• Job Description

  Req#: R-00158600

  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 Leidos Pay and Benefits , including 4 or more weeks 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!

  Job Summary:

  The Senior Information Systems Security Officer (ISSO) plays a crucial role in maintaining and securing the organization's information systems by implementing and managing comprehensive security measures. You will support this exciting, massive, multi-year contract at our customer site in Annapolis Junction, MD. Our mission is the development, integration deployment and sustainment of large collection systems. This prime contract is critical to the government and allows team members to work independently and explore new and emerging technologies. If you're passionate about solving tough problems with true mission relevance, this is the opportunity you've been waiting for! Your greatest work is ahead!

  Responsibilities Include:

  • Provides aid to the program, organization, system, or enclave’s information assurance program.
  • Lends assistance for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
  • Maintains operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
  • Assists with the management of security aspects of the information system and performs day-to-day security operations of the system.
  • Evaluates security solutions to ensure they meet security requirements for processing classified information.
  • Performs vulnerability/risk assessment analysis to support certification and accreditation.
  • Provides configuration management (CM) for information system security software, hardware, and firmware.
  • Manages changes to system and assesses the security impact of those changes.
  • Prepares and reviews documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
  • Assists security authorization activities in compliance with Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).

  Basic Qualifications:

  • Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or related discipline and seven (7) or more years of related experience, in lieu of Bachelor's Degree or a Technical Bachelor’s Degree an additional 4 Years of experience will be considered.
  • Minimum of seven (7) years of experience as an ISSO supporting IC or DoD programs and contracts of similar scope, type, and complexity.
  • DoD 8570 compliance with IAM Level II or IAT Level III (i.e., CASP, CISSP, or Associate)
  • Clearance Required: Must have an active TS/SCI with Polygraph.

  At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today

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  Original Posting:

  May 2, 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 $104,650.00 - $189,175.00

  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 the company

  We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets.

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