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Sr Principal Designer / Design Engr

Northrop Grumman

Design Jobs

Sr Principal Designer / Design Engr

full-timePosted: Jan 2, 2026

Job Description

Develops detailed design drawings and related specifications of mechanical equipment, according to engineering sketches and design proposal specifications:

Analyzes engineering sketches, specifications, and related data and drawings to determine design factors, such as size, shape, and arrangement of parts. Sketches rough layout of part or machine and computes angles, weights, surface areas, dimensions, radii, clearances, tolerances, leverages, and location of holes. Drafts detailed multi-view drawings of assemblies and subassemblies, including specifications for gear ratios, bearing loads, and direction of moving parts, using engineering data and standard references. Applicant must have extensive experience utilizing geometric dimensioning and tolerance of engineering products. The Sr Principal Engineering Designer will prepare designs and/or drawings utilizing computer-aided design equipment, perform necessary calculations, and coordinate design criteria with engineering, manufacturing, tooling, material/ planning groups. The Sr Principal Engineering Designer will have knowledge in the development of advanced conceptual and detailed designs, tolerance stacking, tooling and manufacturing. Will be responsible for designing products and/or systems such as; geared mechanisms, cams, followers, linkages, hydraulics, electro mechanics, controls and instrumentation, as well as other mechanical systems. Working knowledge of the American Gear Manufactures Association (AGMA) gear standards is desired but not required. Responsible for the implementation of design modifications to eliminate component or system malfunctions. Will analyze product design data to determine conformance to established design selection criteria and use of standardized parts and equipment. Shall develop design modifications based on producibility, cost, and component technology factors. Familiar with concurrent engineering practices to include working with high end structural and dynamic analysis and systems engineering groups. High School Diploma or equivalent plus 10 years of relevant drafting/design experience utilizing computer-aided design equipment. Or Associate or Technical 2-yr Degree in Mechanical Drafting/Design plus 8 years of relevant drafting/design experience utilizing computer-aided design equipment Demonstrated proficiency with NX CAD software and TeamCenter Demonstrate an advanced understanding of design and drafting principles, theories, and techniques associated with large aerospace or DOD projects Extensive training and proficiency with GD&T Background in design and tolerance stacking. AGMA Standards Must be energetic, independent, and self-motivated Must possess strong interpersonal, organizational and teamwork skills Previous experience using Pro/Engineer Creo CAD software. Previous experience with Product Manufacturing Information (PMI) and Model Based Definition.

Locations

  • Mesa, Arizona, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Extensive experience utilizing geometric dimensioning and tolerance of engineering products (experience)

Responsibilities

  • Develops detailed design drawings and related specifications of mechanical equipment, according to engineering sketches and design proposal specifications
  • Analyzes engineering sketches, specifications, and related data and drawings to determine design factors, such as size, shape, and arrangement of parts
  • Sketches rough layout of part or machine and computes angles, weights, surface areas, dimensions, radii, clearances, tolerances, leverages, and location of holes
  • Drafts detailed multi-view drawings of assemblies and subassemblies, including specifications for gear ratios, bearing loads, and direction of moving parts, using engineering data and standard references
  • The Sr Principal Engineering Designer will prepare designs and/or drawings utilizing computer-aided design equipment, perform necessary calculations, and coordinate design criteria with engineering, manufacturing, tooling, material/ planning groups
  • Will be responsible for designing products and/or systems such as; geared mechanisms, cams, followers, linkages, hydraulics, electro mechanics, controls and instrumentation, as well as other mechanical systems
  • Responsible for the implementation of design modifications to eliminate component or system malfunctions
  • Will analyze product design data to determine conformance to established design selection criteria and use of standardized parts and equipment
  • Shall develop design modifications based on producibility, cost, and component technology factors

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Northrop Grumman logo

Sr Principal Designer / Design Engr

Northrop Grumman

Design Jobs

Sr Principal Designer / Design Engr

full-timePosted: Jan 2, 2026

Job Description

Develops detailed design drawings and related specifications of mechanical equipment, according to engineering sketches and design proposal specifications:

Analyzes engineering sketches, specifications, and related data and drawings to determine design factors, such as size, shape, and arrangement of parts. Sketches rough layout of part or machine and computes angles, weights, surface areas, dimensions, radii, clearances, tolerances, leverages, and location of holes. Drafts detailed multi-view drawings of assemblies and subassemblies, including specifications for gear ratios, bearing loads, and direction of moving parts, using engineering data and standard references. Applicant must have extensive experience utilizing geometric dimensioning and tolerance of engineering products. The Sr Principal Engineering Designer will prepare designs and/or drawings utilizing computer-aided design equipment, perform necessary calculations, and coordinate design criteria with engineering, manufacturing, tooling, material/ planning groups. The Sr Principal Engineering Designer will have knowledge in the development of advanced conceptual and detailed designs, tolerance stacking, tooling and manufacturing. Will be responsible for designing products and/or systems such as; geared mechanisms, cams, followers, linkages, hydraulics, electro mechanics, controls and instrumentation, as well as other mechanical systems. Working knowledge of the American Gear Manufactures Association (AGMA) gear standards is desired but not required. Responsible for the implementation of design modifications to eliminate component or system malfunctions. Will analyze product design data to determine conformance to established design selection criteria and use of standardized parts and equipment. Shall develop design modifications based on producibility, cost, and component technology factors. Familiar with concurrent engineering practices to include working with high end structural and dynamic analysis and systems engineering groups. High School Diploma or equivalent plus 10 years of relevant drafting/design experience utilizing computer-aided design equipment. Or Associate or Technical 2-yr Degree in Mechanical Drafting/Design plus 8 years of relevant drafting/design experience utilizing computer-aided design equipment Demonstrated proficiency with NX CAD software and TeamCenter Demonstrate an advanced understanding of design and drafting principles, theories, and techniques associated with large aerospace or DOD projects Extensive training and proficiency with GD&T Background in design and tolerance stacking. AGMA Standards Must be energetic, independent, and self-motivated Must possess strong interpersonal, organizational and teamwork skills Previous experience using Pro/Engineer Creo CAD software. Previous experience with Product Manufacturing Information (PMI) and Model Based Definition.

Locations

  • Mesa, Arizona, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Extensive experience utilizing geometric dimensioning and tolerance of engineering products (experience)

Responsibilities

  • Develops detailed design drawings and related specifications of mechanical equipment, according to engineering sketches and design proposal specifications
  • Analyzes engineering sketches, specifications, and related data and drawings to determine design factors, such as size, shape, and arrangement of parts
  • Sketches rough layout of part or machine and computes angles, weights, surface areas, dimensions, radii, clearances, tolerances, leverages, and location of holes
  • Drafts detailed multi-view drawings of assemblies and subassemblies, including specifications for gear ratios, bearing loads, and direction of moving parts, using engineering data and standard references
  • The Sr Principal Engineering Designer will prepare designs and/or drawings utilizing computer-aided design equipment, perform necessary calculations, and coordinate design criteria with engineering, manufacturing, tooling, material/ planning groups
  • Will be responsible for designing products and/or systems such as; geared mechanisms, cams, followers, linkages, hydraulics, electro mechanics, controls and instrumentation, as well as other mechanical systems
  • Responsible for the implementation of design modifications to eliminate component or system malfunctions
  • Will analyze product design data to determine conformance to established design selection criteria and use of standardized parts and equipment
  • Shall develop design modifications based on producibility, cost, and component technology factors

Target Your Resume for "Sr Principal Designer / Design Engr" , Northrop Grumman

Get personalized recommendations to optimize your resume specifically for Sr Principal Designer / Design Engr. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Sr Principal Designer / Design Engr" , Northrop Grumman

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseTechnologyDefense

Answer 10 quick questions to check your fit for Sr Principal Designer / Design Engr @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.