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Sr Specialist, Mechanical Engineer (Space Optical Systems))

L3Harris Technologies

Engineering Jobs

Sr Specialist, Mechanical Engineer (Space Optical Systems))

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Sr Specialist, Mechanical Engineer (Space Optics)

Job Code: 31607

Job Location: Fort Wayne, IN

Job Schedule: 9/80 (Every other Friday off)

Relocation: Relocation assistance is available to qualified applicants

Job Description: 

This role will support the design and development of space borne precision optics, mirrors and mounts, and cryogenic optical systems for IR payloads.  Includes completing mechanical systems analysis, architecture definition, Specification and ICD development with supporting trade studies.  Job will include leading teams of engineers in accomplishing the above assignments.

Essential Functions: 

  • Strong knowledge of both technical and project/team management for the mechanical aspects of IR payloads
  • Mechanical systems leadership for IR payloads and subsystems from requirement allocations and flow downs to specification and interface definition and compliance verification
  • Detailed mechanical design skills of precision optics for IR payloads including optical mirrors, mirror mounts, windows, filters focal plane mounts and telescopes for cryogenic applications
  • Collaborate with Manufacturing and Procurement during the build and test of mechanisms
  • Leadership of small to mid-sized cross-functional design teams for IR payloads and mechanical subsystems
  • Strong communication skills for internal and external presentations and reviews
  • Author PDRs, CDRs, and other required design reviews
  • Perform trade studies to determine optimal designs
  • Assist with schedule, cost, and technical responsibility at the major subsystem level
  • Complete cost estimation for proposals
  • Responsible for directing and reviewing, the work of junior engineers and designers and technicians.
  • Participate in risk assessment and develop mitigation strategies for complex projects
  • Collaborate with other group leads and leaders within mechanical engineering to share engineers, process improvements and technical insights.
  • Collaborate across functions to minimize gaps in requirements, responsibilities and payload performance.
  • Up to 10% travel may be required

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Ability to obtain and maintain DOD Security Clearance
  • Experience in design and testing for space environments (i.e., temperature, vacuum, radiation, etc.)
  • 3+ years of experience in 3D CAD modeling using industry standard tools
  • Prior or current professional experience with focus and athermalizaton design experience
  • Optical alignment design experience

Preferred Additional Skills:

  • Active Secret Clearance is preferred
  • PTC Creo or Solidworks is strongly preferred
  • NASA 5017 and ABMA Standards knowledge
  • GD&T, tolerance stacks
  • Experience with Tribology
  • Prior COBRA or Orbis experience
  • Prior experience in developing aircraft structures or major sub-assemblies is strongly desired
  • Excellent people skills, with experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment
  • Experience with team leadership
  • Excellent communication skills (written, verbal, & presentation)
  • Prior electronics packaging experience
  • Strong hands-on capabilities, to include design, integration and alignment of IR optical systems.
  • Design experience in spaceborne IR optical systems

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Fort Wayne, IN, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Strong knowledge of technical and project/team management for mechanical aspects of IR payloadsintermediate
  • Detailed mechanical design skills of precision optics for IR payloads including optical mirrors, mirror mounts, windows, filters, focal plane mounts and telescopes for cryogenic applicationsintermediate
  • 3D CAD modeling using industry standard tools (3+ years)intermediate
  • PTC Creo or Solidworks (preferred)intermediate
  • GD&T, tolerance stacks (preferred)intermediate
  • Tribology (preferred)intermediate
  • NASA 5017 and ABMA Standards knowledge (preferred)intermediate
  • Optical alignment design experienceintermediate
  • Athermalization design experienceintermediate
  • Design experience in spaceborne IR optical systems (preferred)intermediate
  • Strong hands-on capabilities in design, integration and alignment of IR optical systems (preferred)intermediate
  • Excellent communication skills (written, verbal, & presentation)intermediate
  • Excellent people skills with experience leading and collaborating in multi-disciplinary teamsintermediate
  • Experience with team leadershipintermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of degree, minimum 10 years of prior related experience (experience)
  • Ability to obtain and maintain DOD Security Clearance (experience)
  • Experience in design and testing for space environments (temperature, vacuum, radiation) (experience)
  • Active Secret Clearance (preferred) (experience)
  • Prior COBRA or Orbis experience (preferred) (experience)
  • Prior experience in developing aircraft structures or major sub-assemblies (preferred) (experience)
  • Prior electronics packaging experience (preferred) (experience)

Responsibilities

  • Support design and development of space borne precision optics, mirrors and mounts, and cryogenic optical systems for IR payloads
  • Complete mechanical systems analysis, architecture definition, specification and ICD development with supporting trade studies
  • Lead teams of engineers
  • Mechanical systems leadership for IR payloads and subsystems from requirement allocations and flow downs to specification, interface definition and compliance verification
  • Collaborate with Manufacturing and Procurement during build and test of mechanisms
  • Leadership of small to mid-sized cross-functional design teams
  • Author PDRs, CDRs, and other design reviews
  • Perform trade studies to determine optimal designs
  • Assist with schedule, cost, and technical responsibility at major subsystem level
  • Complete cost estimation for proposals
  • Direct and review work of junior engineers, designers and technicians
  • Participate in risk assessment and develop mitigation strategies
  • Collaborate with other group leads and leaders within mechanical engineering
  • Collaborate across functions to minimize gaps in requirements, responsibilities and payload performance
  • Up to 10% travel

Benefits

  • general: 9/80 schedule (every other Friday off)
  • general: Relocation assistance available

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L3Harris Technologies logo

Sr Specialist, Mechanical Engineer (Space Optical Systems))

L3Harris Technologies

Engineering Jobs

Sr Specialist, Mechanical Engineer (Space Optical Systems))

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Sr Specialist, Mechanical Engineer (Space Optics)

Job Code: 31607

Job Location: Fort Wayne, IN

Job Schedule: 9/80 (Every other Friday off)

Relocation: Relocation assistance is available to qualified applicants

Job Description: 

This role will support the design and development of space borne precision optics, mirrors and mounts, and cryogenic optical systems for IR payloads.  Includes completing mechanical systems analysis, architecture definition, Specification and ICD development with supporting trade studies.  Job will include leading teams of engineers in accomplishing the above assignments.

Essential Functions: 

  • Strong knowledge of both technical and project/team management for the mechanical aspects of IR payloads
  • Mechanical systems leadership for IR payloads and subsystems from requirement allocations and flow downs to specification and interface definition and compliance verification
  • Detailed mechanical design skills of precision optics for IR payloads including optical mirrors, mirror mounts, windows, filters focal plane mounts and telescopes for cryogenic applications
  • Collaborate with Manufacturing and Procurement during the build and test of mechanisms
  • Leadership of small to mid-sized cross-functional design teams for IR payloads and mechanical subsystems
  • Strong communication skills for internal and external presentations and reviews
  • Author PDRs, CDRs, and other required design reviews
  • Perform trade studies to determine optimal designs
  • Assist with schedule, cost, and technical responsibility at the major subsystem level
  • Complete cost estimation for proposals
  • Responsible for directing and reviewing, the work of junior engineers and designers and technicians.
  • Participate in risk assessment and develop mitigation strategies for complex projects
  • Collaborate with other group leads and leaders within mechanical engineering to share engineers, process improvements and technical insights.
  • Collaborate across functions to minimize gaps in requirements, responsibilities and payload performance.
  • Up to 10% travel may be required

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Ability to obtain and maintain DOD Security Clearance
  • Experience in design and testing for space environments (i.e., temperature, vacuum, radiation, etc.)
  • 3+ years of experience in 3D CAD modeling using industry standard tools
  • Prior or current professional experience with focus and athermalizaton design experience
  • Optical alignment design experience

Preferred Additional Skills:

  • Active Secret Clearance is preferred
  • PTC Creo or Solidworks is strongly preferred
  • NASA 5017 and ABMA Standards knowledge
  • GD&T, tolerance stacks
  • Experience with Tribology
  • Prior COBRA or Orbis experience
  • Prior experience in developing aircraft structures or major sub-assemblies is strongly desired
  • Excellent people skills, with experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment
  • Experience with team leadership
  • Excellent communication skills (written, verbal, & presentation)
  • Prior electronics packaging experience
  • Strong hands-on capabilities, to include design, integration and alignment of IR optical systems.
  • Design experience in spaceborne IR optical systems

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Fort Wayne, IN, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Strong knowledge of technical and project/team management for mechanical aspects of IR payloadsintermediate
  • Detailed mechanical design skills of precision optics for IR payloads including optical mirrors, mirror mounts, windows, filters, focal plane mounts and telescopes for cryogenic applicationsintermediate
  • 3D CAD modeling using industry standard tools (3+ years)intermediate
  • PTC Creo or Solidworks (preferred)intermediate
  • GD&T, tolerance stacks (preferred)intermediate
  • Tribology (preferred)intermediate
  • NASA 5017 and ABMA Standards knowledge (preferred)intermediate
  • Optical alignment design experienceintermediate
  • Athermalization design experienceintermediate
  • Design experience in spaceborne IR optical systems (preferred)intermediate
  • Strong hands-on capabilities in design, integration and alignment of IR optical systems (preferred)intermediate
  • Excellent communication skills (written, verbal, & presentation)intermediate
  • Excellent people skills with experience leading and collaborating in multi-disciplinary teamsintermediate
  • Experience with team leadershipintermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of degree, minimum 10 years of prior related experience (experience)
  • Ability to obtain and maintain DOD Security Clearance (experience)
  • Experience in design and testing for space environments (temperature, vacuum, radiation) (experience)
  • Active Secret Clearance (preferred) (experience)
  • Prior COBRA or Orbis experience (preferred) (experience)
  • Prior experience in developing aircraft structures or major sub-assemblies (preferred) (experience)
  • Prior electronics packaging experience (preferred) (experience)

Responsibilities

  • Support design and development of space borne precision optics, mirrors and mounts, and cryogenic optical systems for IR payloads
  • Complete mechanical systems analysis, architecture definition, specification and ICD development with supporting trade studies
  • Lead teams of engineers
  • Mechanical systems leadership for IR payloads and subsystems from requirement allocations and flow downs to specification, interface definition and compliance verification
  • Collaborate with Manufacturing and Procurement during build and test of mechanisms
  • Leadership of small to mid-sized cross-functional design teams
  • Author PDRs, CDRs, and other design reviews
  • Perform trade studies to determine optimal designs
  • Assist with schedule, cost, and technical responsibility at major subsystem level
  • Complete cost estimation for proposals
  • Direct and review work of junior engineers, designers and technicians
  • Participate in risk assessment and develop mitigation strategies
  • Collaborate with other group leads and leaders within mechanical engineering
  • Collaborate across functions to minimize gaps in requirements, responsibilities and payload performance
  • Up to 10% travel

Benefits

  • general: 9/80 schedule (every other Friday off)
  • general: Relocation assistance available

Target Your Resume for "Sr Specialist, Mechanical Engineer (Space Optical Systems))" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Sr Specialist, Mechanical Engineer (Space Optical Systems)). Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Sr Specialist, Mechanical Engineer (Space Optical Systems))" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Answer 10 quick questions to check your fit for Sr Specialist, Mechanical Engineer (Space Optical Systems)) @ L3Harris Technologies.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

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