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Sr Principal Engineer

Job in Plymouth, Hennepin County, Minnesota, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-10-17
Job specializations:
  • Engineering
    Manufacturing Engineer, Quality Engineering, Systems Engineer, Test Engineer
Salary/Wage Range or Industry Benchmark: 123000 - 185000 USD Yearly USD 123000.00 185000.00 YEAR
Job Description & How to Apply Below

RELOCATION ASSISTANCE:
Relocation assistance may be available

CLEARANCE REQUIRED FOR START:
No

CLEARANCE TYPE:
Secret

TRAVEL:
Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Position Overview

Northrop Grumman is currently seeking an experienced Senior Principal (Level
4) Engineer to provide manufacturing and process‑engineering technical expertise, project management, and support for our fast‑growing medium‑caliber ammunition production programs in our Plymouth, MN offices. Reporting to the Engineering Manager, Production Engineering, this role is responsible for delivering end‑to‑end manufacturing engineering support for electromechanical fuzes for our proximity, guided, and advanced ammunition technology programs. The engineer will provide flexible manufacturing and process-engineering support across the full product lifecycle, from early conceptual development through production.

Specific responsibilities will vary based on program priorities and the needs of the team being supported and may include design support, DFM/DFA, process development, automation, production planning, production support, troubleshooting, and continuous improvement. The engineer will collaborate across functions to deliver safe, high-quality, producible, and cost-effective solutions.

Key Responsibilities
  • Work with project teams to coordinate design‑for‑manufacturability (DFM), design‑for‑assembly (DFA), and automation opportunities for new product development efforts and existing products.
  • Leverage the latest technologies including robotics, torque tools, vision / inspection systems, advanced testing, and data analytics to ensure high‑quality, cost‑effective products are released to market as quickly as possible.
  • Aid in the design of production solutions, including automation cells, fixtures, and test stations, to achieve optimal, safe production output and quality.
  • Develop and execute plans to support increased production volumes, including capacity analysis, line balancing, equipment selection, and production‑rate ramp‑up strategies.
  • Provide on‑site troubleshooting, maintenance, repairs, and upgrades for automation cells and associated equipment as needed.
  • Develop manufacturing…
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