Information Systems Security Officer Senior

Job ID: 2616313

Location: Ashburn, VA, US

Date Posted: 2026-08-31

Category: Information Technology

Subcategory: IT Security Administrator

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: None

Clearance Level Must Be Able to Obtain: Public Trust

Potential for Remote Work: ORA_HYBRID


Description


SAIC is seeking a senior-level Information System Security Officer (ISSO) and/or Alternate Information System Security Officer (AISSO) for one or more major federal IT information systems as a member of the customer directorate's Security Team. Overall, the candidate will be responsible for utilizing the NIST Risk Management Framework (RMF), NIST Security and Privacy Controls for Information Systems and Organizations, and related Continuous Monitoring activities to maximize the security of their assigned system(s) and ensure compliance with Federal Information Security Management Act (FISMA) requirements and DHS/CBP policies and processes.

This position is hybrid-remote and requires 1 day per-week on-site per week in Ashburn, VA.

Job Responsibilities

• Conduct continuous monitoring and self-inspections of computer systems to ensure security compliance with the a forementioned guidance and DHS/CBP policy directives, and proactively report progress to management, make recommendations for security posture improvements, and ensure systems are ready for audits.
• Review and interpret security vulnerability scans, communicate their contents to management and technical stakeholders, and push them to remediation.
• Proactively report security status and concerns to management and make recommendations as appropriate.
• Participate in and support directorate responses for ongoing information system audits.
• Develop and update standard government security documentation such as System Security Plans, Contingency Plans, Interconnection Security Agreements, Risk Acceptances/Waivers, Privacy Threshold Analyses, Privacy Impact Assessments, and other ad-hoc documentation as needed.
• Review and approve/deny relevant system Change Requests as needed.
• Ensure configuration management is appropriate for all Information Systems (IS) software and hardware, in accordance with DoD STIGs (Security Technical Implementation Guides) and industry best practices.
• Execute system audit log reviews in accordance with established policy requirements using Security Information and Event Management (SIEM) tools such as Splunk, Kibana, etc.
• Assist creation of new policies/procedures as needed for directorate systems.
• Support ad-hoc data call and reporting requirements initiated by DHS CIO, CISA and other headquarters offices.

Qualifications


Job Responsibilities

• Conduct continuous monitoring and self-inspections of computer systems to ensure security compliance with the a forementioned guidance and DHS/CBP policy directives, and proactively report progress to management, make recommendations for security posture improvements, and ensure systems are ready for audits.
• Review and interpret security vulnerability scans, communicate their contents to management and technical stakeholders, and push them to remediation.
• Proactively report security status and concerns to management and make recommendations as appropriate.
• Participate in and support directorate responses for ongoing information system audits.
• Develop and update standard government security documentation such as System Security Plans, Contingency Plans, Interconnection Security Agreements, Risk Acceptances/Waivers, Privacy Threshold Analyses, Privacy Impact Assessments, and other ad-hoc documentation as needed.
• Review and approve/deny relevant system Change Requests as needed.
• Ensure configuration management is appropriate for all Information Systems (IS) software and hardware, in accordance with DoD STIGs (Security Technical Implementation Guides) and industry best practices.
• Execute system audit log reviews in accordance with established policy requirements using Security Information and Event Management (SIEM) tools such as Splunk, Kibana, etc.
• Assist creation of new policies/procedures as needed for directorate systems.
• Support ad-hoc data call and reporting requirements initiated by DHS CIO, CISA and other headquarters offices.

Required Skills and Experience

• B.S. in the Information Assurance / Cybersecurity field.
• 8+ years of overall IT security experience.
• 6+ years of experience as a primary ISSO or security compliance lead for an IT system.
• Possesses one of the following professional security certifications: CISSP or CCSP certification.
• Creating, tracking, and driving to completion Plans of Action and Milestones (POA&Ms) for resolving security control deficiencies.
• Providing system-level security auditing support, including interacting directly with auditors and providing artifacts as requested.
• Executing the completion of a new or renewed system Certification and Accreditation (C&A) package from start to finish.
• Effectively communicating security vulnerabilities with technical POCs and management.
• Possesses significant security experience with systems primarily supported by Linux OS (on premises) or Amazon Web Services (AWS).
• Possesses significant experience and knowledge of how to interpret details of vulnerability scans and effectively communicate results.
• Understands the differences between types of vulnerability scans.
• Demonstrates a knowledge of cloud systems/types and related security issues.
• Possesses significant experience writing or updating system Security Plans.
• Demonstrates the ability to communicate effectively verbally and in writing.

Desired Skills and Experience

• Utilizes Splunk of other SIEM tools.
• Creating, tracking, and updating security policies and/or procedures.
• Creating, tracking, and updating Interconnection Security Agreements (ISAs), risk acceptance memorandums, and policy waiver requests.
• Demonstrates the ability to lead annual Contingency Plan Tests in either tabletop form or as actual fail-over tests.
• Supporting the federal government in an IT environment.
• Security experience with cloud systems hosted by Amazon Web Services (AWS).
• Possesses the ability to lead an IT security team.
• Experience with DoD STIG system configuration standards.
• Experience with OIG, GAO, Financial and FISMA audits.

Customer Requirements

• Clearance - Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation
• Location - Hybrid with on-site (Ashburn, VA) 1 day per week (Mondays) with some additional on-site visits for mission needs. All candidates must be within the GWA/commutable area.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .