National Security Systems Security Controls Assessor

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If this sounds like the kind of environment where you can thrive, keep reading!

The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability. Leidos has a critical need for a NSS Security Controls Assessor to support the DHS Cyber Assessments Program.

The mission of the DHS Chief Information Security Officer Directorate (DHS CISOD) is to support the Department’s implementation of all applicable regulatory requirements including the Federal Information Security Modernization Act of 2014 (FISMA), relevant Office of Management and Budget (OMB) Circulars, Executive Orders, Federal laws, directives, policies, and regulations. The DHS CISOD’s mission is to also provide the Department of Homeland Security (DHS) a secure and trusted computing environment. The DHS CISOD assists in ensuring Department compliance with information security requirements. Information security is an essential business function, critical to enabling DHS to conduct its operations and deliver service to the public.

Leidos has a critical need for a National Security Systems (NSS) Security Controls Assessor to support the DHS Cyber Assessments Program.

Primary Responsibilities:

• Execute in-depth security control assessments (SCAs) for National Security Systems (NSS) in compliance with NIST RMF and CNSS policy, ensuring the highest level of system security.

• Develop and maintain formal documentation, including NSS-specific SOPs and Concept of Operations (CONOPs), to streamline and enhance the authorization process.

• Analyze cyber risk indicators stemming from system threats and vulnerabilities and provide detailed cybersecurity risk recommendations in support of NSS continuous monitoring activities.

• Research, develop, and implement policies to improve the effectiveness and efficiency of the security authorization process while minimizing operational impacts on critical NSS systems.

• Conduct vulnerability scans, create Body of Evidence (BoE) artifacts, and produce Security Assessment Reports (SARs) to document risk levels and recommended mitigations.

• Provide in-depth analysis of cyber threat actor behavior and create detailed white papers to inform DHS NSS of potential risks and threat trends.

• Actively participate in security meetings, including engineering review boards and cybersecurity supply chain risk management (C-SCRM) sessions, to inform and support NSS initiatives.

• Develop automated assessment tools and dashboards to support continuous monitoring and ongoing authorization processes, leveraging tools like Splunk, Tenable, and Axonius.

Qualifications:

• Bachelor's Degree in Information Technology, Cybersecurity, or a related technical field AND 4-8 years experience OR Masters of Science in Information Technology, Cybersecurity, or a related field AND 6+ years experience. Additional experience may be considered in lieu of a degree.

• 4-8 years of experience with NIST RMF and CNSS policy frameworks, with the ability to apply them to secure National Security Systems.

• Strong background in cybersecurity risk analysis and reporting, with experience in creating detailed BoE artifacts.

• Proficiency in using cybersecurity tools for vulnerability scanning and continuous monitoring

• Experience in conducting SCAs and cybersecurity assessments for NSS in accordance with NIST RMF and CNSS guidelines.

• Local to D.C. or Virginia with ability to work on-site for classified work

• Active Top-Secret clearance with SCI eligibility.

Preferred Qualifications:

• Knowledge of risk management and mitigation techniques tailored to high-security environments, such as those encountered in NSS.

• Experience developing and maintaining cybersecurity SOPs and CONOPs, with a focus on streamlining the risk assessment and authorization process.

• Proficiency in using vulnerability assessment tools such as Nessus, Splunk, and AppDetective, along with MGMT compliance tools like CSAM-S.

• Strong analytical skills to assess cyber threats, identify trends, and create actionable risk mitigation strategies through continuous monitoring.

• Adept at creating Body of Evidence (BoE) artifacts, security reports, and other documentation required for high-risk systems.

• Demonstrated ability to lead cross-functional teams in high-security environments and collaborate with government leads and stakeholders.

• Certifications such as CISSP, CEH, GPEN, or CNSS-related credentials.

• In-depth knowledge of supply chain risk management and its impact on national security.

• Experience with federal cybersecurity policies, including DHS 4300B.

• Hands-on experience developing cybersecurity risk assessments and strategies in classified environments.

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:

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.