Alternate Contractor Special Security Officer (ACSSO)

Clearance Level
Top Secret
St Louis, Missouri

REQ#: G2019-66033

GDIT is seeking an Alternate Contractor Special Security Officer (ACSSO) to perform work at new facility in St. Louis MO.  This is a new facility build with potential for a long, steady ACSSO career. Candidate must have knowledge and experience in ICD 705 facility construction.  The Candidate must be dynamic, use critical thinking skills to affect necessary changes to maintain construction compliance, and communicate progress to the internal and external customers. Upon accreditation, Candidate will assume full ACSSO responsibilities for the facility's operations and compliance.   

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. GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.

Duties include but are not limited to:

  • Responsible for daily security operations and Intelligence Community Directives (ICDs) compliance for the facility
  • Administer personnel security system for clearances and periodic reinvestigations through JPAS and customer methods
  • Coordinate and conduct annual security education and training in relation to company and customer requirements.
  • Track and monitor classified contracts andDD-254s
  • Work with manager to Investigate, prepare, and submit Security Violations and Incident Reports as required by applicable IC directives and customer policy.
  • Act as ISSO for the program's facility.
  • Other security functions as required.
  • BA/BS
    • HS Diploma will be considered for equivalent years of experience
  • 5+ years of experience in the security field.
  • Active TS (Top Secret) security clearance with SCI eligibility with ability to successfully pass a CI Polygraph exam.
  • Proficient in the use of MS Office Suite
  • Oriented and well organized; able to multi-task and handle competing  priorities and deadlines
  • Security+ or ability to obtain within three months of hire. 


  • TS/SCI with CI Scope Poly
  • Security+ Certification

" 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.