meet safety, functional and business requirements Supporting and reviewing designs produced by other engineers within the team Working across disciplines to ensure compliant, integrated solutions...

Infrastructure Engineer Contract | £600-£650 per day | Inside IR35 Location: MOD Corsham (primary) Clearance: DV Cleared (UK Nationals only) We are seeking two experienced Windows Infrastructure Engineers to support and develop a secure MOD platform within a highly controlled defence environment. This is a hands-on contract role focused on operational stability, automation, and continuous platform improvement. Key Responsibilities Provide 2nd/3rd line support across incident, problem, and change management Perform root cause analysis and resolve complex infrastructure issues Maintain and improve automation using Ansible, AutoFS, and GoCD Administer Linux (RHEL/CentOS) and Windows Server systems, including patching and configuration Support Citrix and virtualised platforms including VMware vSphere and vRA Monitor system health using SCOM and other enterprise monitoring tools Collaborate with engineering teams and mentor junior colleagues Essential Experience Strong...

Astute's Contract team is working with a well-established energy from waste business for an Electric Engineer contract role for their renewable energy plant in South London. The Electrical Engineer will be Inside IR35 with a day rate between £350-£450 per day. This contract will be bridging the gap till a permanent hire joins the team. Contract duration could be anywhere from 2 months - 6 months. After, there is potential to move into the Project team on an ad-hoc basis. Key Skills Required for the role: Diagnose, repair and maintain electrical systems, including motors, PLCs, control panels, sensors and circuits. Carry out planned preventative maintenance (PPM) on electrical equipment. Perform fault-finding and troubleshoot complex electrical issues in a timely manner. Must have's: A recognised engineering qualification (NVQ Level 3, HNC or equivalent) 17th / 18th Edition wiring regulations certified Full UK Driving License Astute People are acting as an employment...

We are looking for a Temp Quality Inspector to join a team in the industrial sector in Bolton. The role requires a detail-oriented professional to ensure all equipment meets quality and compliance standards. Client Details The hiring company is a respected player within the industrial / manufacturing sector. It is a medium-sized organisation that values precision and excellence in its engineering and manufacturing processes. Description The temporary Quality Inspector will be responsible for: Goods inwards inspection against visual and dimensional requirements. Service equipment inspection for customer parts Valve build inspection Assess/approve first article inspection reports from vendors. Conduct patrol inspection in warehouse areas. Ensure calibration regimes are followed. Use of SAP system to conduct acceptance/rejection and raise concession of parts. Carry out initial problem resolution activities. Support Quality Engineers/engineering in problem resolution Material...

Senior Electrical Design Engineer x 4 Inside IR35 £47.12 per hour 2-3 days per week on site (Lancashire) Job description * As a Senior Electrical Design Engineer you will be part of a team producing the physical product definition to satisfy a set of multidisciplinary system functional requirements, taking account of safety, cost, manufacturing, in-service support and other considerations. Your engineering capabilities will be developed across a range of design skills and product lifecycle stages, working both in a model-based and 2D drawing engineering environment centred on Catia V5. * Typically your design capabilities will be developed using: * The CATIA V5 Electrical 3D & 2D Design Toolset in the design installation of electrical equipment, routing of electrical harnesses, incorporating support structure and physical separation requirements, taking account of system performance, system safety, system redundancy as well as cost and through-life considerations. * A...

Location: Stafford – Full Time Onsite Contract Length: Until 15 August 2026 IR35 Status: Inside IR35 Pay: £21.52 per hour via Umbrella Key Responsibilities * Perform testing, diagnostics, repair, maintenance, modification, calibration, and manufacture of equipment down to module or component level using approved engineering documentation and techniques. * Carry out planned and ad-hoc advanced repairs using technical documentation, Approved Source Information (ASI) and OEM data. * Support the surveying, refurbishment, and maintenance of Ground Support Equipment (GSE). * Undertake reverse engineering and development activities, including producing engineering documentation and test procedures where required. * Hold responsibilities for self-certification, over-signing, and conditioning of equipment (serviceable, unserviceable, or scrap). * Support the supervision, training, and mentoring of junior technicians and apprentices....

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.  Other CAD Package skills are also fine.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional...

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...

World Class Defence Organisation based in Stevenage and Bolton is currently looking to recruit 4x Supplier Quality Engineers.   A strong background of Supplier Quality Engineering / Auditing is required.  Defence, Aerospace or Automotive industries would be great.   Rate: £45.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bolton – depending on your preference   Hybrid / Remote working: The role will likely be 1-2 days per week onsite and the rest working remote Duration: 6 or 12 Months initially with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Supplier Quality Engineers Job Description:   An exciting opportunity has arisen for a Supplier Quality auditor to join the Supplier Quality Assurance team, supporting assurance of Mechanical & Electro-Mechanical suppliers   This...