Information System Security Officer (ISSO) - TS SCI with Poly req'd

Clearance Level
Top Secret SCI + Polygraph
Information Security
Aurora, Colorado

REQ#: G2019-54185

This position is not yet funded:


Performs all procedures necessary to ensure the safety of information systems assets and to protect systems from intentional or inadvertent access or destruction


The ISSO position shall provide comprehensive Information Assurance (IA) support to customer Directorates and Offices.  The ISSO will fall under the agency Information System Security Manager (ISSM) and will provide day-to-day information assurance operations support by ensuring that IA and

Operational security practices are maintained for all assigned Information Systems (IS).

ISSOs must possess a strong working knowledge of:

  • Information Assurance concepts, to include Assessment and Authorization (A&A) activities
  • General Information Technology (IT) system functions
  • Documented Security policies and best practices
  • Standard technical security safeguards
  • Operational Security (OpSec) measures

BA/BS - Bachelor's Degree in Computer Science or a related technical discipline, or the equivalent combination of education, professional, training or work experience.


8+ years of related experience in data security administration


ISSO daily tasks may include at a minimum:

  • Managing day-to-day IA and system security aspects including physical and environmental protection, incident handling, and information system security training and awareness
  • Supporting Information System Owner (ISO) in the development and maintenance of required IA documentation (System Security Plan (SSP), Certification Test Plan (CTP) and other related documents in accordance with customer identified applicable policies, procedures, and templates
  • Performing an active role in continuous monitoring to include reviewing system changes for potential security impact, coordination of those changes with the Security Relevant Change determination authority, updating associated IA documentation and monitoring all changes to the system state and status from Initial Operating Capability (IOC) through Decommissioning
  • ISSOs will be a focal point for Continuous Monitoring efforts and must demonstrate effective communication skills to support the required daily interaction with all identified IA stakeholders
  • Verifying all users requiring or requesting access to ISs, ensuring each user has the requisite security clearance, authorization, need-to-know, and are aware of their security responsibilities before approving access to the IS
  • Supporting Incident Response (IR) actions and activities as requested
  • ISSO must possess a basic understanding of incident response and data spill management requirements
  • Controlling media handling, ensuring all media entering or exiting a facility is properly labeled, virus scanned and approved prior to transferring date (uploading/downloading) between customer IS
  • Participates in special projects as required.




" 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.

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.