Northrop Grumman · 14 hours ago
Sr Principal Mechanical Engineer
Plymouth, MN
Full-time
Onsite
Senior Level, Lead/Staff
$123K/yr - $185K/yr
8+ years expNorthrop Grumman is a leading technology company with a rich history of innovation and impact. They are seeking a self-motivated engineer to lead metal-parts production projects for the Medium Caliber Ammunition co-production effort, requiring strong problem-solving skills and collaboration with cross-functional teams.
AerospaceData IntegrationManufacturingRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Direct a metal‑parts team of five or more engineers in equipment selection and process development
Serves as Design‑to‑Production Transition (DTPT) reviewer for cartridges in development
Act as Cost Account Manager (CAM) to ensure schedule and budget compliance
Work closely with key vendors to design, produce, and qualify metal‑finish, paint, and heat‑treat equipment
Create or update manufacturing and assembly process documentation
Provide frequent status updates to all organizational levels
Maintain extensive contact with assigned internal and external project customers
Generate and track open‑issue lists to timely resolution
Trial new processes and technologies to improve quality and throughput
Apply solid mechanical‑systems and manufacturing‑process knowledge
Qualification
Required
Must have 12 years of experience in manufacturing/production of mechanical components or systems or the following education-experience equivalents: B.S. in an engineering discipline + 8 years of relevant experience, M.S. in an engineering discipline + 6 years of relevant experience, Ph.D. in an engineering discipline + 4 years of relevant experience
U.S. citizenship (required)
Preferred
5+ years of experience in a metal-parts manufacturing environment
Experience as a Cost Account Manager (CAM), familiarity with Earned Value Management System (EVMS) and Item Master Scheduling (IMS) strongly preferred
10+ years of overall professional experience
5+ years of experience leading a team of engineers
Working knowledge of Geometric Dimensioning and Tolerancing (GD&T)
Proficiency with Microsoft Office (Word, Excel, PowerPoint, Outlook)
Benefits
Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business
Company
Northrop Grumman
Northrop Grumman is an aerospace, defense and security company that provides training and satellite ground network communications software.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.7BKey Investors
U.S. Department of DefenseNASA
2025-05-27Post Ipo Debt· $1B
2024-01-29Post Ipo Debt· $2.5B
2023-12-20Grant· $72M
Leadership Team
Tom Wilson
Corporate Vice President, Enterprise Business Development
Jeffrey Worsham
Chief Product Owner - Advanced Technology Development
Recent News
2026-01-23
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2026-01-20
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2026-01-16
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