Lead Security Support Specialist

Chimera Enterprises International, Inc (Chimera)

Lead Security Specialist providing expertise in personnel security and facility operations for DHS. Supporting the development of security SOPs and training programs in a critical health security environment.

Posted 7/7/2026full-timeWashington, DC • District of Columbia, Washington • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

TypeScript

About the role

Key responsibilities & impact

Support the development and drafting of OHS security standard operating procedures (SOPs)
Provide document control and accountability of classified information, and draft procedural guidance to support classification management marking guides
Develop and deliver critical security training for OHS personnel
Maintain the OHS OPSEC program, provide security briefings for all staff, and maintain access control for OHS spaces
Coordinate with the DHS Physical Security Section for the installation and maintenance of security hardware
Conduct vulnerability assessments and site surveys to identify weaknesses and evaluate OHS security systems
Manage the incoming foreign visitor program, submit and receive visit authorization requests, and track foreign visitors through ISMS, FAMS, and CI
Maintain security-related personnel records, support new hire requests, and prepare DOE Q clearance requests
Identify classified collateral contracts, assist in preparing DD 254s, and coordinate program-wide assessments of collateral programs relative to Industrial Security requirements

Requirements

What you’ll need

High School Diploma or equivalent
At least three (3) years of specialized experience in adjudication, background investigations, and personnel/facility security
Active Top Secret / SCI (TS/SCI) clearance
In-depth knowledge of investigative requirements for the performance and adjudication of Background Investigations (BIs)
Experience in reviewing and evaluating Reports of Investigations (ROIs) on applicants, contractors, and employees
Proven ability to make security and suitability determinations within the limits of agency delegated authority
Proficient writing skills for preparing written evaluations and statements of issues
Proficiency in keyboard skills and utilizing computers in a Windows environment

Benefits

Comp & perks

Health insurance
Equal Employment Opportunity
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Security Standard Operating Procedures (SOPs)AdjudicationReports of Investigations (ROIs)Security BriefingsAccess ControlKeyboard SkillsWindows Environment ProficiencyDOE Q Clearance RequestsDD 254 PreparationClassification Management

Soft Skills

Proficient Writing SkillsCommunication Skills