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Job Details

Principal Information Systems Security Officer


Chief Information Officer


Fort Meade, Maryland, United States


Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With Leidos, you will enjoy competitive benefits such as four or more weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Unlimited Education and Training Support, Parental Paid Leave, and more!

If this sounds like an environment where you can thrive, keep reading!

Our program is a large, multi-year contract for the development, integration, deployment, and sustainment of large, collection systems. The work that's being done on this Leidos-led, prime contract is extremely important to the government and offers its team members the opportunity to work autonomously and explore new technologies. Join a tremendous technical team solving hard problems with true mission relevance on emerging technologies.

Your greatest work is ahead!

The Leidos National Security Sector is seeking a highly experienced, hands-on, information security professional that wants to be part of, and lead a dynamic team, supporting an exciting mission. As a Principal Information Systems Security Officer (ISSO), you will be leading a small team in the Fort Meade area. This opportunity will have a direct impact maintaining and improving the security posture within our customer organization.

Are you ready to join a team dedicated to a mission? Begin your journey of a flourishing and meaningful career, share your resume with us today!

Your Main Objective:

  • Provide support for a program, organization, system, or enclave’s information assurance program as assigned by the Technical Task Order Lead.
  • Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
  • Maintain operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
  • Assist with the management of security aspects of the information system and perform continuous monitoring activities.
  • Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and automation to enterprise solutions. 
  • Complete self-tests and perform vulnerability/risk assessment analysis to support the Assessment and Authorization (A&A) of information systems.
  • Provide configuration management (CM) for information system security software, hardware, and firmware; and manage changes to system and assesses the security impact of those changes.
  • Perform as subject matter expert and perform security control selection, implementation, and testing of systems and applications
  • Perform security authorization and reauthorization activities in accordance with our customer and DoD Risk Management Framework (RMF), and prepare and review documentation to include System Security Plans (SSPs), Risk Assessment Reports, A&A packages, and Security Control Traceability Matrices (SCTMs).
  • Train and oversee the technical work of less experience personnel.

What Sets You Apart (Required)

  • Active Top Secret/SCI with polygraph security clearance
  • Masters Degree and 15+ years of related experience or Bachelors Degree and 19 or more years of related experience
  • Technical Degrees are required - HOWEVER an additional 4 years of related experience will be considered in lieu of a technical degree
  • A minimum of 14+ 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 III or IAT Level III (i.e., CISSP)
  • Combination of practical and progressive experience as an ISSO/ISSE/ISSM Team Lead or Technical Project Lead
  • Breadth of knowledge on IA tools and technologies (i.e., Splunk, Nessus, VPN, IDS/IPS, Firewall)
  • Proficient with our customer's IA Analysis and Reporting tools and corporate repositories and STE/STN Playbooks, implementation and compliance
  • Effective interpersonal and communications skills and outstanding technical writing and presentation skills
  • Team player, working with dynamic teams, and with minimal guidance

You Might Also Have: (Highly Desirable Individual Capabilities/Experience)

  • Demonstrated operational proficiency with internetworking and server technologies (i.e., Routing, Switching, TCP/IP, DNS, RHEL, Windows)
  • Practitioner of information security (IS) and project management principles (i.e., PMP)
  • Knowledgeable with and implement applicable IS laws, regulations, policy, standards and procedures

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!



Original Posting Date:


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 $144,300.00 - $260,850.00

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.