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1033 security clearance jobs found

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General Dynamics Mission Systems, Inc
Jun 12, 2026
Systems Engineering Co-op - Security Clearance Required
General Dynamics Mission Systems, Inc Scottsdale, AZ
Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a junior or higher.     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 REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills to a program supporting the defense of our country. GDMS has an immediate opening...
LMI
Aug 05, 2026
Cybersecurity Information System Security Engineer - Clearance Required
LMI Fort Belvoir, VA
Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army  Capability Program Executive (CPE) Gound   office  at Ft. Belvoir, Virginia. The ISSE will drive efforts that support software and hardware cybersecurity Risk Management Framework (RMF) Authority to Operate (ATO).     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...
Lockheed Martin
May 23, 2026
Senior Network Security Engineer (Top Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...
Odyssey Systems Consulting Group
Sep 29, 2026
Full time
Acquisition Information Protection Manager
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity at Eglin AFB, FL for a Journeyman Acquisition Information Protection Manager (AIPM) to support all aspects of acquisition program security throughout the program life cycle.    This role ensures compliance with Government directives relating to Special Access Programs (SAPs), Sensitive Compartmented Information (SCI), and collateral security requirements. The ideal candidate will have demonstrated experience implementing security policies derived from Executive Orders and DoD Manuals, and be capable of developing and maintaining a secure operational environment for government and contractor personnel. Responsibilities Duties include, but not limited to:    Acquisition Program Security Support Execute all aspects of acquisition program security throughout the program life cycle. Develop sound security practices and policies for acquisition, physical,...
LMI
Sep 29, 2026
Full time
Force Management Operations Lead J8 - NCR
LMI Washington, DC
Overview LMI is seeking a Force Management Operations Lead to support a Department of War mission partner J8 with joint force management, capability requirements, strategic planning, analysis, and enterprise integration. This role will serve as a senior integrator across operational, requirements, acquisition, resourcing, and technology stakeholders, translating complex mission needs into prioritized, decision-ready requirements and executable courses of action. The ideal candidate combines deep Joint and Special Operations experience with strong requirements-development expertise, senior leader engagement skills, and the ability to synchronize diverse organizations around common mission outcomes. This position requires on-site support in the National Capital Region and an active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance. The position requires periodic travel to supported commands, operational units, exercises, test events, and industry...
LMI
Sep 29, 2026
Full time
Publications Officer (Overnight Work) - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI currently has an opportunity for a Production and Publications Officer in the McLean, VA area. Interested in a work schedule that frees up your day and avoids rush hour traffic? The general hours for this position are 10:00PM-8:00AM, 4 days a week.   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...
LMI
Sep 29, 2026
Full time
Technology and Innovation Senior Business Analyst
LMI Springfield, VA
Overview LMI is seeking an experienced  Technology and Innovation Senior Business Analyst  at the Department of Homeland Security (DHS), Federal Protective Service (FPS) headquarters in Springfield, VA. This position will support the FPS Technology and Innovation Directorate with a myriad of analytical and business process matters impacting various strategic initiatives and priorities. In addition, the incumbent will provide critical operational support and integration of new or improved programs and processes across the organization. You must be able to work part-time on client site in Springfield, VA .     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...
LMI
Sep 28, 2026
Full time
Senior Army Logistics Operations Analyst - Clearance Required
LMI Arlington, VA
Overview LMI is seeking a skilled Logistics Operations Center Analyst to support Army logistics current operations through operational planning, synchronization, situational awareness, executive decision support, and enterprise coordination. Successfully demonstrate competency in project execution, client delivery, critical thinking, and relationship management while upholding the highest standard of ethical behavior. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively.   This position is part of the team supporting the Army HQDA G-4 ELISS program, delivering innovative solutions that enable critical Army logistics and sustainment missions.   **This position is full-time onsite in Arlington, VA** Occasional weekend work may be required based on mission and operational needs.   LMI is a new...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Logistics Manager
Odyssey Systems Consulting Group MA
Position Summary Odyssey Systems has an exciting opportunity for a Logistics Manager providing support to the Air Force Life Cycle Management Center-Ground Base Air Defense Sensor division (AFLCMC/ESG).   The ESG Division manages efforts focused on developing, acquiring, fielding and sustaining programs that support worldwide communications, Battle Management, Command & Control, Intelligence, Surveillance & Reconnaissance (C2ISR), Air/Ground Surveillance, Time Critical Targeting, Combat Identification, Radar Imagery, Integrated Air/Missile Defense, and Mobile/Fixed C2ISR Performance, Exploitation & Dissemination Facilities.   This is a full time position located at Hanscom AFB, Bedford, MA. Responsibilities Duties includ e, but not limited to :  Determine and correlate requirements for funding, manpower, materiel, facilities, and services with program objectives and acquisition plans....
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Senior Administrative Assistant
Odyssey Systems Consulting Group MA
Position Summary Odyssey Systems has an exciting opportunity for a Senior Administrative Assistant providing support to the Air Force Life Cycle Management Center-Ground Base Air Defense Sensor division (AFLCMC/ESG).   The ESG Division manages efforts focused on developing, acquiring, fielding and sustaining programs that support worldwide communications, Battle Management, Command & Control, Intelligence, Surveillance & Reconnaissance (C2ISR), Air/Ground Surveillance, Time Critical Targeting, Combat Identification, Radar Imagery, Integrated Air/Missile Defense, and Mobile/Fixed C2ISR Performance, Exploitation & Dissemination Facilities.   This is a full time position located at Hanscom AFB, Bedford, MA. Responsibilities Duties includ e, but not limited to:   • Provide comprehensive administrative support to PK leadership and contracting teams. • Manage daily taskers, suspense actions, action...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Test Engineer (Air‑to‑Air / Air‑to‑Surface)
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey Systems has an exciting opportunity for a Test Engineer (Air‑to‑Air / Air‑to‑Surface) supporting the 780th Test Squadron under the TMAS III contract at Eglin AFB, FL.   The 780th Test Squadron is the Air Force’s developmental test agency for air‑to‑air, air‑to‑surface, direct‑fire, and advanced munitions. The candidate should possess working knowledge of airborne weapon systems, as well as fighter/bomber tactics and weapons employment within USAF, USN, or USMC environments. Prior experience in developmental weapons testing and/or operational testing is highly desired. Aircrew experience is also highly desired.   This is a full‑time, onsite position at Eglin Air Force Base, Florida. Responsibilities Duties include, but not limited to:  Establish standards for test documentation and technical reporting. Provide technical review of test directives, methods of test, data packages,...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Command and Control Systems Test Engineer - Mid-Level
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Mid‑Level Command and Control (C2) Test Engineer supporting the 46 Test Squadron at Eglin AFB, FL under the TMAS III contract.   The tactical integration C2 team designs and executes developmental test events across multiple mission areas. This role is ideal for professionals who thrive in fast‑paced environments and enjoy learning new technology areas. Responsibilities span customized test configurations, system‑of‑systems testing, and lab infrastructure support. The C2 Test Engineer will serve as a member of the Command and Control Element supporting Air Base Air Defense Systems (ABADS) and battle management system testing.   This is a full‑time, onsite position at Eglin AFB, FL with travel up to 30% CONUS/OCONUS. Responsibilities Duties include, but not limited to:  Perform as a member of the 46 TS C2 Test Team. Interface directly with System...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Mission Planning Test Engineer - Fighter Weapons - SME
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a SME‑Level Mission Planning Test Engineer supporting the 45th Test Squadron and the United States Air Force at Eglin AFB, FL under the TMAS III contract.   This role provides senior‑level fighter mission planning expertise for developmental and operational test programs. The SME will advise, plan, and execute test activities related to fighter mission planning systems, leveraging extensive operational fighter aircrew experience. The position requires deep knowledge of fighter aircraft operations, mission planning software, and operational testing concepts.   This is a full‑time, onsite position at Eglin AFB, with travel up to 25% CONUS/OCONUS. Responsibilities Duties include, but not limited to:  Provide fighter mission planning domain expertise to the customer and test squadron Serve as the SME authority for fighter mission planning questions and...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Mission Planning Software Test Engineer - JOMS - Senior
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Senior Mission Planning Software Test Engineer (SE‑4) supporting the 96 CTG / 45 TS at Eglin AFB, FL under the TMAS III contract.   This senior‑level role provides mission planning and software testing expertise focused on bomber or fighter mission planning software, supporting development and evaluation of the Joint Mission Planning System Open Mission System (JOMS). The Test Engineer applies extensive aircrew mission planning experience to support software testing, develop evaluation methodologies, assess software performance, and advise customers on software quality.   This is a full‑time, onsite position at Eglin AFB with travel up to 25%. Responsibilities Duties include, but not limited to:  Plan, coordinate, and monitor test projects requiring modifications to standard practices or instrumentation to obtain valid results Plan tests, establish...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Senior Mission Planning Software Test Engineer - B-52
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Senior Mission Planning Software Test Engineer (SE‑4) supporting the 96 CTG / 45 TS at Eglin AFB, FL under the TMAS III contract.   This role provides senior‑level mission planning and software testing expertise for bomber platforms, specifically B‑1, B‑2, and B‑52. The Test Engineer will apply extensive military aircrew mission planning knowledge to support software evaluations, develop testing methodologies, and advise the customer on mission planning software quality. Responsibilities include planning, coordinating, executing, and evaluating test events for automated and manual mission planning tools.   This is a full‑time onsite position at Eglin AFB with travel up to 25% CONUS/OCONUS. Responsibilities Duties include, but not limited to:  Plan, coordinate, and monitor test projects requiring modification of standard practices or adaptation of...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Senior Advanced Battle Management System (ABMS) Test Manager
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Senior Advanced Battle Management System (ABMS) Test Manager supporting Eglin AFB, FL under the TMAS III contract.   The ABMS Test Manager will oversee complex Command and Control (C2) system‑of‑systems test efforts, including planning, documentation development, execution oversight, test reporting, and cross‑stakeholder coordination. This position requires extensive experience in Developmental Test & Evaluation (DT&E), advanced knowledge of DoD test documentation, and strong ability to manage multi‑program test activities across diverse technical domains.   This is a full‑time onsite position at Eglin AFB with travel up to 25% CONUS/OCONUS. Responsibilities Duties include, but not limited to:  Manage test schedules and documentation for complex C2 system‑of‑systems test projects from initiation to completion Manage information systems for...
Odyssey Systems Consulting Group
Sep 25, 2026
Full time
Senior Administrative Support Specialist
Odyssey Systems Consulting Group MA
Position Summary Odyssey has an exciting opportunity for a Senior Administrative Support Specialist within our AFLCMC/C3I group (formerly HBG).   The C2ISR Division is responsible for a diverse portfolio that provides "cradle-to grave" support for the U-2 aircraft, E-8C Joint Surveillance Target Attack Radar System (JSTARS) aircraft, Air Force Distributed Common Ground System (AF DCGS), the Integrated Broadcast Service (IBS) system and other C2ISR programs as they transition to sustainment. The C2ISR Division provides worldwide life cycle support across the spectrum of the C2ISR capabilities based enterprise; including supply, distribution, materiel management, acquisition, system engineering and maintenance, financial planning and budgeting, security, flight test, and contracting functions. The Global Network Systems (GNS) Branch (AFLCMC/ HBGW), located at Hanscom AFB, MA, is one of the numerous branches within the C2ISR Division and reports directly to...
LMI
Sep 25, 2026
Full time
Principal Solutions Architect, Mission Platforms - Clearance Required
LMI Fort Belvoir, VA
Overview LMI is seeking a Principal Solutions Architect to shape the technical direction of a U.S. Army technology modernization program. This role will connect mission requirements with practical architecture across commercial software, cloud, data, cybersecurity, and user-facing applications.   The Principal Solutions Architect will work directly with customer leaders and engineering teams, owning technical decisions from strategy through 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 deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and...
LMI
Sep 25, 2026
Full time
Tier 3 Service Desk Technician - Clearance Required
LMI Remote, UNAVAILABLE
Overview LMI is seeking a Tier 3 Service Desk Technician to support Army Acquisition, Training, and Readiness (AT&R) and provide advanced technical support for the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This position will resolve complex application, system, integration, performance, and configuration issues that require technical investigation beyond routine service desk support.   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 25, 2026
Full time
Information System Security Manager (ISSM)
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 Information System Security Manager (ISSM) to assist the Lead Cybersecurity...
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