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Mechanical Senior Principal Engineer

Job in Malden, Middlesex County, Massachusetts, 02148, USA
Listing for: Northrop Grumman Corp. (AU)
Full Time position
Listed on 2025-12-01
Job specializations:
  • Engineering
    Manufacturing Engineer, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 86001.5 - 119079 USD Yearly USD 86001.50 119079.00 YEAR
Job Description & How to Apply Below

UK CITIZENSHIP REQUIRED FOR THIS POSITION:
Yes

RELOCATION ASSISTANCE:
Relocation assistance may be available

CLEARANCE TYPE: UK-Security Check (SC)

TRAVEL:
Yes, 10% of the Time

Senior Principal Mechanical Engineer

Location:

New Malden (site based with some flexibility to WFH)

Salary: £65,000 - £90,000

The mechanical function is responsible for leading the design and development of our mechanical products, taking them through the design lifecycle and ensuring suitable for manufacture. They also support in production, dispositioning non-compliance and supporting with problem solving activities. They therefore require project engineering, design, and analysis (FEA, MSA, GD&T) skillsets to enable high quality outputs. They must also appreciate the wider understanding of engineering in term of design for safety, security, maintainability, and manufacturability.

This is a senior position with the engineering function of the Defence Operating Unit. You will be expected to provide expertise and leadership to the hardware engineers in the development of electro-mechanical products. Most importantly, this will be to develop design solutions that are productionisable, developing generic manufacturing requirements/processes and ensuring supplier processes meet those requirements. Key knowledge in metallic composition, welding, treatments, etc used in aerospace and defence.

You will be expected to lead the most complex and critical projects and problems, managing risks and driving a cross-functional team to deliver high quality to stringent deadlines. In addition, you will be expected to support the hardware engineering manager in the execution of strategic hardware goals, including development of people, processes and tools. In such case, you will be aware of AS9145 process and the need to create manufacturing requirements from the design and higher level requirements from the customer and regulations.

You will be conversant in the latest REACH compliant materials and treatments and the methods from which they are manufactured. The Principal engineer is seen as the SME in their area of specialism.

Responsibilities
  • Deliver functional deliverables to cost and schedule.

  • Apply extensive expertise in mechanical, materials and processes to complex problems requiring innovative solutions as well as to the design, development, and delivery of new products, processes and technologies on-time, within budget and to required quality.

  • Deep and broad technical knowledge in mechanical, materials and manufacturing processes, including in application area, with an extensive expertise in specific areas of specialism. Continued professional development of competence and expertise to ensure capability is at leading edge. Be the “go to” person in their specialism, proving technical consultation.

  • Independently delivers Hardware artefacts and develops approach to solutions on the most critical and complex of projects and problems.

  • Plan functional activities, tailoring processes against complex requirements, estimate hours and durations, and conducting activities. Reviews plans and confirms all activities have been captured to meet a compliant solution. Monitors and controls, continually checking on progress against agreed time frames.

  • Responsible for the quality of deliverables from the function, reviewing deliverables produced by engineers, ensuring processes are followed within the various projects. Ensure technical excellence and quality standards across all design phases, including prototyping, testing, and validation.

  • Expected to liaise with customers and suppliers professionally regarding projects, able to communicate complicated issues and solutions effectively, building trust with external stakeholders.

  • Develop relationships with engineering project leads, programmes and cross-functions to ensure engineering aspects are considered, planned and executed.

  • Commercially aware, understanding how to protect the reputation of NG.

  • Mentor, Coach and develop engineers across the operating unit.

  • May lead engineering work packages and projects, coordinating a multi-functional engineering team to deliver against cost and schedule.

  • React to issues and…

Position Requirements
10+ Years work experience
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