Information System Security Officer (ISSO)

Clearance Level
Top Secret
Information Security
Manassas, Virginia
Onsite Workplace
Key Skills For Success

Information System Security

Information Technology (IT) Projects

Taking Initiative

REQ#: RQ148419
Public Trust: None
Requisition Type: Regular
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 of U.S. citizens.

Job Description

We are GDIT. The people supporting and securing some of the most complex Government systems. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important.  GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.

We are searching for a Security Professional (Hybrid ISSM/ISSO/SOC Analyst) to join our team supporting a long-term Government IT program.  You will provide leadership as an individual contributor, working autonomously to ensure our systems and team are secure and compliant. 

Work on-site at a modern, project-operated data center location in Manassas with flexibility to set schedule within reasonable business hours.

  • Interact daily with GDIT project technical team and remote Government program security manager, and represent the project with the agency ISSM and other Government information security teams.
  • Develop CIPs, STPs, SSPs and POA&Ms
  • Conduct risk and vulnerability assessment at the network, system and application level.
  • Review Nessus scans and report on vulnerabilities.
  • Manage IA accreditation process, coordinating with stakeholders to ensure that IA reviews are successful.
  • Implement security controls and formulate operational risk mitigations along with assisting in security awareness programs.
  • Research, evaluate and recommend new security tools, techniques, and technologies.
  • Understand relevant Federal policies and regulations for PKI, networking, IT systems, virtualization, and cloud.
  • Demonstrate initiative, judgement, responsiveness, and excellent communications skills both written and verbal.

Required Qualifications:

  • 6+ years of experience providing information assurance support for full lifecycle IT projects
  • Possess a Bachelor’s degree or an additional five years of experience performing IA accreditation and support on projects with similar technologies
  • DoD Approved 8570 Level III Certification and/or CISSP.
  • Active Top Secret Clearance.

Desired Additional Qualifications:

  • Previous experience with Linux
  • Previous experience with Archer
  • Previous experience with Cloud/Hybrid RMF
  • Previous experience with PKI

Work Requirements
Years of Experience

6 + years of related experience

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


CISSP: Certified Information Systems Security Professional - (ISC)2

Travel Required



U.S. Citizenship Required

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 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.