Top Senior Network Engineer Jobs in Denver & Boulder, CO

Owns and optimizes resilient, ultra-low-latency network and physical data-center infrastructure for institutional trading across cloud and on-premises environments. Designs routing, multicast, segmentation, firewall, VPN, telemetry, and automation systems. Leads production changes, incident response, failover testing, maintenance, and on-call support for 24/7 trading platforms. Mentors engineers and partners with SRE, product, and trading-system teams to improve reliability and developer velocity.

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.

Designs, implements, maintains, and troubleshoots enterprise network infrastructure across distributed sites. Configures Cisco routers, switches, wireless systems, VoIP, Palo Alto firewalls, VPNs, and related security appliances. Leads complex routing, switching, wireless, and multi-server network projects; supports installations, upgrades, documentation, service restoration, and long-range network planning. Collaborates with IT teams, service providers, and business users while ensuring network security, standards adherence, and successful project delivery.

Designs, implements, maintains, and optimizes scalable FTTH broadband network infrastructure. Configures core network equipment, monitors performance, troubleshoots complex issues, leads root cause analyses, and improves network automation and observability. Implements security and disaster recovery measures, maintains technical documentation, mentors engineering and NOC teams, supports vendor escalations, and contributes to long-term network strategy and technology roadmaps. Participates in an occasional travel schedule and after-hours on-call rotation.

Designs, deploys, maintains, and supports enterprise LAN, WAN, WLAN, routing, switching, wireless, firewall, and Azure network infrastructure for MSP clients. Troubleshoots complex Layer 2 and Layer 3 issues, develops documentation and configuration standards, supports capacity planning and risk assessments, and collaborates across teams on client projects. Requires substantial travel to customer sites, occasional on-call availability, and adherence to security and background-check requirements.

Designs, deploys, secures, automates, monitors, and maintains multi-vendor network infrastructure supporting Blue Origin mission operations across multiple sites. Responsibilities include establishing standardized network designs, developing automation frameworks, configuring network devices, resolving performance issues through root-cause analysis, and managing capacity and infrastructure lifecycles across enterprise and industrial environments.

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

Serve as cleared senior network SME for DoD medical networks. Lead resolution of complex LAN/WLAN/WAN issues, design and enforce standards, configure firewalls/VPNs/IDS, use SolarWinds/ARMIS/Ansible for diagnostics, advise government stakeholders, lead teams, and support performance, capacity planning, and high-availability across DHA facilities.

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.

Designs, deploys, secures, and operates enterprise and service-provider networks across on-premises, colocation, and cloud environments. Manages routing, switching, peering, addressing, firewalls, VPNs, monitoring, automation, capacity planning, and incident response. Maintains documentation and compliance evidence, serves as a technical escalation point, mentors junior engineers, and works directly with customers. The role is remote, includes occasional travel, and requires on-call and after-hours maintenance participation.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Operate, maintain, and scale large data-center Ethernet fabrics; respond to incidents and participate in on-call rotation; execute maintenance, upgrades, and hardware replacements; troubleshoot latency, packet loss, and connectivity; and build automation/tooling (Python/Go, Ansible, Git) to streamline operations.

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.

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.

Design, secure, and optimize on‑prem and cloud networks; manage firewalls and switching; integrate multi‑cloud connectivity; own external links (Megaport); troubleshoot production incidents and participate in 24x7 on‑call rotation to ensure high availability.

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

Leads the design and implementation of enterprise network automation across on-premises and multi-cloud environments. Develops Infrastructure as Code using Python, Ansible, Terraform, Git, and CI/CD pipelines; automates provisioning, configuration, monitoring, compliance, and lifecycle management. Supports routers, switches, firewalls, and load balancers, troubleshoots incidents, performs root cause analysis, and drives network upgrades and cloud adoption. Establishes testing and engineering standards, mentors junior engineers, creates documentation, and participates in on-call support and frequent travel.

Lead design, implementation, and automation of Akamai's global network. Build and maintain IP/BGP routing, data center CLOS fabrics, and overlay technologies (VxLAN/EVPN). Create/manage configuration templates with Python, Ansible, and Jinja2. Troubleshoot complex multi-vendor environments and collaborate cross-functionally on data models and requirements.

Lead network architecture and delivery for MSP engagements across LAN/WAN, SD-WAN, wireless, and network security. Provide pre-sales design, hands-on implementation of Extreme and Fortinet platforms, develop standards and templates, perform network assessments, mentor junior engineers, and represent the practice in client-facing strategy discussions.

Design, build, secure, and maintain resilient enterprise and classified network infrastructure. Support routers, switches, firewalls, DNS/DHCP, perform packet analysis and monitoring, troubleshoot LAN/WAN issues, implement network security controls and segmentation, collaborate with cloud and cybersecurity teams, and produce operational documentation and reporting.

Partners with enterprise and MSP customers to identify network automation opportunities, analyze network environments and ITSM data, and architect automation solutions using NetBrain Runbooks, Qapps, Dataviews, and integrations. Trains customer engineers to maintain and expand automation capabilities, collaborates with vendor partners, researches automation content, and delivers reliable troubleshooting and network operations solutions.

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.

Leads the design, deployment, operation, and support of distributed AWS cloud network infrastructure and hybrid on-premises connectivity. Owns VPCs, subnets, transit gateways, routing, security controls, and scalable network topologies. Builds resilient deployments using infrastructure as code, CI/CD, and configuration automation; troubleshoots complex incidents, performs root cause analysis, and implements long-term fixes. Provides technical guidance, contributes hands-on engineering work, mentors teammates, and supports secure, reliable, cost-effective platform delivery.

Manage and optimize high-bandwidth, low-latency VFX network infrastructure supporting render farms, storage, cloud rendering, artist collaboration, and remote workstations. Configure AWS Deadline Cloud, troubleshoot Maya and Arnold rendering, build asset-transfer and per-show environment systems, optimize Linux and Windows pipelines, and document architecture and procedures. The role requires strong Python and Bash scripting, networking, storage, systems administration, render-farm, and VFX pipeline expertise.

Lead capability development and vulnerability research for an AI-driven exploit discovery and delivery system supporting a national security customer. Design exploit research and productization workflows, coordinate engineers and security researchers, establish technical practices, and integrate targeting data, tools, and infrastructure. The role requires extensive CNO development or security research experience, proficiency in multiple programming languages, cyber operations expertise, agentic AI workflow experience, and team leadership.