FSO / Security Lead w/active Top Secret clearance
LMI
OverviewLMI 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, homeland, healthcare, and intelligence 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. ResponsibilitiesLMI is seeking a driven, results-oriented FSO / Security Lead to own all aspects of personnel, physical, and industrial security for a multi-site, TS/SCI enterprise IT program supporting users across dispersed government facilities—including greenfield SCIF construction and accreditation. This individual will serve as the Facility Security Officer, ensuring full compliance with NISPOM, ICD 705, and applicable DoD/IC security requirements across all program locations.LMI is seeking a driven, results-oriented FSO / Security Lead to own all aspects of personnel, physical, and industrial security for a multi-site, TS/SCI enterprise IT program supporting users across dispersed government facilities—including greenfield SCIF construction and accreditation. This individual will serve as the Facility Security Officer, ensuring full compliance with NISPOM, ICD 705, and applicable DoD/IC security requirements across all program locations. Primary duties include: Serve as the Facility Security Officer (FSO) for the program, ensuring compliance with the National Industrial Security Program Operating Manual (NISPOM). Manage personnel security processes, including clearance processing, briefings, and debriefings. Oversee physical security requirements across multiple facility locations. Support ICD 705 (SAP-F)-compliant SCIF facility design, accreditation roadmap development, and buildout coordination across greenfield and existing program facilities. Serve as the primary liaison with government security representatives and oversight agencies. Manage Government-issued DD Form 254 compliance and classification guidance; coordinate SCI/SAP access sponsorship and processing with cognizant security and accrediting authorities.Develop and deliver security training and awareness programs for program staff. Drive the cleared workforce recruiting pipeline and conduct incumbent capture security assessments at existing program sites to accelerate transition to production. Location: This position is based in the Washington, DC metro area, with travel to program locations. Travel: This position requires approximately 25-50% travel to support activities across multiple program locations. QualificationsRequired: Bachelor's degree in a related field or equivalent experience. 7+ years of industrial or personnel security experience, including FSO responsibilities. Working knowledge of NISPOM and DoD/IC security requirements. Demonstrated experience leading or supporting large, geographically dispersed teams. Hands-on experience with ICD 705 SCIF facility design standards, facility accreditation, and coordination with cognizant security authorities. Demonstrated experience managing DD Form 254 compliance and classification guidance across DoD/IC programs. Direct experience supporting Special Access Program (SAP) facilities, systems, or environments. Nice to Have: FSO Program Management certification. Experience supporting greenfield SCIF construction, facility buildout, and initial accreditation at multiple locations. Familiarity with Risk Management Framework (RMF) security authorization processes per NIST SP View phone number on click.appcast.io. Experience managing cleared workforce pipelines and incumbent capture security assessments.TS/SCI clearance with SAP eligibility is required for this position.TS/SCI clearance with SAP eligibility is required for this position. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. LMI will only consider applicants with current security clearances. Please note that only U.S. citizens are eligible for a security clearance. Job LocationsUS-DC-Washington, DCJob SummaryJob ID: 2026-14336# of Openings: 1Benefit Type: Salaried High Fringe/Full-Time
$125k - $210k
...Systems Engineer / Endpoint Lead to manage systems engineering... ...integration efforts with network, security, and facility teams.... ...approximately 25-50% travel to support activities across multiple program... ...systems, or environments. TS/SCI clearance and SAP eligibility are...Secret clearanceFull timeContract work$104k - $166k
...Cyber Threat Analyst (I&W) with Splunk SIEM and... ...threat actor activity.Perform pattern, trend... ...of a SIEM and other security tools and logs.Liaise... ...required. An active Top Secret security clearance with SCI eligibility.... ...galaxy. As the world’s leading mission capability integrator...Secret clearanceFull timeContract workShift work$112k - $179k
...is now Hiring: TASO Team Lead - Federal Strategic Cyber... ...current.Manage escalated security events from CIRT, delivering... ...improvements, and testing activities.Provide subject matter expertise... ...required.Active Top Secret security clearance.Ability to obtain a final...Secret clearanceContract workImmediate startShift work$86k - $138k
...expertise directly strengthens national security. In this role, you’ll build modern,... ...as the primary focus of your work.Lead the development of custom web... ...development.U.S. Citizenship required.Active Top Secret security clearance with SCI eligibility. Must have the...Secret clearanceContract workCasual workShift work- ...Yes Reports To: ARMADA HQ Security Clearance Required: TS/SCI w/ CI Poly *********CONTINGENT UPON... ...: The Security Task Lead shall provide management, direction... ...General Experience: Must possess an active Top Secret (TS) clearance with SCI eligibility...Secret clearanceFull timeContract workFor contractorsFor subcontractorLocal areaRelocation
- ...(SFI), a two-time USAToday Top Workplaces awardee and Washington... ...highly motivated Facility Security Officer (FSO) to manage all aspects of... ...the personnel security clearance process, including initial... ...Security System (NISS). ~ Active Secret security clearance (minimally...Secret clearanceFull time
$111k - $192k
...functional teams to ensure reliable, secure connectivity across multiple... ...25-50% travel to support activities across multiple program... ...facilities. Demonstrated experience leading or supporting large,... ...systems, or environments. TS/SCI clearance and SAP eligibility are required...Secret clearanceFull timeContract workNight shift$180k - $270k
...of technical and functional leads to on-time, on-budget outcomes... ...scheduling, staffing pipeline activation, and early wins that build... ...compliance with contractual, security, and quality requirements across... ...teams.An exisiting TS/SCI clearance is required for this position...Secret clearanceFull timeContract workFor subcontractorInterim role$125k - $156k
...solutions to complex national security issues. With over 50 years... ...Modeling and Simulation Team Lead to provide high level... ...presentation required during interview)Active DoD Secret Clearance (and the ability to upgrade... ...will attract and retain top talent. Elements of the compensation...Secret clearanceImmediate startFlexible hours$132.5k - $221.3k
...Training.ResponsibilitiesAs The Security Specialist - Physical Security Lead you will:Protect classified facilities... ..., and coordinates recurring activities needed to preserve controlled-... ...classified environments.Active Top Secret clearance with SCI eligibility; must be able...Secret clearanceFor contractorsWork experience placement- ...Description Description: A Team Lead will oversee all Escort... ...escort them outside the security perimeter after completion... ...business. Keep and maintain an active log of all individuals... ...skills Must have Secret or Top Secret Clearance, depending on the work location...Secret clearance
$132.5k - $221.3k
...Engineering & Analysis, and Training.ResponsibilitiesAs The Security Specialist PERSEC Lead, you will:Administer personnel-security actions... ...lead a team in fast paced classified environments.CLEARANCE: Active Top Secret clearance with SCI eligibility; must be able to meet...Secret clearanceFor contractorsWork experience placement$110.5k - $184.6k
...Responsibilities As The International Security Team Lead, you will:Coordinate security... ...partner engagement, and classified activities in multinational environments.Apply... ...paced classified environments.Active Top Secret clearance with SCI eligibility; must be able to...Secret clearanceFor contractorsWork experience placement$132.5k - $221.3k
...Export Compliance Contract Team Lead, you will:Perform export-... ....Collaborate with security, legal, engineering, disclosure... ...enabling authorized mission activity.Through disciplined records,... ...classified environments.Active Top Secret clearance with SCI eligibility; must be...Secret clearanceContract workFor contractorsWork experience placement$132.5k - $221.3k
...Training.ResponsibilitiesAs The Security Specialist - Program Protection Lead, you will:Integrates safeguards... ...implementation throughout program activities.By maintaining a coherent view... ...classified environments.Active Top Secret clearance with SCI eligibility; must be able...Secret clearanceFor contractorsWork experience placement- ...as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect... ...of time up to two weeks in support of mission activities. Possesses an active TOP SECRET/SCI clearance and possesses eligibility requirements to access classified...Secret clearanceContract workRelocationFlexible hours
$117.23k - $195.39k
...now. We are currently seeking a Lead Enterprise Architect - TOP SECRET Clearance to join our team in Arlington,... ...translate mission and business needs into secure, scalable, interoperable solutions... ...architecture principles. Active Top Secret security clearance with...Secret clearanceTemporary workWork at officeRemote workFlexible hours$132.5k - $221.3k
...Training.ResponsibilitiesAs The Security Specialist Industrial Lead, you will:Protect classified work... ...considerations, and classified performance activities for compliance with applicable... ...classified environments.Active Top Secret clearance with SCI eligibility; must be...Secret clearanceContract workFor contractorsWork experience placement- ...serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our... ...performance optimization. WHAT YOU’LL NEED TO SUCCEED Active Top Secret security clearance with SCI eligibility. Bachelor’s degree in a...Secret clearance
$159.6k - $266.5k
...ResponsibilitiesAs The COMSEC Engineer Team Lead you will:Provide senior... ...for communications security engineering in classified... ...environments.Direct COMSEC engineering activities involving cryptographic key... ...environments.Active Top Secret clearance with SCI eligibility; must...Secret clearanceFor contractorsWork experience placement$132.5k - $221.3k
...and Training.ResponsibilitiesAs The Security Administration Team Lead, you will:Provide disciplined... ...track required reviews or follow-up activities.Support security specialists and Government... ...certifications a plusActive Top Secret clearance with SCI eligibility; must be able...Secret clearanceFor contractorsWork experience placement$238k - $284k
...to apply for the Facility Security Officer (FSO) role at Corelight Join to... ...operations including personnel clearance processing, tracking,... ...Must possess and maintain an active Top Secret security clearance. Must... ...-critical assets in leading enterprises, government, and...Secret clearanceFull timeTemporary workFor contractorsInternshipWork at officeRemote workWork from homeWorldwide$132.5k - $221.3k
...Responsibilities As The Physcial Secruity Lead you will provide senior-... ...expertise for physical security supporting a classified... ...supporting Government and contractor activities. Essential Responsibilities:... ...a plus Active Top Secret clearance with SCI eligibility; must be...Secret clearanceContract workFor contractorsWork experience placement- ...Systems Architect – Top Secret Required GOVERNMENT AGENCY: DOJ NSD – National Security Division POSITION INFORMATION: Full-Time Position; Government contractor... ...Infrastructure Certifications, plus Active Top Secret, required. WORK ENVIRONMENT AND...Full timeFor contractorsWork at officeFlexible hours
$156.5k - $191.2k
...Connect. Grow. with KBR!KBR’s National Security Solutions team provides high-end... ...qualified candidate to act as Team Lead for a team supporting the Chief... ...personnelRequired Qualifications:CURRENT and ACTIVE TOP SECRET / SCI security clearance Requires 4 O years of experience...Secret clearanceFull timeContract workTemporary workFor contractorsFor subcontractorWork at officeLocal areaRelocation packageFlexible hours$222k - $332k
...the intelligence and national security communities. In this... ...Navy/Maritime Division Growth Lead who will work in partnership... ...updates and meaningful weekly activity report inputsDrive collaboration... ....Basic Qualifications:Top Secret clearance; SCI eligibility requiredMinimum...Secret clearanceFull timeTemporary workCasual workLocal areaRelocation packageFlexible hours$81.15k - $137.95k
...Marketing & Communications Lead to support a high-visibility... ...client within the national security space, focused on large-... ...Support stakeholder engagement activities, including meetings,... ...Basic Qualifications Active Top Secret (TS) clearance required Ability to work onsite...Secret clearanceFull timeContract workWork experience placementWork at officeRemote work$81.15k - $137.95k
...Marketing & Communications Lead to support a high-visibility... ...client within the national security space, focused on large-... ...collaborative planning and execution activities in a fast-paced, mission-... ...Qualifications Active Top Secret (TS) clearance required Ability to work...Secret clearanceFull timeContract workWork experience placementWork at officeRemote work- ...talented individual for the position of Activity Security Representative I.Job Description:... ...functions as directed by the contractor site lead and/or the Senior Security... ...experience SecurityRequirements: Current Top Secret Clearance with SCI EligibilityEligibility for access...Secret clearanceFor contractorsWork at office
$86k - $138k
...communications, and physical security and resilience, and in... .... In this role, you will: Lead small projects with manageable... ...matters.Coordinate activity across organizational lines... ...citizenship required.An active Top Secret Security Clearance w/ SCI eligibility. In...Secret clearanceFull timeContract workShift work
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