Senior Network Security Engineer Ignite ITSenior Network Security EngineerSuitland-Silver Hill, MDPrimary scope: Cisco and Palo Alto firewall platforms; firewall policy lifecycle; NAT; segmentation; remote access and site-to-site VPN; RSA SecurID or equivalent MFA/two-factor authentication server and token services; Cloudflare or equivalent DNS/DDoS/WAF/Zero Trust edge security services; content filtering; network access control; monitoring, logging, and SIEM integration; vulnerability remediation; POA&M support; and audit evidence for TCO-managed systems. Examples include CCNP Security, CCIE Security, PCNSE, PCCSE, CISSP, CCSP, AWS Certified Security- Specialty, AWS Advanced Networking- Specialty, Microsoft Certified: Azure Security Engineer Associate, Microsoft Certified: Azure Network Engineer Associate, CompTIA Security+, CompTIA CySA+, GIAC certifications, or equivalent vendor/cloud certifications.
Referral Network Engineer - DHA Ne&S ASRC Federal Holding CompanyReferral Network Engineer - DHA Ne&Sarlington, VAUses diagnostic utilities to identify and isolate problems encountered on different mediums and network protocols, gather latency statistics and find specific network bottlenecks, evaluate problems and implement fix actions through device reconfiguration or replacement depending on the circumstances. Possess experience in routed, switched and shared LAN environments that operate such items as current supported versions of Microsoft OS, Windows Active Directory, UNIX and OpenVMS and employ routers, switches, and terminal servers as well as various local and long-haul WAN connectivity.
Senior Azure Cloud & GitHub Platform Engineer System OneSenior Azure Cloud & GitHub Platform EngineerMerrifield, VAAs the client continues to modernize its cloud-native application landscape and software delivery capabilities, we require a highly skilled platform engineer who can provide expertise across Azure infrastructure, identity and access management, Kubernetes administration, GitHub Enterprise, automation frameworks, and deployment pipelines. A highly technical cloud and platform engineering professional who possesses deep expertise across Microsoft Azure services, Kubernetes, identity and access management, GitHub Enterprise administration, GitHub Actions, CI/CD automation, and infrastructure as code.
Forescout Cyber Security Engineer GuidePoint SecurityForescout Cyber Security EngineerReston, VAWith more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government’s cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation’s top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk.
NewApplication Integration Engineer System OneApplication Integration EngineerMcLean, VAResponsibility 2: Develop, configure, test, and support RESTful APIs, service integrations, messaging flows, data transformation logic, orchestration components, and interface services connecting legacy Java applications with cloud-native or microservices platforms. Requirement 3: Strong proficiency in Java, Spring Boot, RESTful APIs, microservices, and integration patterns, especially between Java applications and modern cloud-native platforms.
Network Engineer (All Levels) AdapticNetwork Engineer (All Levels)Annapolis Junction, MDWhether you're early in your career or leading network architecture and engineering efforts, we're looking for Network Engineers at all levels who enjoy solving complex problems and keeping systems running at peak performance. You'll support and enhance network infrastructure across design, implementation, and operations—ensuring secure, reliable connectivity in high-stakes environments.
NewSenior SQL Database Platform Engineer System OneSenior SQL Database Platform EngineerWashington, DCProvide a senior engineer to deliver database server administration for the Board's on-premises SQL Server and PostgreSQL environments as automated, FISMA-compliant code — supporting the PostgreSQL ATO, cloud-readiness, and platform modernization. • Design and implement CI/CD pipelines in GitLab for database server and instance builds, version upgrades, patching, cumulative updates, and configuration changes across SQL Server and PostgreSQL server enterprise service offerings.
Application Security Engineer ConsultNetApplication Security EngineerRockville, MDThe ideal candidate brings strong hands-on application security expertise, experience integrating security into CI/CD pipelines, and the ability to leverage modern automation and GenAI technologies to scale secure code review and vulnerability analysis capabilities. For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact.
Cyber Security Engineer 235 Freedom Technology Solutions GroupCyber Security Engineer 235Chantilly, VirginiaFreedom Technology Solutions Group is seeking a motivated, career and customer-oriented Cyber Subject Matter Expert- Scientist to perform on our Cybersecurity Data Analysis Services team in the Springfield, VA. Verification and validation that the segments are operating as desired, audit events are being processed, and parsed properly, metrics generation, and ensuring that all required systematic audit events are being accomplished.
Network Engineer Celestial Innovations GroupNetwork EngineerWashington, District of ColumbiaWork-Life Balance : We prioritize the well-being of our team members, ensuring a healthy work-life balance through flexible working conditions, continuous learning opportunities, and a supportive work environment. Overview The Network Engineer provides mid-level support for enterprise network operations, infrastructure maintenance, and troubleshooting activities critical to government users and systems.
Senior Network Engineer w/CCNP- Top Secret Clearance System OneSenior Network Engineer w/CCNP- Top Secret ClearanceWashington, DC$225,000 / yearThe ideal candidate will have extensive hands-on experience with enterprise LAN and WAN environments, advanced Cisco networking expertise, and a current Cisco Certified Network Professional certification . • Experience supporting complex network environments using technologies from Cisco and one or more additional vendors, such as Fortinet, Arista, Aruba, or Palo Alto Networks.
Cloud Network Security Engineer (Job 1393) DLH Holdings Corp.Cloud Network Security Engineer (Job 1393)Bethesda, MD$150,000–$158,000 / yearBachelor's degree in computer science, engineering, or a related field or an equivalent combination of education and experience and appropriate technical certifications, with at least twelve (12) years of experience in information technology and (4) years leading or performing systems engineering or related functions. Support a federal healthcare enterprise environment by collaborating with and providing support to other IT Operational Service Areas (Server/Storage, Network, Service Desk, Application Development) in the design, development, and testing of solutions, as well as diagnosing, troubleshooting, and remediation of issues.
SME Network Engineer Revolutional, LLCSME Network EngineerLorton, VA$130,000–$160,000 / yearThis role provides hands-on leadership across all network engineering functions , including architecture, routing, switching, firewall engineering, VPN and PKI integration, segmentation design, troubleshooting, and IA/accreditation-grade documentation. The SME ensures the integrity, resilience, and performance of mission-critical networks and collaborates closely with Systems, Virtualization, Storage, and Field Engineering teams to ensure end-to-end operational success.
Insider Threat Program Senior Network Engineer LeidosInsider Threat Program Senior Network EngineerLorton, VirginiaThe ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland. The Digital Modernization Sector at Leidos currently has an opening for a Senior Network Engineer supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP).
Network Engineer LeidosNetwork EngineerWashington DC, District of ColumbiaThe successful candidate will be responsible for managing the agencies’ local area network (LAN) and Wi-Fi, maintaining and upgrading network infrastructure, including wired and wireless access points, Zscaler Client-Connector end-user host clients, and Zscaler App-Connector instances, managing and configuring Zscaler Zero-Trust access policies, and providing security upgrades. July 24, 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.
Network Software Engineer Johns Hopkins Applied Physics LaboratoryNetwork Software EngineerLaurel, MarylandFull timeAs a member of our team, you will be responsible for the design, development, integration, and test of communications and network software, including protocol implementation, network services, and distributed systems for the Government across numerous departments and agencies. Architect, develop, integrate, and test software-based command and control, secure communication, and networking systems in operationally-realistic environments, working closely with sponsors to ensure mission success.
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.
NewNetwork Engineer, Senior Booz Allen Hamilton Inc.Network Engineer, SeniorUSA, VA$77,500–$176,000 / yearWork closely with other IT and facilities team members, project teams, clients, architects, engineers, subcontractors, vendors, material suppliers, and other technical resources with analyzing business and technical requirements to develop system designs, estimates, implementation plans, and management and customer reports, and coordinate the structured cabling design with other design disciplines. 2+ years of experience documenting complex network and security architectures, procedures, and troubleshooting workflows, including Zero Trust Network Access (ZTNA) implementations or detailed documentation of BGP policy behavior, NGFW IDS or IPS configurations, or NAT or SNAT translation flows.
Marine Electronics Engineer (Systems Integration) Team Lead THOR Solutions, LLCMarine Electronics Engineer (Systems Integration) Team LeadWashington, DC$110,000–$160,000 / yearFounded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide. THOR Solutions is actively seeking a highly motivated Senior-level Marine Electronics Engineer (Systems Integration) to act as electronics team lead and support the United States Coast Guard (USCG)’s Ship Design Team in Washington, DC .
System Engineer Booz Allen HamiltonSystem EngineerChantilly, VirginiaMicrosoft Certified: Windows Server Hybrid Administrator Associate, Microsoft Certified: Azure Administrator Associate, CompTIA Network+, CompTIA Linux+, Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), VMware Certified Professional - Data Center Virtualization (VCP‑DCV), or Cisco Certification such as CCNA Certification. Your technical expertise will be vital as you troubleshoot user issues, administer Windows servers and workstations, manage Active Directory and Group Policy, deploy system updates, support virtualization technologies, and ensure systems remain secure and compliant.