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Job Details

ISSO Team Lead / SME


Lead Developer


Arlington, Virginia, United States


Job Description:

The Defense Group at Leidos as an exciting opportunity as an ISSO Lead on our GSM-O II IDIQ contract’s Joint Service Provider (JSP) Cyber Security Task Order in Alexandria, VA. JSP provides a full range of IT products, services, and solutions and customer services to the Office of the Secretary of Defense (OSD), Chairman of the Joint Chiefs of Staff (CJCS) and the Joint Staff (JS), Director of Administration (DA), Pentagon Force Protection Agency (PFPA), Washington Headquarters Services (WHS), and other OSD offices for them to meet mission and business requirements. Through the JSP Cyber Security program, JSP performs a wide variety of services and functions required to secure the information security posture for DoD services.

This is a hybrid position allowing 50% remote work after a brief ramp-up period (first 2-3 weeks will be 100% onsite during onboarding, then time will be split 50/50 onsite/remote).

Primary responsibilities include:

  • Lead the Information System Security Officer (ISSO)team of approximately 15 ISSOs and 2 Information System Security Engineers (ISSE) from Leidos and sub partners supporting the Joint Service Provider (JSP)
  • Provide expert-level technical expertise to the team to ensure high quality product is delivered
  • Mentor and train ISSO personnel
  • Establish and implement security procedures and practices in support of Customer goals and current DoD regulations.
  • Develop and update assessment and authorization documentation (Body of Evidence) for management and continuous monitoring of information systems.
  • Using expert-level knowledge of the Information System (IS) and understanding of established Information Assurance (IA) and Cybersecurity requirements, validate security policies and procedures outlined in the System Security Plan (SSP), customer policies & regulations, and ensure local policies are followed.
  • Initiate the authorization or re-authorization efforts and process for new or expiring systems and lead required meetings
  • Take senior-level corrective action to resolve problems identified and ensure systems are operated, maintained, and disposed of in accordance with established policies and procedures.
  • Perform security audits IAW established procedures. Develop process for the management, review, and retention of security audit data. Make senior-level decisions and implement corrective action as required to resolve audit discrepancies.
  • Author and review IS security-related documentation and submit to Enterprise Mission Assurance Support Service (eMASS).
  • As an IA Subject Matter Expert (SME), provide critical thinking to ensure system security requirements are addressed during all phases of the System Development Life Cycle (SDLC).
  • Conduct ongoing security reviews and tests of systems to verify security features and controls are functional and effective. Take corrective action to resolve identified vulnerabilities.
  • Provide expert-level security engineering review of proposed changes or additions to the IS (including hardware, software, or connectivity), and advise the Information System Security Manager (ISSM) of the security relevance.
  • Create and maintain processes and procedures for use by members of the ISSO team
  • Lead lessons learned activities to improve the overall productivity and efficiency of the ISSO team


  • Active TS/SCI required.
  • MS and 15 – 20 years of prior relevant experience, add'l experience may be considered in lieu of degree
  • At least 8 years in IA technology or a related area
  • 5 to 8 years Risk Management Framework experience
  • years of project management work experience
  • DoD 8570 IAT Level III or IAM Level III (CISSP or CISM required)
  • Computing Environment (CE) / Operating System (OS) Certificate within 6 months of assignment to position.
  • Expert knowledge of NIST SP 800-37, CNSSI 1253, FIPS 199 and NIST SP 800-53
  • Expert in RMF accreditation processes
  • Familiarity in CIRT processes and data spill cleanup procedures
  • Expert with the Data-Write and Cross Domain Data Transfer processes
  • Demonstrates leadership and customer service skills/Previous lead position
  • Ability to create metrics, documentation, presentations, and procedures and communicate results effectively
  • Expertise in auditing security controls
  • Knowledge of Continuous Monitoring
  • Expert in scanning and interpreting scan results
  • Expert in STIGs and SRGs
  • Knowledge of Common Control Processes
  • Project Management skills
  • Technical Writing Skills
  • Working knowledge of DoD Pentagon headquarter customers
  • Customer service skills both verbally and written

Pay Range:

Pay Range $139,750.00 - $215,000.00 - $290,250.00

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.