Senior Network Engineer

ELEVI Associates•Commerce City, CO

About The Position

You will need to have these skills to Join our Team Skill Requirements: Must Hold a TS Clearance with SCI eligibility Deep expertise with Cisco IOS, IOS-XE, NX OS, including routing, switching, ACLs, QoS, VLANs, and STP. Strong hands on experience with Dell Networking OS10/FTOS for data center switching and fabric operations. Familiarity with data center technologies such as virtualization networking, storage networking, and ToR/aggregation switching. Experience managing L2/L3 architectures, spine/leaf designs, VLT, vPC, and high availability network topologies. Ability to perform firmware/software upgrades across Cisco and Dell platforms with proper change controls. Skilled in network troubleshooting using CLI, packet captures, syslogs, and performance monitoring tools. Strong understanding of network security (ACLs, port security, TACACS/RADIUS, segmentation). Expertise in creating and maintaining network documentation, runbooks, and SOPs. Ability to provide knowledge transfer and coach customer teams on operational practices. Experience in BGP, OSPF, EIGRP, and multicast networking across mixed vendor environments. Your Day to Day could look like this- Monitor and manage customer network infrastructure and performance. Review system/network log files. Generate routine operational and capacity reports. Support capacity planning and disaster recovery design efforts. Troubleshoot and isolate network incidents; coordinate service restoration. Open and manage service requests with vendors on behalf of the customer. Participate in root cause analysis and continuous problem management. Assist with software and firmware lifecycle management. Execute approved network change requests and maintain compliant documentation. Support and monitor network migration activities. Recommend operational improvements and implement best practices. Provide performance tuning guidance across the network environment. Partner with customer technical leadership to review system health and future architecture plans. Perform incremental network and host configuration beyond initial deployment. Deliver knowledge transfer on new technologies, SOPs, and administrative processes. Assist with creation and updates of runbooks and operational documentation. Review IT processes (incident, change, capacity, backup) for optimization opportunities. Provide technology recommendations and address customer skill gaps through targeted training.

Requirements

Must Hold a TS Clearance with SCI eligibility
Deep expertise with Cisco IOS, IOS-XE, NX OS, including routing, switching, ACLs, QoS, VLANs, and STP.
Strong hands on experience with Dell Networking OS10/FTOS for data center switching and fabric operations.
Familiarity with data center technologies such as virtualization networking, storage networking, and ToR/aggregation switching.
Experience managing L2/L3 architectures, spine/leaf designs, VLT, vPC, and high availability network topologies.
Ability to perform firmware/software upgrades across Cisco and Dell platforms with proper change controls.
Skilled in network troubleshooting using CLI, packet captures, syslogs, and performance monitoring tools.
Strong understanding of network security (ACLs, port security, TACACS/RADIUS, segmentation).
Expertise in creating and maintaining network documentation, runbooks, and SOPs.
Ability to provide knowledge transfer and coach customer teams on operational practices.
Experience in BGP, OSPF, EIGRP, and multicast networking across mixed vendor environments.

Responsibilities

Monitor and manage customer network infrastructure and performance.
Review system/network log files.
Generate routine operational and capacity reports.
Support capacity planning and disaster recovery design efforts.
Troubleshoot and isolate network incidents; coordinate service restoration.
Open and manage service requests with vendors on behalf of the customer.
Participate in root cause analysis and continuous problem management.
Assist with software and firmware lifecycle management.
Execute approved network change requests and maintain compliant documentation.
Support and monitor network migration activities.
Recommend operational improvements and implement best practices.
Provide performance tuning guidance across the network environment.
Partner with customer technical leadership to review system health and future architecture plans.
Perform incremental network and host configuration beyond initial deployment.
Deliver knowledge transfer on new technologies, SOPs, and administrative processes.
Assist with creation and updates of runbooks and operational documentation.
Review IT processes (incident, change, capacity, backup) for optimization opportunities.
Provide technology recommendations and address customer skill gaps through targeted training.