Sr. Tier II Network Technician
Core
Provide incident resolution, routing and firewall changes, and act as a subject matter expert for WAN and LAN technologies.
Role type
Senior Tier II Network Technician
Builds
WAN and LAN network infrastructure, secure communication systems, and encrypted data links.
Domain
Defense/Security, Network Engineering
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
WAN/LAN troubleshooting, Layer 2 switching (VLANs, Port Security), COMSEC custodian duties, encryption device configuration, network change management, asset inventory, Cisco/Juniper OS familiarity, TCP/IP and OSI models, Layer 1/2 cabling (Fiber, SFP), ITSM tools (ServiceNow)
Preferred skills
Layer 3 protocols (OSPF, BGP, VRRP, HSRP, MPLS, GRE), Microsoft Visio, Atlassian Confluence
Responsibilities
Respond to and resolve incident tickets, draft and implement standard network change requests, support Tier III engineers for site surveys and equipment installation, perform configuration management and topology updates, coordinate network maintenance and upgrades, configure and troubleshoot encryption devices, maintain COMSEC equipment accountability and inventory.
Seniority
Senior, hands-on IC