Northrop Grumman Innovation Systems Careers

Sr. Principal Designer

Mesa, AZ
Engineering and Sciences


Job Description

Job ID: DAF20183108-47346

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.

Northrop Grumman Innovation Systems designs, builds and delivers space, defense and aviation-related systems to customers around the world. Our main products include launch vehicles and related propulsion systems; missile products, subsystems and defense electronics; precision weapons, armament systems and ammunition; satellites and associated space components and services; and advanced aerospace structures.

Northrop Grumman is currently seeking an experienced Sr Principal Designer for our offices in Mesa, AZ.

Job Summary:

The Senior Principal Designer will be assigned projects of varying complexity and scope involving gun systems and related components. The position involves the design and development of electrical and mechanical systems into a variety of vehicle applications. The position requires experience working with both engineering and program teams. In addition, this position requires a person that exhibits a high degree of teamwork, organization, technical skill and versatility.

Job 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. Applicant must have extensive experience utilizing geometric dimensioning and tolerance of engineering products.

Primary Responsibilities:

The Senior Principal 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 Senior Principal 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.

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. 

Required Qualifications:

  • Generally requires BS & 14 years or equivalent combination of education & experience.
  • 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 proficient with GD&T
  • Background in advanced design and tolerance stacking, design checking experience preferred
  • AGMA Standards
  • Must be energetic, independent and self-motivated
  • Must possess strong interpersonal, organizational and teamwork skills

At Northrop Grumman Innovation Systems, Inc., our strategy is to deliver affordable innovation to our customers and grow our core areas while harnessing new technologies that will take our products - and your ideas - into the future. You'll be amazed at what you can do! Northrop Grumman Innovation Systems offers a fast-forward environment for analytical and creative thinkers. Our organization is built on a foundation of outstanding talent and is committed to growing the skills of our workforce. Northrop Grumman Innovation Systems employees experience challenges of national and international significance that can't be overstated. United in pride and shared goals, Northrop Grumman Innovation Systems employees come from diverse backgrounds and work together to deliver innovative solutions. Work with the best and unleash your potential. If you are a dynamic, successful, driven professional, Northrop Grumman Innovation Systems is the company that will further your experience and career growth. We offer a highly competitive salary, comprehensive benefits including, medical, dental, 401k, tuition reimbursement, and much more.


Job Type: Full Time
Desired Travel: less than 25%
Years of Experience: +10 Years
Education: Bachelors
Expertise: Engineering
Group: Defense