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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

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Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.

Leidos Defense Space Business Area is seeking a** Senior Optical Engineer** to support the Emerging Space Systems Division in developing optical payload systems for the Space Force, including missions such as Overhead Persistent Infrared (OPIR), Space Control, and Space-Based Sensing. Leidos programs are funded by multiple U.S. government sponsors as well as internal research and development (IR&D) efforts. The optical engineer will also contribute to responses for government-issued proposals related to optical imaging systems operating in the visible and infrared spectrum. Upon contract award, responsibilities include system conceptualization, optical design, performance analysis, payload construction, testing, and integration.

The candidate should be able to conceptualize optical designs and oversee their mechanical implementation into qualified flight instruments, with demonstrated proficiency in mechanical modeling for proposal and concept development. The candidate should understand radiometric requirements, optical performance specifications, and payload hardware development to design optical systems using Zemax. A strong understanding of aberration theory and its impact on system performance is required.

The candidate should also be proficient in optical tolerancing, athermalization analysis, and lens manufacturing methods and drawing standards. Experience in stray light control, Structural Thermal Optical Performance (STOP) analysis, and laboratory testing and evaluation is required. Additionally, knowledge of infrared lens design and reflective optical system design is essential.

Basic Qualifications

• Bachelor of Science degree with 12+ years of prior relevant experience or Master of Science with 10+ years of prior relevant experience. May possess a Doctorate in a relevant technical domain.

• Infrared and Visible lens design using Zemax experience required.

• Knowledge of how electro-optical systems are designed, specified, developed, manufactured, and tested including Focal Plane Arrays, bandpass filter performance, AR coating, and Lyot stop implementation.

• Experience in prototype and production development, including testing and demonstrations.

• Knowledge and experience in laboratory alignment, testing, and evaluation.

• Working knowledge of MS Office applications, Mat Lab, and Solidworks.

• Effective communication, coordination, and customer engagement skills.

• Ability to work in a fast paced, dynamic, and team environment.

• Minimum of an active SECRET security clearance with the ability to obtain a TS/SCI clearance.

Preferred Qualifications

• Stray light performance analysis using FRED

• Bandpass and AR coating development

• Radiometric modeling

• Manufacturing and assembly process knowledge

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 25, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.