Description
Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
This position is eligible for a 15k Sign on Bonus
Position Summary:
The Information System Security Officer (ISSO)/System Engineer is responsible for ensuring the confidentiality, integrity, and availability of information systems. This role involves implementing and maintaining security policies, conducting risk assessments, and ensuring compliance with federal and organizational cybersecurity standards. Our ideal candidate possesses strong knowledge of cybersecurity frameworks, experience with security tools, technologies, and excellent communication skills to collaborate across technical and non-technical teams.
Primary Responsibilities:
- Supports IA programs through RMF, NISCAP, STE/STN, LATTEART, BISCOTTI, and XACTA compliance; manages SSPs, risk assessments, and C&A documentation to ensure secure system operations.
- Leads full lifecycle engineering from requirements derivation to design, integration, verification, and sustainment; ensures alignment with DoDAF and SOA architectures and maintains system baseline integrity.
- Prepares and reviews SSPs, SRTMs, and C&A packages; evaluates security solutions and manages configuration changes to maintain operational security posture.
- Oversees CM for security software, hardware, and firmware; assesses security impact of system changes and coordinates cross-discipline resolutions via CCBs and design reviews.
- Experienced in Linux/Windows system administration, RF system configuration, FORNSAT, Tactical SIGINT, and data flow analysis within collection environments.
- Skilled in network administration and coordinating system integration across multiple teams to ensure complete interface coverage and technical cohesion.
- Conducts quantitative assessments in reliability, survivability, and vulnerability; defines verification methods and evaluation criteria to ensure system effectiveness and mission readiness.
Qualifications:
- Fourteen (14) years' of Information Security experience supporting programs and contracts of similar scope, type and complexity is required.
- Bachelor’s degree in Systems Engineering (SE), Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor's degree.
- Compliance with DoD 8570.01-M with a minimum certification of IAM Level I is required.
- Security Clearance requirement: Must possess active TS/SCI with polygraph clearance
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NSSPF
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:
October 14, 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 $126,100.00 - $227,950.00
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.
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 LeidosCareersFraud@leidos.com.
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-Descrimination
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.
