Network Engineer

Leidos · Lorton, Virginia · $92,300.00 - $166,850.00 · onsite Leidos Enterprise Civil Div. in support of the Department of Homeland Security (DHS) is seeking a Network Engineer to work out of Lorton, Virginia. The successful candidate will be responsible for managing end-to-end network installation and configuration activities, ensuring successful deployment, and maintaining high network quality standards. Responsibilities Lead and manage the deployment of network solutions across various geographic locations, ensuring projects are delivered on time, within scope, and within budget. Oversee the installation, configuration, and testing of network hardware and software, including routers, switches, and firewalls. Coordinate with cross-functional teams to ensure smooth deployment and integration of network systems. Ensure adherence to network design and security best practices. Create detailed project plans, manage timelines, track progress, and address any issues that arise during the deployment lifecycle. Design, engineer, and implement local area networks (LANs), wide area networks (WANs), Data Center networks, and other network-related technologies. Perform network configuration and troubleshooting to ensure optimal performance and security. Collaborate with cross-functional teams to integrate network solutions for new and existing systems. Conduct thorough risk assessments and implement mitigation strategies. Maintain thorough documentation of network deployment processes, configurations, and troubleshooting logs. Perform site surveys to assess site readiness and determine deployment needs. Provide technical leadership and mentorship to junior engineers and deployment staff. Troubleshoot and resolve any network issues that arise during deployment and post-deployment phases. Ensure compliance with industry standards and regulatory requirements. Conduct regular maintenance and firmware upgrades on critical network infrastructure. Create required engineering documentation for network-related projects. Provide on-call support and response for critical system emergencies, as required. Qualifications Active TS/SCI clearance required. Bachelor's degree in a technology-related field with 8+ years of experience in Network Engineering in an enterprise environment. Required Skills Design, deploy, and maintain Cisco ISE solutions for classified enterprise-scale environments. Configure and optimize 802.1X authentication for wired networks. Integrate ISE with Active Directory, PKI, and other identity sources for centralized policy management. Implement and manage MAC Authentication Bypass (MAB) for non-802.1X capable devices. Develop and maintain network access policies, VLAN assignments, and posture assessments. Troubleshoot authentication issues using tools like Wireshark, Splunk, and ISE logs. Solid experience with routing and switching technologies (e.g., Cisco, Juniper). In-depth knowledge of L2/L3 network protocols/technologies and network security best practices. Experience with network management tools and network monitoring systems. Proven leadership skills and experience managing cross-functional teams or projects. Strong problem-solving and analytical skills with a proactive approach to addressing network deployment challenges. Excellent communication skills, both written and verbal. Desired Skills Experience supporting classified networks. Experience in ensuring Service Level Agreement (SLA) compliance. Support to DHS Programs knowledge/experience. COMSEC. SolarWinds. Network Automation. Pay Range: $92,300.00 - $166,850.00