Information Systems Security Officer (ISSO) - TS/SCI with Polygraph

General Dynamics Information Technology; Washington; On-site; USD 128,000 - 173,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Internal mobility team

Professional growth: education andCert

Cutting-edge technology

Paid vacation and holidays

Job summary

General Dynamics Information Technology is seeking an Information Systems Security Officer (ISSO) in Washington, DC. The role requires a Top Secret/SCI clearance with Polygraph and 5+ years of related experience.

The position focuses on implementing RMF per NIST SP 800-37 and ensuring secure operations across ITD environments. Candidates must meet DoD 8570/8140 IAT level II certification requirements prior to start.

Qualifications

• 5+ years of related experience
• Technical training, certification(s) or degree + 5 years experience
• DoD approved baseline 8570/8140 IAT level II certification required prior to start date

Responsibilities

• Serve as principal advisor on security matters involving IT division information systems.
• Implement RMF in accordance with NIST SP 800-37.
• Ensure network, system, application, or service is operated and disposed of per DIA security policies.
• Provide leadership briefs, reports, and documentation on RMF progression.
• Plan, implement, upgrade and monitor security measures for protection of networks and information.

Skills

Computer Security

Information Systems

Information System Security

Job description

Information Systems Security Officer (ISSO) - TS/SCI with Polygraph

Washington, District of Columbia, United States

Aug 24, 2026

$127,500 - $172,500/year

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Computer Security, Information Systems, Information System Security

Certifications:

None

Experience:

5 + years of related experience

Yes

Job Description:

Transform technology into opportunity as an Information System Security Officer (ISSO) with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As an Information System Security Officer, you will help ensure today is safe and tomorrow is smarter.

Serve as a principal advisor on all matters, technical and otherwise, involving the security of Information Technology Division information systems.

Implement Risk Management Framework (RMF) in accordance with NIST SP 800-37.

Ensure the network, system, application, or service is operated, maintained, and disposed of in accordance with DIA security policies and procedures outlined in the security authorization package.

Provide leadership briefs, reports, and supporting documentation regarding the status of applicable systems and their progression through the client’s RMF process.

Ensure all network, system, application, or service users have the requisite security clearances, authorization, need-to-know, and security responsibility awareness prior to granting access to ITD information systems.

Research and remediate security vulnerability findings for applicable systems within the ITD as documented in the Security Assessment Report (SAR) and its Plan of Actions and Milestones (POA&M).

Plan, implement, upgrade and monitor security measures for the protection of computer networks and information.

Ensure appropriate security controls are in place that safeguard digital files and vital electronic infrastructure.

Oversee and support assigned IT environments, ensuring continuous improvement and rapid problem resolution.

Apply specific functional, working and general industry knowledge.

Develop or contribute to solutions to a variety of problems of moderate scope and complexity.

Work independently with some guidance. May review or guide activities of more junior employees.

WHAT YOU'LL NEED TO SUCCEED:

Required Education and Experience: Technical Training, Certification(s) or Degree + 5 years experience

Certification: DoD Approved Baseline 8570/8140 IAT level II certification is required prior to start date.

Security Clearance Level: TS/SCI with Polygraph

Location: On Customer Site

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

The likely salary range for this position is $127,500 - $172,500. 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.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA DC Washington

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

General Dynamics Information Technology provides innovative consulting, technology, and mission services to U.S. government agencies, leveraging expertise in digital modernization, AI, cloud, and cybersecurity.

IT System Data Services IT Services and IT Consulting Professional Services

Company General Dynamics Information Technology

Location Washington, District of Columbia, United States