Senior Network Engineer

Senior Network EngineerGDIT is seeking a Senior Network Engineer to support the Health Resources & Services Administration (HRSA). You will own the design, operation, and security of HRSA's network infrastructure environment while supporting the broader enterprise LAN/WAN, firewall, and remote-access infrastructure. This is a hands-on engineering role working directly with Project Managers, the Office of Information Security and Privacy (OISP), and desktop/server support teams.How you will make an impactConfigure and manage routers, switches, firewalls, and remote access systems in support of secure and scalable network operationsImplement and support RSA SecurID / RSA Authentication Manager solutions, including integration with VPNs, RADIUS, and enterprise authentication systemsDesign, implement, and troubleshoot IPv4 and IPv6 network architectures, ensuring seamless integration and scalability across environmentsProvides innovative methods and technical solutions using the engineering design process.Collaborate closely with Project Managers, engineers, and stakeholders to deliver complex network projects on time and within scopeAnalyze customer and business requirements to develop technical solutions for complex networking challengesEnsure network integrity, security, and compliance with federal and organizational policies, including backup and recovery capabilitiesMonitor network performance using industry-leading tools, proactively identifying and resolving issuesWhat you need to succeedBachelor's degree or equivalent combination of education and experience.8+ years of network engineering experience, including: TCP/IP, DNS, routing/switching, IPsec VPN, firewalls, and end-to-end connectivity troubleshooting, including PCAP analysis with Wireshark.Hands-on experience with Cisco switching/IOS upgrades and at least one enterprise firewall platform (Cisco ASA/Firepower or Palo Alto/Panorama).Experience in federal or enterprise environments with strict compliance and 99.9%+ uptime requirements; familiarity with NIST 800-53, TIC 3.0, and CISA BODs.Formal change-management experience and TLS certificate lifecycle management.Excellent communication, documentation, and collaboration skills.Preferred qualificationsZscaler Certified Cloud Professional (ZCCP) or Zscaler Certified Cloud Administrator (ZCCA).Okta Certified Professional or higher.Cisco ISE, RSA SecurID, SolarWinds scripting, Azure networking (NSGs), Riverbed, Grafana, or Cribl.Hands-on experience administering Zscaler (ZIA, ZPA, ZDX).Experience integrating Okta or another IdP with Zscaler via SAML/SCIM.Location: Rockville, MD – onsite 5 days/weekClearance: Ability to obtain a Public Trust. Must have resided in the U.S. for 3 of the last 5 years and pass a public trust background investigation.GDIT is your place: 401(k) with company match, comprehensive health and wellness packages, paid education and certifications, internal mobility support, and cutting-edge technology to learn from.The likely salary range for this position is $111,350 - $150,650. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours: 40Travel Required: NoneTelecommuting Options: OnsiteWork Location: USA MD Rockville