Network Engineer I – Cleared PositionWe are seeking a motivated and technically strong Network Engineer to support secure enterprise and datacenter network environments within a high-availability government infrastructure. The ideal candidate will have hands-on experience with Cisco-based networking technologies, network security, routing and switching, and enterprise troubleshooting in mission-critical environments.This role supports installation, configuration, monitoring, maintenance, and troubleshooting of enterprise network infrastructure including routers, switches, firewalls, VPN technologies, and virtualization platforms. Candidates should be comfortable operating in fast-paced operational environments and supporting live production systems.ResponsibilitiesInstall, configure, maintain, and troubleshoot enterprise network infrastructureSupport LAN, MAN, and datacenter network environmentsConfigure and support Cisco routers, switches, firewalls, and VPN technologiesMonitor and troubleshoot routing, switching, and TCP/IP connectivity issuesSupport network security boundaries, ACLs, and stateful firewall policiesPerform physical installation and cabling of network hardwareSupport load balancers, SAN connectivity, and virtualization networkingUtilize ticketing systems such as Remedy to track and document work activitiesParticipate in on-call rotation and operational support activitiesWork within live production environments with minimal supervisionCollaborate with engineering and security teams on infrastructure improvementsRequired Qualifications3+ years of network engineering experience with a degree, or 5+ years without a degreeExperience supporting enterprise or datacenter network environmentsStrong understanding of TCP/IP protocol stackStrong knowledge of Layer 2 and Layer 3 networking protocolsExperience with routing and switching technologiesHands-on experience with Cisco networking equipment and operating systemsExperience with firewalls, VPNs, and network access controlsExperience troubleshooting enterprise network connectivity issuesAbility to support operational and on-call requirementsTechnical ExperienceExperience with one or more of the following technologies:Cisco IOSCisco NX-OS / CatOSCisco routers and switchesCisco ASA firewallsTACACS+VPN/IPSEC technologiesLoad balancersFiber Channel SANInfinibandVMware virtualizationSolaris ContainersAtlassian Tool SuiteHP OpenViewRemedy ticketing systemsPreferred QualificationsExperience with enterprise network architecture and datacenter designExperience supporting secure government or classified environmentsFamiliarity with network monitoring and packet capture toolsExperience with virtualization and cloud-connected infrastructureStrong troubleshooting and documentation skillsCertifications PreferredCisco Systems CCNACCNPSecurity+Other relevant networking or security certificationsClearance RequirementActive security clearance requiredAbility to maintain clearance eligibility throughout employmentWork EnvironmentFast-paced enterprise operations environmentMission-critical infrastructure supportOn-call rotation requiredHybrid of engineering, operational support, and infrastructure deployment responsibilities