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.
NewCISCO Network Engineer - FS Poly stanleyreidCISCO Network Engineer - FS PolyAnnapolis Junction, MarylandRenowned for their deep technical expertise, our client brings together comprehensive capabilities across all aspects of CNO, embedded development, reverse engineering, SIGINT analysis, testing, penetration testing, network engineering, and program management. Their robust, extensive contract portfolio allows their team to have direct involvement in challenging, mission-critical work across Maryland and Virginia, including their own PRIME contract.
Senior Network Engineer (TS/SCI) DirectViz Solutions, LLCSenior Network Engineer (TS/SCI)Quantico, VAFull timeProvides day-to-day subject matter expertise to tenant agenciesTroubleshoots networking issues and outages, which may occur during non-core hoursWorks with vendors in support of the networkEnsures all networking applicable STIGs, POA&Ms and vulnerabilities are resolved or mitigated in a timely mannerPerforms routine and preventative maintenance services on all devices within the networking area of responsibilityMaintains a current understanding of emerging technologies and trendsPerforms other tasks as required by OSC and the Government contracting officeRequired QualificationsHigh School diploma or equivalentMinimum of ten (10) years of increasingly complex and progressive experience in computer system/network engineeringMust have and maintain an adjudicated Top-Secret Security Clearance with SCI eligibilityMust meet the requirements of the DoW 8140 series, Cyber Security Workforce Management requirementsPosition requires a current Cisco Certified Network Professional (CCNP) certification or the successful completion of either the DCCOR, ENCOR, SPCOR examsPrior experience with data center technologies within a large government environmentExtensive experience with inter-VLAN routing, OSPF, BGP, and HSRP is requiredExperience with Cisco ISE, Cisco DNA, Cisco ASR routers, Catalysts switches, Nexus devices and Cisco Firewalls and Palo Alto Firewalls is requiredProficient in Microsoft Visio and Office productsPreferred QualificationsBachelor's degreeMonitoring devices such as Cisco Stealth watch and SolarWinds is desiredPhysical and Mental Qualifications:Maintain focus and awareness throughout scheduled working hours. Key ResponsibilitiesPlans, configures, and installs networking hardware / software replacements and upgradesDevelops and maintains all networking documentation (drawings, cut sheets, configurations, and deployment plans)Works closely with tenant agency engineers in support of networking related projectsIdentifies and diagnoses problems and factors affecting network performance.
Senior OT Network Engineer Athletes Global CorporationSenior OT Network EngineerIndian Head, MD$150,000–$165,000 / yearStrong hands-on background with: – Enterprise switches and firewalls (Cisco and Dell preferred)– Server configuration (Linux and Windows), Windows workstations– Fiber and copper cabling in industrial environments– VLANs, subnetting, routing, and network segmentation. Architect and implement a private OT network that integrates with a newly deployed private 5G backbone being built and operated by a separate team, integrating: Private 5G connectivity between control rooms, server rooms, and operational areas.
Ecm/Cuas Field Services Engineer - Northern VA (Vaxcom) Parsons Commercial Technology Group Inc.Ecm/Cuas Field Services Engineer - Northern VA (Vaxcom)Chantilly, VA$112,200–$196,400 / yearThe FSE will directly support the maintenance of the fielded cUAS equipment, re-installation of Line repairable units (LRUs), training, integration, and sustainment of these solutions with existing client infrastructure in several OCONUS locations. What Required Skills You'll Bring: Technical experience working as a field service engineer installing, configuring, testing, maintaining, repairing, operating and effectively training end users on how to operate equipment.
Quality Engineer I Alarm.com IncorporatedQuality Engineer ITysons Corner, VAOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Senior Classified Network Engineer Johns Hopkins Applied Physics LaboratorySenior Classified Network EngineerLaurel, MarylandFull timeAs a member of our team, you'll work and collaborate with a small team of hardworking network engineers and partner with our unclassified APL enterprise network team on challenging problems and initiatives. Serve as a technical subject matter expert (SME) for classified network technologies and security posture, mentoring junior engineers and guiding cross-functional teams.
Project Network Engineer LeidosProject Network EngineerCamp Springs, MarylandDuties include providing specifications for network architecture design, evaluate and perform assessments of current infrastructure to ensure solution meets customer requirements, conduct proof of concepts and/or recommend hardware/software purchases in support of new technologies on ways to improve the environment. August 2, 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.
Embedded Development Engineer Cohere Technology Group LLCEmbedded Development EngineerHerndon, VAWhen assessing candidates for the Embedded Systems Software Developer position, Cohere is looking for candidates with the following knowledge, skills, and abilities: Software – Candidates should be able to demonstrate extensive experience coding in C/C++ and Python, including understanding Object Oriented Programming, Networking (sockets), Multithreading, and implementing cryptographic protocols for data at rest and data in transit. Hardware – You should have some understanding of how operating systems use and leverage hardware protection capabilities and how to use these to prevent a wide range of cyber attack techniques, including stack and heap attacks such as buffer overflows, off by one vulnerabilities, memory leaks, and format string attacks.
Sr. DevSecOps Engineer (AWS / Amazon EMR / Spark) (Remote) One DynamicSr. DevSecOps Engineer (AWS / Amazon EMR / Spark) (Remote)Fairfax, VARemote$135,000–$150,000 / yearThis role centers on hardening and operating Amazon EMR (Spark) and OpenSearch workloads, building secure CI/CD pipelines, managing infrastructure-as-code, and embedding security throughout the delivery lifecycle. One Dynamic is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in Fairfax, VA, specializing in digital transformation, cloud infrastructure, quality assurance, and enterprise architecture.
NewSenior Linux/Unix Systems Engineer Artech LLCSenior Linux/Unix Systems EngineerWashington, DC$60–$70 / hourDesign and maintain the enterprise patch and configuration management architecture (Red Hat Satellite, Ansible or Ansible Automation Platform), converting manual administrative work into automated, repeatable, version-controlled workflows. • Author and maintain security hardening baselines aligned to CIS Benchmarks and applicable DISA STIGs; own vulnerability scan remediation and support FISMA and NIST SP 800-53 control implementation, POA&M closure, and audit evidence.
Application Support Devops Engineer Recorded FutureApplication Support Devops EngineerWashington, DC$129,000–$193,500 / yearDesign, build, and maintain custom Docker images (desktops, browsers, and single-application workspaces) based on upstream core images, including adding software, startup scripts, branding, and launch forms to meet internal team requirements. Bonus: Experience with Infrastructure-as-Code (Terraform, Ansible), KubeVirt or Harvester, GPU-enabled container workloads, session streaming or VDI platforms, SAML or OIDC integration, or running regulated environments (FedRAMP, HIPAA, PCI).
Senior Security Engineer Lentech Inc.Senior Security EngineerLinthicum, MDPreferred : Experience with systems engineering; Knowledge of the Risk Management Framework (RMF) process and NIST 800-53 security controls; Knowledge of a national agency’s corporate systems and their implementation of security controls; Knowledge of 800-53 security controls and how to apply them to a system; Ability to assess residual risk based on threat and security control implementation; Possession of excellent verbal and written communication skills; Bachelor's degree in a technical field. 6+ years of experience in system security engineering principles, including assessment of overall security posture of U.S. government computer networks; 5+ years of experience conducting and coordinating COMSEC, INFOSEC, or IA activities; Experience with requirements gathering and analysis and client and stakeholder engagement through working groups and technical exchange meetings; Knowledge of system or security architecture; Ability to work both individually and in a team environment in an enterprise-level organization; HS diploma or GED.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Senior Network Engineer (SMA 1) E LogicSenior Network Engineer (SMA 1)Washington D.C., DCIncident Response: Support incident response activities by providing network-level analysis, containment actions, and forensic data collection; perform root cause analysis (RCA) for network incidents. You will serve as a senior technical advisor to CBO stakeholders, collaborating with cybersecurity, cloud, and operations teams to resolve complex network issues and support audits, assessments, and compliance initiatives.
Senior Transport Network Engineer LeidosSenior Transport Network EngineerWashington DC, District of ColumbiaAugust 1, 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.
Senior Reliability Engineer NorthstratSenior Reliability EngineerSterling, VAThese systems are already designed; your focus is on qualification, production, sustainment, and fielded reliability — predicting, measuring, and continuously improving the reliability of EW transmitters, receivers, high-power amplifiers, wideband RF front-ends, T/R modules, and antenna assemblies operating in harsh military environments such as airborne pods, shipboard installations, and ground platforms. Perform reliability predictions and modeling (MTBF/MTTF, reliability block diagrams, fault trees) for EW RF hardware — high-power PAs, LNAs, mixers, filters, synthesizers, wideband front-ends, DRFM/receiver assemblies, and antenna/array hardware — using MIL-HDBK-217 and related methods.
Webber - Project Engineer - Infrastructure Management Ferrovial, S.A.Webber - Project Engineer - Infrastructure ManagementWashington, DCFounded in 1963, Webber, part of Ferrovial Construction, is a leading construction company that specializes in heavy civil, waterworks, energy and infrastructure management and is dedicated to safely providing intelligent solutions to its clients and community. Webber also has an in-house engineering services department to help optimize building efficiency and quality while solving complex project challenges using field experience, innovative construction methods and BIM technology.
Sr. Network Engineer III Eliassen GroupSr. Network Engineer IIIWashington, District of Columbia$230,000–$280,000 / yearAbout Eliassen Group:Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes.
Principal Engineer - Product Integrity Blue OriginPrincipal Engineer - Product IntegrityBay Area, Washingtonand/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. You will solve unprecedented challenges in ensuring hardware survives the rigors of launch, orbit, and long-duration deployment—pioneering physics-of-failure methodologies, predictive reliability frameworks, and AI-driven engineering approaches that redefine how high-stakes hardware is designed, qualified, and validated.