Senior Systems Engineer/Analyst (ONSITE) RTXSenior Systems Engineer/Analyst (ONSITE)MarylandSolipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is an industry leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced business environment with both commercial and Government customers, including a mix of domestic and international pursuits and programs. Active and existing security clearance required after day 1 Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry.
Systems Engineer Level 1 WOOD Federal SolutionsSystems Engineer Level 1Ft. Meade, MDBachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required and seven (7) years as a SE in program and contracts of similar scope, type, and complexity is required. This role is ideal for someone who thrives in a practical, problem‑solving environment and wants to make an immediate impact on enterprise‑scale cybersecurity.
2027 PhD Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins University Applied Physics Laboratory LLC2027 PhD Graduate - Engineer/Scientist/Analyst Sensor SystemsLaurel, MDIf you are graduating with PhD in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math, or similar degrees and want to work in an exciting environment to solve challenging technical national security problems, we'd like you to join our team. Have a PhD, or will have PhD in near future, in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math or another related technical field.
Security Officer - Access Patrol Part Time Allied UniversalSecurity Officer - Access Patrol Part TimeArlington, VAAs a Security Officer Enhanced Part Time Access Patrol in Arlington, VA, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Support day-to-day operations by communicating clearly with staff and guests, following post orders, and reporting maintenance, life response, and/or security-related issues observed during assigned duties.
Security Officer Unarmed Patrol Access Credential Review Allied UniversalSecurity Officer Unarmed Patrol Access Credential ReviewSterling, VAWhat You'll Do: Provide customer service to employees, visitors, vendors, and contractors at a technology, media, and telecommunications location by carrying out site-specific security-related procedures, policies, and emergency response activities when appropriate. Conduct regular and random unarmed patrols of the facility, data center areas, grounds, parking areas, and perimeter to help to deter unauthorized activity and identify potential security-related concerns.
NewSystems Integration Engineer IV-306341 Delaware Nation IndustriesSystems Integration Engineer IV-306341Alexandria, Virginia$140,000–$145,000 / yearThe candidate must hold industry-recognized certifications, such as CSSLP, CISSP, and/or PMP, and have proficiency in programming languages including Python, C/C++, C#, SQL, and VB, along with database management skills in PostgreSQL, MySQL, SQLite, and SQL Server. This individual must possess a minimum of fifteen (15) years of experience in software development, cybersecurity engineering, and system integration, with demonstrated expertise in secure software lifecycle management, advanced monitoring technologies, and custom hardware development for security applications.
Systems Integration Engineer Iv-306341 Delaware Nation IndustriesSystems Integration Engineer Iv-306341Alexandria, VAThe candidate must hold industry-recognized certifications, such as CSSLP, CISSP, and/or PMP, and have proficiency in programming languages including Python, C/C++, C#, SQL, and VB, along with database management skills in PostgreSQL, MySQL, SQLite, and SQL Server. This individual must possess a minimum of fifteen (15) years of experience in software development, cybersecurity engineering, and system integration, with demonstrated expertise in secure software lifecycle management, advanced monitoring technologies, and custom hardware development for security applications.
Systems Engineer III Reflexive ConceptsSystems Engineer IIIMarylandLead the lifecycle engineering and scale-out architecture of MDE and Trellix HX across hybrid environments, including on-premises, cloud, and virtual desktop infrastructures (VDI), to include authoring complex system engineering and implementation plans, tuning agent configurations and exclusion policies to eliminate mission friction, and monitoring overall endpoint health at scale. This critical role bridges high-level systems architecture with operational defense capabilities, ensuring total endpoint visibility, robust threat containment, and resilient configuration management across all enterprise and mission-critical assets to defend national security infrastructure against sophisticated cyber threats.
Principal Systems Engineer (Microsoft) - DOJ NSD - Active Top Secret Required ITC Federal, Inc.Principal Systems Engineer (Microsoft) - DOJ NSD - Active Top Secret RequiredWashington, DCFull timeHas expertise in multiple operating systems and is responsible for configuration, patch management, troubleshooting, all versions and sub-version upgrades, and all aspects of the availability of servers and systems. This position provides enterprise Microsoft systems engineering and management support, ensuring the configuration, security, performance, and availability of servers and enterprise systems across the environment.
NewSenior Linux Systems Administrator LeidosSenior Linux Systems AdministratorAnnapolis Junction, MarylandThe ideal candidate brings deep hands-on Linux administration experience and is comfortable supporting mission-critical Development, Test, and Production environments using command-line tools, system logs, automation, and established change-management processes. The Linux Systems Administrator will serve as a senior technical resource responsible for system configuration, automation, security hardening, vulnerability remediation, monitoring, troubleshooting, and continuous improvement of Linux-based infrastructure and operational practices.
Cybersecurity Systems Engineer LeidosCybersecurity Systems EngineerLinthicum Heights, MarylandFebruary 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Systems Network Administrator (SNA-2) LeidosSystems Network Administrator (SNA-2)Laurel, MarylandThis team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics , delivering mission-critical capabilities that directly support national security. April 7, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Counter Unmanned Systems Analyst Systems Planning and AnalysisCounter Unmanned Systems AnalystAlexandria, VirginiaFull timeSPG delivers industry-leading, innovative, and value-added services such as data analytics and visualization, threat analysis, risk management, modeling and simulation, program management, system engineering, independent evaluation, and High Consequence Event prevention to help our clients understand and mitigate mission risks spanning physical, cyber, and human domains. Uses knowledge of military organizations (i.e., roles, missions, and structure), operational responsibilities (i.e., doctrine, organization, training, material, leadership, personnel, facilities and policy), and methods for employing assets of the national security establishment at the strategic, operational or tactical levels to assist clients with defining, understanding, and evaluating critical national security issues.
Windows Systems Automation Engineer Booz Allen HamiltonWindows Systems Automation EngineerMcLean, VirginiaWe need a Windows Systems Automation Engineer who can combine Windows administration, cloud engineering, and infrastructure-as-code practices to build reliable and repeatable environments supporting Department of Defense missions. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Systems Administrator Systems Planning and AnalysisSystems AdministratorAlexandria, VirginiaFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Classified Operations team under SPA’s Information Technology department establishes and maintains the security posture of classified infrastructure required by our analysts to deliver timely, objective, and cost-effective analysis.
Senior Systems Administrator BAE Systems PlcSenior Systems AdministratorAnnapolis Junction, MD$146,670–$249,330 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers.
Senior Network and Computer Systems Administrator DecisionPoint | CortekSenior Network and Computer Systems AdministratorArlington, VirginiaFull timeOverview: DecisionPoint Corporation is seeking an experienced Senior Network and Computer Systems Administrator to support the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Critical Infrastructure Information Sharing Environment (CI-ISE ) and Homeland Security Information Network-Critical Infrastructure (HSIN-CI) Program Support Services. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
NSS Senior Space Systems Engineer Johns Hopkins Applied Physics LaboratoryNSS Senior Space Systems EngineerLaurel, MarylandFull timeTo learn about these APL’s mission and projects, https://civspace.jhuapl.edu/ and https://www.jhuapl.edu/OurWork/NationalSecuritySpace . This includes historic, science space firsts like New Horizons reaching Pluto, Parker Solar Probe being the first to “touch” the sun, and the DART mission that redirected an asteroid for planetary defense.
NewSystems Engineer BAE Systems PlcSystems EngineerHerndon, VA$118,095–$200,762 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. A bachelor's or master's degrees in computer science are preferred with a minimum of three (3) year's relevant experience with the following skillsets: Eclipse developmental duties Git Hub, Dev Ops, Java and Python.
Sr. Systems Engineer (Citrix) - TS/SCI w CI Polygraph Modern Government SolutionsSr. Systems Engineer (Citrix) - TS/SCI w CI PolygraphSterling, VAFull timeExperience may be acceptable in lieu of a degree.10+ years of experience deploying and maintaining platform infrastructure and COTS applications in cloud-based environments.5+ years of hands-on experience with Citrix Virtual Apps and Desktops, including expert knowledge of Citrix architecture, components, and deployment methodologies. Implement and manage Citrix Provisioning Services (PVS) or Machine Creation Services (MCS) for desktop image management; manage Virtual Delivery Agents (VDAs), hypervisors, and storage systems.