Scientist, Optical Systems Engineering
The posting names a Secret clearance.
The posting offers a 9/80, 4/10 or other compressed week. More with a 9/80 schedule
About the role
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 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 Schedule: 9/80 (Every other Friday off)
****
Job Description
This role is part of the L3Harris (LHX) Space Systems Sector within the Space and Mission Systems (SMS) Segment. SMS is the largest and the fastest growing segment within LHX and well postured for continued growth and success in the domain. The products we develop perform a variety of missions for our customers with both space-based and ground-based applications. The Systems Engineers that support these missions lead the technology across the entire system lifecycle. They engage in all the of critical phases and milestone reviews including pursuit, SDR, PDR, CDR, TRR, PSR, and system operation.
The Optical Systems Engineer will support the larger program team performing critical functions such as requirements management, interface management, system design, risk and opportunity management, verification planning, test planning, and leading multiple event-based activities such as RCCAs, FRBs, MRBs, and addressing any open action items. All Systems Engineers must be able to work and lead in collaborative environments, fostering the success of the overall team.
This position is located in Palm Bay, FL: https://careers.l3harris.com/en/florida
Essential Functions
- Responsible for applying optical communications and electrical engineering principles to hardware development.
- Review, develop, analyze, and allocate system requirements for free‑space optical communication links and ground terminals.
- Develop and run performance models, including link budgets, pointing/acquisition/tracking simulations, and mitigation techniques such as adaptive optics.
- Integrate optical terminals into satellite architectures and collaborating with cross‑functional engineering teams on design, testing, and validation.
- Oversee space hardware development and testing activities.
- Responsible for leading complex technical teams and programs to successfully deliver hardware on schedule and within scope.
- Manage and verify system and component requirements using tools such as DOORS or Jama.
- Managing subcontractors, authoring Statements of Work, and ensuring compliance with program obligations.
- Responsible for supporting system, module, and sub‑assembly testing; troubleshooting; defect resolution; and continuous product and test process improvement.
- Responsible for evaluating customer needs, conducting design trades, assessing and mitigating program risks, and leading technical input for business pursuits.
- Must be able to obtain a US DoD Secret security clearance
Qualifications
- Bachelor’s Degree and minimum 12 years of prior relevant experience in related fields. Graduate Degree and a minimum of 10 years of prior related experience. In lieu of a degree, minimum of 16 years of prior related experience.
- Experience with optical design, integration, and test of optical assemblies.
- Experience leading technical teams.
Preferred Additional Skills
- Familiarity with the Space Development Agency (SDA) OCT Standard
- Experience with MATLAB for data analysis and automation of testing procedures.
- Familiarity with evaluating and selecting vendors to supply critical components for advanced systems.
- Experiences with earned value management
- Experience in using Zemax and/or Code V optical software for advanced design and analysis purposes.
- Experience with FRED or similar stray light analysis software for evaluating and mitigating optical system interference.
- Active DoD Secret Security Clearance.
#LI-KB1
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 .
Copied from the listing L3Harris published, verified 31 Oct 2026.
About L3Harris
Satellites, space sensors and rocket engines, inside a defense and aerospace prime.
Similar open roles

Manager, Information Security Management (opens the job details)
SES · Software & IT · Bucharest, Romania· 1d agoDetails

Security Officer (opens the job details)
Blue Origin · Supply Chain · Greater Seattle Area· 2w agoDetails
$21.03–$29.44/hr
Dream Chaser Flight Controller (Systems Engineer II) (opens the job details)
Sierra Space · Launch & Ops · Louisville, CO, United States· 4mo agoDetails
$94,090–$129,394.75/yr

Industrial Security Manager (opens the job details)
Millennium Space Systems · Supply Chain · El Segundo, CA· 1d agoDetails
$119,000–$175,000/yr
Experienced in Science, Imaging & Earth Data?
Space employers come to us looking for a particular skill, location or credential. Leave your details one time, at no cost, and we put you forward when a role matches, never without your yes.
L3Harris openings, sent to your inbox
Each week we send what L3Harris posted since the last email, with comparable openings at other space companies. No cost, and you can stop it with one click.
Hiring for L3Harris? Feature this role to get a marked Featured slot above the lists and the lead place in the weekly job email for 30 days. Pricing:$99 for a single role, or $299 to cover every role you have open. To see who else is hiring your disciplines and at what pay, read the monthly space hiring brief.