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Mechanical Engineer - Principal

BAE Systems

On-site
Greenlawn, NY
Full-time
Principal
8+ yrs
$129k–$219kPosted 58m ago

Real job — pulled straight from BAE Systems’s careers page · Verified September 9, 2026 · No reposts.

Job description

BAE Systems is hiring a Mechanical Engineer - Principal — a full-time, based in Greenlawn, NY role ($129k–$219k). Apply directly on BAE Systems's careers page below.

Mechanical Engineer - Principal

Location: Greenlawn, New York, United States

Category: Engineering & Technology

Employment Type: Full-Time


Job Description
See what you’re missing. Our employees work on the world’s most advanced electronics – from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we’re innovating for the future. And you can, too. Our flexible work environment provides you a chance to change the world without giving up your personal life. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.” Sound like a team you want to be a part of? Come build your career with BAE Systems.

In Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) Systems, you’ll help develop systems that sense, control, exploit and disseminate actionable information to warfighters supporting a variety of missions.

Our team is looking for a Mechanical Engineer to support our team in Greenlawn, New York.

Responsibilities include, but are not limited to:
  • Support Product Design and Development: Contribute to the design, development and selection of hardware components utilizing mechanical engineering principles, theories and techniques. Assigned duties may include design and development of specific packaging modules, mechanisms, components or subsystems to meet design requirements. Provide technical direction to design support personnel. Receive limited direction and instruction from senior engineering staff.
  • Perform Mechanical Analyses: Maintain up-to-date working knowledge of company standard analysis tools. Assure adequate analysis to achieve performance objectives. Perform static, dynamic and heat transfer analyses of mechanical structures. Analyze data and document results.
  • Coordinate Validation of Design. Coordinate the fabrication and environmental testing of design hardware. Design and procure prototype hardware. Coordinate the environmental testing of hardware including: vibration, shock, thermal, fatigue and others as required. Review and document results. Assist in product transition to Operations as required.
  • Prepare Documentation: Generate, review and approve the technical content of drawings, engineering specifications, reports and other documentation associated with the mechanical design. Prepare design review packages and present for internal review.
  • Support Continuous Improvement: Ensure compliance with IEWS' Quality System and the Mechanical Design Process. Maintain up-to-date knowledge of developments in mechanical engineering disciplines. Recommend improvements that produce cost effective and producible designs.


Required Education, Experience, & Skills
  • Bachelor’s degree in Mechanical Engineering
  • 8-12 years of working in an engineering environment
  • Experience with 3D Modeling using CREO or similar CAD software
  • Experience with Thermal and Structural Finite Element Analysis
  • Experience with Environmental Qualification testing
  • Experience with Reliability based design and/or Design assurance testing


Preferred Education, Experience, & Skills
  • Model Based Definition (MBD) within CREO
  • Exposure to Radar, RF, Microwave, and/or Electronic Warfare Systems
  • Strong interpersonal skills including team collaboration, presentation, organizational, verbal and written communication skills


Pay Information
Full-Time Salary Range: $128831 - $219012

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 Electronic Systems
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.

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Frequently asked questions

What is the salary for Mechanical Engineer - Principal at BAE Systems?

The estimated salary range for Mechanical Engineer - Principal at BAE Systems is $129,000 - $219,000 USD per year.

What skills are required for Mechanical Engineer - Principal at BAE Systems?

The required skills for Mechanical Engineer - Principal at BAE Systems include: Mechanical Engineering, Creo.

What is the seniority level for Mechanical Engineer - Principal at BAE Systems?

Mechanical Engineer - Principal at BAE Systems is a Principal level position.

How do I apply for Mechanical Engineer - Principal at BAE Systems?

You can view the full description and apply for Mechanical Engineer - Principal at BAE Systems on EchoJobs: https://echojobs.io/job/bae-systems-mechanical-engineer-principal-hoirt.