Senior Information Systems Security Officer (ISSO)/Information Systems Security Manager (ISSM) Calibre SystemsSenior Information Systems Security Officer (ISSO)/Information Systems Security Manager (ISSM)Aberdeen, MDCALIBRE Systems, inc., an employee-owned, mission focused solutions and digital transformation company is seeking a highly experienced and professional Information Systems Security Officer (ISSO) / Information Systems Security Manager (ISSM) to support a Department of War (DoW) cybersecurity modernization initiative focused on Risk Management Framework (RMF) execution, continuous monitoring, compliance automation, and enterprise adoption of RegScale. You will work directly with government stakeholders to advance compliance automation, improve RMF execution, and drive enterprise adoption of next-generation GRC capabilities through RegScale while serving as a key cybersecurity leader within the organization.
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.
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.
NewSr. Specialist, Systems Engineering L3Harris TechnologiesSr. Specialist, Systems EngineeringMillersville, MD$106,500–$197,500 / 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.
NewCombat Systems Data Technician Johns Hopkins Applied Physics Laboratory (APL)Combat Systems Data TechnicianLaurel, MD$25.30–$50 / hourThe Signal and Systems Analysis Group (KTA) provides data-driven design and analytical assessments of Anti-Submarine Warfare (ASW) system performance with operator in-the-loop to advance the warfighting capabilities of current and future systems. You will coordinate the data service requests and technological improvements across project teams, IT teams, and management in order to deliver data products that meet the requirements and end users’ needs.
NewAntenna Systems & Hardware Engineer Johns Hopkins Applied Physics Laboratory (APL)Antenna Systems & Hardware EngineerLaurel, MD$105,000–$290,000 / yearDevelop and apply antenna and RF aperture modeling and simulation tools (e.g., full-wave EM solvers, array analysis codes, custom MATLAB/Python tools) to design, analyze, and trade antenna and array performance across a variety of operational scenarios. Plan, execute, and analyze antenna and RF aperture measurements in laboratory, chamber, and field test environments, including radiation pattern measurements, gain and efficiency, impedance, polarization characteristics, and array calibration.
NewElectronic Security Sales Account Executive Johnson ControlsElectronic Security Sales Account ExecutiveWashington, DCBuild and develop an account portfolio in assigned territory primarily through prospecting, business development activities, capture of competitive solicitations and the sale of security solutions through current and new contract vehicles. Assist application engineering resources in the solution design of building security systems (i.e., Access Controls, Intrusion Detection Systems, Video Surveillance Systems, data networks, etc.) at federal government sites.
NewDesign Engineer - Physical Access Control/CCTV CRIDesign Engineer - Physical Access Control/CCTVMcLean, VACRI is looking to hire a Design Engineer in the Washington DC, Virginia, Maryland area to assist with System Design, Request for Proposal Response, High Level System Experience and Programming of Access Control, Video Management, Intrusion Detection, and Intercom Systems. As a minority-owned and Woman-Owned Small Business (WOSB) with over 30 years of experience, we specialize in delivering enterprise management systems, integrated physical and cybersecurity solutions and cutting-edge IT services, that elevate performance and ensure compliance.
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.
NewM1 Abrams Systems Maintenance Advisor 2 Sincerus Global Solutions IncM1 Abrams Systems Maintenance Advisor 2Washington, DCBackground check and secret clearanceActive passport with at least 6 months validitySalary Package:Competitive Salary based on experienceHousing and transportation paidPaid time off (PTO)Sign on bonusCompletion bonusLocation:Worldwide locations (Pacific Region, Middle East, and Eastern Europe)Duration:12 months with follow on opportunity. Qualifications:Must have at least five (5) years' experience as an MOS 91A in a U.S. Army M1 Abrams systems maintainer role at the Battalion or Brigade levelMust be a subject matter expert in the maintenance of the M1 hullMust be familiar with how to repair the suspension, transmission and any electrical components.
NewInformation Systems Technician U.S. NavyInformation Systems TechnicianMount Airy, MDKey Responsibilities As an Information Systems Technician, design, operate, secure, and restore networks, servers, and communication systems that support naval operations; as a Cryptologic Technician Networks specialist, conduct offensive and defensive cyber operations, investigate and track adversary activity, and help protect Navy networks and critical systems; as an Intelligence Specialist, collect and analyze information on adversaries, environments, and weather and create intelligence products and briefings for commanders. Pathways, Training & Advancement Recruit Training followed by Class A School in an information warfare specialty, such as IT or CTN at information warfare training sites and IS at intelligence training commands; advanced C schools and follow on training in areas such as cyber operations, network defense, digital forensics, signals analysis, targeting, imagery, language, and mission systems; progressive advancement based on qualifications, performance, and warfare pins such as Information Warfare and platform specific warfare designations.
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.
NewCloud Security Engineer SteerBridgeCloud Security EngineerVienna, VAExperience implementing and managing identity and access management controls, including role-based, attribute-based, and federated access models, ensuring least-privilege enforcement and secure authorization across architectures and access governance practices. We don’t simply hire exceptional talent; we cultivate it , creating meaningful career pathways for veterans, military spouses, and professionals who share our passion for advancing technology and strengthening the missions we serve.
NewFinancial Systems Manager CloudHQ LLCFinancial Systems ManagerWashington, DCWe are strengthened by industry experts who bring extensive knowledge, skill, and experience; leaders who bring vision, innovation and commitment to our people; and an expanding team of individuals who believe in that vision, and bring their best to support their customers and team. CloudHQ has state-of-the-art data center sites located in two Northern Virginia locations, as well as London, Frankfurt, Paris, Milan, and Sao Paulo, and we anticipate exponential growth over the next several years both in the US and abroad.
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).
Model-Based Systems Engineer LeidosModel-Based Systems EngineerWashington, DC$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 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.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$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. June 22, 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.