Cybersecurity Engineer SME LeidosCybersecurity Engineer SMEBethesda, MarylandExperience applying system security engineering principles in areas such as system security design, lifecycle engineering, authentication and authorization mechanisms, cryptography, intrusion detection, contingency planning, incident handling, auditing, configuration management, and change control. Experience with cybersecurity tools such as Rapid7, Tenable/Nessus, HBSS/Trellix, SonarQube, or endpoint detection and response (EDR) platforms, as well as using STIG viewers and compliance tools to assess systems against established security configuration baselines.
Engineer, Systems & SaaS Washington Nationals Baseball ClubEngineer, Systems & SaaSWashington, DC$100,000–$120,000 / yearPart timeReporting to the Director, IT Operations, the Systems & SaaS Engineer is the senior IT Operations staff member responsible for the architecture, design, implementation, administration, and optimization of enterprise systems and SaaS platforms across a hybrid cloud and on-premise environment, with a primary focus on Microsoft 365, Azure, and integrated SaaS applications. The Engineer enables a modern, automated, AI-ready digital workplace, maintains system reliability, drives integration and automation, provides technical guidance and serves as the senior escalation point and design authority for all systems and SaaS matters.
Network Engineer - TS/SCI w/ Poly General Dynamics Information TechnologyNetwork Engineer - TS/SCI w/ PolyMcLean, VirginiaManage and allocate network installation and engineering tasks, configure and maintain communications systems, familiarity with implementation of LAN and WAN equipment including firewalls, servers, workstations, routers, switches, hubs, storage devices, A/V equipment and equipment racks. Candidate should be able to define internal and external customer IT infrastructure architecture needs and then design solutions to meet those needs to include: capacity planning, systems configuration and tuning, monitoring backups, and installations of hardware and software.
Network Engineer SME - TS/SCI w/Polygraph General Dynamics Information TechnologyNetwork Engineer SME - TS/SCI w/PolygraphHerndon, VirginiaManage and allocate network installation and engineering tasks, configure and maintain communications systems, familiarity with implementation of LAN and WAN equipment including firewalls, servers, workstations, routers, switches, hubs, storage devices, A/V equipment and equipment racks. Candidate should be able to define internal and external customer IT infrastructure architecture needs and then design solutions to meet those needs to include: capacity planning, systems configuration and tuning, monitoring backups, and installations of hardware and software.
Network Engineer Armison TechNetwork EngineerChantilly, VirginiaWe're a company predominantly focused on cyber security for our government customers yet our expertise in other areas include big data analytics, instructional design, information management, and computer network infrastructure. As we help each of our new employees make adjustments to our operational methods, we make sure every professional is able to handle the workload of each project by resolving any relevant concerns or issues they may have relating to this recent career shift.
Network Engineer-Vienna, VA Georgia Tek SystemsNetwork Engineer-Vienna, VAVienna, VAAbility and willingness to grow skillset for SD-WAN and related technologies such as Cloud Interconnect and Cloud Security services for deployment and traffic flow engineering. Maximizes network performance, troubleshoots network problems and outages, scheduling upgrades and collaborating with network architects on network optimization.
Senior Network Engineer Quantum SkySenior Network EngineerWashington, Washington, DC$145,000–$165,000 / yearFull timeThe ideal candidate brings deep, hands-on expertise with advanced routing and switching, particularly OSPF and BGP, as well as extensive experience with IPsec VPNs, GRE tunneling, encrypted network communications, and enterprise Cisco and Juniper environments. This is an opportunity to join an established program of approximately 50 developers, infrastructure and engineering professionals supporting the customer's complete technology environment, including networking, systems, VDI, hosting, storage, security, and application infrastructure.
Security Operations Lead Accenture Federal ServicesSecurity Operations LeadWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $126,300—$243,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Endpoint Security Architect Shield Consulting SolutionsEndpoint Security ArchitectAnnapolis Junction, MD$240,000–$250,000 / yearThis 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. Operating in a highly classified, multi-domain infrastructure, the successful candidate will drive the strategic architectural design, end-to-end integration, deployment, and optimization of premier endpoint security platforms, specifically Microsoft Defender for Endpoint (MDE) and Trellix HX.
Endpoint Security Architect (Annapolis Junction, MD) Shield Consulting SolutionsEndpoint Security Architect (Annapolis Junction, MD)Annapolis Junction, MD$240,000–$250,000 / yearThis 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. Operating in a highly classified, multi-domain infrastructure, the successful candidate will drive the strategic architectural design, end-to-end integration, deployment, and optimization of premier endpoint security platforms, specifically Microsoft Defender for Endpoint (MDE) and Trellix HX.
Strata Engineer System OneStrata EngineerMerrifield, VirginiaRemoteSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Implement security controls across networking devices, databases, operating systems, hardware, and software components.
Software Engineer VTGSoftware EngineerChantilly, VirginiaFull timeOverview: We are seeking an experienced Senior Penetration Tester / Offensive Security Engineer to conduct hands-on security assessments, identify vulnerabilities, evaluate enterprise architectures, and develop actionable risk and threat mitigation strategies. This role requires deep technical expertise in penetration testing, adversarial tactics, system exploitation, network security analysis, and enterprise infrastructure.
Lead Software Engineer, Full Stack (Cloud Security for Multi Cloud) (Cloud Operations Resilience Engineering) Capital OneLead Software Engineer, Full Stack (Cloud Security for Multi Cloud) (Cloud Operations Resilience Engineering)McLean, VirginiaShare your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community . Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company .
Senior Systems/ Infrastructure Engineer AmentumSenior Systems/ Infrastructure EngineerMcLean, VirginiaEnterprise Backup and Recovery: Candidate must have advanced experience with enterprise backup and disaster recovery solutions with the design, configuration, scheduling, validation, and restore/recovery for both physical & virtual machines and application software (Exchange, SQL) Candidate must be capable of ensuring critical systems are properly backed up, recoverable, and tested in accordance with organizational requirements. Cisco Networking and General Networking : Candidate must have high-level networking experience with strong Cisco administration skills with network segmentation, VLANs, VPN, ACLs, routing/switching, port security, and firewalls.
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.
Senior Software Engineer Accenture Federal ServicesSenior Software EngineerTysons, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $157,300—$215,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Network Engineer 4 - Infrastructure Tria FederalNetwork Engineer 4 - InfrastructureSuitland, MDEight (8) years of experience directly supporting a complex infrastructure covering the major aspects of network administration with expertise in troubleshooting IPv4 issues across various protocols and technologies such as OSPF, BGP, EIGRP, static routing, SSH, ACL, VLAN, VTP, STP, SNMP, LACP, vPC, vPort Channels, Wireshark, and TCPdumps with added familiarity in hybrid connectivity to AWS environments. Five (5) years of experience configuring, administering, and maintaining network IT monitoring and management software such as Netscout nGenius and SolarWinds (i.e., NetFlow traffic analysis, bandwidth monitoring, PerfStack, network performance baselines, Traffic Analyzer, IPAM, and NetPath) including monitoring hybrid on‑prem/AWS network paths.
Cybersecurity Engineer ElectrosoftCybersecurity EngineerFort Belvoir, VAThe engineer is responsible for planning, executing, and supporting vulnerability assessments, validating findings, prioritizing remediation activities, and implementing security controls to reduce organizational cyber risk. Computing Environment (CE): Microsoft Certified Solutions Associate or Expert, Cisco Certified Network Administrator, Microsoft Azure Security Technologies, Amazon Certified Security.
R&D Cybersecurity Engineer ElectrosoftR&D Cybersecurity EngineerFort Belvoir, VAThe R&D Cybersecurity Engineer is responsible for researching, evaluating, prototyping, and integrating emerging cybersecurity technologies that improve the organization's vulnerability management capabilities. The camaraderie we share emanates from Lunch & Learn sessions where we explore new ideas together, fun group activities ranging from escape rooms to miniature golf, and much, much more.
NewCybersecurity Engineer (RMF & Cross Domain Solutions) JCS Solutions LLCCybersecurity Engineer (RMF & Cross Domain Solutions)Fort Belvoir, VA$70,000–$101,000 / yearJob Summary JCS Solutions is seeking a Cybersecurity Engineer with an expertise in Cross Domain Solutions Information Assurance Analyst – Risk Management Framework/Information Assuranceto support large-scale migration and operations on a large, high-profile DOD contract In Fort Belvoir, VA. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations.