Ts/sci Security Clearance Jobs

This Mid/Sr System Administrator role within Leidos' Intel Sector supports a complex, geographically distributed network environment focused on national security. The position involves installing and maintaining Windows and Linux servers, managing Active Directory configurations, and performing security hardening in high-assurance environments. Key responsibilities include optimizing system performance, managing vulnerability assessments, patching, and documenting infrastructure for incident resolution. The role appeals to candidates seeking to work on cutting-edge cybersecurity and signals intelligence projects with a team that values professional growth and technical upskilling. The position requires a Top Secret clearance with polygraph and offers flexible scheduling options alongside a collaborative culture dedicated to mission-critical innovation.

This full-time Cyber Reverse Engineer role is based at Aberdeen Proving Ground, Maryland, with up to 10% travel within the continental US. The position involves performing advanced analysis and evaluation of applications and firmware, utilizing tools like IDA Pro or Ghidra for static and dynamic analysis. Key responsibilities include developing new techniques for various systems, debugging code in C++ and Python, and articulating complex technical findings to stakeholders. The role appeals to candidates seeking a culture of integrity and continuous growth within a high-performing team dedicated to national security missions. Employees benefit from a flexible work environment, autonomy, and access to robust learning resources to support their professional ambitions.

This full-time Systems Administrator Principal role supports the Engineering, Development, Integration and Sustainment program for the U.S. Space Force at Schriever AFB. The position focuses on managing a Linux-heavy enterprise environment, including the installation, configuration, and maintenance of production servers within a VMWare virtualized infrastructure. Key responsibilities involve enforcing DISA STIG security compliance, performing daily system monitoring and log management, executing security scans, and conducting root cause analysis for hardware and software issues. The role appeals to candidates seeking to contribute to national security missions while working with a highly technical, cross-functional team. The position requires a TS/SCI clearance and offers a collaborative culture focused on resilience and advanced technology, with occasional on-call support duties.

The Cyber Information Assurance Analyst III role supports federal government clients by validating security requirements and assessing systems within complex networking environments. Key responsibilities include conducting cybersecurity audits, performing vulnerability assessments using tools like eMASS and Nessus, and analyzing security gaps to provide mitigation recommendations. The position requires travel approximately 85% of the time across domestic and international locations. This opportunity appeals to professionals seeking to work with a diverse holding company that supports economic development for the Chickasaw Nation. The role offers immediate eligibility for premium benefits including medical, dental, vision, and 401(k) with immediate vesting, alongside professional development assistance and a collaborative culture focused on national security.

This full-time Systems Administrator role supports the Engineering, Development, Integration and Sustainment program for the United States Space Force at Schriever AFB. The position focuses on managing a Linux-heavy enterprise environment within a virtualized infrastructure. Key responsibilities include provisioning and maintaining production servers, enforcing DISA STIG security compliance, performing root cause analysis on system issues, and collaborating with cross-functional engineering teams. The role offers the opportunity to work on critical national security space operations with a highly technical team. While the position is based on-site, it involves occasional off-hours on-call support. The environment emphasizes a collaborative culture where professionals can apply their expertise in Red Hat Enterprise Linux, VMware, and network security to enhance the resilience of the national space enterprise.

This full-time Acquisition Program Analyst role serves as a Subject Matter Expert supporting Fighter Modernization programs at the Pentagon. The position involves managing a $10 billion portfolio of global power initiatives, including legacy and next-generation aircraft and munitions. Key responsibilities include supporting budget preparation and defense, analyzing program execution data, and providing strategic recommendations on acquisition strategies and milestone decisions. The role requires maintaining compliance with complex Air Force policies and preparing documentation for high-level reviews and congressional activities. This opportunity appeals to professionals seeking to directly influence the future of Air Force combat capabilities within a collaborative headquarters environment. The position is onsite at the Pentagon and offers a comprehensive benefits package including health insurance, retirement matching, and paid time off.

The Business Financial Professional role supports government financial management operations within the Finance and Accounting department at CACI in the Fort Meade, Maryland area. The position involves creating and maintaining spend plans, modifying requisitions to ensure compliance, and assisting with the validation of unliquidated obligations. Additional duties include preparing purchase requests and supporting end-of-year financial activities. This opportunity appeals to candidates seeking professional growth within a Fortune-recognized company known for its culture of integrity and trust. The role offers a flexible work environment with unique time-off benefits and access to robust learning resources, while requiring up to 10% local travel.

This on-site Task Lead role at Macdill AFB supports USSOCOM as a primary liaison between government representatives and contractor personnel. The position requires managing DVRED processes, overseeing DOTMLPF-P assessments, and coordinating pre-deployment and administrative requirements for CONUS and OCONUS operations. Key duties include directing the contractor workforce to meet mission milestones, analyzing training effectiveness, and developing products for global special operations exercises. The role appeals to candidates with a Special Operations Forces background seeking to work within a veteran-founded culture that emphasizes selfless service and teamwork. The position offers a comprehensive benefits package including flexible paid time off, health insurance, and retirement planning, providing a supportive environment for experienced professionals dedicated to national defense.

This full-time Resource Management Professional role supports the Program, Planning, Budgeting, and Execution process at the government executive level within the Project and Program Management department. Key responsibilities include providing financial and program management services focused on analytics and strategic planning, as well as assisting with the implementation and tracking of programmatic resource decisions across acquisition programs. The position requires an active TS/SCI clearance with polygraph and involves up to 10% local travel. The role is appealing due to a culture of integrity and trust that prioritizes character and innovation, offering employees autonomy through flexible time off and access to robust learning resources for continuous career growth while contributing to critical national missions.

The Communications Systems Specialist role at GovCIO focuses on analyzing and resolving operational challenges for satellite systems within the San Antonio, Texas office. Key responsibilities include installing, configuring, and maintaining telecommunications equipment, troubleshooting complex network issues, and providing technical expertise for SATCOM terminals. The position requires active TS/SCI clearance and experience with DoD networks. This opportunity appeals to candidates seeking a challenging technical environment where they can apply their engineering skills to critical infrastructure while working onsite in a collaborative team setting.

This full-time Administrative Support Officer role within the Administration department provides comprehensive support to customers across the organization, requiring a TS/SCI clearance with Polygraph. Key responsibilities include managing complex customer requests, resolving specialized issues through cross-disciplinary collaboration, and improving workflow efficiency by analyzing data trends. The position also involves maintaining strict documentation standards and facilitating training sessions. The role appeals to candidates seeking a mission-driven environment focused on national safety, offering a culture of integrity and continuous professional growth. Employees benefit from flexible time off, robust learning resources, and the opportunity to work with minimal supervision. The position allows for up to 25% local travel and requires the ability to handle items weighing up to 50 pounds.

This Instrumentation Engineer role provides advanced technical expertise to support Air Force test and evaluation missions at Nellis Air Force Base. The position involves planning, designing, and sustaining complex airborne and ground-based instrumentation systems for fifth-generation aircraft platforms. Key responsibilities include applying electronics engineering principles to troubleshoot and validate system performance, advising on emerging technologies, and preparing rigorous technical documentation. The role appeals to professionals seeking to serve as a technical authority in a secure environment while contributing to national defense objectives. The position offers a comprehensive benefits package including health care, retirement plans, and professional development opportunities within a collaborative engineering team.

The Training Specialist 2 role is based at Fort Meade, Maryland, supporting a team focused on developing and delivering technical training for military and agency personnel. The position requires a background in electrical engineering or computer science with specific expertise in SIGINT systems and wireless communication technologies. Key responsibilities include designing and developing instructor-led and web-based training curricula, presenting materials to large audiences, and providing guidance to junior contractor personnel. The role also involves analyzing training needs, evaluating outcomes, and ensuring compliance with government policies. This opportunity appeals to candidates seeking to contribute to a mission-critical environment within a small, employee-focused company that offers comprehensive benefits, including full healthcare coverage, a 401k match, and educational assistance.

This full-time Network Incident Management Quality Assurance Analyst role supports the continuous improvement of IT network incident processes within a high-performing IT team. The position requires maintaining ITIL-aligned quality standards, conducting audits of incident records, and analyzing data to identify process improvements. Key duties include supporting staff training, participating in post-incident reviews, and optimizing incident management tools. The role offers a flexible work arrangement with up to 10% travel and a culture focused on integrity, trust, and continuous professional growth. Candidates must hold a TS/SCI clearance with Polygraph and possess extensive experience in network protocols and ITSM workflows.

The Senior Mission Operations Engineer role serves as a primary integrator between engineering, ground software, and flight teams to lead spacecraft mission operations throughout the lifecycle. Key responsibilities include defining and validating operational constraints, developing flight procedures and risk mitigation strategies, and providing mentorship to junior engineers. The position requires leading cross-team coordination for real-time operations and ensuring mission readiness through rigorous testing and rehearsals. This opportunity appeals to professionals seeking to work on a small, fast-paced team within a rapidly evolving space environment. The role offers significant growth potential through continuous improvement initiatives and a collaborative culture focused on operational excellence. Candidates must be eligible for a TS/SCI clearance and possess deep expertise in mission operations concepts.

This full-time Programmatic Spacecraft Systems Engineer role is based on-site in Chantilly, Virginia, supporting critical national defense satellite programs. The position involves defining requirements from design through launch, evaluating contractor performance at milestone reviews, and serving as the primary technical liaison between the government and industry teams. Key responsibilities include leading system trades, developing technical briefings, and ensuring compliance with complex mission requirements. The role appeals to candidates seeking to work at the forefront of space innovation within a fast-paced acquisition environment that offers direct access to senior decision-makers. Success requires navigating ambiguity and delivering high-impact solutions with minimal supervision. The position includes approximately 10% travel and requires an active TS/SCI clearance with polygraph.

The DSP Communications Engineer role supports a top defense technology client within the Intelligence and Defense communities. This highly autonomous position focuses on designing and implementing solutions to collect, process, and exploit complex RF signals using real-time Software Defined Radio systems. Key responsibilities include developing multi-threaded signal processing algorithms in C/C++ and Python, creating complex modeling techniques, and driving systems development projects to ensure mission effectiveness. The position is appealing due to the opportunity to engage in cutting-edge research and development while working in a collaborative environment that values technical expertise. The role requires a mandatory TS/SCI clearance and offers full-time employment with opportunities for career growth and advancement.

This onsite leadership role in Rancho Bernardo, CA, involves managing a team of approximately 17 individuals within the Global Supply Chain Subcontracts organization at Northrop Grumman. The position oversees the full lifecycle of subcontracts for restricted programs, including sourcing specialized goods, developing contract specifications, and managing supplier relationships. Key responsibilities include leading source selection, negotiating to reduce costs and manage risk, ensuring compliance with federal regulations, and utilizing Lean Six Sigma for continuous improvement. The role offers a flexible 9/80 work schedule with every other Friday off, opportunities to work on revolutionary aerospace systems, and a collaborative culture that values intellectual curiosity and ethical leadership. While the position requires 25% travel and the ability to obtain a Top Secret clearance, it provides a dynamic environment for professionals to drive strategic growth and make history.

The Senior GNC Engineer role at Turion Space involves designing and implementing guidance, navigation, and control systems for satellite missions in Irvine, California. Key responsibilities include developing advanced algorithms for Rendezvous and Proximity Operations, conducting hardware-in-the-loop simulations, and leading technical trade studies to ensure mission success. The position offers the opportunity to mentor junior engineers, drive strategic technical decisions, and support active satellite operations in Low Earth Orbit. This role is appealing for its chance to work on cutting-edge space technology within a fast-paced startup environment, featuring a collaborative culture, equity participation, and comprehensive professional development opportunities.

This full-time Hardware Integration Engineer role is based in Dulles, Virginia, within a multidisciplinary engineering team focused on RF systems. The position involves designing and optimizing complex RF analog and digital systems from concept through deployment, while collaborating with mechanical, software, and production groups. Key responsibilities include leading system design reviews, conducting RF link budget analysis, building prototypes, and creating comprehensive technical documentation. The role offers a flexible work arrangement with up to 10% local travel and provides a culture of integrity and trust. Employees benefit from autonomy, robust learning resources, and opportunities for continuous professional growth within a mission-driven organization dedicated to national safety.

The DSP Communications Engineer role supports a top defense technology client by designing and implementing solutions for collecting, processing, and exploiting complex RF signals. Key responsibilities include developing real-time Software Defined Radio systems, creating multi-threaded signal processing algorithms in C/C++ and Python, and driving systems development projects within the Intelligence community. This highly autonomous position offers the opportunity to engage in cutting-edge research and contribute to mission-critical geolocation techniques. The role appeals to engineers seeking to apply advanced digital communications expertise in a collaborative environment with significant opportunities for career growth and professional advancement.