Sr Information System Security Specialist with an Active TS/SCI with Polygraph

Clearance Level
Top Secret SCI + Polygraph
Information Security
Fort Meade, Maryland
Columbia, Maryland

REQ#: RQ68579 Sr Information System Security Specialist with an Active TS/SCI with Polygraph (Open)

Travel Required: Less than 10%
Requisition Type: Regular
Job Description

Job Description:  This task provides IT support services that consist of application hosting, including server installation, upgrade, and Tier 2 sustainment for Windows, UNIX, and Linux. The specific position is a client interfacing ISSE position with strong experience in computer and network security vulnerability assessments to include identification, mitigation and evaluation of security risks, threats, and vulnerabilities. Responsible for the implementation and development of the organization IT security.


  • Must be able to develop and implement computer security policies and procedures to ensure the safety of information systems assets.
  • Performs risk analyses and risk assessment.
  • Provides support to plan, coordinate, and implement the organizations information security.
  • Provides support for facilitating and assisting the organization in identifying the current security infrastructure and defining future programs, designs, and implementation of security related to IT systems.
  • Provide ISSO related assistance.
  • Monitor and update SSPs as required.
  • Must have a Bachelors plus 8 years experience, or equivalent education/experience: Doctorate plus 4 years; Masters plus 6 years; Associates plus 10 years; or H.S./GED plus 12 years.

Top Skills:
•    A good understanding of the ISSO role
•    A good understanding of the RMF (What each role does: ISSO, DAO, SYSTEM OWNER, ISSE)
•    Understand the tools: IGGY, XACTA, LATTEART, STE/STN, SEAR, BISCOTTI
•    Know the reauthorization process
•    Know how to add LACs
•    Manage a ticket queue
•    Understand and perform the process to add and remove users
•    Be able to write and communicate to the customer CLEARLY

•    Maintaining computer security policies and procedures to ensure the safety of information systems assets.

•    Initiative -  If you dont know the answer, have the drive to find the proper answer. Dont guess or ignore.

Must have an active Security clearance ( TS/SCI with poly)


  • Experience with UNIX, Solaris, Linux and/or CentOS.
  • Familiarity with commercial products and current Internet/EC technology
  • Technical writing/documentation skills.


  • One of the following DoD approved certifications is required to meet the category/level IASAE-2 (DoD 8570) requirement for this position: CISSP (or Associate), CASP CE, CSSLP, CISSP-ISSEP, or CISSP-ISSAP.
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.