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Principal Mechanical Designer-Nashua, New Hampshire

BAE Systems
BAE Systems Salary
Fitchburg, MA Full Time
POSTED ON 11/8/2026
AVAILABLE BEFORE 12/6/2026
Job Description
BAE Systems is seeking a Principal Mechanical Designer for our Countermeasure & Electromagnetic Attack Solutions (CEMA) business area. From our southern NH campus of facilities, CEMA business area is interested in candidates with a strong desire of obtaining a long and exciting career within the Design Drafting Department here at BAE Systems. CEMA is focused on next-generation threat detection, countermeasure, and attack solutions to provide customers with full-spectrum electronic warfare capabilities to enhance mission survivability. We put our customers first - exemplified by our mission: "We Protect Those Who Protect Us®."

The Principal Designer position we are seeking to fill requires 15 years of experience in the Mechanical Design Drafting, Engineering or related profession, with a minimum 3 years specifically assigned Senior/Lead Designer role, to work in the Nashua, New Hampshire area. You will be part of a Design & Drafting Community working with the latest CAD technology and processes who are always forward planning with Industry professionals to define future of CAD capabilities including support of Model Based Engineering via Model Based Definition. You also will advance your technical skills while performing your assigned responsibilities on development projects and supporting our existing product portfolio.

The individual selected for this position will be an experienced Mechanical Designer who is a problem solver with diverse technical capabilities and sound design and geometrical tolerance fundamentals to support engineering, design, analysis, product definition and product build process. Must also be able to lead design efforts which includes delegating tasks to Designers, Drafters and Checkers from conceptual to production release. The duties assigned to this position, while under the guidance of Program and Engineering Leadership, include the following:

Utilize computer-aided design equipment and/or graphic tools to design components, systems, portion of systems and modify existing designs to develop or improve production.
Support mechanical and electro-mechanical hardware design efforts from conceptual layouts through detailed design.
Lead the design drafting efforts on programs including understanding and acting upon holistic program needs, delegating tasks to other designers and drafters, and having responsibility of the overall drawing release plan.
Conduct design trade studies, volume packaging and tolerance analysis
Plan, execute, develop, release and control product definition data (engineering models and drawings)
Partner with business team members and engineering teams to develop mutually agreeable design specifications and ensure they are met on final product
Work closely with technicians in the generation and assembly of prototype/engineering hardware and test equipment.
Create, maintain, and update engineering records and files as appropriate.
Perform ECR's and ECO's as required.
Work on SAP/SAR or similar closed programs on-site in secure areas
Perform other related duties as assigned.

Required Education, Experience, & Skills

  • Associate degree in engineering sciences field or equivalent work experience
  • 15 years of experience in the Design Drafting, Engineering or related fields
  • Minimum 3 years specifically assigned Senior role
  • Familiarity with comprehensive design process including conceptual development, physical design, support to procurement and manufacturing.
  • Familiar with standard manufacturing practices for the efficient fabrication of mechanical components and assemblies.
  • Ability to lead design efforts on complex technical hardware designs
  • Ability to delegate tasks to other designers and drafters
  • Ability to work effectively in a fast-paced and rapidly changing environment.
  • History of mentoring and leading peers
  • Strong understanding of GD&T in accordance with ASME Y14.5
  • Good written, verbal, and virtual communication skills.
  • Proficient using 3D solid modelling and related file management systems
  • Active DoD Security Clearance
  • Electro-Mechanical Packaging experience

Preferred Education, Experience, & Skills
  • Proficient using PTC CREO Parametric 12.0 or higher and PDMLink (Windchill) 11.0 or higher.
  • Proficient with ASME Y14.5-2018 GD&T, Military Standards, ASME Standards.
  • Experience with Dassault Systems 3D Experience PLM or other change management product databases.
  • History of leading small design teams while effectively communicating across program functional teams

Pay Information
Full-Time Salary Range: $118095 - $200762

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

About BAE Systems, Inc.
BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Salary : $118,095 - $200,762

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