Information System Security Officer (ISSO)

General Dynamics Information Technology
Falls Church, VA
Public Trust: MBI (T2)
Requisition Type: Pipeline
Your Impact

Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being and support of U.S. citizens.

Job Description

Advance your career while impacting our national security in cyber as an Information System Security Officer at GDIT.

Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.

MEANINGFUL WORK AND PERSONAL IMPACT

As an Information System Security Officer, the work you’ll do at GDIT will be impactful to the mission of USPS. You will play a crucial role in analyzing, designing, developing, implementing, and supporting security controls and processes for our government customer, the United States Postal Service.

The Information System Security Officer helps ensure today is safe and tomorrow is smarter. Our work depends on an Information System Security Officer joining our team to protect an organization's computer networks and systems from threats by implementing security measures, monitoring breaches, investigating incidents, and developing security policies and disaster recovery plans to safeguard data and infrastructure from unauthorized access, modification, or destruction.

They act as the first line of defense, using tools like firewalls and encryption to secure data, train users on best practices, and stay ahead of evolving cyber threats through continuous research. Officers also play a crucial role in monitoring networks, investigating breaches, and responding to security incidents.

WHAT YOU’LL NEED TO SUCCEED

Bring your cyber expertise and drive for innovation to GDIT.

Education:

  • Bachelor's Degree in Computer Science or related technical discipline, preferred but not required.
  • NOTE: If resources do not have a relevant college degree, an additional 4 years of relevant work experience is required.

Required Experience:

  • 3+ years of experience in information system security roles (ISSO or similar).
  • Ability to manage responsibility for security assessments of a variety of applications or domains, including cloud computing, and to manage several projects/initiatives of large size, complexity, and risk.
  • Demonstrated proficiency in implementing security controls, conducting risk assessments, and documenting compliance measures based on NIST RMF and ISO standards to meet organizational and regulatory requirements.
  • Demonstrated proficiency in successfully evaluating and supporting documentation, validation, and accreditation processes necessary to assure that new and existing information technology (IT) systems meet the organization's information assurance (IA) and security requirements.
  • Demonstrated proficiency in ensuring appropriate treatment of risk, compliance, and assurance from internal and external perspectives.
  • Ability to support development of actionable security blueprints, principles, models, designs, standards, and guidelines to ensure enterprise IT architecture and support is consistent, usable, secure, and adds value to the business.
  • Experience with network and vulnerability scanning tools and technologies to interrogate systems for configuration and status.
  • In-depth understanding of security architecture principles and best practices to design, implement, and maintain secure IT infrastructures in alignment with A&A policies.
  • Demonstrated proficiency in utilizing Governance, Risk, and Compliance (GRC) tools for managing Assessment & Authorization (A&A) processes.
  • Ability to serve as subject matter expert (SME) for the USPS A&A process, including providing guidance to stakeholders, business units, and new A&A resources as necessary.
  • Strong analytical skills with attention to detail and accuracy.
  • Strong organizational skills and ability to build and maintain schedules and step-by-step action plans.
  • Effective communication and collaboration skills to work with cross-functional teams, business units, stakeholders, and IT professionals, and brief executives.

Security Clearance Level:

  • Ability to obtain and maintain a Public Trust clearance and successfully pass a thorough Government background screening process requiring the completion of detailed forms and fingerprinting.
  • This position has a U.S. residency requirement . The USPS security clearance process requires the selected candidate to have resided in the U.S. (including U.S. Territories) for the last five years as follows:
    • U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 6 months consecutively in the last 3 years (unless they meet certain exceptions).
    • Non-U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 90 days consecutively in the last 3 years.

Location:

  • Morrisville, NC
  • Falls Church, VA
  • Eagan, MN
  • Remote considered

GDIT IS YOUR PLACE:

  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays

#zxc726

Work Requirements

Years of Experience

3 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

Less than 10%

Posted 2026-02-13

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