Lead Security Support Specialist

Chimera Enterprises International; Washington (District of Columbia); On-site; USD 120,000 - 150,000; Full time

Job summary

Chimera Enterprises International seeks a Lead Security Specialist to support DHS OHS's Immediate Office and Mission Support Operations in Washington, DC. You will help develop security SOPs, manage document control, and deliver training for personnel security and facility operations.

The role requires active TS/SCI clearance, extensive adjudication experience, and on-site presence at DHS facilities. Strong writing and coordination with DHS security sections are essential.

Qualifications

• Experience with background investigations and adjudication processes.
• Ability to draft and implement SOPs for security operations.
• Strong writing skills for evaluations and issues statements.
• Proficiency with Windows-based tools and standard office software.

Responsibilities

• Develop and draft OHS security SOPs, including SCI and collateral development.
• Provide document control and handling of classified information; draft guidance for classification management.
• Develop and deliver security training, including Annual Security Awareness and OPSEC.
• Maintain OHS OPSEC program and security briefings for staff.
• Coordinate with DHS Physical Security for security hardware installation and testing.
• Conduct vulnerability assessments and site surveys of OHS facilities.
• Manage foreign visitor program and approvals through ISMS, FAMS, and CI.
• Maintain personnel records and support DOE Q clearance requests.
• Identify collateral contracts and assist in preparing DD 254s; coordinate program-wide assessments.

Skills

BI adjudication

ROI reviews

security policy writing

document control

Windows proficiency

Education

High School Diploma or equivalent

Job description

Chimera Enterprises International is seeking a Lead Security Specialist (Lead Personnel Security and Facility Specialist) to support the U.S. Department of Homeland Security (DHS) Office of Health Security (OHS) Immediate Office (IO) and Mission Support Operations (MSO).

Description

The ideal candidate will have specialized experience in personnel and facility security operations, adjudication, and background investigations. The Lead Security Specialist will support OHS by providing critical expertise in the development and drafting of security standard operating procedures (SOPs), managing document control, and facilitating comprehensive security training programs. This role involves coordinating physical and industrial security protocols, ensuring compliance with DHS policies, and providing strategic support to senior leadership.

Mission

To strengthen the Nation's health security by ensuring the safety and security of DHS OHS personnel, facilities, and classified information. This position directly supports OHS's critical need for personnel security and facility support, contributing to the agency's operational readiness in a complex health security environment.

Clearance Level Required

Active Top Secret/SCI (TS/SCI)

Job Description and Responsibilities

• Support the development and drafting of OHS security standard operating procedures (SOPs), including SCI and collateral development and operations.
• 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, including Annual Security Awareness, Derivative Classification, SCI, OPSEC, and New Hire onboarding.
• 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 tests of collateral area hardware (alarm systems/safes/swipe access), and manage the GSA approved container lifecycle.
• 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.

Knowledge, Skills, and Abilities

• 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.

Minimum Qualifications

• Education: High School Diploma or equivalent.
• Experience: At least three (3) years of specialized experience in adjudication, background investigations, and personnel/facility security.
• Clearance: Active Top Secret / SCI (TS/SCI) clearance.
• Location: Primarily on‑site in Washington, DC (DHS St. Elizabeth Campus).

Chimera is committed to Equal Employment Opportunity and to attracting and retaining the most qualified employees regardless of race, national origin, religion, sexual orientation, gender, age or disability.