Sr. Information System Security Officer

Clearance Level
Top Secret SCI + Polygraph
Information Security
Annapolis Junction, Maryland

REQ#: RQ63361

Travel Required: None
Requisition Type: Regular

GDIT is looking for an Information System Security Officer that holds a TS/SCI with Poly for a full time position, located in Columbia, MD.

Program overview

We invite you to join a well-established mission program where you can put your Enterprise Information Technology experience to work directly supporting a fast-paced mission. Build your skills by being in integral contributor and champion of our customer's mission.

Position description

This position designs and implements information assurance and security engineering systems with requirements of business continuity, operations security, cryptography, forensics, regulatory compliance, internal counter-espionage (insider threat detection and mitigation), physical security analysis (including facilities analysis, and security management). Assesses and mitigates system security threats and risks throughout the program life cycle. Validates system security requirements definition and provides analysis. Establishes system security designs. Implements security designs in hardware, software, data, and procedures. Verifies security requirements; performs system certification and accreditation planning and testing and liaison activities. Supports secure systems operations and maintenance. 

Essential job functions

  • Responsible for maintaining and enforcing all Information Security policies, standards, and guidelines
  • Coordinates and leads the design, implementation and evaluation of all phases of highly complex information security solutions and programs
  • Responsible for maintaining and enforcing all Information Security policies, standards, and guidelines
  • Manages the full spectrum of Information Security processes for the program, as outlined in DCID 6/3, NISCAP, NSAM 130-1, National Institute of Standards and Technology (NIST) Risk Management Framework (RMF), or comparable industry standards
  • Reviews and updates SSPs as needed
  • Evaluates proposed changes to a system to ensure the change does not impact the system's security 


  • BS AND ten years of Information Assurance experience including evaluating, testing, certifying and accrediting of classified and sensitive but unclassified information systems as well as Commercial Off The Shelf (COTS) and Government Off The Shelf (GOTS) products; equivalent combination of education and experience may be considered
  • Experience with vulnerability analysis and evaluation of both hardware and software in support of Intelligence Community (IC), Department of Defense, and other Federal Sector Government Agencies
  • Must meet 8570 IAT II requirements to include one of the following certifications: CCNA Security, GIC SP, GSEC, Security+ CE, SSCP, CASP CE, CCNP Security, CISA, CISSP, GCED, GCIH
  • Familiar with the Linux command line environment preferred​
  • Active TS/SCI with Polygraph 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.