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Information System Security Officer (ISSO)

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Job ID: 2506717
Location: ASHBURN, VA, United States
Date Posted: Jul 1, 2025
Category: Information Technology
Subcategory: IT Security Administrator
Schedule: Full-time
Shift: Day Job
Travel: Yes, 10 % of the Time
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: Public Trust
Potential for Remote Work: Hybrid
Benefits: Click here

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Job Description

Description

Job Description 

SAIC is looking for an 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, they will be responsible for utilizing the NIST Risk Management Framework (RMF) 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 customer policies and processes.

This position is hybrid-remote requiring 2 days on-site per week in Ashburn, VA. 

Responsibilities 

  • Participate in program planning, prepare Authority to Test (ATT) and Significant Change (SC) documentation, and push these initiatives to completion.
  • Review Nessus, WebInspect, and DBProtect security scans, communicate vulnerabilities to technical stakeholders, and track them to remediation.
  • Proactively report security status and concerns to management and make recommendations as appropriate.
  • Assist directorate with yearly audit responses and security-related data calls to upper management and DHS OCIO.
  • 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, Interconnection Security Agreements, waiver requests, and other ad-hoc documentation as needed.
  • Review and approve/deny relevant system Change Requests as needed.
  • Perform system audit log reviews in accordance with established policy requirements using Security Information and Event Management (SIEM) tools such as Splunk, Kibana, etc.

Qualifications

Qualifications 

  • Has created, tracked, and pushed to completion Plans of Action and Milestones (POA&Ms) for resolving security control deficiencies.
  • Has completed a new or renewed system Certification and Accreditation (C&A) package from start to finish.
  • Is experienced in effectively communicating security vulnerabilities with technical POCs and management.
  • Has significant security experience with systems primarily supported by Linux OS (on premises) or Amazon Web Services (AWS).
  • Has significant experience and knowledge of how to interpret details of vulnerability scans, including Tenable Nessus.
  • Has significant experience writing or updating system Security Plans.
  • Ability to communicate effectively verbally and in writing.
  • Prior experience supporting the federal government in an IT environment.
  • Experience creating, tracking, and updating Interconnection Security Agreements (ISAs), risk acceptance memorandums, and policy waiver requests.

Education and Experience 

  • BS or equivalent work experience in the Information Assurance / Cybersecurity field.
  • 9+ years of overall IT security experience.
  • 2+ years of experience as a primary ISSO or security compliance lead for an IT system.
  • Possess one of the following: CISSP, CCSP, or CEH certifications.
  • Has led annual Contingency Plan Tests in either tabletop form or as actual fail-over tests.
  • Experience creating, tracking, and updating security policies and/or procedures.
  • Expertise in using Splunk or other SIEM tools.
  • Security experience with cloud systems hosted by Amazon Web Services (AWS).
  • Experience leading an IT security team.
  • Experience with DoD STIG system configuration standards.

BI Requirement 

  • Current holder (with an ability to maintain) of a DHS Public Trust / CBP Background Investigation (BI) clearance (requiring US Citizenship).

Note: Employment will be contingent upon having/obtaining a DHS Public Trust / CBP BI clearance prior to starting. 




Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC® is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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