Senior Information Systems Security Officer (ISSO)

Job Description

Description

Leidos is seeking a highly experienced Senior Information Systems Security Officer (ISSO) to support the Eagle Command Program in Springfield, VA. This position requires an active TS / SCI clearance with polygraph. The ISSO will lead the development, implementation, and oversight of security standards and procedures for complex, classified networked environments, ensuring compliance with federal and industry security policies, and driving the process to achieve and maintain Authority to Operate (ATO) for highly sensitive systems.

Key Responsibilities (based on most recent job duties) :

• Determine and document information security requirements for Eagle Command Program systems, allocating resources as part of mission, business process, and capital investment planning.
• Lead and manage the system development lifecycle (SDLC), ensuring information security requirements are incorporated and roles / responsibilities are clearly defined throughout the SDLC.
• Oversee acquisition planning for IT systems, ensuring security and privacy requirements, assurance mechanisms, and supply chain risk management are addressed in all procurement activities.
• Develop, implement, and maintain organization-wide information security programs, policies, and procedures, supporting investigations regarding violations.
• Coordinate cybersecurity incident response and review vulnerability management results across the organization.
• Document and maintain System Security Plans, ensuring controls are in place and updated to address company changes and risks.
• Lead risk assessments, configuration management, and security authorization processes, including POA&M tracking and security assessment planning.
• Serve as a key advisor for system owners, supporting the development and deployment of compliant software, hardware, and services.
• Communicate current enterprise cybersecurity threat status and serve as the final authority for exception to policy requests.

Required Qualifications :

Preferred Qualifications :

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 : December 11, 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 $107,900.00 - $195,050.00

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-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.