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Inside IR35 Contractor Southampton

32 jobs found in Southampton

CL
Apr 30, 2026  
Contracts Support Engineer
Our client, who own and operate the Fawley refinery, is currently seeking a Contracts Support Engineer to join their commercial team. The Contracts Support Engineer is responsible for supporting the development, execution, and implementation of contracting strategies across a portfolio of site‑based contracts at a major refinery. The role focuses on maximising commercial value, ensuring effective contract application, and supporting strong contractual performance throughout the full contract lifecycle. The refinery operates using multiple multi‑discipline contracting organisations that deliver a broad range of maintenance and operational services, including mechanical, electrical, instrumentation, scaffolding, insulation, and associated support trades. The Contracts Support Engineer plays a key role in ensuring these contracts are robust, clearly defined, and effectively managed to support safe, compliant, and efficient refinery operations. The position works closely with...
IR35 Status:
Inside IR35

CV-Library Southampton, Hampshire Contractor
CL
Apr 26, 2026  
Production Specialist
Production Specialist (Contract) Location: Eastleigh Duration: 6 months Rate: Up tp £45/hour - Umbrella Inside IR35 Our client seeks a skilled Production Specialist for contract work building helicopter rotor trackers, aircraft cables, and engine monitoring units at their Chandlers Ford facility. Focus: Safety, Quality, Delivery, Cost. Key Responsibilities: Hand soldering, crimping, PCB assembly per specs/drawings Test/inspect products to BoM standards Fault finding, rework/repair on PCBs Goods inspection, continuous improvement input Team collaboration and efficient operations Essential Skills (2+ years): Electro-mechanical assembly (soldering, wiring, crimping) Read schematics, wire diagrams, BoMs Identify electronic components (resistors etc) ESD procedures, basic PC skills (Word, Teams etc) Excellent manual dexterity Desirable: IPC610/620 certs, conformal coating, PCB repair, NVQ L3 Electrical Eng, QC experience Immediate start for right candidate. Apply with CV
IR35 Status:
Inside IR35

CV-Library Eastleigh, Hampshire Contractor
CL
Apr 29, 2026  
Project Manager
Project Manager 6 months (Inside IR35) – 4 days on site in Whiteley (Hampshire) – Active SC required Role Purpose The Project Manager is responsible for planning, coordinating, and delivering projects to agreed timelines, cost, and quality standards. This includes managing risks, allocating tasks, and reporting progress to stakeholders. Projects will include both internal product development (New Product Introduction – NPI) and external customer-facing deliverables. The role also involves managing technically complex systems and building strong customer and business relationships. Key Responsibilities * Deliver projects involving existing products and new or bespoke solutions in line with contractual requirements. * Manage new product development through the NPI process, ensuring products are suitable for volume production and meet quality standards. * Work with Operations to oversee initial production units and maintain visibility of supply chain activities to meet...
IR35 Status:
Inside IR35

CV-Library Whiteley, Hampshire Contractor
CL
May 02, 2026  
Process Engineer - Lean Continuous Improvement
Process Engineer - Lean / Continuous Improvement Romsey, Hampshire £390/day (Inside IR35) 10 Months Ready to drive real change in a high-impact defence environment? This is your chance to lead lean transformation, optimise production, and make a measurable difference across manufacturing and supply chain operations. What You'll Be Doing: Improving, manufacturing, assembly & test processes to boost efficiency, quality & cost savings Leading root cause analysis (8D, RCA, DMAIC) to solve complex production issues Driving a culture of continuous improvement across teams Implementing Lean tools (PFMEA, 5S, Asset Care) Supporting production troubleshooting across electro-mechanical products Collaborating with cross-functional teams to deliver real operational changeWhat We're Looking For: HNC/HND qualified + Lean Six Sigma Green Belt Strong background in Lean Manufacturing & CI methodologies Experience with electro-mechanical assembly & testing environments...
IR35 Status:
Inside IR35

CV-Library Hampshire, UK Contractor
CL
Apr 11, 2026  
Embedded Software Engineer
World Class Defence Organisation is currently looking to recruit a Embedded Software Engineer subcontractor on an initial 12 month contract.     Rate: £65.00 per hour Location: Portsmouth Hybrid / Remote working: 2 days per week remote working Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Embedded Software Engineer Job Description: The role of Embedded Software Engineer is required due to increased demand for the work of our Advanced Developments Group (ADG). The ADG are a small team of highly innovative, enthusiastic engineers providing cutting edge technology solutions to our key customers. Responsibilities: Use your skills and knowledge to prototype innovative wireless solutions You will be primarily developing using C/C++ on embedded platforms Development of embedded...
IR35 Status:
Inside IR35

CV-Library Portsmouth, UK Contractor
CL
Apr 30, 2026  
Health And Safety Administrator
Environmental Safety & Health Assistant Havant | 12-Month Contract | Inside IR35 | 37.5 Hours over 4 days | Are you an organised and proactive ESH professional looking for your next challenge? We are supporting a global leader in defence, engineering and advanced technology in the search for an Environmental Safety & Health Assistant to join their team in Havant. This is a fantastic opportunity to play a key role in driving workplace safety, environmental compliance and continuous improvement across multiple UK sites. In this position, you will: * Provide ESH guidance and support to managers and employees * Support ISO 14001 and ISO 45001 management systems * Maintain ESH records, policies, procedures and risk registers * Assist with workplace hazard identification, risk assessments and compliance actions * Coordinate PPE, first aiders, fire wardens and training records * Support incident investigations and Net Zero initiatives * Prepare for internal and...
IR35 Status:
Inside IR35

CV-Library Havant, Hampshire Contractor
CL
May 02, 2026  
Alarms System Implementation Specialist
Job title: Alarms System Implementation Specialist Job Type: Contract IR35 Status: Inside IR35 Start date: ASAP Duration: 21 months Location: Salisbury Full time on site Hours of work: 37 hours per week Role information: We are seeking an experienced Alarms System Implementation Specialist to support safety, legal, and compliance activities within a high hazard laboratory environment. The role focuses on urgently improving an organisation wide alarm management model to reduce Major Accident Hazard (MAH) risks and ensure consistent implementation of alarm management policies across multiple facilities. You will work closely with senior stakeholders to design and deliver a structured implementation plan, including the upskilling of existing personnel to ensure a sustainable, compliant approach to alarm management. This is a senior, hands on role requiring strong technical expertise, leadership capability, and the ability to work effectively across complex operational environments....
IR35 Status:
Inside IR35

CV-Library Salisbury, Wiltshire Contractor
CL
Apr 26, 2026  
Commercial Officer - SC
Job Title: Commercial Officer -SC Location: Hybrid – Salisbury or Fareham (Occasional travel to site) Contract Duration: 12 Months Daily Rate: £463/day (Umbrella – Maximum) IR35 Status: Inside IR35 Security Clearance: SC & Sole Uk national The Role: As a Commercial Officer within the Commercial Function the successful candidate will be responsible for: sourcing, sales and contract management. The role provides working level support for portfolios, operating as a supervised practitioner in their area of responsibility and can have delegations which include sourcing, contract management, or sales. Working as part of a team of up to six staff, you will typically be working for a Commercial Manager developing procurement requirements with other staff and internal projects. You will determine procurement strategies and support value for money tendering including negotiation with suppliers and supplier selection. You will place contracts and ensure effective supplier performance...
IR35 Status:
Inside IR35

CV-Library SP4, Allington, Wiltshire Contractor
CL
May 01, 2026  
Traffic Signals Engineer
Traffic Signals Engineer Wanted Wiltshire Area Hybrid Role 6 month rolling contract £ Flexible Inside IR35 Start ASAP Job Purpose To support the delivery of the Council's responsibilities as Highways Authority; To manage the Councils traffic signal asset by undertaking assessment, design, operation, installation and maintenance; To administer the traffic signal maintenance contract and associated budget; To lead the planning, coordination and provision of services covering all aspects of traffic signal maintenance and other electronic highway control and monitoring equipment. Working hours: 37 hours a week min Monday to Friday Weekly Pay How to Apply or for more Information: 3 simple ways to apply or get in touch: Apply directly online via the Matchtech website Call Callum Laycock directly on (phone number removed) Email your CV to Matchtech: Matchtech are the largest and leading Highways and Transportation Recruitment Company in the UK. Future Roles: If you...
IR35 Status:
Inside IR35

CV-Library Wiltshire, UK Contractor
CL
May 02, 2026  
Avionics Test Technician
Our client has an opportunity for an Avionics Test Technician to join them on a contract basis. You will be supporting the verification and validation of avionics systems. Role: Avionics Test Technician Location: Farnborough, fully onsite Hours: 37 hours per week Hourly Rate: £31.16 per hour via Umbrella, inside IR35 Clearance: BPSS required before starting What you'll be doing: The Avionics Test Technician will support the verification and validation of avionics systems. The role involves hands-on testing, fault finding, and close collaboration with engineering, manufacturing, and programme teams to ensure safe, repeatable, and high-quality test execution. Requirements: Previous experience in a test engineering or test technician role, ideally within aerospace, avionics, or a related engineering environment. Strong safety-first mindset, with a clear understanding of safe working practices. Familiarity with ESD control procedures and compliance with ESD-safe working...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Apr 29, 2026  
Supply Chain Manager
Job Title: Supply Chain Manager Location: Farnborough Duration: 6 Months IR35: INSIDE Day Rate: £DOE ***Current and Active UK SC Clearance is required*** I am seeking an experienced Supply Chain Manager to join a leading engineering and defence organisation on a 6-month contract basis in Farnborough. This role sits inside IR35 and offers a competitive day rate. This is a key position responsible for delivering sourcing strategies, managing supplier relationships, and ensuring robust contract governance within a highly regulated environment. Due to the nature of the work, active SC clearance is essential. Key Responsibilities Sourcing & Procurement Lead the development and execution of sourcing activities aligned to business requirements Apply procurement frameworks and collaborate with category teams to optimise sourcing strategiesContract Management Manage end-to-end contract lifecycle including negotiation, execution, and performance monitoring Lead Contract Change...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Apr 26, 2026  
Infrastructure Engineer - DV Cleared
Infrastructure Engineer (Security-Focused) £540 - £580 per day - Inside IR35 DV Cleared Location - Farnborough - Onsite 12 Month Contract The Role We are looking for a skilled Infrastructure Engineer with strong experience in enterprise security platforms such as Trellix (formerly McAfee ePO) or similar endpoint security tools. This is an exciting opportunity to work at the intersection of infrastructure and cybersecurity, contributing to the design and delivery of secure, resilient environments within highly regulated sectors. This role is ideal for someone who is technically strong, curious, and motivated to solve complex challenges. You will play a key part across the full lifecycle of infrastructure delivery-from discovery and design through to migration and hardening-while maintaining a security-first mindset. You'll work closely with technical leadership and stakeholders, helping to build and support robust environments that meet stringent compliance and operational...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Apr 29, 2026  
M365 and Entra Technical Architect
M365 and Entra Technical Architect Frimley or Preston Based (Mainly remote) £1000 per day Umbrella Inside IR35 12 Month Contract initially. This is a great opportunity to work within one of the UK's leading Defence organisations based In Frimley or Preston. Mainly remote with 1-2 days per month on site. The Azure Engineer is responsible for building, operating, and optimising cloud infrastructure and platform services within Microsoft Azure. This role provides hands‑on engineering, operational support, and continuous improvement of Azure services to ensure secure, scalable, and resilient cloud delivery. The engineer works closely with architects, security teams, and application owners to implement solutions that follow best practice, automation standards, and governance controls. Knowledge Deep understanding of Microsoft 365 architecture including Exchange Online, SharePoint Online, Teams, OneDrive, and Purview. Expert knowledge of Entra ID concepts including Conditional...
IR35 Status:
Inside IR35

CV-Library Frimley, Surrey Contractor
CL
May 02, 2026  
Senior Category Manager
Job Title: Senior Category Manager - SC Location: Reading  (3 days/week on site) Contract Duration: 12 Months Daily Rate: £81.74/hr (Umbrella – Maximum) IR35 Status: Inside IR35 Security Clearance: SC & Sole Uk National Essential: SC (Security Clearance) 5+ years Public Procurement experience Negotiating Stripping costs from contracts Supplier Relationship Management Ability to influence and deliver Stakeholder Management at various levels, internal and external Ability to work autonomously Has worked similar size of contract Knowledge of MOD or working with MOD, 3+ years (worst case would accept public sector experience) Has experience doing competitive flexible procurement on PA23. Open framework experience Desirable: ERP experience An IT Background Background in integrating systems, eg SAP or similar Key Accountabilities: Develop and implement Category Strategies for assigned sub-group of categories, balancing short and long-term objectives to meet business strategy...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
May 01, 2026  
SC Cleared Extreme Network Engineer
SC Cleared Extreme Network Engineer Location: Reading (On-site) Start Date: May 2026 Duration: 9 Months Rate: £450/day Inside IR35 Clearance Required: SC Clearance (Active) We are currently seeking an experienced SC Cleared Extreme Network Engineer to support a key project based on-site in Reading. This is a fantastic opportunity to join a high-profile environment, working on critical network infrastructure over a 9-month engagement. Key Responsibilities: * Manage and support network infrastructure using Extreme Networks technologies * Ensure network stability, performance, and security across the environment * Troubleshoot and resolve complex networking issues * Support ongoing network operations and project delivery * Collaborate with wider technical teams to maintain service excellence Required Skills & Experience: * Strong hands-on experience with Extreme Networks solutions * Experience working with Juniper core networks * Proven background in network engineering...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 26, 2026  
Senior Data Engineer
Senior Data Engineer +8 months +Hybrid in Reading +Inside IR35 +£80 - £85 ph +SC cleared role Skills: +MOD +Data Engineer +Python We're seeking an adaptable, proactive Senior Data Engineer to build and scale data capabilities within a greenfield environment across critical Defence and Aerospace programmes. ⚠️ Essential Requirement: You must have hands-on experience working with aerospace engineering or operational data-such as aircraft platform data, sensor outputs, test datasets, or other high-volume technical data sources. This is a key role where you'll help shape secure, scalable data platforms from the ground up, so a can-do attitude, adaptability, and a passion for innovation are vital. What You'll Be Doing Design, build, and maintain end-to-end data solutions (ingestion, integration, storage, processing, analysis) Develop data pipelines, automation, and analytical tools to drive insight Work with complex aerospace datasets in secure, mission-critical...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 26, 2026  
Data Analyst - Sc cleared
Data Analyst +Hybrid working in Reading +SC cleared role +Inside IR35 +£83 ph Skills: +Data Analyst +MOD experience +SC cleared - Sole British nationals only due to nature of the project Are you an experienced SC cleared Data Analyst ready to lead impactful, data-driven innovation? We're looking for a Principal Data Analyst to drive the design and delivery of advanced analytics solutions that inform strategic decisions and unlock business value. In this role, you'll be at the forefront of our data journey - leading technical initiatives, mentoring colleagues, and influencing how the organisation harnesses data. What You'll Do Lead the design and delivery of complex analytics and insight solutions across multiple projects Oversee dashboarding, reporting, and automation workflows using SQL and cutting-edge tools Define and implement best-practice data governance, security, and compliance standards Collaborate with architects, engineers, and business leaders to shape...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jan 21, 2026  
HR Business Partner
HR Business Partner (Reading, Hybrid) Certain Advantage are recruiting on behalf of our established International Technology client in Reading for an HR BP on an initial 6 month contract (inside IR35 with option of PAYE via an Umbrella or our PAYE payroll). As an HR Business Partner for the UK business your purpose will be to drive the people strategy through providing strategic advice and support across the employment lifecycle. This is a fantastic opportunity to work with an established global organisation in supporting the UK business, acting as a trusted partner on matters of compliance, development, workforce planning and employee relations. You’ll work in close partnership with Functional HRBPs, the Global HR Answers team and other HR related stakeholders such as TA, Payroll and Comp & Bens; providing detailed advice and problem resolution on complex and sensitive HR policy interpretation and procedural issues. What we need from you Experience & Qualifications...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Apr 26, 2026  
Manual Test Engineer – Network Testing (SD-WAN)
Job Title: Manual Test Engineer – Network Testing (SD-WAN) Location: Wokingham OR Warwick (Onsite) Contract Type: Contract (6 months) Rate: £415 per day (Inside IR35) Clearance: SC eligible (required) Overview We are supporting a major global technology organisation on a large-scale enterprise network transformation programme. We are seeking experienced Manual Test Engineers with strong network testing expertise to validate complex SD-WAN and enterprise network environments. This role is fully onsite, with positions available in Wokingham and Warwick. Key Responsibilities SD-WAN Testing * Validate overlay/underlay connectivity and SD-WAN policies * Test application-aware routing, traffic steering, and SLA performance * Verify routing protocols (BGP/OSPF) between SD-WAN and core networks * Execute failover/failback and resilience testing scenarios * Validate segmentation (VRFs), zoning, and security policies Enterprise Network Testing * Perform LAN/WAN...
IR35 Status:
Inside IR35

CV-Library RG41, Wokingham, Berkshire Contractor
CL
May 01, 2026  
Network Architect - NPPV3
Network Architect Specialist Location: Dorset/Cornwall - hybrid working (3 days onsite per week) Contract Type: 3 months initially Daily Rate: £600 - £690 (inside IR35 via umbrella) ACTIVE NPPV3 clearance is essential Are you a talented Network Architect looking for your next challenge? Join our client's innovative team in Dorset/Cornwall, where you'll design and deliver cutting-edge technology solutions for global customers. This role operates under a hybrid working model, requiring you to be in the office for three days a week, with two flexible work-from-home days. Why This Role Matters In this position, you'll be instrumental in shaping the secure, high-performance solutions that underpin essential national services and major enterprise networks. Your contributions will support digital transformation efforts across 180+ countries, allowing you to grow your technical skills in a collaborative and innovative environment. Key Responsibilities Lead the end-to-end technical...
IR35 Status:
Inside IR35

CV-Library Dorset, UK Contractor
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