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Inside IR35 Contractor building services engineer

16 building services engineer jobs found

CL
Apr 09, 2026  
EC&I Senior Project Engineer
Job title: EC&I Senior Project Engineer Job Type: Contract IR35 Status: Inside IR35 Start date: ASAP Duration: 12 Month Pay rate: Depends on experience Location: Malton Hybrid/Remote Working: Onsite Hours of work: 37 hours Role information: A senior-level engineer responsible for delivering safe, compliant, and effective engineering solutions for complex industrial projects. The role involves leading the engineering aspects of projects from concept through to commissioning and handover, ensuring all work meets technical standards, safety regulations, and stakeholder requirements. * Define project requirements and develop engineering solutions * Produce and approve technical specifications and design * Manage and oversee detailed design and contractor work * Ensure compliance with safety, regulatory, and quality standards * Support project planning, execution, and risk management * Supervise construction, commissioning, and final handover * Maintain configuration control...
IR35 Status:
Inside IR35

CV-Library Malton, North Yorkshire Contractor
CL
Apr 09, 2026  
Infrastructure Deployment Engineer
Infrastructure Engineer - Deployed Hosting Services Location: Portsmouth (Onsite; Some Hybrid Possible)** Contract: 12 Months, Inside IR35 Clearance: SC required to start; DV required while in role** Carbon60 Project Services are recruiting an Infrastructure Engineer to support the build, deployment and configuration of secure hosting environments. This is a hands‑on technical role focused on delivering new infrastructure platforms and supporting deployed systems across compute, storage, virtualisation and Windows services. You'll work as part of an engineering team responsible for standing up environments, integrating services, conducting validation and ensuring systems are fully documented and ready for operational use. Key Responsibilities Build, configure and deploy infrastructure platforms including compute, storage and virtualisation components. Install, configure and maintain Windows Server 2019/2022, Active Directory, DNS, DHCP and Group Policy. Deploy and support...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Apr 05, 2026  
Senior Software Engineer (DevSecOps)
Senior Software Engineer (DevSecOps) Contract | Inside IR35 | Up to £580/day | Full-time | North Yorkshire (1 day per week on-site, increasing from September) You will join a global IT consultancy delivering digital transformation to a well-established financial services organisation . You will be an experienced Senior Software Engineer with a strong DevSecOps background to join an engineering enablement function on an initial contract running to the end of December 2026. This is a hands-on role at the centre of modernising how software is built, delivered, and operated. You will work within a squad environment, driving adoption of Golden Path patterns, progressive delivery practices, and secure-by-design principles - with a clear focus on measurable outcomes. The role You will take ownership of the full delivery lifecycle: from pipeline design and environment architecture through to release-linked observability and incident readiness. Day to day, you can expect to be shipping...
IR35 Status:
Inside IR35

CV-Library Skipton, North Yorkshire Contractor
CL
Apr 05, 2026  
Senior Software Engineer in Test
Job Title: Senior Software Engineer in Test Type: Inside IR35 Contract Rate: £600-£650 per day Duration: 6 months minimum (likely to extend) Location: London - 3 days on site (Canary Wharf)  A large fintech business are looking for a senior-level quality engineer with a strong software engineering mindset to help shape and safeguard new platform capabilities across complex workflow-driven systems on a contract-basis. This role sits embedded within product engineering, operating in a shared ownership model alongside Java and React developers, with a heavy emphasis on automation. What you’ll be doing Building and maintaining automated coverage across the stack, from APIs through to user journeys, using established internal tooling and frameworks. Evolving existing test frameworks where required, while staying aligned with core engineering standards. Working closely with frontend and backend engineers to ensure critical paths are well understood, well tested, and production-ready....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Senior Safety Engineer
We are supporting leading specialist in nuclear services and engineering delivery, as they seek a Senior Safety Engineer to support projects within their nuclear safety team. This is a contract role for an initial 6–12-month term and they are ideally seeking individuals with experience contributing to nuclear safety case documentation within highly regulated environments. The role is supporting nuclear programmes associated with legacy fuel cycle and decommissioning work linked to the Sellafield site. Rate:                    £63 – £76/hour (Umbrella – inside IR35) Location:            Warrington or Bristol- 3 days onsite / 2 days WFH Duration:            6-12 months initially Requirements: sole UK national living and working in the UK for the past 5 years    Key  Responsibilities As part of a team, providing the nuclear safety input to design projects, ensuring that nuclear safety requirements are considered Managing delivery for the work allocated Producing...
IR35 Status:
Inside IR35

CV-Library Warrington, UK 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 09, 2026  
Java Developer, Contract, Inside IR35
Java Developer Contract: 12 months Rate: £600 per day (Inside IR35) Location: UK (Remote some days in London, Manchester or Leeds (adhoc) This role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical healthcare systems, improving access to services, and enabling seamless integration across national and local platforms. The work involves building scalable, secure, and interoperable digital services that support high-volume user interactions and integrate with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with product, architecture, and engineering teams to deliver robust, scalable solutions that meet both user and system requirements. Key Responsibilities * Design, develop, and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 09, 2026  
Business Operations Strategy and Planning Senior Specialist
Our OEM Client based in Gaydon, is searching for a Business Operations Strategy and Planning Senior Specialist to join their team, Inside IR35. This is a maternity cover contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £27.03 per hour. The Opportunity: This role sits within the Central Business Office and is part of the Business Excellence Function in the delivery of Engineering Operations Operational Budget requirements within the business. The role under the Engineering Operations Factory Management team and will support the delivery of the Engineering Operations Operational Budget and manage operational processes with Engineering Operations Factory office. This role will provide an excellent customer experience to internal and/or external customers and interface with most areas of the business up to and including director level. Your expertise will see you as part of a team that is responsible for the delivery of Engineering Operations...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Apr 08, 2026  
Event Management Consultant
Role Title: Event Management Consultant Location: Hybrid - 2-3 days per week onsite in Corsham Duration: 6 months Rate £300 per day inside ir35 Active SC clearance required Description We are currently seeking an experienced Event Management Consultant to join a dynamic Hosting and Tooling Team supporting enterprise-level operational tooling and monitoring environments. This role will involve a combination of BAU and project delivery, working alongside Engineers, Analysts, and Consultants to deliver high-quality tooling solutions for secure client environments. Role Responsibilities As an Event Management Consultant, you will: Work directly with client teams, providing technical guidance and operational support. Design and implement event management policies for internal services and client distribution solutions. Provide high-level functional system analysis to support client requirements. Maintain and support operational tooling platforms in line with service...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
CL
Apr 08, 2026  
Data Engineer
Adword Job title: Data engineering specialist Locations: London One Braham or Birmingham Snowhill or Bristol Assembly (hybrid-3 days onsite) Start Date: Ideally 1st April so must be available immediately Duration: 06 months IR35: Inside Job description: Looking for immediate joiners, Ideally by 1st April Role Overview We are seeking an experienced Analytics Engineer to design and build scalable analytical data models that support business intelligence, reporting and commercial analytics. The role sits within a multidisciplinary data team responsible for delivering trusted analytical data products used across commercial and marketing teams. The ideal candidate will combine strong analytical thinking with advanced SQL engineering capability, and will have experience designing analytics-ready datasets used by BI tools or semantic layers. This is not a pipeline engineering role; we are looking for someone experienced in building analytical data models that define consistent...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 08, 2026  
Analytics Engineer
Role: Analytics Engineer Location: London / Birmingham / Bristol - Any location (Hybrid 3 days onsite, 2 days remote) Duration: 6 Months Day rate: £450 - £600 Inside IR35 Role Overview We are seeking an experienced Analytics Engineer to design and build scalable analytical data models that support business intelligence, reporting and commercial analytics. The role sits within a multidisciplinary data team responsible for delivering trusted analytical data products used across commercial and marketing teams. The ideal candidate will combine strong analytical thinking with advanced SQL engineering capability, and will have experience designing analytics-ready datasets used by BI tools or semantic layers. This is not a pipeline engineering role; we are looking for someone experienced in building analytical data models that define consistent business metrics and enable self-service analytics. Key Responsibilities Analytical Data Modelling * Design and implement scalable...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 08, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Location: Filton Contract Length: 12 Months (Likely Extension) Hours: 35 per week (4 days between 7am-7pm) Clearance: BPSS+ (completed by the Client's Security Team) Rate: £50ph Umbrella / £37.38ph PAYE IR35: Inside (Off‑Payroll Working Rules Apply) About the Role Our Client is seeking an experienced Fluid Mechanical Design Engineer to join their Test Centre team and act as the technical lead on an exciting R&T project focused on exploring auto‑ignition temperatures for Sustainable Aviation Fuel (SAF). You will join at the conceptual architecture definition stage and lead the project through detailed design, build, and commissioning - delivering a complete end‑to‑end test rig development project. This role sits within a multi‑disciplinary engineering environment, working alongside Test Means Architecture & Integration teams to deliver a safe, high‑quality technical solution. Key Responsibilities Lead the team through detailed design...
IR35 Status:
Inside IR35

CV-Library Filton, Gloucestershire Contractor
CL
Apr 08, 2026  
Senior Digital Product Manager
Senior Digital Product Manager Contract: Inside IR35 Start: ASAP Location: London - onsite 1 day per week Role Overview We are looking for a Senior Digital Product Manager to lead key customer-facing digital journeys across web and mobile. You will shape product direction, prioritise delivery, and work closely with design, engineering, data, and business stakeholders to deliver measurable improvements for customers and the business. This is a hands-on role for someone comfortable working in complex environments, making confident decisions, and driving delivery in a fast-paced digital organisation. Key Responsibilities Own the product strategy, roadmap, and backlog for a defined digital product area Identify customer and business problems and translate them into clear product opportunities Work cross-functionally with engineering, design, CX, and data teams to deliver outcomes Prioritise work based on value, effort, risk, and feasibility Use insight and data to improve...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 08, 2026  
Work Service Engineer
Join a world-renowned aerospace and defence organisation as a Work Service Engineer in Samlesbury (or Warton) 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 Work Service Engineer to add to their talented, hardworking team in Samlesbury on an initial 12 month contract. Striving for innovation and creativity you can ensure no two days will be the same. This role will be offering £40.90 Umbrella per hour inside IR35 The role * The successful candidate will be required to perform tasks suitable to the internal level of this role. The role will contain, but will not be limited to, the following: * Liaising with both internal and external customer, engineering professionals, subject matter experts and professional consultancy support teams. *...
IR35 Status:
Inside IR35

CV-Library Blackburn, Lancashire Contractor
CL
Apr 08, 2026  
Azure DevOps Engineer (SC Cleared)
Azure DevOps Engineer (SC Cleared) London (Hybrid) 6 Month Contract £(Apply online only)/day (Inside IR35) DevOps Platform Engineer needed with active SC Security Clearance and strong Azure Cloud expertise including Databricks + Data Factory. 6 Month Rolling Contract based in London. Start ASAP in March/April 2026. Hybrid Working - 2 days/week remote (WFH) + 3 days/week working from the office in London. A chance to work with a leading global IT transformation business specialising in large-scale Government projects: Azure Databricks Economic Data Platform is critical for Monetary Analysis, Forecasting + Modelling, used by data scientists, developers + economists. In-depth Azure Cloud platform engineering including: Azure Databricks, Data Factory, WebApp Service, API Management + APIOps. Building / maintaining core infrastructure + tooling, Infrastructure-as-Code (IaC), DevOps practices, containerisation + orchestration. Creating a self-service, scalable, and reliable...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Network Engineer
6‑month Senior Network Engineer contract in Didcot, £480 per day, supporting a large, complex network estate for a major UK scientific organisation. £480 + VAT per day 6‑month Contract (Inside IR35) - Umbrella only Didcot, Oxfordshire, UK - Hybrid (3 days onsite, non‑negotiable) Your new company We're partnered with a nationally important research organisation whose work powers major scientific breakthroughs and supports a wide range of innovative programmes across the UK. Their network infrastructure is essential to enabling collaboration, high‑performance computing, data exchange and secure connectivity across multiple sites. With continued investment in their digital estate, they are now looking for a Senior Network Engineer to help maintain, secure and evolve the organisation's core network services. This is a role where your engineering expertise will directly contribute to research and infrastructure used on a national and international scale. Your new role You will be...
IR35 Status:
Inside IR35

CV-Library Oxford, Oxfordshire Contractor
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