Job Title: Diving and Maritime Assistant Supervisor
Location:HM Naval Base, Portsmouth
Service Area:Asset Management, Diving Services
Hours of Work:45 hours per week, Monday to Friday, 07:30-17:15
Salary:£48,000 – £50,000
What you’ll be doing:
We’re looking for an Assistant Dive Supervisor to support and occasionally step up into the Dive Supervisor role.
* You’ll play a key part in delivering reactive and planned diving and maritime operations across Portsmouth, ensuring all work is carried out safely, professionally, and to the highest standards.
* This is a role for someone who’s hands-on, safety‑driven, and eager to lead when required — whether that’s overseeing a dive, coordinating documentation, or supporting the wider diving team.
What you will bring:
* You’re a pro-active, organised and collaborative Diver who communicates clearly and confidently, leading to great relationships and influence being built.
* Your strong professional safety experience and demonstrable technical judgement will ensure you lead with integrity, while embodying KBS Maritime’s values.
* As a motivated and eager Diver, you will deliver results even when having to navigate challenges – something you that pride in.
About you:
* A valid First Aid at Work certificate
* An in‑date ADC Supervisor Certificate
* A strong understanding of the Diving at Work Regulations 1997, ACoP L104, and HSEG 3003
* Competence in writing and reviewing dive documentation
* HSE‑approved Surface Supplied certification (minimum)
* Experience with underwater husbandry and civil engineering techniques
* Medical fitness to undertake commercial diving duties
* Good working knowledge of MS Office
* Eligibility to obtain UK security clearance
* Full UK driving licence
Even better if you have (or want to gain!):
* Confined Space training
* Rigging & slinging qualifications
* HP water jetting & chainsaw certification
* RYA Level 2 Powerboat or Sea Survival
* Lift Supervisor training
You’llget:
* A competitive salary
* 25 days holiday plus bank holidays
* Holiday purchasescheme,following successful completion of probation period
* Discretionary company bonus scheme
* Enhanced pension scheme–employee contribution4% and company contribution6%,orthe employee canincreasetheircontributionto6% andcompany contribution8%
* Life assurancex 4 (subject to scheme T&C’s)
* Access to our internal benefits and discounts programme for all colleagues
* Cycle to work scheme
* Group income protection
* Flexible parental benefits (if applicable)
* Free parking onsite
* Access to our Internal employeeassistancenetwork, 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 1st April 2026.
Backgroundchecks &security
Please note that due to the nature of the sitewe are based on and the work carried out,once offeredwe carry out a number of pre-employment checkswhich includeUKSV clearance applications– you will need to be eligible for this and willing to go through the process. For more information, pleasespeak with the Talent & Recruitment team.
Aboutus:
At KBS Maritime,we’renot just another company –we’rean exciting and dynamic joint venture between industry leaders BAE Systems and KBR. Our teamis dedicated to providingAsset 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 deliveringstate of the artsolutions 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. Butit’snot 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.
KBS Maritime is committed to building a diverse workforce and fostering an inclusive workplace. We welcome applications from individuals of every social or cultural background, age, gender, ability, sexual orientation, and belief.
Wewill make reasonable adjustmentstothe recruitment processto accommodate any disability.In the first instance, if yourequirethis job advert in an alternative format, or require anyassistance, please contactrecruitment@kbsmaritime.com
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