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Inside IR35 Contractor integration engineer

49 integration engineer jobs found

CL
Apr 16, 2026  
Integration Engineer
Integration Engineer Initial 12 Month Contract Full time on site Christchurch, Dorset £72.54 Per Hour (Umbrella Rate - Inside IR35) The Role Producing high-and low-level designs to meet challenging networking requirements Building and configuring technical solutions involving radios and networked hardware and software Integration of Commercial of the Shelf hardware and software Adherence to systems engineering practices Fault finding and resolution of issues in a development environment to a successful conclusion Producing clear and concise technical documentation Reporting on progress and providing feedback to team members and leadership Testing and verification to prove a set of requirements Experimentation of new and novel solutions The Candidate Essential: Installation and configuration of Layer 2 switched networks and Layer 3 routed networks Technical documentation production Functional domain knowledge of routing protocols e.g. OSPF, EIGRP, and RIPDesirable:...
IR35 Status:
Inside IR35

CV-Library Christchurch, Dorset Contractor
CL
Apr 10, 2026  
Integration Engineer - Cloverleaf
Integration Engineer - Cloverleaf, HL7, FHIR Up to £700pd inside IR35 London / Primarily Remote 3 months initially My client is seeking an experienced Integration Engineer to lead the design and development of clinical system integrations across a Cloverleaf platform. You'll act as the organisation's interoperability expert, ensuring HL7, FHIR and API integrations are secure, reliable, and support seamless clinical operations. Key Requirements: Proven experience as an Integration Engineer Strong expertise with HL7, FHIR, and API‑based healthcare integrations. Hands‑on experience with Infor Cloverleaf, including TCL scripting, routes, translators, and message mapping. Proven ability to troubleshoot complex production interfaces and ensure data integrity. Strong communication skills, able to translate complex technical concepts for varied audiences. Experience working within agile, cross‑functional technology teams. Excellent documentation skills and a structured, logical...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Geometry Integration Lead Engineer
Our OEM Client based in Gaydon, is searching for a Geometry Integration Lead Engineer to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £33.64 per hour. What to Expect: We are searching for a Geometry Integration Lead Engineer to work within the Vehicle package / Geometric integration department. The team are responsible for the full vehicle geometric integration of the vehicle, whilst balancing system and attribute performance, from concept to end of life, across all the company’s products. This role is to join the existing integration team to assist with all components that are packaged in the Closures and Exteriors groups. The team’s main responsibilities fall into 4 areas: Definition and delivery of the Closures and Exteriors group systems and customer features. Integrating Systems into the vehicle to deliver systems, hardware and attribute performance. Protecting space in the Vehicle for future...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Apr 12, 2026  
Geometry Integration Lead Engineer
Geometry Integration Lead Engineer - (phone number removed) - £33.99/hr (Umbrella Rate) (Inside IR35) Are you ready to take your engineering career to the next level? This is your chance to join a leading company in the automotive sector, renowned for its innovative approaches and commitment to excellence. As a Geometry Integration Lead Engineer, you'll play a pivotal role in shaping the future of vehicle design, working on cutting-edge projects that push boundaries and inspire progress. This company offers an exciting environment where your expertise will make a real impact, all while enjoying a collaborative and forward-thinking culture. What You Will Do: - Lead the geometric integration of components within the Closures and Exteriors group, ensuring systems and features are seamlessly incorporated into the vehicle. - Develop and deliver packaging proposals optimised for weight, cost, and customer experience. - Conduct CAD studies to ensure geometric targets and standards...
IR35 Status:
Inside IR35

CV-Library Warwick, UK Contractor
CL
Apr 16, 2026  
Project Professional
Data Engineer Brentwood Contract £23.49 per hour PAYE or £30.56 per hour limited paid via umbrella company inside IR35 Our client is looking for an experienced is looking for Data Engineer 5 days a week (37 hrs) 8.30am – 5.00pm – Mon-Thur 8.30 – 4.30pm – Fri We have begun to build our data infrastructure, using the MS Fabric technologies and need to expand and are looking for a data engineer that will work on data transformation and integration projects with particular focus on using your skills with python for integrations and knowledge of database and data manipulation techniques to move data around. We are particularly looking for an experienced data engineer with python developer skills who will re-engineer current dated scripts and processes and move these into a MS Fabric Environment to transformed, store and exported ready for ingestion into target business applications. Prefer this to be a hybrid role which requires working onsite for projects and well as remote. This is...
IR35 Status:
Inside IR35

CV-Library Brentwood, Essex Contractor
CL
Apr 16, 2026  
AIT) Electrical Test Operations Engineer
AIT Electrical Test Operations Engineer Location: Oxford (Onsite, UK Eyes Only) Clearance: SC Required Rate: £37.00/hr (Umbrella, Inside IR35) Hours: 37 per week Shift Pattern: Up to 24/7 rotation, including weekends Initial Base: Stevenage, transitioning to RAL NSTF, Oxfordshire in March 2026 Role Overview The AIT Electrical Test Operations Engineer plays a key role in the preparation, execution, and analysis of electrical and functional testing for spacecraft and engineering test benches. Operating within a cleanroom environment, the engineer ensures that spacecraft systems meet stringent performance and safety standards ahead of environmental testing and launch campaigns. Key Responsibilities Core Activities Executes electrical and functional test procedures on engineering test benches and flight spacecraft. Utilises the Central Checkout System (CCS), Electrical Ground Support Equipment (EGSE), and Spacecraft Check-Out Equipment (SCOE). Validates electrical test aids,...
IR35 Status:
Inside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Apr 16, 2026  
Systems Qualification Engineer
Systems Qualification Engineer 2-3 days on site £72.54 per hour (inside IR35) Defence 12 months As a Qualification Systems Engineer you will report to the Lead Hardware Systems Engineer and Project Design Authority as applicable. Your responsibilities will include estimation of development activities, design of technical solutions, implementation of proposed solutions and the testing involved in verifying them. You will also be required to help in diagnosing with reported issues. This role will require the need to travel to test house. As part of the development team you will be expected to work closely with your team members, as well as providing support to other teams such as business winning, development, test, and support teams. You will support the design, qualification and implementation of our deliveries at the operational level. In other words, not only will you be responsible for ensuring the components comprising our systems meet their requirements but you will be...
IR35 Status:
Inside IR35

CV-Library Christchurch, Dorset Contractor
CL
Apr 16, 2026  
Satellite AIT Electrical Systems Engineer
Electrical Systems Test Engineer - Satellite AIT An opportunity to shape the performance and reliability of next‑generation spacecraft Location: Onsite (UK Eyes Only) Clearance: SC Clearance Required Rate: £55.00 per hour (Umbrella, Inside IR35) Hours: 37 per week Role Overview This role places the Electrical Test Engineer at the centre of satellite Assembly, Integration & Test (AIT). The engineer will design, develop, and execute complex electrical and functional test sequences that ensure spacecraft are fully prepared for the challenges of launch and the space environment. They will work hands‑on with flight hardware, support live test operations, investigate anomalies, and contribute to the technical reviews that determine spacecraft readiness. This position is ideal for someone who thrives on precision, problem‑solving, and the excitement of seeing their work contribute directly to a mission in orbit. Reports to: Satellite AIT Electrical Test Engineering Manager...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 16, 2026  
AIT Electrical Engineer
Satellite AIT EGSE Engineer Location: On‑site (UK Eyes Only) Clearance: SC Clearance Required Rate: £45.00 per hour (Umbrella, Inside IR35) Hours: 37 per week Step into a role at the heart of spacecraft innovation. As a Satellite AIT EGSE Engineer, you'll be the technical authority behind the electrical ground support equipment that powers spacecraft build, integration, and test. This is your chance to work on mission‑critical systems, solve complex engineering challenges, and directly contribute to the success of space missions. What You'll Be Doing You'll take ownership of the electrical test racks and EGSE systems that keep spacecraft development moving. Your day‑to‑day will include: Maintaining, validating, and fault‑finding on advanced electronic and RF test racks Administering and configuring computer systems and networks across Windows and Linux environments Setting up and securing local networks, including firewall configuration Supporting environmental and...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 16, 2026  
Senior Mechanical Engineer
Up to £64.81 per hour umbrella (Inside IR35) Up to 4 days per week on site 6 Month contract (initially) Our client is currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes.  Key Responsibility Areas: Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM system (Teamcenter). Contribute to reviews of Mechanical designs in accordance with...
IR35 Status:
Inside IR35

CV-Library Basildon, UK Contractor
CL
Apr 15, 2026  
Primary Design Engineer
Electrical Design Engineer (Contract) Location: Hybrid, with occasional on‑site attendance Contract: 6-12 months IR35: Inside IR35 (Umbrella or PAYE) Expenses: Business travel expenses covered Role OverviewWe are seeking an Electrical Design Engineer with proven experience in Primary substation design to support ongoing transmission and distribution projects. The role involves delivering high‑quality technical designs, ensuring compliance with UK standards, and contributing to project milestones within a fast‑paced engineering environment. Key Responsibilities * Produce detailed designs for primary substation systems * Develop equipment specifications, cable calculations, earthing designs, and interface documentation * Ensure designs comply with DNO/TSO standards, BS/IEC regulations, and project‑specific requirements * Support design reviews, technical assurance processes, and multidisciplinary coordination * Provide technical input across project stages from concept...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands (County) Contractor
CL
Apr 12, 2026  
Vehicle Weight Engineer
Job Title: Weights 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) Key Accountabilities and Responsibilities: An On-Cycle (i.e. programme delivery) Weights Engineering role requires assisting with, or ownership of the attribute for the programme, encompassing (but not limited to): Lead the coordination of vehicle weight data across all functional owners. Own programme‑level weight targets, including setting, balancing, and reporting status to Integration and senior teams. Utilisation of set control models to determine the mass and loads of all buildable derivatives on the programme Lead resolution of key mass related issues, including loads, distribution, and target gaps. Calculate (where appropriate) vehicle mass properties from geometry & first principles...
IR35 Status:
Inside IR35

CV-Library CV35, Gaydon, Warwickshire Contractor
CL
Apr 12, 2026  
Weights Engineer
Job Title: Weights 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) Key Accountabilities and Responsibilities: An On-Cycle (i.e. programme delivery) Weights Engineering role requires assisting with, or ownership of the attribute for the programme, encompassing (but not limited to): * Lead the coordination of vehicle weight data across all functional owners. * Own programme‑level weight targets, including setting, balancing, and reporting status to Integration and senior teams. Utilisation of set control models to determine the mass and loads of all buildable derivatives on the programme Lead resolution of key mass related issues, including loads, distribution, and target gaps. * Calculate (where appropriate) vehicle mass properties from geometry & first...
IR35 Status:
Inside IR35

CV-Library CV35, Gaydon, Warwickshire Contractor
CL
Apr 12, 2026  
Manual Test Engineer (LAN Network & File Systems)
Job Title: Manual Test Engineer (LAN Network & File Systems) Location: Wokingham (2 roles) & Warwick (1 role) – Office-based Contract Type: Contract (6 months) Day Rate: £415 per day (Inside IR35) The Opportunity We are looking for experienced Manual Test Engineers with strong expertise in LAN network testing and file systems, including Encrypted File System (EFS) and mounting. This role sits within a large enterprise environment where you will be responsible for ensuring secure, reliable, and high-performing network and file system operations. You will work closely with infrastructure, security, and end-user computing teams. Key Responsibilities LAN Network Testing * Perform end-to-end LAN testing, including VLANs, IP addressing, DHCP, DNS, routing, and ACLs * Validate QoS, firewall rules, and application connectivity * Test redundancy and failover scenarios such as LAG, spanning tree, and high availability * Measure and analyse network performance including...
IR35 Status:
Inside IR35

CV-Library RG41, Winnersh, Wokingham Contractor
CL
Apr 12, 2026  
On-Cycle Weights Engineer
Our OEM Client based in Gaydon, is searching for a On-Cycle Weights Engineer to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £33.64 per hour. Key Accountabilities and Responsibilities: An On-Cycle (i.e. programme delivery) Weights Engineering role requires assisting with, or ownership of the attribute for the programme, encompassing (but not limited to):  Lead the coordination of vehicle weight data across all functional owners.  Own programme‑level weight targets, including setting, balancing, and reporting status to Integration and senior teams. Utilisation of set control models to determine the mass and loads of all buildable derivatives on the programme  Lead resolution of key mass related issues, including loads, distribution, and target gaps.  Calculate (where appropriate) vehicle mass properties from geometry & first principles  Coordinate generation & maintenance of Vehicle Mass Property...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Apr 12, 2026  
Weights Engineer
Weights Engineer - (phone number removed) - £33.99/hr (Umbrella Rate) (Inside IR35) Step into an exciting career opportunity where innovation meets precision. This role offers a chance to work on cutting-edge vehicle engineering projects, contributing to a company that values excellence and precision in every detail. With a focus on delivering impactful solutions, this position promises professional growth, exposure to industry-leading methodologies, and the chance to make a tangible difference in the automotive sector. What You Will Do: - Lead the coordination of vehicle weight data across all functional teams, ensuring seamless integration and accuracy. - Own programme-level weight targets, including setting, balancing, and reporting status to senior teams. - Utilise control models to determine mass and loads for all buildable derivatives within the programme. - Resolve key mass-related issues, including loads distribution and target gaps, to maintain programme integrity....
IR35 Status:
Inside IR35

CV-Library Warwick, UK Contractor
CL
Apr 12, 2026  
Splunk and OpenShift Observability Engineer
Role Title: Splunk and Openshift Observability Engineer Location: Sheffield/Birmingham/London/ Hybrid - 2/3 days per week onsite Duration: 8 months Rate: £494 per day inside ir35 We're looking for a Splunk & OpenShift Observability Engineer to design, deploy, and optimise enterprise-grade monitoring across hybrid Kubernetes and OpenShift environments. This is a high-impact role where you'll shape observability strategy, enhance service intelligence, and ensure platform reliability at scale - balancing performance, cost efficiency, and security governance. You'll work at the intersection of platform engineering, observability, and service intelligence, helping to transform raw telemetry into actionable insight. This is an opportunity to influence reliability strategy, improve operational maturity, and deliver measurable value across a modern cloud-native estate. What You'll Be Doing Design, deploy, and operate Splunk Enterprise and ITSI across hybrid Kubernetes/OpenShift...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 12, 2026  
System Safety Engineer
Are you a System Safety professional with strong rail experience? Do you thrive in technically complex, safety-critical environments? Rate: £580 to £620 per day (Inside IR35) Contract length: Initial 12 months, with likely extensions Location: London (hybrid - 3 days per week in the office) This role sits within the Systems and Integration function of a major rail infrastructure programme. You will be responsible for leading and coordinating system safety activities across multiple disciplines and lifecycle stages. You will work closely with technical leads, stakeholders and independent assessors to ensure safety compliance and robust hazard management throughout the programme. Essential Requirements ·Proven experience in rail system safety roles ·Strong working knowledge of CSM-RA and its application ·Experience chairing HAZIDs, HAZOPs and hazard review meetings ·Ability to develop and maintain Hazard Records and system safety deliverables ·Experience managing safety...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Apr 12, 2026  
IT Systems Engineer Lead
IT Systems Engineering Lead - Major Energy/Petrochemical Project Location: Reading, UK (On‑Site) Hours: 37.5 per week Contract Length: 12 Months, start date ASAP Pay Rate Banding: PAYE - £43-17ph - £58.46ph / Umbrella - £56.91ph - £75.31ph IR35:Inside of IR35 About the Opportunity Our Client is delivering a large‑scale petrochemical and refinery upgrade programme aimed at modernising existing assets, integrating new world‑scale facilities, and significantly reducing greenhouse gas emissions. As part of this major long‑term project, they are seeking an experienced IT Systems Engineering Lead to join their Project Management Team based in Reading. This is a senior technical leadership role, supporting the pre‑FEED and FEED phases of a complex integrated refinery and petrochemicals development. You will represent Our Client in guiding contractors, shaping engineering standards, driving IT/OT system integration, and ensuring robust, secure, and cost‑effective digital...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 11, 2026  
SOC Engineer
SOC Engineer +24 month contract +On site in Corsham +DV cleared role +Inside IR35 +£575 - £625 a day Skills: +SOC +SIEM +Dv clearance We're looking for a SOC Engineer to support a complex environment, focusing on security monitoring, incident response, and platform administration across a modern security stack. Key Responsibilities Monitor and respond to security events using Elastic SIEM (ELK) Investigate incidents, perform root cause analysis, and improve detection rules Manage vulnerability scanning and remediation (Tanium) Support endpoint security & EDR (Trend Micro, Trellix) Administer email security (Clearswift) and respond to phishing threats Maintain log integration and SIEM data pipelines Support Active Directory, access management, and system security (Windows/Linux) Work within ITSM tools (Remedy, Jira) ensuring proper documentation and governance Requirements Hands-on SIEM experience (Elastic preferred) Experience with vulnerability...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
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