NewInformation Systems Security Officer System OneInformation Systems Security OfficerAnnapolis Junct, MD$200,000 / yearIn this role, you’ll help ensure information systems stay compliant throughout the Risk Management Framework (RMF) lifecycle—supporting ATO packages, continuous monitoring, assessments, and audit readiness . System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Systems Engineer/Administrator Kaiva CorpSystems Engineer/AdministratorArlington, VAFull timeManage and maintain Microsoft 365 services such as Microsoft Intune, Entra admin center with Entra Connect for cloud synchronization, Exchange admin center for mail and mailbox administration, Microsoft Defender, and Microsoft Purview. As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of servers and systems in a variety of environments, including on-premises and cloud-based Microsoft products within our Federal Government Customer's environment.
Budget Systems & Automation Analyst Kaiva CorpBudget Systems & Automation AnalystNorth Bethesda, MDFull timeBy combining budget execution expertise with advanced technical capabilities, the incumbent enhances operational efficiency, reduces manual workload, strengthens data integrity, and improves reporting accuracy across the Office of Budget. The incumbent supports budget execution operations by developing automated solutions, enhancing financial systems workflows, maintaining reporting tools, and administering collaboration platforms.
Senior System Engineer (Email Security Migration) System OneSenior System Engineer (Email Security Migration)Washington, DCResponsibilities : • Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSpecialist, Systems Engineering (Mission Protection) (TS/SCI w Poly) L3Harris TechnologiesSpecialist, Systems Engineering (Mission Protection) (TS/SCI w Poly)Springfield, VA$92,500–$171,500 / yearWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The ideal candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat principles to protect sensitive capabilities to ensure the survivability of U.S. assets in contested environments.
NewSr. Mgr., Functional Engineering Management - Acoustics & Imaging Systems L3Harris TechnologiesSr. Mgr., Functional Engineering Management - Acoustics & Imaging SystemsMillersville, MD$146,000–$271,000 / yearThe Senior Manager, Acoustics & Imaging Systems Functional Engineering leads cross-discipline teams to deliver mission-critical capabilities, accelerate program execution, and raise technical performance across a portfolio of programs. Broad management and cross-functional leadership experience, including leadership of experienced professionals and/or leaders of leaders.
NewSpecialist, Systems Engineer - Integrated Protection Strategy Analyst L3Harris TechnologiesSpecialist, Systems Engineer - Integrated Protection Strategy AnalystSpringfield, VA$92,500–$171,500 / yearResponsibilities include monitoring mission systems and operational hazards, supporting conjunction and collision avoidance analysis, assessing threats to mission systems, supporting spectrum protection and interference mitigation activities, contributing to anomaly response, and helping develop procedures, checklists, training materials, and decision-support products. The position also supports the policy and governance aspects of integrated protection efforts by helping translate customer guidance, mission directives, operational policies, and enterprise protection frameworks into executable plans, procedures, concepts, and operational response options.
NewSpecialist, Systems Engineering L3Harris TechnologiesSpecialist, Systems EngineeringMillersville, MD$92,500–$171,500 / yearCollaborate with other Systems Engineers in the development of work products, including: System Specifications, Logically Derived and Linked Requirements, Interface Definitions, System Diagrams, Systems Analyses, Trade Studies, and Detailed Designs. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
NewLead Systems Engineering L3Harris TechnologiesLead Systems EngineeringMillersville, MD$127,500–$236,500 / yearExpertise in analyzing acoustic system design and performance, including ocean signal propagation and noise properties, sensor transduction, front-end signal conditioning, phased array design and performance, short- and long-haul telemetry, sonar and communications signal processing, and operator interfaces and data display. Experience planning at-sea activities, including defining sea test objectives and metrics, specifying acoustic sources and receivers, specifying at-sea recording and analysis for quality assurance, defining participant roles and responsibilities, defining platform capabilities, and managing data collection, analysis, and reporting.
NewSenior Information Security Analyst Calibre SystemsSenior Information Security AnalystWashington, DC$105,000–$115,000 / yearCALIBRE Systems, Inc., an employee-owned mission focused solutions and digital transformation company, is looking for a highly qualified Senior Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families. This candidate will lead and oversee cybersecurity compliance, security architecture, threat detection, vulnerability management, incident response, RMF/eMASS support, and ATO sustainment for DoD cloud infrastructure and information systems.
NewInformation Security Analyst Calibre SystemsInformation Security AnalystWashington, DC$80,000–$90,000 / yearCALIBRE Systems, Inc., an employee-owned mission focused solutions and digital transformation company, is looking for a highly qualified Journeyman Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families. The analyst will help maintain compliance with DoD, DISA, U.S. Cyber Command, MC&FP, NIST RMF, Zero Trust, STIG/SRG, ACAS, and eMASS requirements while supporting the attainment and sustainment of Government-issued Authorizations to Operate (ATOs).
Systems Engineer IV Base One TechnologySystems Engineer IVArlington, VA$200,000–$220,000 / yearContractorSupporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services.
Sr. Systems Engineer - Microsoft 365 Trigyn Technologies IncSr. Systems Engineer - Microsoft 365Baltimore, MDTemporaryContractorFull timeExperience managing directory sync into Azure AD and deep knowledge of Azure AD Sync for Federation, authentication, SSO, and directory sync with Azure AD. Systems engineer – Microsoft 365 to develop solutions for e-mail and collaboration tools as well as handle day-to-day operations within the division.
Sr Linux Systems Administrator Twenty80 LLCSr Linux Systems AdministratorAnnapolis, MDIn this role, you'll work within a large software development environment, ensuring enterprise systems remain secure, reliable, and highly available while implementing automated infrastructure to support next-generation malware analysis, cyber orchestration, and data enrichment capabilities. Network Performance: Strong ability to diagnose connectivity issues, resolve critical network outages, and optimize network performance by eliminating data bottlenecks.
Technical SME 22nd Century Technologies, Inc. (TSCTI)Technical SMEWashington, DCFull timeThe ideal candidate will possess deep expertise in Windows Server administration, virtualization, enterprise storage, identity integration with Microsoft Entra ID, and enterprise cloud platforms including Microsoft 365 or Office 365 within highly regulated environments. The Systems Engineer Lead is responsible for the design, administration, optimization, and security of enterprise server infrastructure supporting mission-critical academic, defense, and research operations.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerGlenwood, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 2026For 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.
Junior Security Control Assessor System OneJunior Security Control AssessorBethesda, MD$100,000 / yearYou’ll work under a senior assessor and help evaluate security control implementation, validate evidence, and document results in alignment with NIST Risk Management Framework (RMF) and NIST SP 800-53 Rev. Education: Bachelor’s in Cybersecurity, IT, Computer Science, Information Systems (or similar) OR 4 additional years of relevant experience in lieu of a degree.
Systems Integration Engineer LeidosSystems Integration EngineerMount Airy, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 25, 2026For 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.
Senior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).