Principal Mechanical Engineer

Ultra Maritime; Greater London; Hybrid; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Optional 9-day fortnight

Time Off in Lieu (TOIL)

Private healthcare access

Generous pension scheme

Job summary

Ultra Maritime in Greater London seeks a skilled Mechanical Engineer to define mechanical architecture and lead the design of complex systems. This position demands expertise in mechanical design using advanced tools like Creo and Autodesk Inventor.

The successful candidate will work within a dynamic team, ensuring projects are delivered on time and within budget while mentoring junior engineers. Benefits include flexible working hours, annual bonus, and a generous pension scheme.

Qualifications

• Proven ability to deliver reliable solutions on time and within budget.
• Experience preparing for and participating in Product Design Reviews.
• Extensive experience in mechanical design and documentation.

Responsibilities

• Define and manage mechanical architecture and system requirements.
• Develop and deliver robust mechanical solutions for complex systems.
• Lead mechanical integration, verification, and acceptance testing.

Skills

Mechanical design and documentation

Project lifecycle management

MCAD, MCAE, PLM, ERP tools

Material selection

Assembly techniques

Hands-on complex system design

Security clearance

Education

Degree-level education or equivalent experience

Tools

Creo

Autodesk Inventor

Windchill

IFS

Job description

Ultra Maritime is a global leader in advanced maritime defence solutions, delivering technologies that protect lives, secure nations, and enable a safer, more sustainable world.

Key Responsibilities

• Define and manage mechanical architecture, system and sub‑system requirements, ensuring validation and verification.
• Develop, document, and deliver robust mechanical solutions for complex systems using engineering toolsets.
• Create and peer‑review technical artefacts, including design documentation, data packs, analysis reports, plans, and procedures in line with our product development framework.
• Analyse and document predicted mechanical behaviours and performance.
• Develop mechanical test solutions and procedures to support product verification.
• Lead mechanical integration, verification, and acceptance testing, collecting and presenting evidence as required.
• Prepare and present technical solutions and estimates to internal and external stakeholders.
• Provide in‑service and production support to customers.
• Act as Project Engineering Lead (PEL) and/or Work Package Manager (WPM) on projects when required.
• Contribute to continuous improvement of mechanical engineering processes and tools.
• Support bids and proposals with technical input, estimates, and plans.
• Adhere to company engineering processes and procedures.
• Coach and mentor junior engineers.

Required Skills, Qualifications & Experience

• Degree‑level education or equivalent experience.
• Experience across the full project lifecycle, developing mechanical solutions against defined requirements.
• Extensive experience in mechanical design and documentation using MCAD, MCAE, PLM, and ERP toolsets (e.g., Creo, Autodesk Inventor, Windchill, IFS).
• Strong understanding of mechanical engineering principles, including material selection, assembly techniques, and manufacturing processes.
• Work package management experience.
• Experience preparing for and participating in Product Design Reviews.
• Hands‑on experience designing complex systems involving multiple engineering disciplines, with awareness of associated challenges and risks.
• Proven ability to deliver reliable solutions on time and within budget.
• Security clearance at SC level or eligibility to obtain it.

Desired

• Experience in mechanical integration, verification, and validation activities.
• Background in designing products for the Defence domain (preferably Maritime).
• Familiarity with mechanical design analysis techniques and tools (e.g., trade studies, calculations, modelling, simulation).
• Ability to prioritise and execute tasks effectively in a deadline‑driven environment.

What We Offer

• Optional 9‑day fortnight for better work‑life balance
• Time Off in Lieu (TOIL)
• Flexible working hours
• Early finish on Fridays
• Annual bonus
• Hybrid working options for certain roles
• Casual dress policy
• 25 days holiday plus Christmas shutdown
• Option to buy or sell holiday
• Access to private healthcare, dental, and critical illness cover via salary sacrifice
• Discounts at over 200 online stores
• Life cover at 4× annual salary
• Generous pension scheme starting at 5% employer / 4% employee contributions with flexibility to increase contributions up to 70%

Security Requirements

This role requires a Baseline Personnel Security Standard Check (BPSS) as a minimum; some positions may require further national security vetting checks.

Our Commitment to Diversity and Inclusion

Ultra Maritime embraces the power of diverse perspectives to fuel innovation. We build an open, inclusive workplace where ideas flourish and every individual can make a meaningful impact.

Company: Ultra Maritime