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Jr. Information Systems Security Officer

Job in Falls Church, Fairfax County, Virginia, 22042, USA
Listing for: General Dynamics - IT
Full Time position
Listed on 2026-03-12
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Transform technology into opportunity as a Jr. Information Systems Security Officer with GDIT. You will assist with preparing and maintaining security documentation, supporting system accreditation activities, and ensuring adherence to federal cybersecurity standards. You’ll receive on-the-job training and mentorship from experienced cybersecurity professionals, gain exposure to NIST RMF and DoW security standards, and build a foundation for a career in cybersecurity compliance and risk management.

HOW

A JUNIOR INFORMATION SYSTEMS SECURITY OFFICER WILL MAKE AN IMPACT
  • Train to serve as an Information System Security Officer (ISSO) and support RMF Assessment and Authorization (A&A) processes for new and existing systems.
  • Prepare and submit System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and risk assessment documentation; collaborate with Authorizing Officials (AOs) to achieve and maintain Authorization to Operate (ATO) status.
  • Conduct compliance audits and reviews to verify adherence to NIST, DoW, and organizational security requirements.
  • Provide support to ISSMs/ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies.
  • Manage and control changes to the system and assess the security impact of those changes.
  • Aid the Information System Security Manager (ISSM) in maintaining the appropriate operational Information Assurance (IA) posture for a system, program, or enclave.
  • Conduct regular reviews of DISA STIGs, analyze ACAS vulnerability scans, and provide remediation feedback to maintain compliance and support continuous monitoring under RMF.
  • Develop and recommend policies and procedures to ensure information system reliability, availability, and security; perform security evaluations, audits, and reviews to identify vulnerabilities and mitigate risks.
  • Perform duties as a member of the incident response team, conduct risk assessments and investigations, executing appropriate risk mitigations, and overseeing incident response activities.
  • Coordinate with stakeholders to ensure timely submission of accreditation packages and maintain Authorization to Operate (ATO) status.
WHAT YOU’LL NEED TO SUCCEED

Bring your cyber expertise and drive for innovation to GDIT. The Jr. Information Systems Security Officer must have:

  • Education:

    Bachelors degree or equivalent work experience/education in lieu of a degree
  • Experience:

    1+ years of related experience
  • Technical skills:
    Windows Administration, Office proficiency
  • Security clearance:
    Active Secret Clearance required to start and the ability to obtain a TS
  • US citizenship required
  • Certifications:

    Security+ CE or equivalent 8140 - IAT II/IAM I certification
  • Self-starter, able to work independently.
  • High level of attention to detail, ability to analyze and resolve problems, strong communication skills both written and verbal.
  • Due to the nature of work, this is an onsite position five (5) days per week.
  • Primary location will be Falls Church VA. Secondary location will be Chantilly VA
GDIT IS YOUR PLACE:

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities.
  • Support:
    An internal mobility team focused on helping you achieve your career goals.
  • Rewards:
    Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off.
  • Community:
    Award-winning culture of innovation and a military-friendly workplace.
OWN YOUR OPPORTUNITY

Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.

Salary and Benefit Information

The likely salary range for this position is $61,402 - $74,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development.

Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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