101731 Senior Network Engineer - Fairfax, VA ManpowerGroup Public Sector101731 Senior Network Engineer - Fairfax, VAFairfax, VirginiaJoin a high-performing senior-level networks team tasked with architecting, designing, implementing, and maintaining a large-scale, mission-essential multi-agency network infrastructure. You’ll play a key role in shaping and sustaining secure, scalable, and resilient networking environments across data centers, transport layers, and rack-level infrastructure.
Senior Network Tool Engineer LeidosSenior Network Tool EngineerChantilly, Virginia$107,900–$195,050 / yearInstall, configure, and maintain Cisco Network Services Orchestrator (NSO) solutions and associated network infrastructure components, ensuring high availability, performance, and reliability. December 19, 2025 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 Network Security Engineer :: Bethesda, MD (Remote) ARK Solutions, Inc.Senior Network Security Engineer :: Bethesda, MD (Remote)Bethesda, MDRemoteSeeking for a Senior Network Security Engineer where you will be a technical leader responsible for designing and implementing our network security strategy and firewall management platforms. Collaborate with a global team of network architects and engineers to enhance our security operations and ensure compliance across all networks.
NewSr Software Engineer - Network & SDN - TeraWave Blue OriginSr Software Engineer - Network & SDN - TeraWaveBay Area, WashingtonAs a Senior Network Engineer for Network Architecture & SDN at TeraWave, you will contribute significant technical expertise to the design and implementation of the "brain" of our constellation, developing a dynamic, self-healing network that operates at orbital speeds across our multi-orbit constellation of 5,408 optically interconnected satellites. and/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.
Network 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.
Senior VMWare Virtualization Architect/Engineer TekSynap CorpSenior VMWare Virtualization Architect/EngineerReston, VAn VMware Certified Professional \u2013 Data Center Virtualization (VCP-DCV) \n Citrix Certified Associate / Professional (CCA-V / CCP-V) \n Microsoft Certified: Windows Server Hybrid Administrator \n Azure Administrator \n Windows Server Certification \n RHCSA / LPIC-1 \n \nOverview\n \nWe are seeking a Senior VMWare Virtualization Architect/Engineer to drive the architecture, design, security, deployment, and lifecycle optimization of enterprise scale virtualization services supporting Defense Intelligence Agency's mission critical operations under Solutions for the Information Technology Enterprise III (SITE III). \n Must meet the IAT Level III baseline cert plus any environment-specific or computing environment (CE) certifications required (CISSP, CCNP/CCIE, JNCIP, etc): \n CISSP or CASP+ \n VMware VCP-DCV (or equivalent virtualization cert) \n Windows Server certification \n AWS Solutions Architect Associate/Professional certification\n \n\n \nDESIRED QUALIFICATIONS\n\n VCAPDCV or VCIX/Design certificaton is strongly preferred.
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 Specialty Solutions Engineer - Network AHEAD, LLCSenior Specialty Solutions Engineer - NetworkWashington, DC$245,000–$275,000 / yearOutside of this core tenet, our expectation is to attract, recruit and attain resources who have a desire to focus not only on traditional on-premise solutions, but also to be looking to career, technology and skill advancement by being actively willing to demonstrate skills and ability to learn new technologies including multiple SDN solutions, network security, load balancing, edge / acceleration, and cloud technologies. The AHEAD Senior Specialty Solutions Engineer - Network, will be focused on the core tenets of Network and Network Security related solutions for AHEAD prospects and customers including a broad range of technologies.
Senior WAN Encryption Engineer & Architect Virginia Tech Applied Research CorporationSenior WAN Encryption Engineer & ArchitectArlington, VA$225,000–$275,000 / yearDeep awareness of commercial crypto and secure transport solutions, including COTS IPsec VPN gateways/clients, MACsec devices, TLS-protected services, PKI/certificate authority dependencies, authentication services, software and hardware encryption approaches, MDM/EUD dependencies, secure voice/VoIP components, commercial firewall/VPN platforms, SD-WAN security, SASE/SSE concepts, cloud interconnect security, and managed carrier transport options. VT-ARC is seeking a Senior Secure WAN Encryption Engineer & Architect (SME) to lead secure transport architecture, WAN encryption integration, CSfC-aware solution planning, commercial crypto solution evaluation, Type 1 inline encryption integration, and crypto modernization for mission-critical programs in secure zero-trust environments.
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.
Network Engineer ValidaTekNetwork EngineerArlington, VirginiaWe bring together people with many different perspectives, experiences, and talents to drive innovation and achieve more together than we can individually.â¯Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. ValidaTek is searching for a Senior Network Engineer to support our customer’s network architecture which is a part of a large telecommunications and networking infrastructure in a secured DoD environment.
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 Network Automation & Configuration Management Engineer GEICO GENERAL INSURANCE COMPANYSenior 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.
Network Engineer (SME) Emergent TechnologiesNetwork Engineer (SME)Reston, VirginiaEmergent 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.
Senior WAN Encryption Engineer & Architect Virginia Tech Applied Research CorpSenior WAN Encryption Engineer & ArchitectArlington, VADeep awareness of commercial crypto and secure transport solutions, including COTS IPsec VPN gateways/clients, MACsec devices, TLS-protected services, PKI/certificate authority dependencies, authentication services, software and hardware encryption approaches, MDM/EUD dependencies, secure voice/VoIP components, commercial firewall/VPN platforms, SD-WAN security, SASE/SSE concepts, cloud interconnect security, and managed carrier transport options. Position Overview: VT-ARC is seeking a Senior Secure WAN Encryption Engineer & Architect (SME) to lead secure transport architecture, WAN encryption integration, CSfC-aware solution planning, commercial crypto solution evaluation, Type 1 inline encryption integration, and crypto modernization for mission-critical programs in secure zero-trust environments.
Network Engineer - Subject Matter Expert Emergent TechnologiesNetwork Engineer - Subject Matter ExpertReston, VirginiaEmergent Technologies Inc., a veteran-owned technology solutions provider based in Herndon, VA, is seeking a highly experienced Principal Network Engineer / Senior Network Architect to lead the design, deployment, and support of complex network infrastructures. With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results.
Senior Cyber Tools Architect/Engineer ASRC Federal Holding CompanySenior Cyber Tools Architect/EngineerVAThe ideal candidate will serve as the technical authority for cybersecurity tools, platforms, and frameworks, responsible for defining, designing, and enhancing enterprise-wide security architectures that protect our organizations critical assets, data, and systems across complex, hybrid, and multi-cloud environments. Minimum Requirements: Experience: Minimum of 10 years of progressive experience in cybersecurity architecture and engineering, with at least 5 years of hands-on experience designing and implementing enterprise security tools and platforms in large-scale, complex environments.
Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME) Virginia Tech Applied Research CorporationSenior Cyber Infrastructure Engineer & Architect (Security Platforms SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME) to support cybersecurity platform engineering, security infrastructure modernization, automation, and operationalization for mission-critical enterprise communications, network modernization, and secure infrastructure programs within TS/SCI environments. The selected candidate will help architect, deploy, integrate, and sustain security operations platforms such as SIEM, EDR/XDR, enterprise vulnerability scanning, security telemetry pipelines, log collection infrastructure, compliance and configuration monitoring, and API-driven security workflows.
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 Cyber Infrastructure Engineer & Architect (Security Platforms SME) Virginia Tech Applied Research CorpSenior Cyber Infrastructure Engineer & Architect (Security Platforms SME)Arlington, VAPosition Overview: VT-ARC is seeking a Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME) to support cybersecurity platform engineering, security infrastructure modernization, automation, and operationalization for mission-critical enterprise communications, network modernization, and secure infrastructure programs within TS/SCI environments. Required Education, Certification, Skills, Capabilities: Senior-level experience as a cyber infrastructure engineer, security platform engineer, cyber systems architect, cyber systems administrator, security tools engineer, or equivalent role supporting classified, DoD, IC, federal, or high-assurance enterprise environments.