Sr Principal Manufacturing Engineer (Cnc Programmer)

Northrop Grumman Sunnyvale , CA 94085

Posted 3 weeks ago

Northrop Grumman manufactures some of the world's most technically advanced products. Our manufacturing plants are highly-automated, cutting-edge centers of excellence where employees leverage the latest technology, including the strategic use of automation, 3-D printing and robotics. There are a myriad of job functions associated with the manufacture of our products that range from machinists, engineers, operation program managers, and quality inspectors.

Our mission is to deliver differentiated value to our programs, by manufacturing products with the highest possible quality at the most affordable rate. Search our current job openings and join us to be at the front line of innovation.

NGMS is seeking a highly motivated & skilled CNC Programmer who will specialize in the fabrication (machining) of high value large-scale precision metal components (low-volume / high-mix). This position requires a candidate with a strong background and working knowledge of metal removal/machining fundamentals and computer numerical control (CNC) programming experience.

Requirements & Responsibilities:

  • Create and edit CNC programs that support the machining of large-scale, complex, precision metal components fabricated on multiple-axis CNC milling & turning machining centers (CAM file generation, post-processor machine code generation)

  • Perform technical data package review of components that require fabrication (CAD model & engineering drawing validation)

  • Perform machining process development & optimization (part setup/fixturing, machining strategy/order of operations, tool selection, speed/feed process parameter selection)

  • Identify, select, and procure appropriate tooling for job specific applications (based on part material, geometry, features, tolerances, system rigidity, and equipment capability)

  • Perform program prove-out validation (computer simulation tools, 'table top' peer reviews, First Time Process Reviews, machine dry runs)

  • Work with machinists, manufacturing engineers, and design engineers to identify process improvement opportunities (reduced machining/setup time, improved part quality, reduced manufacturing risk) and incorporate required design changes (customer driven changes, technical performance improvements, improved manufacturability)

  • Participate in and lead cross-functional teams comprised of machinists/operators, manufacturing engineers, production supervisors, supply chain representatives, quality engineers/inspectors, and operations/program management to support program schedule & performance goals, mitigate manufacturing risks, and improve operational efficiency

  • With a focus on machining and NC program optimization, define design and fabrication requirements for tools and fixtures with customers (both internal and external) and assist in developing manufacturing processes, plans, and procedures for the fabrication of tools and equipment in support of our process work instructions and visual aids of our shop planning process and other functions that affect product performance.


  • This job requisition is for a 1st Shift position; however, occasional extended shift, off-shift, and/or weekend support maybe required

  • Occasional travel may be required for training purposes or to participate in equipment selection/acceptance activities (less than 10%)

  • Northrop Grumman offers comprehensive benefits packages, competitive wages, and 9/80 flexible work schedules

Sr Principal Manufacturing Engineer (CNC Programmer)

Basic Qualifications:

Bachelors degree and 8 years of relevant work experience. Note: additional 4 years of work experience may be considered in lieu of a degree.

  • 2 years direct experience working in a machining CNC programming role

  • Ability to read, interpret, and understand manufacturing blueprints and process plans

  • 2 years experience using Geometric Dimensioning and Tolerancing (GD&T)

  • Ability to create and edit CNC programs that support the machining of precision components

  • Experience creating and/or editing 3D CAM files

  • Ability to work swing, graveyard and weekend shifts (up to 20%)

Preferred Qualifications:

  • Masters of Science in an Engineering discipline (Mechanical, Manufacturing/Operations, Machining, Process, Materials)

  • Experience/proficiency working with materials requirements planning (MRP) and manufacturing execution systems (MES), SAP experience preferred

  • Demonstrated proficiency using Siemens NX CAD/CAM software to create NC programs for multiple-axis CNC milling & turning machining centers

  • Detailed oriented, strong communication skills

What We Can Offer You:

Northrop Grumman provides a comprehensive benefits package and a work environment that encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the flexibility and control to choose the benefits that make the most sense for you and your family. Your package will include the following:

  • Health Plan

  • Savings Plan

  • Paid Time Off

  • Education Assistance

  • Training and Development

  • Flexible Work Arrangements

Additional Northrop Grumman Information:

Northrop Grumman has approximately 85,000 employees in all 50 states and in more than 25 countries, we strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs and services in the world.

Our Values. The women and men of Northrop Grumman Corporation are guided by Our Values. They describe our company as we want it to be. We want our decisions and actions to demonstrate these Values. We believe that putting Our Values into practice creates long-term benefits for shareholders, customers, employees, suppliers, and the communities we serve.

Our Responsibility. At Northrop Grumman, we are committed to maintaining the highest of ethical standards, embracing diversity and inclusion, protecting the environment, and striving to be an ideal corporate citizen in the community and in the world.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

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Sr Principal Manufacturing Engineer (Cnc Programmer)

Northrop Grumman