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Description

The Leidos Human Health and Performance Contract (HHPC) Team supporting the NASA Johnson Space Center is seeking top scientists, engineers, technologists, and mission professionals to join a multidisciplinary team supporting human health, performance, and mission success in some of the most complex operational environments in the world. Our work directly enables safe, effective, and sustainable human spaceflight and high-risk operations through the integration of science, engineering, and real-time mission support.

The Leidos team on HHPC provides end-to-end human health and performance support for government and commercial spaceflight missions. We support our customers by integrating biomedical research, operational medicine, human systems engineering, data and analytics, and mission operations into a cohesive, mission-ready capability.

Our HHPC work spans research development, operational execution, and long-term sustainment, supporting activities from pre-mission planning through real-time operations and post-mission analysis. Work is conducted in a highly regulated, safety-critical environment that requires technical rigor, disciplined execution, and close collaboration with customer stakeholders and mission partners.

Leidos specialized Areas of Support

The program delivers services across the following specialized domains:

+ **Biomedical Research Operations** Planning, executing, and sustaining human health and performance research across ground, analog, and flight environments, including protocol development, study execution, data collection, and compliance.

+ **Space Food Systems** Development, testing, qualification, and operational support of space food systems to ensure nutritional adequacy, safety, crew acceptance, and long-duration mission viability.

+ **Human Systems Integration (HSI)** Integration of human performance, habitability, workload, and usability considerations into system design, mission operations, and operational requirements to optimize crew safety and effectiveness.

+ **Engineering** Systems, biomedical, and operations engineering supporting hardware, software, and mission systems across the full lifecycle, from concept through sustainment.

+ **IT, Data, and Analytics** Design, operation, and sustainment of secure information systems, data pipelines, analytics platforms, and digital tools that enable research, operations, and decision-making.

+ **Space Radiation** Research, modeling, monitoring, and operational support related to radiation exposure, risk assessment, and mitigation strategies for crewed missions.

We are looking for professionals who are mission-driven, technically strong, and comfortable operating at the intersection of science, engineering, and operations. Depending on your background and specialty, you may:

+ Execute and support human health and performance research in laboratory, analog, or operational environments

+ Develop, test, and sustain systems and processes that directly support crewed missions

+ Translate research findings into operational requirements and mission-ready capabilities

+ Collaborate with multidisciplinary teams, customer stakeholders, and mission partners

+ Support real-time or near-real-time operations in a safety-critical environment

+ Contribute to continuous improvement of technical processes, tools, and capabilities

Roles range from early-career contributors to senior technical leaders, with opportunities to work on high-visibility, mission-impacting efforts.

Required Qualifications

+ Bachelor’s degree in a relevant field such as engineering, physical sciences, life sciences, computer science, or a related discipline. Additional years of experience may be considered in lieu of degree. A Master's degree or PhD may be considered work experience.

+ Experience working in a technical, research, engineering, or operational environment

+ Ability to work effectively in multidisciplinary teams

+ Strong written and verbal communication skills

+ Ability to work in a regulated, compliance-driven environment

Desired Qualifications

+ Advanced degree (Master’s or PhD) in a relevant discipline

+ Experience supporting aerospace, spaceflight, biomedical research, defense, or other safety-critical programs

+ Familiarity with human health and performance, human factors, systems engineering, or mission operations

+ Experience with data systems, analytics, modeling, or simulation

+ Prior experience working with government customers or on large, complex contracts

+ Prior experience working on HHPC or its predecessors

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:

December 22, 2025

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

The Leidos pay range for this job level is a general guideline onlyand 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.

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 [email protected] .

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 (https://reportfraud.ftc.gov/#/) .

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.

REQNUMBER: R-00172055-OTHLOC-PL-2D2884

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.