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Senior Principal II Opto-Mechanical Engineer

BAE Systems

Merrimack, NH · HybridFull-time$150–254K/yrSeen 1w agoSeen in employer's feed 1w ago

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At a glance

Compensation
$150–254K/yr
Location
Merrimack, NHHybrid
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Security clearance

Job overview

BAE Systems seeks a Senior Principal Optical-Mechanical Engineer for its EO/IR Capability Group, supporting the design, development, integration, testing, and production of optomechanical military systems. The role works with complex infrared products, including lasers, receivers, sensors, and multi-axis beam directors or gimbals. It requires a bachelor’s degree in Mechanical Engineering and 12 years of experience, or a master’s degree and 10 years, and is hybrid with three onsite days per week.

Skills & qualifications

RequiredNice to have

Skills

DoD Electronics Product DevelopmentHardware Team LeadershipMilitary Systems DesignLaser and Receiver PackagingFiber OpticsMechanical DesignMechanical AnalysisEngineering DocumentationMechanical Engineering SoftwareComputer-Aided DesignFinite Element AnalysisGeometric Dimensioning and TolerancingWritten CommunicationVerbal CommunicationProblem SolvingMultidisciplinary TeamworkMicrosoft OfficeTechnical ProgramsEngineering Development ProcessesOptomechanical DesignMIL Specifications and StandardsASTM StandardsSAE StandardsDO StandardsActive Motion-Controlled HardwareElectronic Circuit Card Assembly DesignElectronic Circuit Card Assembly ManufacturingANSYS WorkbenchANSYS MechanicalPTC CreoMATLABSimulinkSiemens NXANSYS IcepakDesign for Manufacturing

Qualifications

Bachelor's in Mechanical Engineering or Master's in Mechanical Engineering12 Years Experience or 10 Years With Master'sDoD Security Clearance Eligibility

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave

Full job description

Job Description

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 12 years experience (10 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 (CAD)

  • Familiarity with Finite Element Analysis (FEA)

  • Familiarity with geometirc dimensioning and tolerancing (GD&T)

  • 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: $149603 - $254317

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.

Senior Principal II Opto-Mechanical Engineer

131099BR

EEO Career Site Equal Opportunity Employer. Minorities . females . veterans . individuals with disabilities . sexual orientation . gender identity . gender expression

How this job compares

Set against the 7,534 open Mechanical Engineer jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This posting$150–254K/yr
  • New Hampshire median$118–196K/yr39 salary ranges
  • US median$106–160K/yr4,505 salary ranges

This range's midpoint, $202K, is 30% above the New Hampshire median midpoint ($156K) — in the top quarter of Mechanical Engineer salary ranges in New Hampshire.

Openings
Olive Jobs lists 47 open Mechanical Engineer jobs in New Hampshire and 7,534 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in New Hampshire
Experience
This posting asks for at least 10 years of experience — more than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,231 postings).
Education
5,295 of the 7,534 open Mechanical Engineer jobs (70%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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