Marine Engineering Submarine Specialist

RTX; Harlow; Hybrid; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Contributory Pension Scheme (up to 10.

We can't split

Job summary

RTX in Winnersh, United Kingdom, seeks a Marine Engineering Submarine Specialist (MESM) to join the DSAT courseware development team. This hybrid role covers data gathering, analysis and SME support for training solutions, with on-site, remote and hybrid options.

You will interview experts, collate data, and ensure training materials meet safety standards. A Cat A Nuclear watchkeeper background and electrical experience are highly desirable.

Qualifications

• Proven at sea experience as a Cat A Nuclear watchkeeper.
• Desirable: PWR 2, electrical background, forward ME duties, training requirements.
• Desirable: member of a boat build crew, DE&S/SDA.

Responsibilities

• Work with the wider DSAT Documentation & processes team for courseware.
• Interview subject matter experts to collate data and participate in workshops.
• Collaborate with customer, agents and suppliers to identify data required for courseware and media development.
• Contextualise training and language to meet training standards.
• Maintain, update and revalidate course technical data.
• Identify opportunities to leverage existing training methods for programme delivery.
• Champion environmental, health and safety compliance and continuous improvement.
• Perform other duties as required for CMDC Training Service.

Skills

Cat A Nuclear watchkeeper

PWR 2

Electrical background

Fwd ME duties

Training requirements

Boat build crew

DE&S/SDA

Job description

Date Posted:

2026-08-05

Country

United Kingdom

Location:

Winnersh, Wokingham

Position Role Type:

Hybrid

Marine Engineering Submarine Specialist

Location: Winnersh

Permanent

Benefits:

• £: Competitive salary
• Contributory Pension Scheme (up to 10.5% company contribution)
• 6 times salary ‘Life Assurance’ with pension
• 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr)
• Company bonus scheme (discretionary)
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Work Culture

• 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
• Early 1.30pm finish Friday, start your weekend early!
• Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role.
• Up to 5 paid days volunteering each year.
• Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team.

About us

At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. As a leading defence and aerospace company operating across the United Kingdom, Raytheon UK helps to solve our customers’ toughest challenges. We are a major supplier to the UK government and customers around the globe, providing defence solutions across all domains: land, sea, air, space, and cyberspace. We also provide digital and training transformation solutions to commercial and military customers.

With circa 2000 employees and major facilities operating throughout the UK including Broughton (Wales), Livingston and Glenrothes (Scotland), and Harlow, Gloucester, and Manchester (England); we are committed to investing in British careers and technology development.

Through advanced technology and our people’s expertise, our Training Transformation Services is modernising what’s possible in the training and preparation of our armed forces. With a real blended approach to learning and using the latest innovative systems and technology, we ensure our service men and women really are prepared for any situation.

Role & Responsibilities

The Marine Engineering Submarine (MESM) subject matter expert (SME) is responsible for gathering the technical data to support the courseware & media development programme. The MESM SME will have suitable Knowledge, Skills and Behaviour and will understand the technical data required, the sources of that data and how to access that data.

The Requirements Team SMEs will work with the Courseware and Media Teams to identify technical data requirements for the development of Defence Systems Approach to Training (DSAT) courseware and media. Having identified the data requirements, the Requirements Team SME will work with the courseware and media content developers to contextualise training and language and ensure correct conditions and standards are applied to the training solution.

Responsibilities

• Work as a member of the wider team responsible for the analysis, design, maintenance, review and production of DSAT Documentation & processes for our Customer’s training sites and organisations.
• Interviewing subject matter experts to collate required data, participate in internal workshops to discuss and agree findings from analysis.
• Work with the customer and the customer’s agents and suppliers to identify technical data required for courseware and media development and also external routes to obtain the data.
• Work with the courseware and media content developers to contextualise training and language and ensure correct conditions and standards are applied to the training solution.
• Conduct the upkeep, update and revalidation of course technical data.
• Identify where training methods and media currently in use in the Customer may be exploited to better develop and deliver the Programme’s courseware.
• Be ‘Responsible for championing and fostering a culture of Environmental, Health, and Safety (EHS) compliance and continuous improvement’.
• Any other duties required to complete the CMDC Training Service.

Required experience

• Proven at sea experience as a Cat A Nuclear watchkeeper.

Desirable experience

• PWR 2.
• Electrical Background.
• Fwd ME duties.
• Training requirements, design or delivery.
• Member of a Boat Build Crew
• DE&S/SDA.