Space Nuclear Monitoring Specialist - Senior Technical Advisor

***Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required.*** Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candidate will demonstrate exceptional initiative and critical thinking in evaluating strategic efforts to prevent nuclear proliferation. This is a full-time, on-site position located in the Washington, DC NNSA offices. Primary Responsibilities: Utilize advanced remote detection techniques and space-based assets to analyze complex sensor data, identifying, characterizing, and localizing nuclear activities for nonproliferation purposes. Provide expert review and evaluation of proposals, white papers, and technical documents focusing on space monitoring for nuclear nonproliferation and develop new thought leadership on emerging space-based nuclear monitoring technologies. Deliver comprehensive technical evaluations of program work, attend conferences to inform federal managers of advancements, and offer strategic guidance on applying space-based remote detection for nuclear nonproliferation. Proactively identify and solve challenges in space nuclear monitoring, working closely with experts in space systems, nonproliferation policy, and intelligence to integrate findings and enhance global security. Required Qualifications: Must have an active DOE Q clearance with no impedance to being read into Secure Compartmented Information (SCI). Bachelor’s degree from an accredited university in a related field with 12+ years related experience in signal processing/remote sensing, or a Masters degree with 10+ years of related experience in signal processing/remote sensing. Demonstrable experience providing technical support and strategic guidance to Federal Agencies space nuclear monitoring initiatives. Comprehensive knowledge of professional principles, practices, techniques, and procedures in space-based remote detection of nuclear activities. This includes extensive experience with designing, developing, and analyzing systems for information extraction from space-based sensors. Excellent analytical and written communication skills, with the proven ability to articulate complex technical information to diverse audiences, including senior leadership. Preferred Qualifications: PhD from an accredited university in a related field. Direct experience with current and emergent space-based nuclear detection systems and data. In-depth familiarity with nuclear fuel cycles, weapons physics, and forensics relevant to space-based detection. Salary Range for this position: $180K to $190K 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: June 24, 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. 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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit 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 here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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.