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Sr Specialist, Opto-Mechanical Engineer; Space optical systems Security Clearance

Job in Wilmington, Middlesex County, Massachusetts, 01887, USA
Listing for: L3Harris Technologies
Full Time position
Listed on 2026-02-14
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer, Aerospace / Aviation / Avionics, Engineering Design & Technologists
Job Description & How to Apply Below
Position: Sr Specialist, Opto-Mechanical Engineer (Space optical systems) with Security Clearance
L3

Harris 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. L3

Harris 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. L3

Harris is the Trusted Disruptor in defense tech. 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, Opto-Mechanical Engineer (Space optical systems) Job Code: 34115

Job Location:

Wilmington, MA (On-Site)

Job Schedule:

9/80 Reg (Every other Friday off!) Relocation:
Relocation assistance is available to qualified applicants

Job Description:

L3

Harris is seeking a highly skilled and dynamic senior Mechanical Engineer to support customer-funded programs and internal research efforts within our Space, Superiority and Imaging Division. Our Intelligence, Surveillance, and Reconnaissance solutions serve a broad array of government, civil, and commercial customers by enhancing information superiority, contributing to our national security and providing actionable data for the protection of property and human life.

We specialize in high-reliability airborne and space-based remote sensing payloads that offer active and motion imaging and data processing, exploitation and dissemination. We also provide solutions that map and monitor the earth for a variety of commercial and governmental users. Mechanical Engineer to perform design, development, analysis, and manufacturing tasks on complex precision mechanical components in a program team environment.

Program support and technical leadership over requirements definition, concept generation, material and finish selection, trade studies, design sensitivity/optimization studies, preliminary and detailed design, design sensitivity and tolerance analysis, design documentation, Bill of Materials (BOM) management, and assembly/integration and testing. Candidate must have strong proficiency in 3D modeling, design for manufacturing, and ability to work independently or within a multi-disciplined team environment.

In this role the candidate will:
* Design high-precision and complex space opto-mechanical telescopes hardware as part of an Integrated Product Team (IPT). Hardware variety spans machined components, composite structures, deployable mechanisms, opto-mechanical support structure, and thermal blankets for space structures.

* Leverage high reliability, flight-proven, heritage design concepts to produce high quality designs within an aggressive timeline

* Create/modify CAD models using top-down modeling techniques using CREO.

* Interface with outside suppliers/customers and other engineering disciplines to drive designs to closure (Structural, Thermal, Electrical, Manufacturing, Integration and Testing,, Quality, Configuration Management).

* Present design details at program reviews to customers and independent reviewers.

* Develop and perform testing to show proof-of-concept and/or qualification of new designs.

* Support production operations with design of tooling, test equipment, and shop aids.

* Provide regular status updates to Program Management and Project Engineers on cost and schedule performance.

Essential Functions:

* Responsible for establishing key performance error budgets.

* Design and release strain-free mounted mirror assemblies and drawings.

* Proven ability to leverage high reliability, flight-proven, heritage design concepts in order to produce high-quality novel designs within an aggressive timeline.

* Defines and establishes the technical approach to meet assigned objective. Including

* Strong proficiency in tolerance stack-up analysis for mechanical designs

* Directs, coordinates and provides assistance to engineering team in order to meet assigned objectives.

* Prepares reports, formal documentation and…
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