EO/IR Integration and Test Engineer

NCSL International; Huntsville, Northern (AL, KY); Hybrid; USD 70,000 - 126,000; Full time

Job summary

Leidos seeks an EO/IR Integration & Test Engineer in Huntsville to lead integration of sensor subsystems across electrical, mechanical, and optical domains. You will develop and execute integration and test plans, perform system-level calibration, and coordinate across engineering teams to ensure performance meets specifications.

Applicants should have a physics/engineering degree with 2–4 years of experience (or a related master's), hands-on EO/IR exposure, and the ability to obtain/maintain a

Qualifications

• Bachelor's or Master's in a relevant field with required years of experience; 2–4 years for bachelor's track, or a Master's with less than 2 years' experience.
• Experience in EO/IR sensor systems or related electro-optical technologies.
• Experience across electrical, mechanical, and optical engineering disciplines.
• Understanding of EO/IR sensor components including detectors, optics, electronics, and mechanical assemblies.
• Experience with system-level testing, integration procedures, and validation methodologies.
• Proficiency with EO/IR test equipment (optical benches, thermal imaging, signal analyzers).
• Excellent problem-solving and attention to detail.
• Must be a US citizen and able to obtain/maintain a Final Secret/Secret clearance; willing to relocate to Huntsville, AL.

Responsibilities

• Integration of EO/IR sensor systems, coordinating across electrical, mechanical, and optical engineering disciplines.
• Interface with cross-functional teams to ensure seamless integration of hardware, software, and optical components.
• Develop and execute integration and test plans for complex sensor systems, ensuring performance specifications.
• Conduct system-level testing, calibration, and validation of EO/IR sensors in lab and field environments.
• Troubleshoot and resolve multi-disciplinary integration issues across electrical, mechanical, thermal, and optical domains.
• Manage technical interfaces between detectors, optics, electronics, and mechanical assemblies.
• Document integration processes, test procedures, results, and specifications for records.
• Participate in design reviews and integration reviews; contribute to continuous improvement.
• Support system commissioning, acceptance testing, and delivery activities.

Skills

EO/IR integration

Systems engineering

Cross-disciplinary collaboration

Test & calibration

Problem solving

Security clearance readiness

Education

Bachelor's degree in Physics, Electrical, Mechanical, Optical, or Systems Engineering

Tools

Optical test benches

Thermal imaging equipment

Signal analyzers

Linux/Ubuntu

Job description

The Sensor Systems Analysis and Engineering Portfolio at Leidos is seeking a highly motivated EO/IR Integration & Test Engineer to join our dynamic team in the development of cutting-edge EO/IR sensor systems. This role is critical in supporting the cross-functional integration and testing of advanced electro-optical and infrared sensor systems that enhance our capabilities in defense and aerospace applications. The ideal candidate will have a background in systems integration across electrical, mechanical, and optical domains, with a passion for innovative technology and proven experience in the development or integration of electro-optical technology.

Our program focuses on the development of state-of-the-art EO/IR sensor systems that are integral to modern defense solutions. These systems are designed to provide enhanced target detection and tracking capabilities, ensuring superior performance in various operational environments. As part of our team, you will contribute to the advancement of technologies that protect and serve and work alongside a skilled team of engineers, scientists, and software developers to design and develop new and existing solutions to support future fielded systems.

Primary/Daily Responsibilities:

• Integration of EO/IR sensor systems, coordinating across electrical, mechanical, and optical engineering disciplines.
• Interface with cross-functional teams to ensure seamless integration of hardware, software, and optical components.
• Develop and execute integration and test plans for complex sensor systems, ensuring compliance with performance specifications and requirements.
• Conduct system-level testing, calibration, and validation of EO/IR sensors in laboratory and field environments.
• Troubleshoot and resolve multi-disciplinary integration issues spanning electrical, mechanical, thermal, and optical domains.
• Manage technical interfaces between subsystems, including detectors, optics, electronics, and mechanical assemblies.
• Document integration processes, test procedures, test results, and technical specifications for project records.
• Participate in design reviews, integration reviews, and contribute to continuous improvement initiatives.
• Support system commissioning, acceptance testing, and delivery activities.

Basic Qualifications:

• Bachelor's degree in Physics, Electrical Engineering, Mechanical Engineering, Optical Engineering, Systems Engineering, or a related field, and 2 - 4 years of prior relevant experience; or Masters with less than 2 years of prior relevant experience; Additional education, experience or training will be considered in lieu of degree.
• Experience in systems integration, with specific focus on EO/IR sensor systems or related electro-optical technologies.
• Proven experience working across multiple engineering disciplines (electrical, mechanical, optical).
• Understanding of EO/IR sensor components including detectors, optics, electronics, and mechanical assemblies.
• Experience with system-level testing, integration procedures, and validation methodologies.
• Proficiency with test equipment and instrumentation relevant to EO/IR systems (e.g., optical test benches, thermal imaging equipment, signal analyzers).
• Excellent problem-solving skills and attention to detail.
• Must be a resident or willing to relocate to the Huntsville, AL area.
• Candidate must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance or meet the eligibility to obtain (and maintain) a Secret Clearance.

Preferred Qualifications:

• Experience with infrared sensor technology, seeker systems, and targeting systems.
• Knowledge of thermal management and environmental testing for sensor systems.
• Experience with military standards and regulations related to defense systems (e.g., MIL-STD-810, MIL-STD-461).
• Familiarity with Ubuntu or other Linux-based operating systems.
• Knowledge of software programming languages (e.g., Python, MATLAB, C/C++) for test automation and data analysis.

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:

September 8, 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 $69,550.00 - $125,725.00

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail]. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.