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Contractor 117
Inside IR35 systems engineer

117 systems engineer jobs found

CL
Jun 18, 2026  
Systems Engineer
Systems Engineer - 12 month contract - Christchurch, Dorset - £72.54 ph UMB or £53.73 ph PAYE (Inside IR35) The Umbrella rate quoted above is the Gross Umbrella rate (i.e. the rate we pay to the Umbrella Company inclusive of ALL employment costs). Please note, the rate paid by the Umbrella will be less, as will a Limited Deemed rate or Agency PAYE rate. Please get in touch to discuss the rates via these different payment vehicles. The Role Not limited to… Providing Systems Engineering support to business development activities, including study/experimentation activities, system de-risking activities Development and implementation of technical solutions that meet the customer requirements Provision of realistic estimates for specified activities to the development lead Accurately report on progress Complete work to a high standard and to scope, quality and budget Support System Integration Activities What are BAE Systems looking for from you? A strong Systems engineering...
IR35 Status:
Inside IR35

CV-Library Christchurch, Dorset Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 07, 2026  
Systems Engineer Manager
World Class Defence Organisation is currently looking to recruit a Head of FCAS Systems Design Co-Ordination ( Systems Engineer Manager ) subcontractor on an initial 6 month contract.    This position would suit a candite from the Defence / Aerospace industries and from a Systems Engineering Management background.   Rate: £80.00 per hour Location: Bristol, Stevenage or Bolton, depending on your preference.  Hybrid / Remote working: Hybrid, 3 days per week onsite (the department can offer a compressed 4 day week of Monday to Thursday) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview Head of FCAS Systems Design Co-Ordination Job Description:   FCAS is one of the largest, most exciting and challenging programmes within Defence – to design and deliver a Future...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 07, 2026  
Systems Engineer Manager
World Class Defence Organisation is currently looking to recruit a Head of FCAS Systems Design Co-Ordination ( Systems Engineer Manager ) subcontractor on an initial 6 month contract.    This position would suit a candite from the Defence / Aerospace industries and from a Systems Engineering Management background.   Rate: £80.00 per hour Location: Bristol, Stevenage or Bolton, depending on your preference.  Hybrid / Remote working: Hybrid, 3 days per week onsite (the department can offer a compressed 4 day week of Monday to Thursday) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview Head of FCAS Systems Design Co-Ordination Job Description:   FCAS is one of the largest, most exciting and challenging programmes within Defence – to design and deliver a Future...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) 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   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) 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   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) 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   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
Systems Design Engineer 12 month contract Based in Stevenage (Bristol or Bolton possible) Offering up to £80ph Inside IR35 Do you have experience generating functional and physical architecture? Do you have experience with tools such as DOORS, Rhapsody, or Capella? Do you have experience with MATLAB or Simulink? If your answer to these is yes, then this could be the role for you! As the Systems Design Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Developing system architecture and design utilising MBSE Deriving and managing requirements Communicating with various stakeholders, the external customer, and suppliers internal to the business Developing Physical and Functional Architecture using SysML techniques...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 13, 2026  
Systems Integration and Test Engineer
Solutions Developer (Systems Integration & Test) £72.54 per hour (Inside IR35) 12 months Bristol - full time on site The Solution Developers will provide the core integration resource within a lab-based development environment, bringing with them a technical background in systems integration, communication systems engineering and networking. Typical duties include : * Integrating hardware and software components into tactical military communication systems. * Support the Solution Architect in creating the System Architecture and lower-level system and sub-system designs * Develop and integrate communication systems against designs. * Perform unit testing and debugging in support of verification and validation. * Support the Solution Tester in defining appropriate Tests. * Collaborating with wider project and engineering stakeholders to realise requirements into solutions. Knowledge: ▪ Windows/Linux based management systems responsible for the provisioning of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 14, 2026  
Software and Systems Test Coordination Engineer
Job Title: Software and Systems Test Coordination Engineer Location: Gaydon, Warwickshire Rate: £33.88ph via an Umbrella Company (Inside IR35) or £25.26ph on a PAYE basis Employment Type: Contract (Currently financed until March 2027) Hours: Standard 40 Hours Per Week Reference: J(phone number removed) Position Description: Duties: This role (Software and systems test coordination engineer) is responsible for overseeing the overall testing status of the EVA25 programs. While the role demands a high level of technical understanding, it is not hands-on testing role. The successful candidate will ensure consistent adherence to established processes, effective utilisation of issue management tools and clear and transparent reporting to senior stakeholders. Key aspects of this role involves the ability to drive and prioritise actions and process changes based on clear KPIs around testing management with stakeholders across the company. Strong skills in developing metrics,...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwickshire Contractor
CL
Jun 12, 2026  
Software & Systems Test Coordination Engineer
Expleo is seeking a Software & Systems Test Coordination Engineer to support a major engineering programme. This is an exciting opportunity to play a key role in coordinating and overseeing testing activities, ensuring alignment, transparency, and high-quality delivery across multiple stakeholders. This role requires a strong technical understanding of software and systems testing; however, it is not a hands-on testing position. The focus is on coordination, governance, and driving performance through data, reporting, and stakeholder engagement. 📅 Contract: 12 Months 📍 Warwickshire (Hybrid/Onsite as required) 💷 Rate: £33.88 per hour (Inside IR35) Key Responsibilities Oversee and report on the overall testing status of programmes Ensure adherence to established testing processes, standards, and governance frameworks Drive issue management activities, including tracking, prioritisation, and resolution Maintain and update issue registers and tracking systems with accuracy...
IR35 Status:
Inside IR35

CV-Library Warwickshire, UK Contractor
CL
Apr 17, 2026  
Systems Performance Modelling Engineer
World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Performance Modelling Engineer subcontractor on an initial 12 month contract.  Your base site can be either Stevenage or Bristol, depending on your preference. The role can be worked on a 4 day week basis (Monday to Thursday) but due to the nature of the work, the position will need to be based onsite.     This role would be suitable for a Simulation and Modelling Engineer (Matlab / Simulink) ideally from the defence or aerospace industry.   Rate: £80.00 per hour Location: Your base site can be either Stevenage or Bristol, depending on your preference Hybrid / Remote working: The role will based onsite.  A compressed 4-Day week of Monday to Thursday is possible 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 17, 2026  
Systems Performance Modelling Engineer
World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Performance Modelling Engineer subcontractor on an initial 12 month contract.  Your base site can be either Stevenage or Bristol, depending on your preference. The role can be worked on a 4 day week basis (Monday to Thursday) but due to the nature of the work, the position will need to be based onsite.     This role would be suitable for a Simulation and Modelling Engineer (Matlab / Simulink) ideally from the defence or aerospace industry.   Rate: £80.00 per hour Location: Your base site can be either Stevenage or Bristol, depending on your preference Hybrid / Remote working: The role will based onsite.  A compressed 4-Day week of Monday to Thursday is possible 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...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Apr 26, 2026  
Integration and System Validation Engineer
World Class Defence Organisation is currently looking to recruit 2x Integration and System Validation Engineer subcontractors on an initial 12 month contract.     The role would suit a candidate with the below experience: Network systems and protocols, experience of switch and router configuration and management Fault finding and route cause analysis at subsystem integration level Doors/ETM would be desirable Rate: £70.00 per hour Location: Bristol Hybrid / Remote working: 3-5 days on site; rest remote; lab-based position 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)                                                                                                                                           Interview Process: One stage Video Interview Integration and System Validation Engineer Job...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 18, 2026  
HV Power Electronics Engineer
Job Title: Senior HV Power Electronics Engineer Contract Duration: 12 Months Location: London Rate: £70–75 p/h DOE (Inside IR35) About the Role We are supporting an advanced engineering programme requiring a Senior HV Power Electronics Engineer with deep expertise in high-voltage system design, insulation coordination, and HV product validation. Key Responsibilities * Lead high-voltage creepage and clearance assessments across HV systems and subsystems. * Support the design and validation of high-voltage power conversion systems and associated power electronics. * Define and review insulation coordination strategies for complex electronic products. * Conduct HV risk analysis, DFMEA activities, and system-level design reviews. * Develop validation methodologies including HV withstand and insulation resistance testing. * Work closely with electrical, mechanical, safety, and systems engineering teams to resolve HV integration challenges. Required Experience *...
IR35 Status:
Inside IR35

CV-Library W1, Marylebone High Street, Greater London Contractor
CL
Jun 18, 2026  
Project Engineer - Software Integration
Location: Bristol (4-5 days per week onsite) Duration: 12 month initial contract Rate: £50ph UMB (Inside IR35) Candidates must hold or be eligible to obtain UK SC clearance. Role details: Our client, a key player in the defence and security sector, is currently looking for a Project Engineer to join their team in Bristol on a contract basis. This role supports the delivery of integration tools to customers, acting as the liaison between the Systems Engineering section and Manufacturing. The position demands a proactive approach to ensure timely delivery of critical path activities. This position is for 12 months with the possibility of extension. Key Responsibilities: Supporting the delivery of integration tools to customers by liaising between Systems Engineering and Manufacturing Working with Project Leads and development teams to ensure timely delivery of critical path activities Collaborating within an agile development team of mixed discipline engineers to deliver...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 07, 2026  
Human Factors Engineer
World Class Defence Organisation based in Bristol (the role will be split between working from home and onsite) is currently looking to recruit a Human Factors Engineer subcontractor on an initial 6 month contract.   Rate: £90.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: circa 3 days onsite Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Human Factors Engineer Job Description: The military operating environment is becoming more complex and new technological capabilities are required to ensure operational advantage. We believe that integration of Human Factors is critical to the development of safe, usable and effective weapon systems. The Human Factors department is responsible for ensuring that user capability is fully considered in...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 12, 2026  
CE&I Control Systems Design Engineers
OLG Recruitment are currently looking for two CE&I Control Systems Design Engineers for our client located in Warrington. You will be required to work within the Silos CE&I design team delivering and checking Programmable Electronic System (PES), based Control System designs/updates to meet functional and business needs. The implementation, testing and commissioning of the designs/updates is undertaken by other dedicated site-based teams. This is a contract position for a minimum of 18 months, this requirement has been assessed as inside IR35. Essential: Academic Qualification: Minimum - HNC Professional Qualification: Minimum - Incorporated Engineer Experience: Minimum 3 years successfully delivering as a PES based Control System Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards Effective verbal and written communication skills with the ability to convey...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
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