Lead Information System Security Officer (ISSO)

Science Applications International Corp

Washington, DC

JOB DETAILS
SALARY
$120,001–$160,000 Per Year
SKILLS
Access Authorization, Analysis Skills, CISM - Certified Information Security Manager, CISSP - Certified Information Systems Security Professional, Communication Skills, CompTIA Security+, Computer Security, Data Science, Documentation, Emerging Technology, Employee Orientation, FISMA - Federal Information Security Management Act, Fortune 500 Customers, Government, Hybrid Cloud, Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Maintain Compliance, Metrics, Microsoft Excel, Microsoft Office, Microsoft PowerPoint, Microsoft SharePoint, Microsoft Word, Organizational Skills, Power BI, Problem Solving Skills, Professional Services, Project Management Professional (PMP), Reporting Dashboards, Risk, Risk Analysis, Risk Management, Security Analysis, Systems Analysis, Systems Maintenance, Team Lead/Manager, Technical Support, Time Management, U.S. National Institute of Standards and Technology (NIST), United States Citizen, Work From Home
LOCATION
Washington, DC
POSTED
24 days ago

SAIC - Lead Information System Security Officer (ISSO) in Washington, District of Columbia, United States

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Lead Information System Security Officer (ISSO)

Job ID: 2612762

Location: Washington, DC, United States

Date Posted: May 19, 2026

Category: Cyber

Subcategory: Cyber GRC

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: Hybrid

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Job Description

Description

SAIC is seeking a Lead Information System Security Officer (ISSO) to support a critical U.S. government agency in the National Capital Region. This role serves as the primary business liaison and single point of contact for a portfolio of systems while overseeing day-to-day authorization, compliance, and risk management activities.

The Lead ISSO reports to the Security Program Management Office (SPMO) Manager and is responsible for leading a small team supporting system security, authorization, continuous monitoring, and risk management functions across assigned systems.

Responsibilities:

  • Serve as the lead ISSO and primary point of contact for assigned systems and stakeholders.
  • Oversee and coordinate activities related to ATO support, SSP maintenance, continuous monitoring, POA&M management, SIAs, and Risk Acceptance processes.
  • Lead a small team supporting system security, authorization, compliance, and risk management activities.
  • Oversee day-to-day execution of system security and compliance activities across assigned systems.
  • Coordinate with Information Owners, System/Application Owners, technical teams, privacy stakeholders, and governance teams to resolve issues and track remediation efforts.
  • Oversee preparation of systems and documentation for Security Control Assessments (SCAs), audits, and ongoing authorization activities.
  • Track system risks, assessment findings, POA&M activities, and remediation status to ensure timely resolution.
  • Oversee maintenance of system artifacts and records within GRC platforms such as JCAM/CSAM or eMASS.
  • Facilitate recurring stakeholder meetings and provide compliance status updates, reporting, and risk summaries.
  • Provide task oversight, coordination, and guidance to ISSO personnel supporting assigned systems.
  • Ensure assigned systems remain aligned with NIST RMF, NIST SP 800-53, FISMA, and agency cybersecurity requirements.
  • Support and maintain reporting dashboards, status tracking, and collaboration artifacts using SharePoint, PowerBI, and related collaboration platforms.

Qualifications

Requirements:

  • Bachelor's degree and 5+ years of experience in federal information security, RMF, or ISSO-related roles.
  • Ability to obtain and maintain a Public Trust requiring U.S. Citizenship or Green Card.
  • Strong hands-on experience supporting ATO packages, continuous monitoring, POA&M management, SIAs, and risk activities.
  • Strong working knowledge of NIST RMF, NIST SP 800-53, FISMA, and federal compliance processes.
  • Experience serving as a lead coordinator or primary liaison for system security activities.
  • Experience overseeing or coordinating the work of small teams or junior personnel.
  • Experience with GRC tools such as JCAM/CSAM, eMASS, Archer, or Xacta.
  • Strong communication, coordination, organizational, and stakeholder engagement skills.
  • Experience using SharePoint and PowerBI to support reporting, metrics tracking, workflow management, and executive visibility activities.
  • Proficient in Microsoft Office (Word, Excel, PowerPoint, SharePoint).

Preferred Qualifications:

  • CISSP, CAP, CISM, Security+, and/or PMP certification.
  • Experience supporting multiple systems or complex federal environments.
  • Familiarity with cloud and hybrid environments.

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

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 23,000 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 $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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About the Company

S

Science Applications International Corp

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions. We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/