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Contractor integration engineer

119 integration engineer jobs found

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 09, 2026  
Collibra Integration Engineer
Collibra Integration Engineer Role - Hybrid / Canary Wharf - 6 month Contract - Banking Tier 1 Bank - Regulatory Reporting Team Role - Collibra Integration Engineer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 per day (inside IR35) Tasks Administer and maintain the Collibra platform from an IT engineering perspective, including configuration, health monitoring, troubleshooting, and performance management across EMEA environments. Configure, schedule, and manage integrations using DIP/CDQ, EDGE, and Lineage Harvester, ensuring consistent ingestion of metadata, schemas, and lineage from multiple data sources. Perform connectivity and prerequisite validation with Application teams, ETL teams, and DBAs, including driver installation, credential management, network/firewall requirements and technical onboarding for new data sources. Investigate and resolve incidents related to Collibra...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 08, 2026  
Integration Engineer
Our client BAE Systems is currently seeking an Integration Engineer to join their team on a contract basis. This role is based at the MISC Facility, Portsdown Hill, Portsmouth. This position involves hybrid arrangements, requiring you to be fully on-site. The duration of the contract is 12 months. Key Responsibilities: Supporting the UK MOD test and integration facility Testing new pieces of equipment to ensure functionality Maintaining the facility to ensure it is operational Overseeing GFE and servers owned by the MOD Installing firewalls and modifying networks Managing cabling requirements Applying patches and updates Monitoring server parametrics, including heat output Recalculating room changes based on parametric data Monitoring equipment, logging data, and analysing trends and patterns Job Requirements: Experience in systems integration Knowledge of software integration Ability to maintain and manage a secure facility Proficiency in installing firewalls and modifying...
IR35 Status:
Unknown Status

CV-Library Portsmouth, Hampshire Contractor
CL
Apr 08, 2026  
Integration Engineer
Our client BAE Systems, a key player in the defence and security sector, is currently looking for an experienced Integration Engineer to join their Electronic Systems Business Unit. This contract role is based in Rochester with hybrid arrangements involving four days per week on-site, offering an exciting opportunity to work on critical projects for a duration of 12 months. Key Responsibilities: Integrating software systems within the defence and security sectors Collaborating with cross-functional teams to ensure seamless system integration Conducting tests to validate the integration and functionality of software systems Identifying and troubleshooting integration issues Preparing detailed technical documentation and integration reports Ensuring compliance with security protocols and standards Working under BPSS security level with potential nationality restrictions Job Requirements: Proven experience in software integration Strong knowledge of integration principles and...
IR35 Status:
Unknown Status

CV-Library Rochester, Kent Contractor
CL
Apr 08, 2026  
Integration Engineer
Join a world-renowned aerospace and defence organisation as a Integration Engineer in Rochester full time onsite Would you like to join a global aerospace and defence organisation? Do you want to work as part of an organisation protecting people and maintaining maximum national security? Due to a drive for greater success, this advanced manufacturing business is currently searching for a Integration Engineer to add to their talented, hardworking team in Rochester on a 12 month contract. Striving for innovation and creativity you can ensure no two days will be the same. Rate: £42.11 per hour inside / Umbrella The role:  Design - Input into the definition of requirements for Integration Functional Specifications; document technical specifications  Build & Configuration - Develop source to OICS integrations, configure non-Oracle adapters.  Quality & Robustness - Implement error handling, retries, idempotency, logging and alerts; align mappings to canonical models and...
IR35 Status:
Unknown Status

CV-Library Rochester, Kent Contractor
CL
Apr 04, 2026  
InterSystems Integration Engineer
Hays are now looking for an Integration Engineer - Intersystems for one of our local clients: £550 p/d Inside IR35 2 days a week in Wiltshire, the rest is WFH Must currently hold SC Clearance We are looking for an Integration Engineer with strong, hands‑on experience across InterSystems technologies such as HealthShare, Ensemble, IRIS or Caché. The role involves building and maintaining integration workflows that link internal and external platforms, support reliable data movement, and improve business efficiency. You'll work closely with technical and non‑technical teams to design solutions, troubleshoot issues, and deliver robust integration services. Skills & Experience Required Must have Practical, demonstrable background working with InterSystems products, including: - IRIS - HealthShare - Ensemble - Caché / ObjectScript‑based development Solid understanding of common integration patterns, interoperability concepts, and best‑practice approaches. Strong technical...
IR35 Status:
Inside IR35

CV-Library Wiltshire, UK Contractor
CL
Apr 10, 2026  
CCTV Commissioning Engineer
We are seeking an experienced Tester in Charge (TIC) CCTV Commissioning Engineer to lead the testing, commissioning, and handover of CCTV and associated security systems on rail infrastructure projects. The role requires strong experience working to Network Rail standards, with proven expertise in Bosch and Hanwha CCTV systems. Key Responsibilities Act as Tester in Charge (TIC) for CCTV commissioning activities on rail projects Lead and coordinate all testing and commissioning activities in line with Network Rail processes and standards Commission, configure, and test CCTV systems including: Bosch (BVMS, cameras, encoders) Hanwha Vision / Wisenet systems Develop and execute test plans, ITPs, and commissioning procedures Manage and witness FAT/SAT and site acceptance testing Ensure compliance with Network Rail standards, specifications, and assurance processes Oversee system integration with telecoms, SCADA, access control, and other rail systems Produce and sign off...
IR35 Status:
Unknown Status

CV-Library Kent, UK Contractor
CL
Apr 10, 2026  
Principal Safety engineer
Role: Principal Safety Engineer Location: Plymouth(Hybrid) Duration: 12 months Inside IR35: Umbrella About our client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and technical disciplines, delivering high-quality and complex engineering projects. It offers a structured and collaborative working environment with opportunities for hands-on experience and professional development. Main Purpose of Role Responsible for ensuring the delivery of the safety engineering aspects of the facility. Ensure systems are designed against a clear statement of compliance with defined requirements, including demonstration that the design meets relevant HSE requirements. Guiding the development of engineering to the required scope and quality to support timely delivery of the project. Review of Safety Engineering...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Apr 10, 2026  
Senior Manager
Senior Manager, Software Engineering Location: Farnborough (On‑Site) Industry: Aerospace / High‑Altitude Platforms / Safety‑Critical Systems Contract: 6 Month inside IR35 Rate: £52ph Lead the software engineering function behind next‑generation, high‑altitude aerospace technology. I'm recruiting on behalf of an innovative aerospace organisation developing world‑leading, solar‑powered, high‑altitude platforms designed for ultra‑long‑endurance flight. Operating above 60,000 ft, these platforms enable mission‑critical applications including direct‑to‑device connectivity, high‑resolution Earth observation, environmental monitoring and global‑scale humanitarian operations. This is a rare opportunity to step into a high‑impact leadership position within a rapidly growing and genuinely pioneering engineering environment. The Role: Senior Manager, Software Engineering As the Senior Manager for Software Engineering, you will lead an expanding team responsible for the full software...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Apr 10, 2026  
Network Engineer / Network Designer
Job title: Network Engineer / Network Designer (Contract) Duration: 3 months initially, with potential extensions Location: London (Hybrid) Role Overview A Network Engineer / Network Designer is required to deliver project-based network and security changes within a large, distributed retail organisation. This role focuses solely on project delivery, with no BAU or operational support responsibilities. The contractor will work under general direction, taking responsibility for their own deliverables and ensuring that all design output, configuration artefacts, and documentation updates are accurate, consistent, and aligned with established standards. The work will involve contributing to network designs, implementing planned configuration changes, and updating documentation across hybrid cloud and on?premises environments. Technologies include Cisco ACI, Juniper Mist, Fortinet FortiGate, Palo Alto Networks, Zscaler (ZIA/ZPA), Azure networking, F5 LTM, and automation tooling...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 10, 2026  
Microsoft 365 Engineer (Migration to Copilot / Teams)
Microsoft 365 Engineer (Migration to Copilot / Teams) £450 a day (Inside IR35) 6 Months Hybrid (1 day onsite) Currently seeking an experienced Microsoft 365 Engineer to support and maintain its enterprise Microsoft 365 platform during a period of significant transformation across the Digital Workplace. This role sits within IT Services and will provide business-as-usual 2nd and 3rd line support across core Microsoft 365 services, while also contributing to key strategic initiatives including the rollout of Microsoft 365 Copilot, the transition from Zoom to Microsoft Teams, and ongoing governance and support of the Power Platform.This is a hands-on operational and engineering role within a large, complex Microsoft 365 environment. We are looking for a contractor with strong hands-on Microsoft 365 engineering and operational support experience in enterprise-scale environments. Essential: Proven experience working as a Microsoft 365 Engineer in a large or complex organisation...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Apr 10, 2026  
Avionics Software Team Lead
Key Skills: + Understand Software Lifecycle + C/Python + Aerospace standards including DO-178C Job purpose: We are seeking a Senior Manager, Software Engineering to lead our expanding software team. Reporting to the System Design Manager, you will be responsible for the management and day-to-day activities of the software team, collaborating with other disciplines and managers in all areas of the business. Responsibilities: Team Leadership: Lead the day to day activities of the software team, taking responsibility for delivering the agreed team goals. Skills Development: Develop the team's personal and professional skills, acting as a mentor and coach to the team members. Team growth: Be part of the recruiting team seeking new talent as the team grows. Be accountable for the planning, design, development, verification and integration of the software for the high-altitude, long-endurance aircraft. Act as the technical authority for software, ensuring compliance with safety,...
IR35 Status:
Unknown Status

CV-Library Farnborough, Hampshire Contractor
CL
Apr 10, 2026  
Software Test Engineer
Software Test Engineer - Driving Quality in Next‑Generation Geospatial Technology The Software Test Engineer plays a key role within a dynamic Agile Scrum team, contributing to the development of innovative, cloud‑based solutions in the geospatial domain. This position goes far beyond traditional testing. The engineer is involved across the full software development lifecycle, shaping the quality and reliability of complex, real‑world systems. The role is based in either the Newcastle or Guildford office, with flexible hybrid working arrangements. The successful candidate is expected to be on site three days per week, with the option to work remotely for two days. Key Responsibilities Collaborates closely with developers, product owners, and stakeholders to embed quality throughout the development process. Provides accurate task estimation during sprint planning. Designs effective tests within an Agile environment using modern test management tools. Creates and executes...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Apr 10, 2026  
Data Analyst
Data Analyst Onsite Requirements: Remote Start Date: ASAP Role Duration: 1 year Clerance Requirements: Active SC clearance Inside IR35 - umbrella only Role Description: We're looking for a Data Engineer whose main focus is understanding and documenting existing systems, with the goal of supporting decommissioning activities. The role centres on analysing current solutions built using Java, Node JS, and React, and developing a clear, end to end picture of how data flows across the wider programme. This includes documenting data flows, system dependencies, and underlying data models, ensuring there is a clear record of how data is structured, stored, and used throughout the solution. The role involves investigating how systems are used on a day-to-day basis, clarifying ownership and integration points, and capturing this information in a way that supports risk assessment and decommissioning decisions. Responsibilities: Python and PySpark are required as supporting...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 10, 2026  
Battery Test Engineer
Position Title: Battery Test Engineer Duration: Contract Location: Banbury, Oxford Please note this role includes shift work, Earlys & Lates, please enquire for more information. *Applicants MUST have proof of immediate, on-going and valid eligibility, to work full time, and travel within, the UK** Role Overview: Our Client is seeking an experienced Engineer to support Performance End of Line (PEOL) and End of Line (EOL) testing, commissioning, and fault resolution of high-voltage power systems. This is a hands-on, delivery-focused role supporting both prototype and production build phases. The position is primarily focused on executing and supporting PEOL / EOL testing of HV power systems, with additional support to related battery and system-level testing as required. The Engineer will be responsible for: Executing PEOL and EOL performance testing of high-voltage power systems Performing system-level diagnostics, fault finding, and root cause analysis Validating...
IR35 Status:
Unknown Status

CV-Library Banbury, Oxfordshire Contractor
CL
Apr 10, 2026  
Senior Lead Engineer (TMDC)
Solution Architect/ Lead Engineer – GCP Data Platforms & DevEx Lead Location: London - Hybrid  Day rate: up to £700 per day inside IR35 We’re seeking a hands-on Senior Lead Engineer to design and deliver high-volume financial data pipelines on Google Cloud Platform (GCP). This is a pivotal role bridging complex data architecture and high-velocity engineering, ensuring our platforms remain secure, observable, and robust. What You’ll Do Lead technical architecture and hands-on engineering across batch data pipelines (BigQuery, Dataproc, Cloud Storage) Own Developer Experience (DevEx): automate environments, refine CI/CD pipelines, and reduce friction for engineering teams Build and optimize CI/CD pipelines using GitHub Actions Implement Infrastructure-as-Code (Terraform) for secure, scalable cloud environments Integrate database change management tools like Liquibase into automated pipelines Apply DevSecOps best practices across the lifecycle: static analysis, dependency...
IR35 Status:
Inside IR35

CV-Library Peninsula Square, London SE10 0DX, UK Contractor
CL
Apr 09, 2026  
Project Lead Engineer - Vehicle Structures
POSITION DESCRIPTION: * This role is within the Vehicle Structures team as a Lead Engineer, reporting to the Technical Group Leader. * The role will mainly focus on the delivery of HV battery enclosures, Frame, Lid, sealing and venting and bracketry. * Responsibility for ensuring all in-flight programmes is being delivered to the latest technical requirements and strategy. * This will include ensuring efficient integration and compatibility of the structure, to deliver the necessary attribute targets. * As a Project Lead Engineer, you will be responsible for the design and development of components on a given platform during the delivery phase, with platform & project engineer responsibilities. * Achieving targets for component/system cost, weight, NVH, dynamics, safety, and function into the Vehicle and Power Unit program teams, as well as making the design and tooling releases to suppliers. SKILLS: * Proven management capabilities with excellent...
IR35 Status:
Unknown Status

CV-Library Solihull, West Midlands (County) Contractor
CL
Apr 09, 2026  
Production Test Engineer
Production Test Engineer 12-month contract Based in Bolton Offering £37ph Inside IR35 Are you an experienced Test Engineer? Do you have experience testing down to component level? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Production Test 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: Providing test engineering support to operators on the shopfloor Testing and diagnosing complex electrical/electronic systems, sub-assemblies, and circuit cards down to component level Generating test specifications, operator instructions, and technical reports - based on higher-level requirements and information Identify remedial and corrective...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Apr 09, 2026  
Senior Engineer
We are seeking an experienced Freelance Senior Engineer to support the delivery of major infrastructure and development projects. This is an excellent opportunity for a highly skilled professional with a strong background in highways, drainage, and structural works to contribute to technically challenging schemes. Role Overview As a Freelance Senior Engineer, you will play a key role in the planning, coordination, and execution of civil engineering works. You will work closely with project managers, design teams, and site staff to ensure projects are delivered safely, on time, and to the highest quality standards. Key Responsibilities - Oversee and manage Section 278 (S278) highway works, ensuring compliance with local authority requirements - Lead the design review and site implementation of drainage systems, including surface and foul water networks - Support delivery of flood defence and mitigation schemes, ensuring adherence to environmental and regulatory standards -...
IR35 Status:
Unknown Status

CV-Library Derby, UK Contractor
CL
Apr 09, 2026  
Software Test Engineer
Software Test Engineer 12 month contract Based in Newcastle Upon Tyne Offering £70ph Inside IR35 Do you have experience using Postman or Bruno? Do you have experience in testing? Do you want to work with an industry-leading company? If the answer is yes to these, then this could be the role for you! As the Software Test 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: Collaborating closely with developers, product owners, and other stakeholders to ensure software quality at every step Task estimation in accordance with sprint planning Design of tests within an agile environment using a test management tool Designing and executing automated and exploratory tests, particularly in RESTful API environments Testing of Web...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
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