Senior Network Security Engineer (NRE SecOps) MindlanceSenior Network Security Engineer (NRE SecOps)Bethesda, MDRemoteThe Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is a technical leader and subject matter expert in designing and implementing the Network security strategy and firewall management platforms for the next-gen operations for all Client (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Enterprise Networks. Establish management level relationships and partnering with all Business disciplines and other MI teams to define NRE SecOps services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) Virginia Tech Applied Research CorporationSenior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) to support enterprise systems engineering, secure infrastructure modernization, classified enclave implementation, and operational transition for mission-critical enterprise communications, network modernization, and cyber programs within TS/SCI environments. The selected candidate will design, implement, and sustain secure enterprise systems capabilities across Windows, Linux, virtualization, directory services, DNS/DHCP/NTP, PKI/certificates, storage, backup and recovery, monitoring, patching, configuration management, and automation.
Network Engineer 3 - Tysons, VA M.C. Dean, IncNetwork Engineer 3 - Tysons, VATysons , VirginiaFull timeProduce detailed network architecture and design—covering routing, switching, wireless, firewalls, SD-WAN, remote and site-to-site VPN, cloud networking, and segmentation—with integrated security controls and hardening; collaborate with the Network Architect and other senior team members to drive best practices across the enterprise. The successful candidate will join a dynamic, multidiscipline team responsible for the design, implementation, integration, and operation of M.C. Dean’s enterprise network infrastructure spanning headquarters, regional offices, lab environments, and secure enclaves—including the CMMC-aligned environment used for handling Controlled Unclassified Information (CUI).
Senior Staff Software Engineer, C++ Software Integration (R4018) Shield AISenior Staff Software Engineer, C++ Software Integration (R4018)Washington, DCLI-LD1#LE Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide.
Senior Network Automation & Configuration Management Engineer Geico InsuranceSenior Network Automation & Configuration Management EngineerBethesda, MD$75,000–$215,000 / yearYou will be responsible for developing and managing the platforms, tooling, and processes that automate network configuration, compliance validation, change management, provisioning, remediation, and lifecycle management across thousands of network devices spanning data centers, cloud environments, carrier-neutral facilities, and regional offices. GEICO is seeking a highly skilled Senior Network Automation & Configuration Management Engineer to accelerate the transformation of our network infrastructure from traditional operations to a fully automated, software-defined, infrastructure-as-code operating model.
Senior Lead Software Engineer - Network Infrastructure and Automation Nightwing Intelligence SolutionsSenior Lead Software Engineer - Network Infrastructure and AutomationAnnapolis Junction, Maryland$122,000–$253,000 / yearIn this role, you will collaborate with an innovative team to design cutting-edge network automation systems using advanced technologies like software-defined networking, infrastructure-as-code, and AI-driven operational intelligence. Drive adoption and governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis).
Distinguished Engineer - Data Center Network Architecture & Engineering Geico InsuranceDistinguished Engineer - Data Center Network Architecture & EngineeringBethesda, MD$140,000–$300,000 / yearYou will lead the architecture and development of highly scalable Layer 3 Clos fabrics, software-defined networking platforms, cloud networking services, and network automation frameworks that enable self-service infrastructure at enterprise scale. As a Distinguished Engineer, you will establish the technical vision and engineering strategy for GEICO's data center networking ecosystem, supporting our OpenStack-based Private Cloud, Kubernetes platforms, enterprise applications, AI/ML infrastructure, and hybrid cloud environments.
Senior Cybersecurity Architect LeidosSenior Cybersecurity ArchitectLorton, VirginiaThis role is pivotal in ensuring the confidentiality, integrity, and availability of both on-premises and cloud-hosted assets while enabling secure innovation at scale by working closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission. It's a better architecture: policy-as-code that enforces compliance at the moment of deployment, zero-trust built-in to system design from day one, continuous evidence that gives auditors real-time proof instead of point-in-time packages, and an ATO that program teams can inherit rather than pursue.
Network Engineer (SME) Emergent Technologies IncNetwork Engineer (SME)Reston, VAFull timeEmergent Technologies Inc., a veteran-owned IT and engineering solutions provider based in Herndon, VA, is seeking an experienced Senior Network Engineer or Network Subject Matter Expert (SME) to lead enterprise-scale networking initiatives. If you're a senior-level network expert seeking a leadership role in a dynamic, on-site setting — and want to make a lasting impact — we invite you to apply and grow your career with Emergent Technologies Inc.
Control Engineer 2 (BMS and EMCS) M.C. Dean, IncControl Engineer 2 (BMS and EMCS)Tysons , Virginia$90,640–$113,300 / yearFull timeControl Engineers work in various applications including industrial controls, cybersecurity, building automation, water / wastewater, power controls and protection, energy management, and transportation systems. Control Engineer 2 (BMS and EMCS) supports the design, implementation, and commissioning of Building Management Systems that monitor and control HVAC, electrical, and other building systems.
F5 Network Security Engineer, Senior Booz Allen Hamilton Inc.F5 Network Security Engineer, SeniorFort Meade, MD$86,900–$198,000 / yearThis position is built for someone who enjoys solving difficult networking problems, working hands-on with advanced F5 and load balancing technologies, and supporting mission-critical infrastructure where performance, resilience, and security matter every day. This role offers the opportunity to take ownership of meaningful technical challenges, collaborate with experienced engineering and cybersecurity teams, and help modernize secure communications infrastructure supporting national security missions.
Senior Network Engineer TekSynapSenior Network EngineerMaryland$130,000–$160,000 / yearFull timeThe salary range displayed is an estimate only and is not a guarantee of compensation or salary, and will be determined on several factors regarding the individual’s particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements. This senior level role requires an experienced engineer capable of designing, implementing, optimizing, and modernizing enterprise network architectures for a mission critical intelligence environment.
NewSenior Palo Alto Networks Engineer CELESTIAL INNOVATIONS GROUP LLCSenior Palo Alto Networks EngineerWashington, DCFull timeIn this role, you will serve as a trusted security advisor and hands-on technical lead, designing and implementing cutting-edge network and cloud security solutions for civilian, defense, and intelligence community agencies. You will work closely with CIG's delivery team and government stakeholders to ensure that security architectures meet the stringent requirements of federal compliance frameworks including FedRAMP, FISMA, NIST SP 800-53, and CMMC.
Senior CDN & Cloud Network Engineer Rocket MortgageSenior CDN & Cloud Network EngineerWashingtonLead Cloud Strategy & Design: Lead the evolution of Redfin’s cloud strategy by architecting scalable, elegant solutions that balance immediate business needs with long-term infrastructure investments and "big picture" technical health. Drive Cross-Team Consensus: Partner with SEO, Platform, and Infosec teams to resolve cross-team dependencies and drive consensus on infrastructure security, resolving obstacles to ensure successful project completion.
Senior Network Engineer LeidosSenior Network EngineerLaurel, MarylandOur Cyber & Analytics Business Area (CABA) brings together experts in Security Engineering, Computer Network Operations (CNO), SIGINT, Mission Software, and Cryptographic Key Management . May 4, 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.
Identity and Access Management/ABAC Architect FgsIdentity and Access Management/ABAC ArchitectSuitland, MarylandThe architect will work closely with enterprise architects, cybersecurity engineers, cloud architects, system administrators, application developers, and government stakeholders to ensure identity services are securely integrated across hybrid cloud and on-premises environments. Demonstrating an unyielding commitment to our customers, superior trust and dedication with our partners, and leading-edge technical expertise over the past seven years, FGS has experienced explosive growth providing superior services throughout the world, from North America and the Pacific Rim to the Middle East and Europe.
Senior Network Engineer with Poly Bigbear.aiSenior Network Engineer with PolyAnnapolis Junction, MarylandFull timeWhat you will do: Monitor & Optimize Networks: Oversee the customer’s Risk Management Framework and related networks to ensure optimal performance and security. Contribute to Agile Development: Participate in agile activities, including release planning, sprint planning, and retrospectives, to incorporate lessons learned into engineering processes.
NewSenior Microsoft Cloud Security Engineer/Architect (On-Site) GroundswellSenior Microsoft Cloud Security Engineer/Architect (On-Site)McLean, VirginiaGroundswell is seeking an experienced, hands-on Cybersecurity Specialist to serve as the senior on-site technical support for cybersecurity operations, Microsoft Azure Government, Microsoft 365 GCC High, cloud infrastructure, identity, endpoint security, networking, and incident response. Lead AvePoint backup and recovery for Microsoft 365 GCC High, including monitoring jobs, resolving failures, testing restores, and maintaining recovery practices for Exchange, SharePoint, OneDrive, and Teams.
Senior Network Engineer Tactibit Technologies LLCSenior Network EngineerSuitland, MDDesired Qualifications are: Experience with Federal government environments and concepts including NIST Risk Management Framework, NIST SP 800-53 security controls, and DISA Security Technical Implementation Guides (STIGs). Identify, design, plan, and implement network upgrades and configuration changes to support architectural improvements, address new requirements, and updates to address security vulnerabilities and obsolescence.
Engineer I CSA Global LLCEngineer IArlington, VADevelop and maintain Cyber Workforce (CWF) compliance tracking products aligned to DoD 8140 work roles, and support enterprise cybersecurity performance dashboards providing visibility into RMF, ATO, and POA&M status. Manage RMF package workflows within the Enterprise Mission Assurance Support Service (eMASS), tracking package status through the Navy Authorizing Official (NAO), Security Control Assessor (SCA), and Validator review queues.