Senior Principal Opto-Mechanical Engineer

Job Description
Thank you for your interest in BAE Systems! This opening is included as part of our June 2026 Countermeasure & Electromagnetic Attack Solutions Engineering Hiring Event. While we encourage all interested professionals to apply, please note that this is a selection-based interview event for candidates whose skills and experience match our hiring needs. If your background and skill set match these needs, we will reach out with next steps. If selected for an interview, specific opportunities based on your interests, experience, and skill set will be discussed with the hiring team. For candidates not local to the southern NH area, virtual interviews will be accommodated.
BAE Systems is currently looking for a talented Senior Principal Optical - Mechanical Engineer to join our EO/IR Capability Group. This group comprises a team of expert Optical, Electro-Optical, Opto-mechanical and Laser specialists dedicated to developing innovative hardware solutions that drive the success of our program portfolio.
BAE Systems is seeking a proactive Sr. Principal Optical - Mechanical Engineer with analytical capabilities and demonstrated technical expertise. This individual will provide leadership and support to the design, development, integration/test, and production of dynamic optomechanical military systems. The engineer will work closely with hardware integrated into a variety of complex IR technology products including lasers, receivers, sensors, as well as multi-axis beam directors/gimbals.

• Demonstrated experience in product development and support of DoD military electronics equipment
• Leadership of HW engineering teams in the design & development of military systems
• Working experience packaging with EO/IR products such as; lasers, receivers, fiber optics, and/or related IR technologies
• Solid fundamentals of mechanical design, analysis, and documentation principles
• Experience with state-of-the-art mechanical engineering development software tools

• Strong written and verbal communication skills including development of engineering documentation and presentations

• Motivated self-starter and problem solver with proven experience executing in multi-disciplinary teams
• Strong computer skills in basic MS office and technical programs
• Knowledge of engineering development processes
• Eligible to obtain a DOD Security Clearance

Hybrid: Onsite 3 days per week
Required Education, Experience, & Skills
Requires:

• Bachelor's degree in Mechanical Engineering and 10+ years experience (8+ years with a masters degree)
• Demonstrated experience in product development and support of DoD military electronics equipment
• Leadership of HW engineering teams in the design & development of military systems
• Working experience with lasers, receivers, fiber optics, and/or related IR technologies
• Solid fundamentals of mechanical design, analysis, and documentation principles
• Experience with state-of-the-art mechanical engineering development software tools

• Strong written and verbal communication skills including development of engineering documentation and presentations

• Motivated self-starter and problem solver with proven experience executing in multi-disciplinary teams
• Strong computer skills in basic MS office and technical programs
• Knowledge of engineering development processes
• Eligible to obtain a DOD Security Clearance

Preferred Education, Experience, & Skills
Preferred:

• Knowledge/experience with optomechanical designs & developments
• Knowledge of MIL specs & standards, industry standards including ASTM, SAE, DO
• Experience in the design/development of active motion controlled hardware
• Experience in the design and manufacture of electronic circuit card assemblies
• ANSYS Workbench/Mechanical, PTC Creo, MATLAB/Simulink, Siemens NX, ANSYS Icepak
• Knowledge of design for manufacturing (DFM) principles

Pay Information
Full-Time Salary Range: $132962 - $226035
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 the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems' game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere - from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact - for our customers and the communities we serve.
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.