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256 security clearance jobs found in Washington, DC

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LMI
Oct 26, 2026
Full time
sUAS Technical Manager
LMI Washington, DC
Overview LMI is seeking a  Technical Manager with strong small Unmanned Aircraft System (sUAS) expertise to support Government leadership personnel, oversee planning and execution of test and evaluation projects for our DHS client in a highly dynamic work environment. This is an on-site position in Harper's Ferry, WV that requires the ability to obtain a Top-Secret clearance or higher. You must be a U.S. citizen.    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,...
LMI
Oct 22, 2026
Full time
FSO / Security w/active TS/SCI
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is  seeking  a driven, results-oriented FSO / Security Lead to own all aspects of personnel,...
LMI
Oct 22, 2026
Full time
Deputy Program Manager w/active Top Secret clearance
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is seeking a Program Manager to lead cost, schedule, and performance execution for a enterprise IT...
LMI
Oct 15, 2026
Principal Solutions Architect, Supply Chain & Logistics
LMI Washington, DC
Overview LMI is seeking an experienced Principal Solutions Architect, Supply Chain & Logistics to shape, integrate, and advance technology-enabled solutions supporting federal supply chain, logistics, industrial base, and sustainment missions. This individual will serve as a senior technical leader across LMI's existing programs and growth pipeline, translating complex mission challenges into innovative, integrated solutions that leverage LMI's proprietary technologies, data assets, analytical capabilities, and domain expertise. Working closely with market leadership, business development, product teams, and program delivery organizations, the Principal Solutions Architect will help establish technical direction, strengthen solution differentiation, and accelerate the adoption of scalable, reusable capabilities across customer engagements.   The ideal candidate combines deep familiarity with federal logistics and supply chain missions, strong technical...
LMI
Oct 09, 2026
Full time
Forward Deployed Engineer - Clearance Required
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. This position requires an active Secret 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
Oct 07, 2026
Full time
Electronic Warfare & Protection Integrator
LMI Washington, DC
Overview LMI seeks an Electronic Warfare & Protection Integrator to support a Department of War (DoW) mission partner by leading technical integration of electronic warfare (EW), protection, and non-kinetic capabilities with autonomous systems, command and control, communications, and supporting mission platforms. The integrator translates mission needs into integration requirements, coordinates electromagnetic compatibility and spectrum considerations, and leads testing and readiness assessments. The ideal candidate combines applied EW experience with systems integration leadership across approved cloud, on-premises, and tactical edge environments.   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...
LMI
Oct 06, 2026
Full time
Applied Mission Engineer
LMI Washington, DC
Overview We are seeking an Applied Mission Engineer to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Applied Engineer will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...
LMI
Oct 02, 2026
Full time
Chief Engineer
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is seeking an accomplished Chief Engineer to serve as the program's senior technical authority for...
LMI
Oct 01, 2026
Full time
Lead Cybersecurity Integrator - w/active Top Secret clearance
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is seeking a skilled Lead Cybersecurity Integrator to provide technical leadership to integrate...
LMI
Sep 30, 2026
Full time
Account Lead/Program Manager - Intel T/S with polygraph required
LMI Washington, DC
Overview LMI is seeking a growth-focused Account Lead/Program Manager to lead a portfolio of analytics and emerging-technology work for our customer, including data science, AI/ML, software development, modeling and simulation, and related mission solutions. This individual will be accountable for portfolio performance and growth, including securing a prime contract vehicle, shaping new opportunities, and expanding the portfolio through pilots and LMI solutions. This position is an onsite position in the National Capital Region and requires a TS/SCI with Poly. 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,...
LMI
Sep 24, 2026
Full time
Data & Systems Analyst (CBP)
LMI Washington, DC
Overview LMI seeks a Business/Systems Analyst to support a federal directorate in the National Capital Region. Join our team of collaborative self-starters focused on delivering practical and efficient solutions to help our client keep U.S. borders safe and facilitate trade and travel. As part of our high-performing team, you will augment our vital work to provide “eyes and ears” technology to protect our nation.    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,...
LMI
Sep 21, 2026
M&S Software Developer
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed M&S Engineer in the Washington, DC region to join one of our M&S customer development teams. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software development, analysis, or deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. This is a hybrid (onsite/remote) role. This position requires the ability to obtain a CBP BI clearance. You must be a U.S. citizen. LMI is a new breed of digital solutions...
LMI
Sep 21, 2026
Technical Program Manager
LMI Washington, DC
Overview We’re looking for a  Technical Program Manager  to lead the deployment and evolution of RAPTR, an enterprise Modeling and Simulation (M&S) Platform, for a DHS customer. You’ll be the senior technical owner of the program: bridging hands-on engineering execution with senior government leadership, mitigating technical and programmatic risk, and making sure the capabilities we ship directly support mission outcomes.  This position requires the ability to obtain a CBP Background Investigation; U.S. citizenship is required.   This role requires deep expertise in cloud platforms, federal compliance environments, and M&S systems, plus the ability to coordinate complex development efforts and align senior stakeholders. You’ll move quickly in an environment that emphasizes building, deploying, and iterating in parallel, communicating clearly, driving consensus, fostering strong team collaboration, and owning the end-to-end solution lifecycle with...
LMI
Sep 17, 2026
Full time
Senior Requirements Engineer
LMI Washington, DC
Overview We are seeking an Senior Requirements Engineer to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Requirements Engineer will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and...
LMI
Sep 15, 2026
Planning and Operations Specialist J7
LMI Washington, DC
Overview LMI seeks a Planning and Operations Specialist to support a Department of War J7 mission partner with experimentation campaigns that validate and field autonomous capabilities. The specialist connects experimentation venues, ranges, operational units, government stakeholders, and vendors; integrates autonomy into Joint exercises and wargames; and converts lessons learned into training, capability, and fielding actions. The ideal candidate is a highly organized planner who coordinates complex events and maintains disciplined follow-through from initial concept through after-action implementation. 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...
LMI
Sep 10, 2026
Full time
IT Hardware Engineer w/active Top Secret clearance
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is seeking a skilled IT Hardware Engineer to support the procurement, configuration, deployment, and...
LMI
Sep 08, 2026
Full time
Program Manager- Intel TS w/polygraph
LMI Washington, DC
Overview The Program Manager will own a portfolio of analytics and emerging-technology work for our customer, including data science, AI/ML, software development, modeling and simulation, and related mission solutions. This individual will be accountable for portfolio performance and growth, including securing a prime contract vehicle, shaping new opportunities, and expanding the portfolio through pilots and LMI solutions. This position requires TS/SCI with Poly. 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...
LMI
May 06, 2026
Data Scientist - TS/SCI with Polygraph Required
LMI Washington, DC
Overview LMI is seeking a Data Scientist to support our Intelligence Community client.   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.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic...
General Dynamics Mission Systems, Inc
Feb 20, 2026
Strategy and Business Development Director
General Dynamics Mission Systems, Inc Washington, DC
Basic Qualifications Education:   Bachelor’s degree or equivalent is required plus a minimum of 15 years of demonstrated leadership; or Master's degree plus a minimum of 13 years of demonstrated leadership.   CLEARANCE REQUIREMENTS: Department of Defense secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.   Responsibilities for this Position General Dynamics Mission Systems has an immediate opening for a Strategy and Business Development Director for our Strategic Systems Business Area within the Maritime and Strategic Systems Line of Business.  The successful candidate will lead the strategy and business development team for the Strategic Systems business area within General...
LMI
Aug 04, 2026
COMSEC Specialist w/active Top Secret clearance
LMI Washington, DC
Overview 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, 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.   Responsibilities LMI is seeking a skilled COMSEC Specialist to manage communications security material, equipment, and...
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