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Contractor 56
Inside IR35 St Helens

56 jobs found in St Helens

CL
Jun 13, 2026  
Senior Civil Design Engineer
Job Title: Senior Civil Engineer Day Rate: Up to £500 per day (outside IR35) Location: Manchester, with occasional site visits (expenses paid) Type: 12-month Contract | Full-time | Hybrid (1-2 days WFH possible for the right candidate) About the Role: You'll be involved in varied and high-impact projects across the regulated water industry, including: Sewage treatment works upgrades Clean water main replacements IED schemes at sewage treatment works CSO upgrades and storm storage solutionsThis is a chance to deliver technical excellence on essential UK infrastructure. About the Client: Our client is a respected engineering design consultancy working across the UK rail and utilities sectors. With a growing workload and strong reputation, they offer a supportive and collaborative team culture. Wellbeing is central to their values - they've created a safe, fair, and positive environment where people thrive. Key Responsibilities: Deliver high-quality civil engineering design...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jun 13, 2026  
Senior Electrical Engineer
Senior Electrical Engineer - Building Services (Remote) Fully Remote £56/hr Inside IR35 12-Month Minimum Contract We're supporting a major UK infrastructure and defence programme and are looking for a Senior Electrical Engineer to join the delivery team supporting critical Building C and Southern Services packages within the 10 Dock programme. This is a long-term, fully remote opportunity focused on complex multidisciplinary M&E design within a highly regulated environment. The Role You'll support the Electrical Lead across concept, scheme, and detailed design development, contributing to the integration of major electrical infrastructure and associated building services systems. Key responsibilities will include: Supporting HV/LV distribution design and integration Coordination of electrical containment and service interfaces Input into Basis of Design documentation and designer risk assessments Supporting FMECA activities and nuclear safety case engagement including...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Jun 13, 2026  
Principal Mechanical Engineer
Principal Mechanical Engineer - HVAC & Building Physics (Remote) Fully Remote £60/hr Inside IR35 12-Month Minimum Contract We're seeking an experienced Principal Mechanical Engineer to support a major defence infrastructure programme delivering critical M&E systems across Building C and Southern Services within the 10 Dock development. This is a fully remote, long-term contract opportunity focused on HVAC design, substantiation, and multidisciplinary coordination within a highly regulated environment. The Role You'll lead mechanical design activities across concept, scheme, and detailed design stages, with particular responsibility for HVAC systems supporting substation infrastructure and occupied operational spaces. Key responsibilities include: Delivery of RIBA Stage 3 and Stage 4 mechanical design HVAC and controls design for critical environments Design and substantiation of central and local ventilation systems Chilled water system design supporting electrical...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Jun 12, 2026  
CE&I Control Systems Design Engineers
OLG Recruitment are currently looking for two CE&I Control Systems Design Engineers for our client located in Warrington. You will be required to work within the Silos CE&I design team delivering and checking Programmable Electronic System (PES), based Control System designs/updates to meet functional and business needs. The implementation, testing and commissioning of the designs/updates is undertaken by other dedicated site-based teams. This is a contract position for a minimum of 18 months, this requirement has been assessed as inside IR35. Essential: Academic Qualification: Minimum - HNC Professional Qualification: Minimum - Incorporated Engineer Experience: Minimum 3 years successfully delivering as a PES based Control System Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards Effective verbal and written communication skills with the ability to convey...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jun 11, 2026  
Senior Process Engineer
A leading provider of nuclear solutions in the UK, specialising in clean energy, defense, and civil decommissioning, is looking for a Senior Process Engineer to join their talented team of Engineers The package: Senior Process Engineer Warrington - Hybrid Inside IR35 rate £60-70 per hour The role: Able to work on a range of engineering problems involving high levels of complexity & uncertainty. Provides help and direction to less experienced team members to support both their effective working, and their development. The role must be fully aware of and adhere to Health & Safety standards and be fully familiar with all authorised documentation, Good Practice Guides and ISO standards. Promote effective co-operation across Engineering and other functional teams Assist in effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
May 30, 2026  
Projects E&I Design Engineer
OLG Recruitment are currently looking for a Projects E&I Design Engineer for our client located in Warrington. This is a contract position for a minimum of 10 months. This role has been assessed as inside IR35, PAYE only. You will be required on site 3 days per week and 2 days from home. Aim: To work within the Projects E&I design team delivering, supporting others delivering and checking design packages to meet safety, functional and business needs. Essential: * Academic Qualification: HNC * Professional Qualification: Incorporated Engineer * Security Clearance: SC * Hours: 37 hours over 4½ days a week * Location: Working 3 days a week minimum at Hinton House, Warrington, Cheshire Experience: * Minimum 3 years successfully delivering as an Electrical Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards governing the following works: *...
IR35 Status:
Inside IR35

CV-Library WA3, Risley, Warrington Contractor
CL
Jun 17, 2026  
Design Manager
Freelance Design Manager (Enabling Works & Surveys) Rate: Competitive Day Rate - Inside of IR35 Duration: Long-term Location: Hybrid (3 days WFH / 2 days Liverpool office & site) Looking for a solid, long-term freelance contract on a massive civils scheme where you actually have a say in how things are run? This is it. My client is gearing up for the critical Enabling Works phase of a landmark infrastructure project in the North. We need a heavy-hitting freelance Design Manager to grab the reins and get the site ready for the main construction phase. You'll be working directly as the right-hand to the project's Technical Lead, meaning you're right in the thick of the decision-making, not just pushing paper in a corner. Roles & Responsibilities: This is a fast-paced, hands-on role where you'll own the foundational stage of the project. Your main focus areas will be: Enabling Works Design: Managing the design for all the critical prep work-think utility...
IR35 Status:
Inside IR35

CV-Library Liverpool, Merseyside Contractor
CL
Jun 13, 2026  
Payroll and Pensions Lead
Payroll & Pensions Lead 6 Month Contract Liverpool (twice per week in the office) Inside IR35 I'm currently supporting a public sector organisation undergoing significant transformation and investment across areas including transport, infrastructure, skills, and economic development. I'm looking for an Interim Payroll and Pensions Lead for an initial 6-month engagement to take ownership of payroll and pensions operations for a workforce of circa 1,300 employees. The role will focus on ensuring the smooth and compliant delivery of payroll services, maintaining strong governance and data integrity standards, and supporting the ongoing optimisation and enhancement of iTrent and the managed payroll service arrangement. You'll work closely with Finance, People Operations, and external providers to drive service improvements, manage stakeholder relationships, and ensure all statutory reporting obligations are met. I'm keen to speak with candidates who have... Strong hands-on...
IR35 Status:
Inside IR35

CV-Library Liverpool, Merseyside Contractor
CL
Jun 12, 2026  
Manufacturing Facilities Lead Engineer
Title: GME T&F Manufacturing Lead Engineer Reference: (phone number removed) / (phone number removed) Umbrella Rate: £29.83/hr (Inside IR35) Step into a role where innovation meets opportunity. This is your chance to join a dynamic and forward-thinking organisation as a Manufacturing Lead Engineer. This position offers a unique platform to contribute to cutting-edge facilities development, shaping the future of manufacturing processes. With a focus on delivering excellence, this company is committed to empowering its team members with meaningful projects, career growth, and the chance to make a tangible impact in the industry. What You Will Do: • Lead the planning and execution of facility installations for new model introductions, ensuring timely delivery and adherence to manufacturing strategies. • Develop detailed facility timing plans and layout designs to accommodate new and modified facilities. • Prepare technical specifications and manage supplier selection,...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 11, 2026  
Structural Engineer Building Services
Are you a Structural Engineer looking for a long-term contract with exposure to a wide range of building projects? Do you want to work with a nationally recognised consultancy while developing your technical expertise across multiple sectors? We are looking for a Structural Engineer to join a highly regarded national contractor/consultancy on a 12+ month contract. Based in Liverpool, with flexible remote working, this role offers the opportunity to work across an exciting and varied project portfolio including education, retail, commercial and conservation schemes. What's On Offer ·£50 per hour (Inside IR35) ·12+ month contract with strong extension potential ·Liverpool-based role with flexible and remote working options ·Opportunity to work with a leading national consultancy on a wide range of projects ·Exposure to varied sectors to enhance your experience and career progression   The Opportunity This is a great chance to broaden your experience by contributing to...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 11, 2026  
Lead Mechanical Engineer Building Services
The Role We're looking for a Senior Mechanical Engineer to lead the design and delivery of mechanical building services on large, complex construction projects. You'll take ownership from concept through to construction, ensuring designs are practical, compliant, and cost-effective. Location: Liverpool (1x a week in the office) Rate: Up to £55 per hour (Inside IR35) Key Responsibilities ·Lead mechanical design for major construction projects ·Produce high-quality designs, specifications, and technical solutions ·Work closely with clients, architects, and project teams ·Coordinate designs across disciplines (M&E, BIM, etc.) ·Ensure compliance with regulations, standards, and quality procedures ·Support cost planning, estimates, and pre-construction activities ·Drive innovation and sustainable design solutions ·Provide technical guidance and mentor junior engineers Requirements ·Degree in Mechanical or Building Services Engineering ·CIBSE / IMechE member (or...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 11, 2026  
Senior Mechanical Engineer Building Services
Are you a senior Mechanical Engineer in Building Service Design and looking to work on some exciting projects? Do you want a contract role with variety? You could work for a leading Building Services contractor, with a national presence with the following details; Location: Liverpool (1x a week in the office) Rate: Up to £50 per hour (Inside IR35) Duration: 12 months + Key Responsibilities · Deliver mechanical design for major construction projects · Produce high-quality designs, specifications, and technical solutions · Work closely with clients, architects, and multidisciplinary teams · Coordinate designs across disciplines (M&E, BIM, etc.) · Ensure compliance with regulations, standards, and quality procedures · Support cost planning, estimates, and pre-construction activities · Contribute to innovative and sustainable design solutions · Support and mentor junior engineers where required Requirements · Degree in Mechanical or Building Services Engineering ·...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 10, 2026  
CAD/CAM Engineer - Discrete Event Simulation
CAD/CAM Engineer - Discrete Event Simulation - (phone number removed) - £35.53/hr umbrella rate Do you have strong working knowledge of Discrete Event Simulation tools such as Lanner Witness or Siemens Technomatix Plant Simulation? Do you have proven experience in production process flow simulation and problem-solving on complex technical systems? Are you ready to take your career to the next level as a CAD/CAM Engineer - Discrete Event Simulation? This is your chance to work on innovative projects that shape the future of vehicle engineering. With an inspiring work environment and the opportunity to develop cutting-edge skills, this role offers a platform for professional growth and the chance to make a real impact in the automotive industry. If you're passionate about process optimisation and thrive in dynamic settings, this opportunity is tailor-made for you.  What You Will Do:  - Lead the development of Discrete Event Simulation (DES) models, from concept to detailed mimic...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 04, 2026  
Quality Engineer
An exciting opportunity has arisen to recruit a Quality Engineer whereby you will play a key part in supporting, controlling, and inspecting technical processes to ensure a high standard of quality throughout the organisation. As a Quality Engineer, your responsibilities will include: • Quality Control Plans (QCPs): Establish, apply, and maintain comprehensive quality control plans, ensuring they are implemented efficiently and accurately. • Data Analysis: Analyse medium to complex system data to inform decisions and drive precise execution throughout the organisation. • Project Involvement: Participate in the design and implementation phases of projects, ensuring that quality is embedded at every stage. • Regulatory Compliance: Stay informed of the latest regulatory requirements and coach internal teams on their application and proper usage. • Audits and Assessments: Conduct and support internal and external audits, evaluations, and assessments to ensure compliance with ISO, ASTM,...
IR35 Status:
Inside IR35

CV-Library Liverpool, Merseyside Contractor
CL
Jun 17, 2026  
Electrical Inspector
Our client has an opportunity for an Electrical Inspector to join them on a 12 month contract. Role: Electrical Inspector Location: Bolton - fully onsite Clearance: BPSS required to start Hourly Rate: £28.35 per hour via Umbrella, inside IR35 What you'll be doing: Responsible for all elements necessary to achieve and maintain the quality of deliverable hardware. Certification of product in line with processes and procedures. Examining for correct assembly including verifying all forms of electrical connections. Examining the finish of all parts to detect faulty finishing or painting, deterioration of surfaces etc. Inspect for physical damage. Intermediate inspection checks for non-Product Certification activities. Monitoring of operators within the Product Certification Scheme. Check, complete and certify all paperwork associated with the manufacturing data pack. Control of non-conforming items. Raise and maintain relevant data records/non-conformance reports. Produce...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jun 17, 2026  
Test Equipment Design Support Engineer
On behalf of our client, we are looking for a Test Equipment Design Support Engineer to join them on an initial 6-month basis. As Test Equipment Design Support Engineer, you will act as the interface between our design teams and our manufacturing teams while working alongside other support engineers to provide knowledge and support Role: Test Equipment Design Support Engineer Pay: £65 per hour via Umbrella Location: Bolton Contract: 6 months (possible extension) IR35 Status: Inside Security Clearance: BPSS however requires Security Clearance Skillset/experience required: Degree qualified (or equivalent industry experience) with experience of designing product/systems and/or providing support to designs through the manufacturing phase of the product lifecycle. Proven experience in the design of one or more of the following disciplines: - Digital and Analogue electronics Power Electronics RF & Antenna Interconnects Safety Electronics Test Systems Schematic design PCB...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 13, 2026  
Technical Administrator
Technical Administrator 12 month contract Based in Bolton Offering up to £24.19ph Inside IR35 Do you have an understanding of asset management principles and systems? Do you have experience carrying out costing activities? 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 Technical Administrator, 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 technical administration support to the Environmental Stress Screening (ESS) and Mechanical Team Updating and controlling company equipment records, including archiving and transfer activities Carrying out costing activities alongside ESS engineers Supporting the ESS & Mechanical team by...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jun 13, 2026  
Electrical Test Operator
Electrical Test Operator 12 month contract Based in Bolton Offering £28.35ph Inside IR35 Do you hold a completed apprenticeship to NVQ level 3? Do you have experience in Electrical testing? 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 Electrical Test Operator, 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: Carrying out test tasks within the operational business Certify the product in line with Product Certification procedures Maintain product certification and approval via regular audits Carry out setting-up procedures for testing Carry out tests on electronic equipment in accordance with test instructions Carry out simple fault-finding...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jun 13, 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
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