Design Engineer

Deadline: 31st August 2021



Job Title: Design Engineer
Employment Status: Permanent 
Line Manager: Principal Engineer – Design
Location: Shoreham-by-Sea
Standard Working Hours: 37.5 per week
Salary Range: £ Dependant on experience
Holiday Entitlement: 25 days per annum
Benefits: Company Pension Scheme, EAP (employee assistance programme), Free Beverages, Work Uniform, Discounted Gym Membership, Discounted Eye wear and Free Eye Test, Ride to Work Scheme, Electric Car Charging, Free Parking On-site.

We are currently recruiting a Design Engineer to join the Engineering department at our headquarters in Shoreham-By-Sea.

Over the last 13 years, Cox Powertrain have been on a mission to deliver a revolutionary new concept in ultra-lightweight diesel engines with their market revolutionising CXO300. Since 2007, Cox has successfully raised over £120 million of private investment, to bring the outboard from a dream to a reality. Having begun production in May 2020, the CXO300 is becoming hugely popular in the market and demand is on the rise.


The Design Engineer role for which Cox is currently recruiting is ideal for a candidate wishing to work in an environment of rapid technical change, to develop innovative new technologies. The role will allow the candidate to either work across a broad range of systems, or to take a higher level of ownership over the design of a given system, depending on their skill set and approach to work.


  • To work in conjunction with other Design Engineers, Senior Design Engineers and Principal Engineers to produce component and assembly designs which meet the required performance targets, in accordance with development schedules and company design standards
  • To work as part of a cohesive team, ensuring the quality of output from the design team remains at the highest possible level. This may from time to time involve mentoring of junior design staff
  • In line with the departments’ drive for continuous improvement, contribute to the identification of technical shortcomings and implement design solutions as required.


  • Preparation of component and assembly designs, in the form of 3D models, 2D technical drawings and other associated technical documentation, to address technical issues identified by a combination of real-world testing, analytical study and engineering judgement
  • Preparation of design release packs including supporting evidence such as basic calculations to support key design decisions
  • Close cooperation with other key technical stakeholders, including analysis, systems, build & test to ensure the delivery of ‘right first time’, technically sound designs
  • Ensuring one’s own designs meet company design guidelines and standards
  • Effective application of sound engineering principles and ones’ own experience to contribute to the determination of potential root causes for technical challenges, and to propose potential design solutions


  • Clear positive work ethic with a desire to work to get the job done rather than working to the clock
  • Maintain an enthusiastic, positive, calm and accommodating approach to work and changing priorities
  • A high level of attention to detail, with an aspiration to achieve technical excellence, believing in ‘good enough, is not good enough’.
  • Commitment to the achievement of the company’s long term business objectives



  • Formal education in engineering or a relevant scientific discipline; degree or vocational qualifications both considered equally
  • Experience of:
    • Power or drivetrain component/system design
    • Working within an environment of continuous and rapid technical change
  • A thorough technical understanding of core mechanical engineering principles:
    • Material selection, heat treatment, manufacturing and processing knowledge, to include:
      • Forging
      • Casting
      • Injection moulding & vacuum forming
      • Machining (including cutting, grinding & EDM)
      • Rapid manufacturing
    • Stress, strain, fatigue, creep, fretting, galling
    • Bolted joints
    • Fluid bearings, oil/hydraulic systems, seals
    • Basic tolerance analysis
    • DFM&A / DFx
  • Strong communication and interpersonal skills with the ability to operate as part of a team both within and outside of the Engineering department
  • Strong 3D CAD skills using one or more of the common industry packages; Siemens NX, Catia, Solidworks, Inventor etc.
  • Excellent 2D technical drawing skills, and a thorough understanding of GD&T principles to produce drawings in accordance with BS8888, and the ISO GPS framework
  • Sound documentation capabilities and thus experience with Microsoft Outlook, Word, Excel and PowerPoint for example


  • Experience of:
    • Product Lifecycle Management (PLM) software such as Teamcenter or Windchill
    • Design work within the marine industry, and as such – an appreciation of the unique challenges that marine service brings


With a global reach of over 100 territories, you will be joining a business that puts innovation at the forefront of everything we do and aim to be leaders in our field. To achieve this, we are always on the lookout for new talent to join our team.

Join the team and be a part of revolutionising the marine industry!



Cox Powertrain is a privately owned engineering company based in Shoreham by Sea. Cox have spent the past decade developing a ground-breaking new engine, supported by £120m of private investment, for marine industry which is disrupting the global marine market. Cox Powertrain have over 150 permanent employees, with strong connections with the automotive industry.

The core engine module is a V8, 4-stroke turbo charged diesel with a capacity of 4.4ltr litres that delivers up to 300 hp (224kW) per module.  Principal benefits are increased responsiveness combined with reduced size, mass and parts count when compared with conventional diesels of similar power output and improved fuel efficiency and storage safety compared to gasoline engines of similar power output.