Systems Engineer Expert LeidosSystems Engineer ExpertChantilly, VirginiaAugust 11, 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.
NewTechnical AI Requirements Systems Engineer Reflexive ConceptsTechnical AI Requirements Systems EngineerAnnapolis Junction, MarylandThe selected candidate will work directly with customers, systems engineers, developers, and AI solution stakeholders to ensure mission-driven software capabilities are accurately defined, built, tested, and delivered, engaging tactically with the development team and participating actively in Agile delivery throughout the development lifecycle. Serving as a key technical liaison, collaborating with cross-functional teams including systems engineers, software developers, and domain experts, and effectively presenting and articulating recommended AI approaches, tradeoffs, and implications to both technical and non-technical stakeholders.
Systems Engineer for Embedded Software Johns Hopkins Applied Physics LaboratorySystems Engineer for Embedded SoftwareLaurel, MarylandFull timeOur spacecraft technologies help our civilian space and national security space sponsors reason about multiple new technologies including space-based networking, machine learning, cyber security, and image recognition. 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.
NewSr. Systems Engineer, Digital Engineering Solutions Modern Government SolutionsSr. Systems Engineer, Digital Engineering SolutionsSterling, VAFull timeBachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.10+ years of experience deploying, administering, and sustaining enterprise engineering platforms and IT infrastructure within cloud-hosted environments. Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.Experience developing integrations using Python, PowerShell, and Groovy, with strong skills in testing, validation, troubleshooting, and technical documentation.
NewSr. 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.
Linux Systems Engineer (Laurel, MD) Shield Consulting SolutionsLinux Systems Engineer (Laurel, MD)Laurel, MDJob Description: Strong and deep Linux & Unix System Engineering skills in both physical and virtual server environments supporting infrastructure management, including managing kernels; installing and maintaining operating systems, configuring hardware/software utilizing monitoring techniques, troubleshooting, and sustaining the operational health of the infrastructure. Manages and installs IAVA and CVE patches to maintain ATO compliance; installing software and running hardening scripts to meet STE/STN requirements.
Senior Cyber Systems Architect PeratonSenior Cyber Systems ArchitectArlington, Virginia$176,000–$282,000 / yearFull timeEnsure system security needs are established and maintained for operations development, security requirements definition, security risk assessment, systems analysis, systems design, security test and evaluation, certification and accreditation, systems hardening, vulnerability testing and scanning, incident response, disaster recovery, and business continuity planning. Responsibilities: Peraton is seeking a Senior Cyber Systems Architect to join our Department of State (DoS) Diplomatic Security Cyber Mission (DSCM) program, providing leading cyber and technology security expertise to enable innovative, effective, and secure business processes.
Systems Engineering- TS/SCI with Poly PeratonSystems Engineering- TS/SCI with PolyAnnapolis Junction, Maryland$135,000–$216,000 / yearFull timeBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
NewSenior Cybersecurity Integration Engineer CbSenior Cybersecurity Integration EngineerReston, Virginia$125,000–$135,000 / yearPOSITION OVERVIEW The Senior Cybersecurity Integration Engineer secures and integrates the Customer's enterprise API gateway, drives it through the Risk Management Framework to a signed Authority to Operate (ATO), and keeps it authorized. RESPONSIBILITIES Design and enforce API security policy — authentication, authorization, token validation, rate limiting, payload validation, threat protection Manage TLS, mutual TLS, and certificate and key lifecycle across all environments and trust relationships.
Technician - Assembly & Integration | All Shifts All Levels Blue OriginTechnician - Assembly & Integration | All Shifts All LevelsWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
GIS Data API Integration Engineer IntegralGIS Data API Integration EngineerTysons, VirginiaFull timeOverview: The GIS Data API Integration Engineer manages GIS data models, ETL pipelines, and geospatial integrations for the Department of Veterans Affairs (VA), Office of Information and Technology (OIT), Product Delivery Services (PDS), Benefits and Memorials (BAM), Memorial and Benefit Services (MBS) deliver secure, reliable, and effective Information Technology (IT) solutions that support the Department’s mission. Since our founding in 1998, we have helped clients leverage existing and emerging technologies to transform their enterprises, empower growth, drive innovation, and build sustainable success.
Technician - Assembly & Integration (Engines) II Blue OriginTechnician - Assembly & Integration (Engines) IIWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
AI Product Manager, Public Sector Dynamo AIAI Product Manager, Public SectorWashingtonDeep expertise in Generative AI and LLM systems, including model behavior, evaluation design, red-teaming, RAG/copilot architectures, prompt injection, guardrails, observability, and agentic workflows. 5+ years in product management, AI product strategy, technical program management, solutions, product engineering, strategy consulting, enterprise SaaS, or other customer-facing technical roles.
JIATF 401 System Engineer CACIJIATF 401 System EngineerAlexandria, VirginiaThe Systems Engineer will leverage Maven Smart System (MSS), Palantir, Power BI, Python, AI-enabled analytical tools, and digital engineering methodologies to evaluate system performance, assess interoperability, manage technical risks, and deliver integrated mission capabilities supporting senior military and civilian leadership. · Collaborate with engineers, software developers, cyber specialists, network engineers, data scientists, acquisition personnel, operators, and mission stakeholders to integrate complex technical systems into operational capabilities.
Systems Engineer - Splunk Administrator, Senior Advisor - TS/SCI w/poly PeratonSystems Engineer - Splunk Administrator, Senior Advisor - TS/SCI w/polyAnnapolis Junction, Maryland$176,000–$282,000 / yearFull timeQualifications: Basic Qualifications: Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Modernize existing Splunk instance to upgrade an existing system's capabilities and make improvements / modernize by performing the following functions: Design and size Splunk architectures.
Enterprise Schedule Management (ESM) Systems Engineer PeratonEnterprise Schedule Management (ESM) Systems EngineerSpringfield, Virginia$135,000–$216,000 / yearFull timeThe candidate will be a member of the Program’s ESM Team, The NFE contractor helps the Government define, schedule, synchronize, orchestrate, visualize, and communicate cross-program and cross-project activities and provide expertise to assist with capability planning and effectivity definitions that address mission priorities. Lead overall response for NGA/NSG meetings reviewing and presenting schedule data for programs, projects and segments by providing reports, Gantt charts, and other visualization products, clearly communicating schedule expectations and status, to include deviations and areas of concern.
Range Training Systems and Support (RTSS) Administrator Green Cell Consulting LLCRange Training Systems and Support (RTSS) AdministratorQuantico, VACoordinate with key stakeholders including Marine Corps Operational Test and Evaluation Activity, Office of the Secretary of Defense, Naval Air Systems Command, Naval Sea Systems Command, USMC Installations, Joint Services, and Combatant Commands. Provide technical and analytical support for U.S. Marine Corps training systems, equipment, and planning documents to assess requirements, identify solutions, and evaluate investment strategies for Range Training Areas (RTAs), including joint operations, Opposing Forces (OPFOR), and space-based considerations.
Modeling-Based Systems Engineer Redwire SpaceModeling-Based Systems EngineerChantilly, Virginia$82,000–$150,000 / yearYou will build and evolve system level models, support virtual integration and V&V activities, contribute to concept development, and collaborate closely with systems engineers, software teams, mission analysts, and business stakeholders to deliver accurate, traceable, and high fidelity engineering representations across aerospace and defense programs. This role blends physics based modeling, MBSE discipline, and multidomain simulation expertise to ensure that digital twins, digital threads, system interfaces, and analytical models are coherent, validated, and aligned with mission and program objectives.
IT Systems Architect E LogicIT Systems ArchitectWashington D.C., DCRemoteThe selected candidate will provide architecture, systems engineering, software integration, and technical leadership support for AIMS modernization, operations, and maintenance activities in a highly specialized UNISYS mainframe environment. This program supports the IRS Taxpayer Digital Communications (TDC) strategic goals by modernizing and enhancing mission-critical systems that improve digital communication and operational efficiency.
All-Source Missile Systems Analyst, Senior Booz Allen HamiltonAll-Source Missile Systems Analyst, SeniorChantilly, Virginia5+ years of experience working with Scientific and Technical Intelligence Center organizations, Service intelligence centers, DoW intelligence production organizations, national laboratories, or technical intelligence customers. Experience interpreting or applying Technical SIGINT, FME-derived data, intelligence reports, test data, engineering data, or all-source intelligence to characterize foreign threat-system performance and operational capability.