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147 security clearance jobs found in Washington, DC

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Information Technology Washington, DC security clearance
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LMI
Apr 02, 2026
Full Stack Developer - TS/SCI with Polygraph Required
LMI Washington, DC
Overview LMI is currently seeking a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, D.C. The ideal candidate will bring experience in multiple development technologies and methodologies as well as strong process transformation skills to enhance the team's capabilities. Relevant experience for this role may include any or all the following: software development, cloud engineering, management consulting, implementing software code, and debugging technical issues. Ability to research, test, build, and coordinate integration per government requirements.   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
Aug 04, 2025
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.   LMI offers a generous compensation package with excellent benefits that start the first day of employment. Business...
LMI
Apr 08, 2026
Facilities Project Manager
LMI Washington, DC
Overview LMI seeks an experienced project manager to provide project oversight support to a DHS facilities portfolio management program overseeing large capital construction projects within our client’s facility and infrastructure portfolio.  Join our team of collaborative self-starters focused on delivering practical and efficient solutions to help DHS keep our nation safe while supporting the facilitation of legitimate trade and travel.   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...
LMI
Feb 11, 2026
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 11, 2025
Genesys Technical Specialist
LMI Washington, DC
Overview LMI is seeking a dynamic and strategic Genesys Practice Manager to cultivate, strengthen, and advance our partnership with Genesys and lead go-to-market architecting for LMI’s Call Center as a Service (CCaaS) solutions. This role requires a self-starter who can drive strategic initiatives, manage go-to-market efforts, support business development teams as a platform expert, and enable LMI’s delivery teams to maximize value from the partnership. The ideal candidate blends Genesys technical acumen with business development savvy, and thrives in a mission-driven, collaborative environment.   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
Aug 04, 2025
DevSecOps Engineer (DHS)
LMI Washington, DC
Overview Join our  cutting -edge generative AI ( GenAI ) platform,  LIGER™ , created by its technology studio, LMI  Forge . LIGER™ harnesses the power of advanced technology, data analytics, and the latest in machine learning and natural language processing to provide secure, private, and trustworthy GenAI solutions for government.   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...
Lockheed Martin
Jan 28, 2026
Cyber Applied Research Scientist (AR) / Onsite: Arlington, VA
Lockheed Martin Arlington, VA
Description: “Exciting Cyber Opportunities Await You!” Are you ready to dive into the thrilling world of cybersecurity? For nearly two decades, the Advanced Concepts Laboratory (ACL) has been at the forefront of innovation, crafting cutting-edge cyber solutions for the Department of Defense (DoD) and Intelligence Community (IC). Our mission: to empower our nation's heroes with game-changing Information Operations (IO) and Computer Network Operations (CNO) technologies that tackle some of the toughest challenges head-on. Cyber is an ever-changing domain, and at ACL, we're the revolutionaries leading the charge. We're a passionate, problem-solving team that thrives on tackling the most complex, enigmatic issues. If you revel in the thrill of finding solutions when the path isn't clear, if the idea of creating groundbreaking operational capabilities excites you, and if you thrive in an open, collaborative environment, we want to hear from you! Our quest for cyber excellence...
LMI
Mar 19, 2026
Data Scientist (SME) - TS/SCI with Polygraph Required
LMI McLean, VA
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, 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.   Position is on the research staff of a government consulting organization and will be based out of Reston, VA. This position provides verified mathematical and scientific techniques...
LMI
Mar 19, 2026
Technical Program Manager - Polygraph Clearance Required
LMI McLean, VA
Overview Join our cutting-edge generative AI (GenAI) platform,  LIGER™ , created by its technology studio, LMI  Forge . LIGER™ harnesses the power of advanced technology, data analytics, and the latest in machine learning and natural language processing to provide secure, private, and trustworthy GenAI solutions for government.   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....
LMI
Mar 19, 2026
Data Scientist - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI is seeking a Data Scientist  to support a U.S. Federal Government Agency working with classified media. This position will work with a team of developers, architects, and data scientists to build new capabilities for our client, bringing innovative ideas to challenging and complex problems. The Data Scientist will query and structure data, apply algorithms to develop machine learning models, develop metrics and data visualizations, and deploy visualization products to web-based environments. The Data Scientist will have a strong background in technology, the ability to structure data for reporting, and a strategic view for how to present analytic results to customers. This position will be responsible for presenting and explaining complex results to users. Join our team of collaborative self-starters focused on delivering practical and efficient solutions in support of our client's incredibly important mission.     LMI...
LMI
Apr 21, 2026
Senior Service Designer - Clearance Required
LMI Tysons, VA
Overview We are seeking a Principal Service Designer to serve as a senior practitioner and thought leader, translating complex operational environments into scalable, technology-enabled service solutions within our NADACS/SPECTR logistics management solution.   This role sits at the intersection of mission operations, system design, and product delivery, defining how hardware, software, and data come together to support real-world logistics workflows. You will lead discovery efforts and develop service blueprints, workflow models, and system interaction frameworks that directly inform product strategy, feature development, and deployment, ensuring that customer realities across warehouses, shipyards, and other mission-critical environments are reflected in how solutions are built and delivered.    As a key bridge between customers, product management, and engineering, you will translate field insights into clear, actionable solution definitions that...
LMI
Apr 10, 2026
Software Development Intern (FIU Students)
LMI Tysons, VA
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, 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 Analyzing complex processes from an enterprise perspective.    Assessing operations, identifying opportunities for enhancement, and developing...
LMI
Apr 01, 2026
Platform Engineer - Clearance Required
LMI Tysons, VA
Overview   LMI, a trusted government contractor with decades of experience delivering cutting-edge solutions, is seeking a driven and innovative Platform Engineer to support the deployment and maintenance of IronSled, a DevSecOps product tailored for government-authorized environments. IronSled accelerates software development and deployment in highly regulated environments by meeting stringent federal security requirements. The product streamlines accreditation processes for secure infrastructure within authorized government networks on cloud or on-premise systems. This position requires and active Secret clearance. This position can be performed remotely or hybrid (with occasional on-site work in government-authorized 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...
LMI
Apr 01, 2026
Cloud Engineer
LMI Tysons, VA
Overview LMI is seeking a Cloud Engineer to support our LIGER platform to meet specific customer needs.   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 Responsible for evaluating...
LMI
Mar 20, 2026
Service Desk Technician
LMI Tysons, VA
Overview This position provides frontline technical support to corporate staff and customers by diagnosing and resolving computer hardware and software problems. The candidate will work closely with technical, professional, and service teams to manage escalations, coordinate repairs, deliver user training, and ensure high-quality support services. Responsibilities Maintain, analyze, image, troubleshoot, and repair LMI computer systems, including hardware, software, peripherals, and end-user devices. Assist users via remote access and phone support. Conduct initial troubleshooting during the first user contact to isolate problems until resolution. Troubleshoot and resolve technical issues using Service Desk tools, ensuring timely, effective, and well documented resolution. Provide support for account creation, maintenance and removal, as well as troubleshoot standard desktop and corporate applications. Troubleshoot and...
LMI
Mar 19, 2026
Full-Stack Developer-TS/SCI/Polygraph
LMI Tysons, VA
Overview LMI is seeking a Full-Stack Developer with proficiency in Agentic AI to join the Chief Technology Office development team. This position requires an individual who thrives in dynamic environments, rapidly delivering results while maintaining flexibility to adapt to shifting priorities. This position requires active Top Secret with Polygraph clearance. You must be a U.S. citizen. We are seeking a Full Stack Developer to support mission-focused application development within a secure cloud and on-premise environment. The selected candidate will contribute across the full software development lifecycle, including application design, UI development, backend services, and large-scale data processing workflows . This role requires experience building scalable applications that integrate cloud services, data platforms, and analytics tools to support operational and analytical systems. Responsibilities...
LMI
Mar 19, 2026
Intelligence Program Manager
LMI Tysons, VA
Overview LMI is seeking a skilled Program Manager to support LMI’s Intelligence Programs account. The Portfolio Manager will lead multiple project delivery teams, drive program schedules, manage project financials, and ensure high quality delivery of LMI contracts.   A successful Program Manager will be highly skilled in project management, agile methodologies, communication, project planning, and financial management, as well as detail-oriented, able to hold teammates accountable to quality expectations and timelines, and responsive to evolving client needs. A background in digital transformation is highly desired. The Program Manager must demonstrate competency in leadership, strategic thinking, relationship management, multitasking, schedule management, and delivery excellence. The Program Manager must thrive in an environment working with internal and external stakeholders across various disciplines and can conduct technical and business-level...
LMI
Mar 13, 2026
Security Readiness Architect (GRC SME)
LMI Tysons, VA
Overview We are looking for a Security Readiness Architect to design and guide secure system architectures that can achieve and sustain federal cybersecurity authorization. This role focuses on translating complex regulatory frameworks into practical architecture patterns that enable platforms and applications to meet the rigorous expectations of federal security programs. You will operate at the intersection of security architecture, DevSecOps, and Governance, Risk, and Compliance (GRC)—ensuring systems are architected for authorization success while also guiding the documentation, risk management, and programmatic processes required to achieve and maintain compliance.   This role is ideal for an experienced security architect or senior federal cybersecurity professional who understands both federal authorization frameworks and modern cloud/software architectures, and who can bridge engineering teams, security governance functions, and government...
LMI
Mar 04, 2026
Full-Stack Developer with Agentic AI
LMI Tysons, VA
Overview LMI is seeking a Full-Stack Developer with proficiency in Agentic AI to join the Chief Technology Office development team. This position requires an individual who thrives in dynamic environments, rapidly delivering results while maintaining flexibility to adapt to shifting priorities. This position requires the ability to obtain a Secret clearance; active Secret clearance preferred. 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
Jan 07, 2026
Data Science Intern (USPS) - Summer 2026
LMI Tysons, VA
Overview LMI is seeking a highly motivated Data Science & AI/ML Intern for Summer 202 6 to contribute to impactful projects in data science, software development, and artificial intelligence/machine learning (AI/ML). This internship provides an opportunity to work with cutting-edge technologies, analyze complex datasets, and develop AI-driven solutions that support LMI’s mission to provide innovative solutions for government clients.       This role is dedicated to bolstering our Advanced Analytics & AI practice and supporting our USPS customer.      *This position is currently full-time onsite at the customers Washington DC office.      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...
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