Sr. Principal Mechanical Drafting Design Engineer

Northrop Grumman•Rolling Meadows, IL
•$123,400 - $185,000•Onsite

About The Position

Northrop Grumman Mission Systems is hiring a Sr. Principal Mechanical Drafting Designer for its Hardware Engineering organization at the Rolling Meadows, Illinois facility. The position supports the design and documentation of ruggedized electronic equipment for military applications. Work includes CAD design, drawing creation, documentation updates, and library part creation. The designer will collaborate in a team environment with senior oversight and colleagues in electrical, mechanical, and systems engineering. This is a full-time, on-site position. Candidates must be U.S. citizens and have an active U.S. Government DoD Secret clearance at a minimum. Travel is 10% of the time; relocation assistance is not available.

Requirements

  • Bachelor’s degree with at least 8 years of relevant experience, or a master’s degree with at least 6 years of relevant experience; alternatively, an additional 4 years of experience in lieu of a degree.
  • At least 7 years of experience in mechanical design and drafting.
  • Extensive hands-on CAD modeling, drafting, and tolerance stack-up experience using NX, Creo, and SolidWorks.
  • Deep working knowledge of ASME Y14.5 and related military specifications for GD&T, part, assembly, and drawing standards, and configuration control.
  • Strong background in manufacturing-driven design for machining, welding, sheet metal, casting, and 3D printing in rugged, high-reliability applications.
  • Experience designing parts for machining and extensive familiarity with ASME standards.
  • U.S. citizenship.
  • Current active U.S. Government DoD Secret clearance at a minimum.

Nice To Haves

  • Bachelor’s degree in science, technology, engineering, or math and at least 5 years of experience in mechanical design and drafting.
  • Active DoD Secret clearance or higher.
  • Experience working with manufacturing, quality, or inspection teams.
  • Experience supporting aerospace or defense hardware development.
  • Proficiency with ASME Y14.5 GD&T and ASME Y14.100 engineering drawing practices.
  • Strong communication and collaboration skills, including the ability to support and mentor peers.
  • Ability to provide constructive feedback and support peers’ skills and performance.
  • Working knowledge of materials, specifications, manufacturing processes, and design tools used for mechanical design of electronic assemblies.
  • Working knowledge of Siemens NX, Teamcenter, ProEngineer, and AutoCAD.
  • Good written, verbal, and interpersonal communication skills.

Responsibilities

  • Design and document ruggedized electronic equipment for military applications.
  • Perform CAD design and modeling, create drawings, update documentation, and create library parts.
  • Develop mechanical designs and drafting for complex assemblies across multiple programs.
  • Apply tolerance stack-up methods and applicable GD&T, engineering drawing, and military standards.
  • Design parts with manufacturing processes and high-reliability applications in mind.
  • Collaborate with electrical, mechanical, and systems engineering colleagues and other functional teams.
  • Support and mentor peers and provide constructive feedback.

Benefits

  • Health insurance coverage
  • Life and disability insurance
  • Savings plan
  • Company-paid holidays
  • Paid time off for vacation and/or personal business
  • Potential eligibility for overtime, shift differential, and a discretionary bonus, depending on the position
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service