Job Title: Clerk of Works (Mechanical)
Location: HM Naval Base, Portsmouth (HMNBP)
Service Area: Asset Management
Hours of Work: 37 Per week
What You’ll be doing:
The Clerk of Works (Mechanical) role is a compliance and quality assurance position within the KBS Design Team. The position provides expertise and coordinates the clerk of works team resources for the development of quality and compliance programmes for projects. This includes early participation in project design development; guidance on commissioning requirements; on-site inspections, and testing and witnessing throughout a project all the way to handover.
By conducting other commissioning/witnessing related activities and assisting clerk of works (commissioning) team members when required, the Clerk of Works (Mechanical) will also be responsible for Inspection, Test and Assurance Plans (ITA’s). Management and monitoring of clerk of works activities via an on-line Project Management tool (PMO) – Keystone is critical to the role, along with direct co-ordination of all witnessing, commissioning, and inspection requirements to ensure they are planned for, carried out, recorded and completed prior to project handover.
You’ll Have:
Knowledge of Building systems including HVAC, gas, steam, fresh water, sewage, Combined Heat and Power Plants, Low Temperature Hot Water, Building Management Systems (BMS) and general mechanical plant. Workshop systems knowledge including Local Exhaust Ventilation (LEV), workshop machinery, plant and lifting machinery, High / Low Pressure Air systems will be hugely beneficial, along with Utility distribution systems, including steam, gas and water networks.
With an ONC/HNC (or NVQ’s) in civil engineering or construction management, you’ll also have a Clerk of Works qualification or relevant experience (desirable), be able to showcase the ability to read and interpret architectural and engineering drawings and specifications with experience leaning towards building regulations, approved documents and British standards for electrical systems, and relevant regulations including PUWER, LOLER, PSSR, F-gas, Legionella, DSEAR, MoD Joint Service Publications (JSP’s) etc.
About you:
As the post of Clerk of Works (Mechanical) requires a lot of stakeholder interaction, experience of dealing with M&E contractors on site and at management level would be hugely beneficial, along with heightened inter-personal skills to really drive home influence and rapport building. You’ll also be confident in your own ability, be able to show respect and tolerance to others, and be an excellent planner to ensure an organised approach.
You’ll get:
* A competitive salary
* 25 days holiday plus bank holidays
* Enhanced pension scheme
* Life assurance
* Access to our internal benefits and discounts programme for all colleagues
* Cycle to work scheme
* Group income protection
* Flexible parental benefits (if applicable)
* Access to our Internal employee assistance network, giving you the opportunity to reach the heights of success within your new position.
* Continued professional career development
* Kudos reward opportunities (internal achievements scheme)
* Occupational Health & Wellbeing Services
* 50% off entry into the Historic Dockyard
Application process:
Applications are urged to apply prior to the advertising closing date of 21st November 2025 with a view of interviews scheduled to commence week commencing 24th November 2025. For all queries, please contact the Recruitment Team in the first instance who will advise accordingly.
About Us:
At KBS Maritime, we're not just another company – we're an exciting and dynamic joint venture between industry leaders BAE Systems and KBR. Our team is dedicated to providing Asset Management, Infrastructure Management, Energy Solutions and Alongside Services at His Majesty's Naval Base Portsmouth (HMNBP), the beating heart of the Royal Navy.
With almost two-thirds of the Royal Navy's surface ships stationed at HMNBP, working with KBS Maritime means being at the forefront of innovation and progress. We operate in a unique and fascinating environment, with a mix of historic dockyards and cutting-edge infrastructure that's unlike any other.
By delivering state of the art solutions to the Royal Navy, KBS Maritime offers the chance to work on projects that make a real difference to the safety, security, and sustainability of the UK's National Defence and Security. But it's not just about the work – at KBS Maritime, we believe in the value of our people. We have the ethos of a small business, which means we value and empower our team members to succeed