Mechanical Engineer
Costain Group PLCLondon, England, United Kingdom
Added 5 Aug · still live
Not disclosed
Salary
Not disclosed by employer
£41,700
Going rate
Skilled Worker going rate
This role may qualify for a Skilled Worker visa
SOC 5223 is an eligible occupation, but we classified this role with low confidence (54% match). If the code is right — and Costain Group PLC is a licensed sponsor — it should qualify, but double-check the occupation eligibility rules against the actual role.
About the role
Job Description
The role will work on the HS2 project. HS2 is the UK’s new high speed rail network. It will be a catalyst for economic growth across Britain, freeing up space on the existing railways and connecting 8 out of the UK’s 10 biggest cities with fast, reliable and frequent high-speed services.
Costain+ are delivering the HS2 Rail Systems Tunnel and Lineside Mechanical and Electrical Systems works for HS2, across the whole of the HS2 Route (HRS02). The scope includes the design, supply, manufacture, installation, testing, commissioning and maintenance (until handover) of the tunnel and lineside M&E systems which includes the tunnel services within the shafts, tunnels and cross-passages, and the low voltage electrical power distribution in the open route. Costain+ will further design, supply, install, test and commission the tunnel ventilation systems.
Responsibilities
The role will work on the HS2 project. HS2 is the UK’s new high speed rail network. It will be a catalyst for economic growth across Britain, freeing up space on the existing railways and connecting 8 out of the UK’s 10 biggest cities with fast, reliable and frequent high-speed services.
Costain+ are delivering the HS2 Rail Systems Tunnel and Lineside Mechanical and Electrical Systems works for HS2, across the whole of the HS2 Route (HRS02). The scope includes the design, supply, manufacture, installation, testing, commissioning and maintenance (until handover) of the tunnel and lineside M&E systems which includes the tunnel services within the shafts, tunnels and cross-passages, and the low voltage electrical power distribution in the open route. Costain+ will further design, supply, install, test and commission the tunnel ventilation systems.
Responsibilities
- Support the design, review, and implementation of Mechanical systems for HRS02 HS2 lineside works
- Interface and coordinate with other HS2 Rail Systems contractors, including track, signalling, telecoms, OHLE, and HV power
- Review technical documentation, drawings, and specifications
- Chair discipline specific meetings with HS2 and Costain+ partners
- Undertake material selection and prepare associated technical approval and acceptance documentation
- Appreciation of programme of works and ability to feedback into relevant reporting mechanisms
- Ensure compliance with relevant standards, including UK rail industry standards and HS2 Works Information
- Identify, assess, and manage technical risks, supporting effective problem resolution
- Production of quality documentation, such as ITPs and installation verification check sheets
- Support assurance, quality, and safety processes throughout the project lifecycle
- Interface with installation and construction teams to ensure designs are practical, buildable, and aligned with site requirements
- Work closely with the immediate Engineering team and Costain+ partners to coordinate requirements and programme delivery
- Liaise with the procurement team to ensure appropriate Mechanical equipment is specified and sourced
- Maintain close coordination with Design, Safety, Commercial and Planning teams
- Promote and support the implementation of Costain values and behaviours across the project
Knowledge, Skills, and Experience
- Previous experience working on rail infrastructure projects in the UK
- Experience in Mechanical engineering within large-scale infrastructure or rail systems
- Strong understanding of Mechanical design principles and relevant UK rail industry standards (e.g. Network Rail standards, BS 9990, etc.)
- Good understanding of Tunnel Fire Main/ Tunnel Ventilation / Cross Passage Door design and installation in a rail environment
- Experience working within a main contractor or major project environment
- Sound knowledge of Mechanical installation practices and associated equipment
- Experience working on major UK rail projects (e.g. HS2, Network Rail)
- Knowledge and experience of Acoustics, Fire Stopping, M&E systems, or rail systems integration
- Familiarity with design and installation of metalwork structures
- Chartered or working towards professional accreditation (e.g. IEng/CEng)
- HNC, HND, or Degree in Mechanical Engineering (or a related discipline)
- CSCS Card
- High standard of written and spoken english
This description is the source posting as it read when we added it. We are not affiliated with Costain Group PLC, so check their own site for the current details.
Where this offer sits in the market
SOC 5223 · UK · ONS ASHE 2025 · ~209k in sampleP25 £31kP75 £52k
£25kmedian £41kgoing rate £42k£64k
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Does this job guarantee visa sponsorship?
Not necessarily. Costain Group PLC holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 5223 going rate of £41,700. New-entrant and shortage discounts can lower it.