Information System Security Manager (ISSM) - TS/SCI

Clearance Level
Top Secret/SCI
Information Security
Falls Church, Virginia
Columbia, Maryland

REQ#: RQ86876

Travel Required: 10-25%
Public Trust: SSBI (T5)
Requisition Type: Regular

We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. 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 rusted to deliver your best every day.

We think. We act. We deliver. There is no challenge we can’t turn into opportunity. And our work depends on an Information Security Senior Analyst joining our team to support client activities in our Northern Virginia region.

At GDIT, people are our differentiator. As an Information Security Senior Analyst supporting multiple programs, you will be trusted to engage and support information system development, accrediations and ensure mission success through timely accreditations and systems administration oversight. In this role, a typical day will include:

  • Manage and execute all aspects of the Information System accreditation process in compliance with program specific guidelines and standards which may include RMF, JFAN, etc.
  • Recognizes potential, successful, and unsuccessful intrusion attempts and compromises thorough reviews and analyses of relevant event detail and summary information.
  • Assists with implementation of countermeasures or mitigating controls.
  • Conducts regular audits to ensure that systems are being operated securely, and information systems security policies and procedures are being implemented as defined in security plans.
  • Researches, evaluates, tests, communicates, and implements new security software or devices.
  • Implements, enforces, communicates, and develops security policies or plans for data, software applications, hardware, telecommunications and information systems security education/awareness programs.
  • Ensures the integrity and protection of networks, systems, and applications by technical enforcement of organizational security policies, through monitoring of vulnerability scanning devices.
  • Performs periodic and on-demand system audits and vulnerability assessments, including user accounts, application access, file system and external Web integrity scans to determine compliance.
  • Prepares incident reports of analysis methodology and results.
  • Ensure compliance with regulations and privacy laws.


  • Bachelor’s Degree in Information System Security or a related business discipline, or the equivalent combination of education, professional training, or work experience.
  • 5+ years of related experience in industrial security serving in an Information Systems Security Officer/Manager capacity.
  • Proficient in the use of government-maintained security systems such as DISS, NISS, eMASS, etc.
  • Must obtain and maintain an active Top Secret/SCI and willingness to submit to a requisite polygraph
  • Experience with security hardening, assessment and reporting tools such as: SCAP, STIG, ACAS, SPLUNK, and Nessus
  • Security+ Certification and/or CASP+ CE, CISA, CISSP, CCISO, CCNP Security preferred


  • This opportunity offers direct engagement and support to a national mission and unique security challenges of Special Access Programs.
  • Allows the right individual the opportunity to develop and refine Security Risk Management and Mitigation skills.
  • Fosters participation and engagement within a multi-disciplined and complex organization through daily operations and briefing/training opportunities.


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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.