Special Security Representatives (SSR), Specialist III

System High Corporation; Virginia; On-site; USD 85,000 - 125,000; Full time

Job summary

System High Corporation seeks a highly detail-oriented Special Security Representative (SSR) to support DoD Acquisition Security operations. You will manage personnel security, nominations, and SCI access, and ensure SCIFs meet ICD 705 standards.

Responsibilities include administering DISS, NBIS, and Scattered Castles databases, conducting indoctrinations and briefings, and coordinating with DCSA AVS. You will draft security briefs, perform self-inspections, and maintain privacy-compliant

Qualifications

• 6–10 years of DoD Special Security experience.
• Active Top Secret clearance with SCI eligibility.
• Knowledge of ICD 705 and DoD manuals (SCI Admin Security, 5200 series).
• Experience with DoD security databases (DISS, Scattered Castles, NBIS, RMT).
• Ability to supervise teams and draft official DoW correspondence; conduct comprehensive security briefings.

Responsibilities

• Provide SSOs functional services and protect SCI in DoD operations.
• Manage personnel security clearances and SCI/nomination processes.
• Maintain physical security of SCIFs and implement ICD 705 standards.
• Draft security reports, conduct self-inspections, and manage privacy-sensitive files.
• Coordinate with AVS and DCSA for eligibility and investigations.
• Monitor tasks and prepare weekly activity reports; maintain records.

Skills

Top Secret clearance

SCI eligibility

DoD security

SSO operations

Training & briefing

Tools

DISS

Scattered Castles

NBIS

RMT

Job description

We are seeking a highly detail-oriented and experienced Special Security Representative (SSR) to support the Defense Special Security System and DoD Acquisition Security operations. In this role, you will provide critical Special Security Office (SSO) functional services, ensuring the protection of Sensitive Compartmented Information (SCI), managing personnel security clearances, and maintaining the physical security of accredited facilities (SCIFs).The Applicant will support the following areas:Personnel Security & Access Management - Manage and update government databases including DISS, Scattered Castles, NBIS, and local personnel trackers. Process SCI access nominations, conduct pre-screening interviews, and coordinate eligibility upgrades with the Defense Counterintelligence and Security Agency (DCSA) Adjudication and Vetting Services (AVS).Facility & SCIF Operations - Implement physical security standards for SCIFs in accordance with ICD 705. Review and/or Manage Fixed Facility Checklists (FFCs), TEMPEST addendums, and automated access control/intrusion detection systems (IDS). Provide access control, maintain visitor logs, and assist with alarm responses. Establish/Review Construction/Modification Security Plans (CSP/MSP), Co-Utilization Agreements, Concept Approvals prior to submission. Modify/Change LKM7000/CDX-XX series combinations. SSecurity Education & Training - Conduct initial SCI indoctrinations, periodic refresher training, and final debriefings. Administer specialized briefings for NATO, Critical Nuclear Weapons Design Information (CNWDI), and Restricted Data.Incident Response & Compliance - Assist with preliminary inquiries for security incidents involving SCI. Perform self-inspections, draft IDS reports, and ensure all personnel security files (SF-312, foreign travel reports) are maintained per privacy guidelines.Administrative & Program Support -Monitor Electronic Task Management Tools (TMT) to track SSO actions. Draft weekly activity reports, consolidate statistical data, and maintain the SSO SharePoint site and Electronic Files Management System.QualificationsExperience: 6-10 years’ relevant experience in DoD Special SecuritySecurity Clearance: Must possess an Active Top Secret clearance with SCI eligibility.Demonstrated working knowledge of Intelligence Community Directive (ICD) 705 Tech Specs v 1.5.1, DoD Manual 5105.21 Vol 1-3 (SCI Administrative Security Manual), DoD Manual 5200.02(Personnel Security Program). DoD Manual 5205.07 Special Access Program Security Manual; 32 Code of Federal Regulation Part 117, NISPOM; and DoD Manual 5200.01 Vol 1-4 (DoD Information Security Program)Hands-on experience with DoD security databases of record: Defense Information System for Security (DISS), Scattered Castles, National Background Investigations System (NBIS) and Knowledge of DODIIS Enterprise Record Message Traffic (RMT)Must be able to provide daily supervision and direction to support teamsStrong capability to draft, review, and edit official DoW correspondence: emails, MFRs, etc., and conduct comprehensive security briefings for military, civilian, and contractor personnel.Additional InformationThis job description is not designed to cover or contain all job duties required of the employee. There may be additional activities, duties and/or responsibilities that are required for this position that are not listed in this job description.In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career.System High values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring their whole self to the mission.System High Corporation is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran status, or any other characteristic protected by law. We are proud to be an equal opportunity workplace.If you require a reasonable accommodation to apply for a position with us, please email [e-mail] notices can be viewed on the following PDFs: Know Your Rights: Workplace Discrimination is Illegal; EPPA Notice; FMLA NoticeWarning: Beware of recruitment scams: System High will never request money or personal purchases during the hiring process. Verify all communications come from a systemhigh.com or msg.paycomonline.com email address.