Principal Mechanical Engineer

Northrop Grumman; London; Hybrid; GBP 46,000 - 63,000; Full time

Job summary

A leading aerospace and defense company seeks a Principal Mechanical Engineer to oversee mechanical designs, performing critical analyses and ensuring compliance with standards. The role promises flexible working arrangements and a range of benefits while allowing professionals to grow in a collaborative setting, contributing significantly to national security.

Benefits

Flexible working schedules

Flexible Benefits Package

Employee Incentive Programme

Career Development

Qualifications

• Strong experience in a Mechanical Design Engineering position.
• Engineering degree in related discipline (or extensive mechanical design experience without a degree).
• Understanding and working knowledge of mechanical related Defence Standards.

Responsibilities

• Mechanical design engineering Subject Matter Expert (SME) across the business.
• To analyse and justify mechanical based designs and component selection.
• To resolve mechanical issues during hardware design, development, manufacture, integration and qualification.

Skills

Mechanical Design Engineering

Finite Element Analysis (FEA)

Thermal Analysis (CFD)

Configuration Management (CM)

Collaboration

Education

Engineering degree in related discipline

Job description

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Client:

Northrop Grumman

Location:

Job Category:

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EU work permit required:

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Job Reference:

d41922d18747

Job Views:

88

Posted:

22.06.2025

Expiry Date:

06.08.2025

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Job Description:

Requisition ID: R10151282

Your Opportunity to Define Possible . Our Opportunity t o Deliver the Nation’s Security . Together.

Role Clearance Type:

You must be able to gain and maintain the relevant UK Government clearance in line with the job role (SC)

About Your Opportunity:

Principal Mechanical Engineer Role:

To support all Mechanical designs and conduct Finite Element Analysis (FEA) and Thermal Analysis (CFD). This role also provides our customers with a direct point of contact whilst liaising with manufacturers and test houses.

To sign off all mechanical designs, ensure the mechanical team are conforming to applicable processes during and design, development and build, and ensure compliance to all applicable requirements.

To produce, review and approve technical documentation to support on-time programme delivery whilst organising all Computer Aided Design (CAD) aspects to perform efficiently and effectively using a variety of CAD applications.

• Flexible working schedules - we offer flexible and hybrid working arrangements. Talk to us at the application stage about any scheduling preferences you may have.
• Flexible Benefits Package – choose which NGUKL benefits you want to satisfy your personal needs. Core Benefits provided for you are Healthcare, Dental, Life Assurance and Pension. Benefits you can flex include Critical Illness Cover, Health Cash Plan, and Health Assessments.
• Employee Incentive Programme – exceptional performance is recognized through our annual incentive programme which is awarded to top performers who excel
• Career Development – opportunity for ongoing professional development and career growth opportunities

Your Responsibilities:

• Mechanical design engineering Subject Matter Expert (SME) across the business.
• To analyse and justify mechanical based designs and component selection
• To resolve mechanical issues during hardware design, development, manufacture, integration and qualification.
• To ensure baseline and change control activities are carried out within the mechanical team, adhering to Configuration Management (CM) processes.
• To provide mechanical/electro-mechanical design support on a single or multiple programmes.
• To provide leadership to the mechanical team to ensure process and requirements are conformed to.
• To produce, review and approve mechanical technical documentation (drawings, documents and Bill of Materials (BOM).

Your Experience:

• Strong experience in a Mechanical Design Engineering position.
• Engineering degree in related discipline (or extensive mechanical design experience without a degree).
• Understanding and working knowledge of mechanical related Defence Standards.
• Ability to work independently on own initiative, as well as within a collaborative team environment.
• Ability to work under pressure in a complex and rapidly changing environment.

Your Future Team:

“This role is a great fit for a Principal Mechanical Engineer looking for further career development opportunities and to work within a design team and support engineers. You’ll be working with top talent to contribute to the continued safe deployment of the latest in-service submarines for the Royal Navy. What an opportunity!

We are an extensively experienced and supportive team working in a matrix structure that promotes collaboration, opportunity for new experiences and learning. We will give you space to develop your career and build on your capability to lead inside and outside a project team.

Diversity is at the heart of our success. Our team share experience, knowledge and new thinking gained from a wide range of backgrounds perspective, culture, gender, race, age and many other elements across several industries. We welcome candidates from all backgrounds and particularly from communities currently under-represented within our industry. We treat everyone with respect and foster safe and inclusive environments.

About Our Responsibilities:

Our customers operate in unique environments which offer new and exciting challenges every day, cultivating a place where you can learn and thrive, working alongside the best minds in industry. We’ll give you space to develop your career, where your ideas can shape the future of our dynamic business.

We promote collaboration to achieve more than we could imagine, together. And within a respectful and inspirational environment, we value what you say and do.

How to Apply:

Interested in our opportunity?

Yes – then simply submit your application online. Your application will be reviewed by one of our expert recruiters who’ll then respond advising you of the outcome and next steps for successful candidates.

Background checks and potentially security clearance form part of the recruitment process, our team will inform you of the procedures when required.

Northrop Grumman UK:

Work with a global brand that makes a real contribution to our nation’s security and future. At Northrop Grumman UK, the brightest minds come together to push the boundaries and Define Possible. As leaders in the digital transformation of Aerospace, Defence and Intelligence we are providing ground-breaking outcomes for our customers.

UK Defence Business:

Our UK Defence business is a Sovereign software and systems centre of excellence. As well as developing and supporting UK wide and internationally deployed multi-domain command and control systems, our work is critical to the modern backbone of the Royal Navy. We pioneer – with fierce curiosity, dedication, and innovation, we seek to solve the world’s most challenging problems.

Find out more :

#LI-DW1

#LI-Hybrid

Northrop Grumman is committed to hiring and retaining a diverse workforce, and encourages individuals from all backgrounds and all abilities to apply and consider becoming a part of our diverse and inclusive workforce.

Requisition ID: R10151282

Your Opportunity to Define Possible . Our Opportunity t o Deliver the Nation’s Security . Together.

Salary: £46,000 - £63,000

Role Clearance Type:

You must be able to gain and maintain the relevant UK Government clearance in line with the job role (SC)

Location: Burlington House, New Malden, Kingston-Upon-Thames, London, UK.

About Your Opportunity:

Principal Mechanical Engineer Role:

To support all Mechanical designs and conduct Finite Element Analysis (FEA) and Thermal Analysis (CFD). This role also provides our customers with a direct point of contact whilst liaising with manufacturers and test houses.

To sign off all mechanical designs, ensure the mechanical team are conforming to applicable processes during and design, development and build, and ensure compliance to all applicable requirements.

To produce, review and approve technical documentation to support on-time programme delivery whilst organising all Computer Aided Design (CAD) aspects to perform efficiently and effectively using a variety of CAD applications.

Your Benefits:

Flexible working schedules - we offer flexible and hybrid working arrangements. Talk to us at the application stage about any scheduling preferences you may have.

Flexible Benefits Package – choose which NGUKL benefits you want to satisfy your personal needs. Core Benefits provided for you are Healthcare, Dental, Life Assurance and Pension. Benefits you can flex include Critical Illness Cover, Health Cash Plan, and Health Assessments.

Employee Incentive Programme – exceptional performance is recognized through our annual incentive programme which is awarded to top performers who excel

Career Development – opportunity for ongoing professional development and career growth opportunities

Your Responsibilities:

Mechanical design engineering Subject Matter Expert (SME) across the business.

To analyse and justify mechanical based designs and component selection

To resolve mechanical issues during hardware design, development, manufacture, integration and qualification.

To ensure baseline and change control activities are carried out within the mechanical team, adhering to Configuration Management (CM) processes.

To provide mechanical/electro-mechanical design support on a single or multiple programmes.

To provide leadership to the mechanical team to ensure process and requirements are conformed to.

To produce, review and approve mechanical technical documentation (drawings, documents and Bill of Materials (BOM).

Your Experience:

Strong experience in a Mechanical Design Engineering position.

Engineering degree in related discipline (or extensive mechanical design experience without a degree).

Understanding and working knowledge of mechanical related Defence Standards.

Ability to work independently on own initiative, as well as within a collaborative team environment.

Ability to work under pressure in a complex and rapidly changing environment.

Your Future Team:

“This role is a great fit for a Principal Mechanical Engineer looking for further career development opportunities and to work within a design team and support engineers. You’ll be working with top talent to contribute to the continued safe deployment of the latest in-service submarines for the Royal Navy. What an opportunity!

We are an extensively experienced and supportive team working in a matrix structure that promotes collaboration, opportunity for new experiences and learning. We will give you space to develop your career and build on your capability to lead inside and outside a project team.

Diversity is at the heart of our success. Our team share experience, knowledge and new thinking gained from a wide range of backgrounds perspective, culture, gender, race, age and many other elements across several industries. We welcome candidates from all backgrounds and particularly from communities currently under-represented within our industry. We treat everyone with respect and foster safe and inclusive environments.

About Our Responsibilities:

Our customers operate in unique environments which offer new and exciting challenges every day, cultivating a place where you can learn and thrive, working alongside the best minds in industry. We’ll give you space to develop your career, where your ideas can shape the future of our dynamic business.

We promote collaboration to achieve more than we could imagine, together. And within a respectful and inspirational environment, we value what you say and do.

How to Apply:

Interested in our opportunity?

Yes – then simply submit your application online. Your application will be reviewed by one of our expert recruiters who’ll then respond advising you of the outcome and next steps for successful candidates.

Background checks and potentially security clearance form part of the recruitment process, our team will inform you of the procedures when required.

Northrop Grumman UK:

Work with a global brand that makes a real contribution to our nation’s security and future. At Northrop Grumman UK, the brightest minds come together to push the boundaries and Define Possible. As leaders in the digital transformation of Aerospace, Defence and Intelligence we are providing ground-breaking outcomes for our customers.

UK Defence Business:

Our UK Defence business is a Sovereign software and systems centre of excellence. As well as developing and supporting UK wide and internationally deployed multi-domain command and control systems, our work is critical to the modern backbone of the Royal Navy. We pioneer – with fierce curiosity, dedication, and innovation, we seek to solve the world’s most challenging problems.

Find out more :

#LI-DW1

#LI-Hybrid

Northrop Grumman is committed to hiring and retaining a diverse workforce, and encourages individuals from all backgrounds and all abilities to apply and consider becoming a part of our diverse and inclusive workforce.