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Northrop Grumman

Builds stealth bombers, missiles, and satellites

Principal/Senior Principal Mechanical Design Engineer

Design EngineeringPosted on Nov 11
Full-time

About the Job

Requirements

  • A Bachelor's degree in a Science, Technology, Engineering, or Mathematics discipline and at least five years of applicable experience, a Master's degree in one of those disciplines and at least three years of applicable experience, or a PhD in one of those disciplines and at least one year of applicable experience is required for the Principal level.
  • Expertise with mechanical CAD software is required; Siemens NX is preferred.
  • Experience with Geometric Dimensioning and Tolerancing, drawing creation, and tolerance stack-up analysis is required.
  • Good presentation, writing, and communication skills are required.
  • Experience mentoring junior-level engineers is required.
  • An active U.S. Government Secret or higher clearance and U.S. citizenship are required.
  • A Bachelor's degree in a Science, Technology, Engineering, or Mathematics discipline and at least eight years of applicable experience, a Master's degree in one of those disciplines and at least six years of applicable experience, or a PhD in one of those disciplines and at least four years of applicable experience is required for the Senior Principal level.

Responsibilities

  • Serve as a mechanical designer on a major Mission Systems program supporting inertial navigation systems.
  • Research, plan, design, and develop CAD models and 3D model-based drawings using Siemens NX and Teamcenter.
  • Support all phases of the design lifecycle, including modeling, drawings, procurement, testing, and maintenance.
  • Prepare and present reports, briefings, design documents, drawings, and specifications.
  • Support engineering changes and problem reports.
  • Support root cause analysis and quickly resolve manufacturing line stops and other critical production activities.
  • Collaborate with other engineering organizations, program management, factory operations, global supply chain, and mission assurance.

Desired Qualifications

  • Demonstrated proficiency with Siemens NX CAD software and Teamcenter PLM software.
  • Expert-level proficiency with Geometric Dimensioning and Tolerancing per ASME Y14.5.
  • Familiarity with ASME and MIL standards.
  • Basic understanding of stress principles and component sizing.
  • Engineering laboratory experience, including leak-rate and vibration testing.
  • Knowledge of CCA components, layout, and cable routing.
  • Ability to solve a wide range of difficult problems creatively.
  • Experience working in a team environment and willingness to learn.
  • Competence and confidence working under pressure on requests with short turnaround times.
  • Ability to present complex technical information clearly, verbally and in writing.
  • Ability to collaborate effectively with cross-functional teams.
  • Strong analytical and problem-solving skills with a focus on continuous improvement.
  • Proactive, results-oriented approach and a strong sense of ownership.

About the Company

Northrop Grumman

Builds stealth bombers, missiles, and satellites

Northrop Grumman builds military aircraft, missiles, rocket motors, satellites, and electronic systems, mostly for the American military and allied governments. It designed the B-2 stealth bomber and built NASA's James Webb Space Telescope, the largest telescope ever sent to space. The company works through four businesses: aircraft, missiles and ammunition, radar and communications systems, and space hardware such as satellites and solid rocket boosters. Most revenue comes from long-term government contracts, many of them classified. Its roots go back to Northrop Aircraft, founded in 1939, and it took its name after buying Grumman in 1994 and is based in Falls Church, Virginia.

Company size
10,001+
Company stage
IPO
Headquarters
Falls Church, VA
Founded
1939

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