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Information System Security Officer - TS/SCI w/Poly

General Dynamics Information Technology

Company : General Dynamics Information Technology

Location : Bethesda, MD

Posted Date : 16 October 2025

Job Details

Information System Security Officer (ISSO)

Seize your opportunity to make a personal impact as an Information System Security Officer (ISSO) supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiator. As an ISSO, you will help ensure today is safe and tomorrow is smarter. Our work depends on an ISSO joining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management "as a service" platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change join us!

How An Information Systems Security Analyst Will Make An Impact

  • Provide expert-level knowledge, both in context and execution with the Risk Management Framework to support a NIST SP 800-53 HHM systems through the A&A process.
  • Construct thorough and complete security documentation to include, but not limited to, System Security Plans (SSPs), Plan of Actions and Milestones (POA&Ms), and any other artifacts to support the Body of Evidence (BOE), for sponsors approval.
  • Identify security controls and work with engineering, development and testing staff to construct proper test plans and procedures.
  • Implement security audit reviews verifying that the audit records are collected and reviewed.
  • Coordinate all security testing exercises, working with external assessment teams and technical staff.
  • Configure and support various AWS services to protect the security posture of the system.

What You'll Need To Succeed

  • Education : Bachelor's Degree (Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline)
  • Required Experience : 8+ yrs
  • Clearance : TS/SCI with Polygraph
  • Demonstrated strong technical skills and analytic abilities, as well as experience performing system security analysis and risk management.
  • Demonstrated experience with security in the Amazon Web Services environment.
  • Demonstrated experience performing complex technical tasks in pursuit of overall goals with minimal direction.
  • Demonstrated experience in translating an understanding of systems and applications into security test plans and perform hands on security testing.
  • Demonstrated knowledge of risk management methodologies.
  • Demonstrated experience to analyze test results and suggest mitigations for security problems.
  • Demonstrated technical experiences with system configuration, development, and design specifically around enterprise systems and hypervisors.
  • Demonstrated experience with Linux and virtual platforms.
  • Documented working experience with public and private information security groups and organizations.
  • Possesses experience with communicating vulnerability results and risk posture to senior executives.
  • Possess a broad knowledge of Information Security policies and guidance, as well as the ability to assist in researching, evaluating, and developing relevant security policies and guidance.
  • Security Clearance Level : TS/SCI with active polygraph
  • Location : Bethesda, MD - On Customer Site

The likely salary range for this position is $153,567 - $207,766. 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: Less than 10%

Telecommuting Options: Onsite

Work Location: USA MD Bethesda

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.

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