Mechanical Senior Principal Engineer

Mechanical Senior Principal Engineer

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Introduction

Join a cutting-edge engineering environment where your expertise will help shape complex, real-world defence solutions. This is a senior-level opportunity to lead from the front—combining technical depth with leadership impact across high-profile programmes.

Role Overview:

• Location: New Malden
• Package: Competitive Salary + bonus + strong benefits
• Industry: Defence & Aerospace Engineering

What You’ll Be Doing:

• Leading the end-to-end design and delivery of mechanical and electro-mechanical systems
• Acting as the go-to technical authority across materials, manufacturing and mechanical design
• Overseeing complex engineering challenges, ensuring solutions are robust, compliant and production-ready
• Managing project planning, timelines and technical delivery against quality and cost expectations
• Reviewing and approving detailed engineering documentation, prototypes and validation activities
• Collaborating with customers and suppliers to resolve technical challenges and build strong partnerships
• Mentoring engineers and developing team capability across the wider function
• Driving continuous improvement, risk management and root-cause analysis initiatives
• Ensuring alignment with industry regulations, standards and best practices
• Representing engineering excellence through internal and external engagement

Main Skills Needed:

• Strong background in mechanical engineering within defence, aerospace or maritime environments
• Proven experience leading engineering teams and delivering complex hardware projects
• Expertise across the full product lifecycle—from concept through to in-service support
• Knowledge of mechanical design standards, materials and manufacturing processes
• Experience with structural, thermal or dynamic analysis (including FEA)
• Proficiency in CAD, engineering drawings and technical documentation
• Familiarity with DFMEA, DFA, DFM and continuous improvement methodologies
• Experience working with compliant materials and modern manufacturing techniques
• Strong stakeholder engagement, communication and influencing skills

What’s in It for You:

• Flexible and hybrid working, including compressed hours
• Private healthcare and cash health plan
• Performance-related bonus
• Holiday buy/sell scheme
• Ongoing professional development, mentoring and career progression
• The opportunity to work on meaningful, technically challenging projects with real-world impact

Call to Action:

If you’re nodding along, let’s take the next step.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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