Senior Security Specialist (A&S Security) - TS/SCI required

Overview LMI is seeking a Senior Security Specialist who will provide security administrative expertise for our government customer in specialties such as Physical, Information, Industrial, Personnel, and Operational Security. Location: The position will be located at the Pentagon. Clearance: This position requires an active TS/SCI clearance. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities Serve as a subject matter expert (SME) on Controlled Unclassified Information (CUI) and Classification Management (CNSI) Programs, advising on matters related to sharing, marking, safeguarding, storage, dissemination, declass or decontrol, records management, and destruction, as well as reporting requirements.CUI & Classification Governance: Serves as the primary SME for CUI (DoDI 5200.48 / 32 CFR 2002) and INFOSEC (DoDM 5200.01 / E.O. 13526), overseeing marking, safeguarding, destruction, SCG maintenance, annual OUSD(I&S) reporting, and incident/spillage remediation.Technical Integration: Collaborates with DoD CIO, DISA, and JSP to operationalize CUI and marking compliance across NIPR, SIPR, and M365 GCC-High platforms via Microsoft Purview Information Protection (MPIP) sensitivity labeling.CATMS Staff Action Management: Manages and tracks security-related action items, congressional inquiries, and executive staffing packages through CATMS to ensure timely coordination and leadership concurrence.PERSEC & Access Administration: Executes day-to-day personnel security actions in DISS, including clearance vetting, processing incoming/outgoing VARs, administering SF-312 NDAs, managing onboarding/offboarding security pipelines, and Pentagon badge coordination.Travel & Security Education: Manages the Foreign Travel Program (FCG compliance, ISOPREP, threat briefings) and develops enterprise-wide SETA training, initial orientations, and security policy newsletters.Device Security: Oversees and manages medical device and fitness tracker review and approval process.Assist with and participate in working groups, meetings, newsletters, training, and conferences as requested to include establishing & coordinating them. Assist with development, ensures implementation of, monitors, and evaluates organizational compliance with broad overall policies and procedures pertaining to CUI for A&S components. Serve as a technical authority for A&S while working with DoD CIO/DISA/JSP to ensure compliance with established marking policies and procedures for incorporation of CUI into both NIPR & SIPR networks and Microsoft products. Provide support in implementing compliance policies and guidelines, monitoring and evaluation of incident management, self-inspection activities, program assessment, and violation of procedures. Develop guides and processes to support the following:A&S CUI and CNSI programmatic review (marking/processing/storing process) – 2024 Annual Report to I&SProcess for Onboarding and offboarding employeesForeign Travel Program (process for all foreign travel [official/personal] and training requirements)AT/FPSecurity Class Guide (SCG)ISOPREPForeign Clearance GuideState Department Requirements Assess potential to automate workflows, where possible, especially security related data and information for tracking and reporting needs. Qualifications Bachelor’s degree is required from an accredited college/university.The following experience is desirable:Master’s degree from an accredited college/university.Minimum of ten (10) years of specialized experience in DOD policy, product support, and logistics.Executive level support experience, experience within DoD and other federal agencies is preferable.Experience in leading and providing technical guidance and direction involving multiple projects of high complexity.Must have experience in managing customer expectations and working directly with customers.Must have outstanding customer service abilities to initiative, judgement, creativity, flexibility, and confidence.Must have the ability to multi-task across multiple projects.Targeted Salary Range: $150,000 - $160,000Disclaimer: The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.#LI_SH1 Job Locations US-VA-Arlington Job SummaryID: 2026-14714# of Openings: 1