Senior Network Engineer
Core
Architect, design, secure, and optimize mission-critical network infrastructure in a hybrid cloud/on-premises environment supporting DoD operations within a high-security, air-gapped enterprise.
Role type
Senior Network Engineer (Security & Compliance)
Builds
Enterprise Layer 2/3 networks, data center architectures, and secure access frameworks for federal clients.
Domain
Defense & National Security / Enterprise Networking
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
TCP/IP, VLANs, routing, switching, subnetting, ACLs, segmentation, Cisco enterprise gear (Catalyst, Nexus, ISE, TACACS+), network security architectures, cyber-compliance
Preferred skills
None stated
Technologies
Cisco Catalyst 9300/9500, Cisco Nexus/NX OS, Cisco ISE, VMware ESXi/vCenter, Elastic, Zabbix, SolarWinds
Responsibilities
Architect and maintain advanced Layer 2/Layer 3 network infrastructures across campus, data center, and hybrid cloud environments; Lead deployment and lifecycle management for Cisco Catalyst and Nexus platforms; Architect and administer enterprise 802.1X authentication using Cisco ISE; Ensure network compliance with STIGs, RMF controls, FIPS requirements, and DoD cybersecurity mandates; Integrate network platforms with SIEM and monitoring stacks; Serve as a senior technical advisor and mentor junior engineers.
Seniority
Senior, hands-on IC with mentorship responsibilities