Senior Network Engineer

Salary: $118,450 - 163,259 per yearRequirements:6+ years of demonstrated experience with the listed technologies, services, and protocolsExperience with Cisco hardware implementation, maintenance, and support; NetApp storage; network configuration, interfaces, security protocols, traffic optimization, and virtual SANsExperience with VMware or other systems virtualization, including VMware ESXi 6.x administration and managementExperience managing AWS and/or Azure cloud systems, SAN storage technologies, Veeam and cloud backups, server monitoring tools, and RDS terminal serversAt least 1 year of experience with IPv4-to-IPv6 migration, Cisco Firepower 2K-to-3K upgrades, and cloud networking and migrationRequired certifications: Cisco CCNA, Cisco CCNP, AWS Certification, and CompTIA CySA+Ability to work in person at our Arlington, Virginia locationResponsibilities: Serve as our operational subject matter expert for managed internet and MPLS services, coordinating network design changes with our telecommunications provider and maintaining records of changes to physical, virtual, and cloud infrastructureAct as our point of contact for third-party vendors during service interruptions, coordinating restoration and recovery and escalating risks and impacts according to established proceduresMaintain firewall and router hardware and operating system configurations, including Azure WAF, Barracuda, Palo Alto, IronPort, Cisco, and/or Fortigate systemsLead network security project design and engineering, including defense-in-depth approaches and Identity Services Engine (ISE) Support compliance with NIST, FISMA, and CIS benchmark network security standardsDevelop and maintain current and future-state enterprise network architecture and respond to CISA/DHS data calls and metric requestsProvide technical consultation and subject matter expertise for on-premises and cloud continuity-of-operations engineering, architecture, implementation, and ongoing operationsProvide technical expertise for the IPv6 migration and compliance project and other projects as directedPlan and carry out installation, testing, operation, troubleshooting, training, and maintenance for network and cybersecurity systems, load balancing, segmentation, and alternate routing/continuity strategiesPlan and execute enterprise network infrastructure upgrades while ensuring data transit and interfaces meet FISMA/FIPS requirementsInstall, maintain, and enhance network and systems equipment and services, and prepare or update technical documentation and proceduresManage and load-balance network and systems resources, including performance, capacity, availability, serviceability, and recoverabilityImplement and maintain security protocols, procedures, patches, tools, and configuration baselinesDevelop, document, and maintain systems administration standard operating proceduresAnalyze and resolve hardware, software, interface, and interoperability issuesApply information security and assurance policies and practices when delivering systems administration servicesMaintain an archive of enterprise network and systems configuration documentation, working independently and/or with our telecommunications providerPrepare and maintain disaster recovery documentation and support continuity-of-operations and service failover objectivesMonitor and analyze Splunk, SolarWinds, and/or designated SIEM audit logs and report irregularitiesImplement, document, support, and maintain our VPN and VoIP servicesTechnologies: AWSAzureCloudCiscoFirewallFortiGateHardwareSupportLoad BalancingMPLSNetworkSecuritySplunkVPNVMwareVeeamWAFMore: We are seeking a Senior Network Engineer SME to support our government-directed network engineering work under the guidance of the OCIO CISO and/or delegated COR. This is an onsite, in-person role in Arlington, Virginia (22209). The listed pay range is $56.87–$78.49 per hour. Applicants are asked whether they are local to the DMV area and to provide their interview availability.last updated 45 week of 2026