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Construction Outside IR35 senior infrastructure engineer

4 senior infrastructure engineer jobs found

CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Senior Authorised Person
Job Title: Senior Authorised Person (SAP) – 275kV Location: East Ayrshire, Scotland Duration: 11 May 2026 – 29 May 2026 (with potential extension) Rate: Competitive Day Rate (Outside IR35) Overview: We are supporting a well-established engineering organisation delivering high-voltage infrastructure works within the UK energy sector. They are currently engaged on a grid connection project for a Battery Energy Storage System (BESS) and require an experienced Senior Authorised Person (SAP) to support commissioning and energisation activities. Role Overview: This is a hands-on role requiring a competent SAP authorised up to 275kV to undertake switching operations, issue safety documentation, and support commissioning works on live high-voltage equipment. The successful candidate will play a key role in ensuring safe systems of work and supporting energisation in line with industry standards. Key Responsibilities: * Carry out high-voltage switching operations up to 275kV *...
IR35 Status:
Outside IR35

CV-Library KA6, Drongan, East Ayrshire Contractor
CL
May 02, 2026  
Site Engineer
Location: Mannington, Dorset Rate: £400 per day Contract Type: Full-time, site-based contingency worker IR35 Status: Outside IR35 Duration: 6-month rolling contract (12-month programme) Hours: Monday to Friday, 10-hour days, occasional travel to client offices MRR Infrastructure is proud to be supporting the delivery of a significant 400kV substation scheme for a leading global engineering and construction consultancy, recognised for its technical excellence and long-standing success within the power transmission and distribution sector. This opportunity offers the chance to contribute to a high-profile National Grid project, working alongside a multidisciplinary team to maintain the highest levels of safety, quality, and technical performance throughout delivery. We are seeking a proactive Site Engineer with a strong background in substation infrastructure projects to provide on-site technical support, oversee setting out, verify works against design, and ensure compliance with...
IR35 Status:
Outside IR35

CV-Library Mannington, Dorset Contractor
CL
Apr 25, 2026  
MEICA Engineer
Job Title: MEICA Engineer Location: North West England Rate: £400 per day (Outside IR35 subject to assessment) Contract Type: Ongoing / Long-Term Contract The Opportunity We are currently seeking an experienced MEICA Engineer to support a portfolio of water treatment works upgrade projects across the North West. This is an excellent opportunity to join a leading regional contractor delivering key infrastructure improvements within the water sector. With a strong pipeline of secured work, this role offers long-term continuity and the chance to work on technically challenging and meaningful projects. Key Responsibilities * Oversee and coordinate MEICA (Mechanical, Electrical, Instrumentation, Control & Automation) installation and commissioning activities * Ensure all works are delivered in line with design specifications, industry standards, and health & safety requirements * Liaise with design teams, subcontractors, and site management to ensure smooth project...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
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