Senior Security Specialist (Pentagon) - TS/SCI

LMI; Arlington (VA); On-site; USD 150,000 - 160,000; Full time

Job summary

LMI is seeking a Senior Security Specialist to provide security administration for a DoD-related program at the Pentagon. The role requires expertise in CUI, CNSI, INFOSEC, and cross-domain integration across NIPR, SIPR, and MS 365 GCC-High.

Active TS/SCI clearance is required. Responsibilities include governance, reporting, and incident remediation, with a focus on automation of security workflows and tight collaboration with DoD CIO/DISA/JSP teams.

Qualifications

• Bachelor's degree from an accredited college/university required.
• Master's degree preferred.
• 10+ years in DoD policy, product support, and logistics.
• Executive-level support experience with DoD or federal agencies is desirable.
• Ability to lead multiple high-complexity projects and manage customer expectations.

Responsibilities

• Serve as SME on CUI and CNSI programs, advising on sharing, marking, safeguarding, and reporting.
• Govern CUI/INFOSEC marks and destruction, and maintenance of SCG; report annually.
• Collaborate with DoD CIO/DISA/JSP to implement CUI across NIPR, SIPR, and M365 GCC-High.
• Manage security action items, congressional inquiries, and staffing packages in CATMS.
• Handle PERSEC & Access actions in DISS, including clearances and onboarding/offboarding.
• Develop enterprise-wide SETA training and security policy communications.
• Guide compliance with CUI policies across A&S components; act as technical authority.
• Assess automation opportunities for security data tracking and reporting.

Skills

CUI Governance

INFOSEC

DoD Policies

Security Clearance

Stakeholder Management

DISS/Personnel Security

Risk Assessments

Process Improvement

Education

Bachelor's degree

Master's degree

Tools

Microsoft Purview

DISS

CATMS

NDAs SF-312

MS 365 GCC-High

Job description

LMI is seeking a Senior Security Specialist to provide security administration for a DoD-related program at the Pentagon. The role requires expertise in CUI, CNSI, INFOSEC, and cross-domain integration across NIPR, SIPR, and MS 365 GCC-High.

Active TS/SCI clearance is required. Responsibilities include governance, reporting, and incident remediation, with a focus on automation of security workflows and tight collaboration with DoD CIO/DISA/JSP teams.