Top Senior Network Engineer Jobs in Denver & Boulder, CO

Design, deploy, and operate enterprise network infrastructure across data centers and cloud (GCP, AWS, Azure). Manage VPCs, VPNs, BGP, F5 BIG-IP, hybrid connectivity, and observability. Build IaC and automation with Terraform, GitLab CI/CD, and Ansible. Maintain monitoring, documentation, and participate in on-call support for critical incidents.

As a Sr. Product Security Engineer, you will focus on network security, identifying gaps, architecting solutions, and leading cross-functional security initiatives.

Build software at Coinbase while responsibly using and integrating generative AI copilots (e.g., LibreChat, Gemini, Glean). Continuously learn evolving tools, apply human-in-the-loop practices, and deliver business-ready outputs that improve efficiency, cost, and quality. Participate in quarterly in-person working sessions as part of a remote-first culture.

Design, deploy, and support secure, high-performance data center and hybrid networks. Troubleshoot LAN/WAN/WLAN, routing (BGP/OSPF), TCP/IP, VPNs, SAN/NAS, and firewalls; monitor networks; automate tasks; mentor junior staff; maintain documentation and security controls; and support DoD contract requirements and clearance processes.

Lead design, implementation, optimization, and support of enterprise and data center networks. Serve as top escalation for complex incidents, drive infrastructure reliability, develop scalable designs, champion architecture and automation, partner with sales and customers, and lead networking projects from inception through post-implementation support.

Manage and support enterprise network infrastructure including firewalls, VLANs, routing/switching, wireless, VPNs and monitoring. Deploy new office network hardware, perform cabling and ISP turn-up, and participate in change management. Provide operational support for Cisco ISE and Firepower environments, troubleshoot using packet-capture tools, maintain documentation, and collaborate with Security, Infrastructure, and End User Services teams.

Design, implement, and maintain secure, high-availability enterprise network infrastructure across co-located data centers and cloud. Lead troubleshooting, performance monitoring, firewall/routing/switching configuration, documentation, vendor collaboration, and mentor junior engineers while supporting deployments and escalated incidents.

Design, deploy, and troubleshoot carrier-grade Layer 1-3 connectivity including carrier interconnects, NNIs, MPLS, BGP, VRFs, VLANs, and Azure ExpressRoute. Validate circuit turn-ups, support data center deployments, develop configuration templates and runbooks, and act as escalation for complex transport and routing issues while coordinating with carriers, NOC, and implementation teams.

The Sr. Network Engineer designs, implements, and operates cloud and hybrid network infrastructure, emphasizing automation and customer-centric solutions while supporting 24x7 operations.

Support and engineer customer networks for government clients: troubleshoot escalated incidents, configure and maintain switches, routers, firewalls, and wireless infrastructure, analyze recurring issues, implement changes and optimizations, investigate performance/routing/VLAN/subnet problems, monitor network metrics, mentor Tier 1 staff, maintain documentation, and collaborate on projects and migrations.

Lead Greenfield and Brownfield customer network deployments and production migrations. Design and troubleshoot advanced routing (BGP, OSPF, MPLS, VRF), implement firewalls (FortiGate, Cisco ASA), and build secure enterprise VPN and SD-WAN architectures. Participate in U.S.-aligned change windows and resolve complex escalations to minimize downtime.

Lead customer network deployments and brownfield migrations, design and troubleshoot advanced routing and VPN architectures, implement and manage Fortinet and Cisco firewall solutions, perform TAC-level debugging (packet captures, device debug), and own production change windows aligned to US hours.

Senior Network Engineer to troubleshoot escalated network incidents, configure and maintain switches/routers/firewalls/wireless, analyze recurring issues, implement changes and optimizations, monitor performance, mentor Tier 1 staff, and maintain network documentation and topology.

Manage and secure central hub network infrastructure and VPN connectivity, configure and maintain routers, switches, firewalls, and encryption devices, administer Cisco Call Manager, SolarWinds and Microsoft NPS, troubleshoot network issues, perform capacity planning, maintain documentation, ensure compliance with security standards, and provide on-call support for mission-critical operations.

The Senior Network Engineer will lead the Network Operations team in designing scalable network solutions, driving automation, and enhancing network security while ensuring operational excellence.

Manage and maintain network infrastructure, provide architectural solutions, troubleshoot issues in a cloud environment, mentor staff, and ensure network security practices are followed.

Responsibilities include designing and managing cloud networking solutions, enterprise infrastructure, security controls, automation scripts, and monitoring tools. Requires strong experience in AWS, Azure, and network security.

Design, implement, optimize, and support enterprise network architectures across campus, data center, WAN/SD-WAN, wireless, security, and cloud. Lead complex projects, perform advanced troubleshooting, mentor engineers, create design documentation, and consult with customers and stakeholders to deliver resilient, scalable, and secure networking solutions.

Serve as the CONUS SME and lead technical authority for LAN/WLAN/WAN operations at military hospitals. Provide enterprise engineering, complex troubleshooting across OSI layers, design and modernization guidance, DoD/DHA compliance, firewall/VPN/IDS/IPS/Zero Trust support, performance optimization, stakeholder interfacing, policy development, and mentor network engineering staff.

Lead design, implementation, and analysis of telecommunications networks (voice, data, video, wireless). Provide technical direction, cost evaluation, network specifications, installation planning, reporting, and coordinate with other IT professionals through project lifecycle.

The Senior Cloud Network Engineer will design and implement scalable cloud networking solutions, automate infrastructure processes, and lead cross-functional collaborations while ensuring security and operational excellence.

The Senior Network Engineer will design, manage, and optimize large-scale data center networks for AI workloads, ensuring reliability and performance.

Design, plan, and document LAN/WAN network architectures; troubleshoot network faults; specify hardware/software (routers, switches, firewalls, load balancers); evaluate new communications technologies; support large-network design changes. Requires collaboration, travel, and meeting security and certification requirements for mission success.

The Senior R&D Network Software Engineer designs and develops high-performance networking software and services, collaborates with the team on product features, and resolves issues in existing products while working in an Agile environment.

Lead design, implementation, automation, and security operations for Azure cloud networking in FedRAMP High/IL4 environments. Build modular IaC (Terraform, ARM, Bicep), implement advanced networking and firewall controls, mentor team members, participate in on-call support, and translate compliance controls into enforceable guardrails.