Information Systems Security Officer (Active Polygraph Required)

Clearance Level
Top Secret SCI + Polygraph
Information Security
McLean, Virginia

REQ#: RQ138260

Travel Required: Less than 10%
Public Trust: None
Requisition Type: Regular

Seize your opportunity to make a personal impact as an Information Systems Security Officer 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 a Information Systems Security Officer (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!


  • Work with others on program security team to provide for all aspects of security.
  • 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 sponsor's 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


  • Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)
  • Required Experience: 8+ yrs
  • Preferred Technical Skills:
  • 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
  • Preferred Certifications:
  • CompTIA Security+ 
    Certified Information System Security Processional (CISSP) 
    Certified Information Security Manager (CISM) 
    Certified Ethical Hacker (CEH) 
    AWS Certified Cloud Practitioner (CCP) 
    Microsoft Azure 
    Google Cloud Platform (GCP)
  • Location: McLean, VA - On Customer Site


  • 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

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.