Principal Engineer - Mechanical Engineer (Platform Systems) £67.47 per hour Umbrella - inside IR35 12 month contract 2 days every 2 weeks onsite Spec: As a Lead Mechanical Engineer, you will play a pivotal role in the design and development of submarine hydraulic and actuation systems. This includes system-level design, technical leadership and the opportunity to steer design architecture across a major submarine programme. Core Duties Typical duties include (but are not limited to): Provide technical leadership, owning design solutions and providing guidance to others. Lead the technical assurance of the hydraulic systems, sub-systems and equipment for the next generation Royal Navy submarines. Verify calculations are complete, checked by the appropriate SQEP and validate calculation meet technical intent. Supporting the team in tackling technical challenges, providing support and advice to ensure adequate technical solutions. Co-ordinate...

We are working with a leader in mechanical, electrical and public health engineering solutions, delivering innovative designs and advanced technologies across various industries. Our focus is on MEP design in the construction industry for predominantly residential and commercial projects. We specialist in RIBA Stage 4 & 5 Construction projects, with a commitment to engineering excellence. Role Description This is a full-time working from home role for a Principal or Senior Electrical Engineer based in a location with the ability to get to Greater London to site are required when necessary. The Principal Electrical Engineer will lead engineering projects, design and analyze electrical systems using advanced software tools, and oversee a team of revit engineers. Responsibilities also include managing project timelines and collaborating across project design teams to ensure the successful completion of project objectives. Qualifications Strong expertise in...

Our client is seeking a Principal Engineer specialising in Traffic and Road Safety to support a contract role within a highways and transport environment. The role will provide professional leadership across traffic engineering, road safety, parking, walking, cycling and highway improvement programmes, helping to deliver safer, more accessible and sustainable transport schemes. Key Responsibilities: Lead the development and delivery of traffic management, road safety, casualty reduction, traffic calming, parking, walking, cycling and highway improvement schemes. Analyse collision, speed, traffic flow and other technical data to identify issues and develop suitable engineering interventions. Manage projects from feasibility and design through consultation, statutory processes, construction and post-implementation review. Prepare and review engineering designs, drawings, specifications, cost estimates, business cases and technical reports. Manage Traffic Management Orders...

Temporary Works Design Engineer My industry leading tier 1 civil engineering contractor is seeking an experienced Temporary Works Design Engineer to join their design team on a major multi-disciplinary infrastructure project. In this dedicated role, you will be responsible for producing, checking, and managing structural calculations and drawings for temporary engineering solutions across live operational environments. You will work directly alongside site delivery teams, Temporary Works Coordinators (TWCs), and principal designers to ensure all temporary structures are safe, constructible, and fully compliant with industry standards. Candidate Responsibilities: Produce detailed structural calculations, design concepts, and engineering drawings for a wide range of temporary works including crane working platforms, piling mats, excavation support/shoring, formwork, falsework, scaffolding, propping, and temporary access bridges. Execute Category 1, 2, and 3 design checks...

Site Engineer (Water Infrastructure / ECI Phase) Location: Waterlooville, Hampshire Contract Rate: 350 - 400 per day (LTD - IR35 Determination Pending) Duration: Long-Term Contract (AMP8 Framework) Start Date: Immediate / ASAP Project Overview We are seeking an experienced Site Engineer to join a principal delivery contractor on an Early Contractor Involvement (ECI) and initial site preparation phase for a key Water Treatment Works (WTW) scheme in Waterlooville. This long-term contract offers excellent project continuity as it transitions from early site investigation, utility tracing, and constructability planning through to full civil engineering delivery under AMP8. You will lead front-line engineering setting out, survey verification, and technical oversight across ground investigations, service mark-outs, and early works civil infrastructure. Key Responsibilities Setting Out & Surveying: Execute precise setting out and topographic verification...

Sub Agent (Civils & Water Infrastructure) Location: Chichester, West Sussex Contract Rate: 400 - 450 per day (LTD / IR35 Determination Pending) Duration: Long-Term Contract (AMP8 Framework) Start Date: Immediate / ASAP Project Overview We are seeking an experienced Sub Agent to join a principal contractor delivering a major capital upgrade across an active Water Treatment Works (WTW) facility in Chichester. This long-term assignment forms part of the AMP8 infrastructure framework. Working alongside the Site Agent and Project Manager, you will take hands-on operational management of core civil engineering packages-including deep excavations, reinforced concrete (RC) structures, pipeline diversions, and temporary works-ensuring works are executed safely, to specification, and strictly against project milestones. Key Responsibilities Site Operational Management: Oversee daily civil engineering delivery on site, directing site engineers, general foremen,...

Principal Engineer - Temporary Works Location: Hybrid (3 days office / 2 days home) Contract: 12 Months Determination: Outside IR35 Rate: 400 - 450 per day (DOE) We're looking for a Chartered Principal Temporary Works Engineer to join a growing Energy team, leading the design and delivery of complex temporary works across gas and energy infrastructure projects. This is a key technical leadership role where you'll provide engineering assurance, mentor a developing team and help expand our in-house capability, reducing reliance on external consultants for high-value temporary works projects. Key Responsibilities Lead the design and technical review of temporary works solutions. Provide engineering governance and ensure compliance with BS 5975, Eurocodes and relevant British Standards. Act as the senior technical authority for complex temporary works projects. Support and mentor junior engineers, developing the team's capability. Work closely with clients,...

Job Title: Senior Data Platform Engineer - Compliance Assurance Contract: 12 Months Location: Chester -3 days per week onsite Rate: Highly Competitive Status: Inside IR35 Working pattern: Fulltime About the role We are looking for a hands-on Senior Data Platform Engineer to design, build and maintain scalable data platforms that support Compliance Assurance within a regulated enterprise environment. You will take ownership of the end-to-end data engineering lifecycle, from integrating source systems and ingesting data through to streaming, processing, storage and automated compliance controls. You will develop reliable, production-grade solutions that identify missing records, data mismatches, configuration issues and other exceptions, ensuring data quality, traceability and auditability. This is a developer-led engineering role, ideal for someone who combines strong data engineering skills with software development expertise and a focus on production...

Principal Verification & Validation (V&V) Structural Engineer Initial 12-month (Inside IR35) Flexible hybrid working model, with infrequent attendance required at the Nottinghamshire office Overview We are seeking a Principal Verification & Validation (V&V) Structural Engineer to provide structural engineering expertise across a major engineering programme. This role will support verification planning, assurance activities, and multidisciplinary integration within a complex and technically challenging environment. Key Responsibilities Provide structural engineering expertise for verification planning activities. Develop and maintain verification plans for structural engineering scope across multiple workstreams. Lead and own verification activities within designated areas of responsibility. Work closely with engineers and subject matter experts from other disciplines to develop integrated verification strategies. Support V&V methodologies,...

Job Title: Site Manager - Civil Engineering & Historic Restoration Location: East Sussex / South East England Employment Type: Full-time, Permanent Salary: Competitive (dependent on experience) Role Overview We are seeking an experienced Site Manager to join a leading principal civil engineering contractor delivering a high-profile, multi-million-pound coastal restoration project along the South Coast. This role requires a proven operational leader to drive day-to-day site operations across a complex scheme involving structural steel and cast-iron restoration, concrete repairs, marine/coastal civil works, and public realm reconfigurations on a sensitive, Grade II -listed heritage asset. You will oversee site safety, subcontractor management, programme delivery, and quality assurance while maintaining clear communication with key stakeholders. Key Responsibilities Manage daily site operations to ensure the project is delivered safely, on schedule, and within...

Job Title: Sub Agent - Civil Engineering Location: East Sussex / South East England Employment Type: Full-time, Permanent Salary: Competitive (dependent on experience) + Package Role Overview We are seeking an ambitious Sub Agent to join a leading principal civil engineering contractor delivering a high-profile, multi-million-pound coastal restoration project along the South Coast. Reporting directly to the Project Manager, this role is key to bridging technical engineering oversight with daily operational site delivery. You will manage daily progress, subcontractor performance, short-term scheduling, quality compliance, and temporary works across a complex scheme encompassing structural steel/cast-iron refurbishment, concrete repairs, marine/coastal civil engineering, and public realm works on a sensitive, Grade II -listed heritage asset. Key Responsibilities Support the Site/Project Manager in managing day-to-day site operations and driving progress according...

PTS Site Engineer Location: West London Type: Contract ( Inside IR35 ) Project: Long-Term Rail Infrastructure Project Shift Pattern: Day Shifts, Night Shifts, and Weekend Possession Work (as required) The Role Are you an experienced Site Engineer with a valid PTS card looking for a long-term contract in West London ? We are seeking a high-caliber PTS Site Engineer to join a major rail infrastructure project delivered by a Tier 1 Principal Contractor . In this role, you will lead on-site civil engineering activities, manage quality compliance, and drive rigorous standards across network assets. Note: This position has been determined as Inside IR35 . Key Responsibilities Site Supervision & Principal Contractor Liaison: Oversee day-to-day civil engineering activities on site, ensuring full compliance with design specifications, Network Rail standards, and Principal Contractor safety frameworks. Quality & Assurance Compliance: Lead the...