Top Network Engineer Jobs in Denver & Boulder, CO

Manages and supports the City of Boulder’s local- and wide-area network infrastructure across on-premises and Azure cloud environments. Designs highly available network, data center, switching, routing, firewall, VPN, wireless, and fiber infrastructure; performs monitoring, troubleshooting, security remediation, lifecycle management, and disaster recovery planning. Coordinates physical plant construction, vendors, contracts, and projects while providing tier 2–3 technical support, customer communication, documentation, and on-call service. Collaborates with IT, facilities, public agencies, and contractors on network connectivity and infrastructure initiatives.

Installs, configures, maintains, and troubleshoots global network infrastructure, including routers, switches, firewalls, VPN endpoints, data centers, backbone networks, POPs, and CDNs. Performs upgrades, resolves outages and hardware or software issues, coordinates with ISPs and vendors, handles network traffic inquiries, and supports production and corporate network incidents. Requires broad networking, server, firewall, virtualization, CDN, and internet peering knowledge.

Test Engineer responsible for developing and executing comprehensive system test plans for Satellite Control Network products and solutions. The role coordinates integrated testing, evaluates test requirements, performs system-level technical analysis, and ensures compliance with specifications while balancing customer, schedule, and cost constraints. Candidates need SCN operations or testing experience, communications hardware testing experience, requirements traceability skills, and a DoD Secret clearance. The position supports telemetry, tracking, and commanding capabilities in Colorado Springs.

Monitors, maintains, and troubleshoots datacenter network infrastructure in a NOC environment. Performs rack and spine switch configuration, resolves incidents and outages, manages network documentation and asset records, and processes hardware RMA requests with vendors. Collaborates with cross-functional teams on datacenter operations and network projects while maintaining network reliability and performance.

Operate, monitor, troubleshoot, and optimize global network infrastructure across datacenters and telco partners. Diagnose complex network incidents, drive root-cause analysis, implement long-term fixes, document configurations and procedures, coordinate cross-team remediation, and support network architecture, routing, and peering for LAN/WAN/wireless environments.

Lead the architecture and evolution of edge-to-cloud connectivity for globally deployed humanoid robots. Design highly available, low-latency, secure network systems spanning 5G, private LTE, on-premise deployments, and cloud infrastructure. Engineer high-throughput telemetry and control traffic, hybrid connectivity tunnels, SDN and virtualization solutions, and fleet-wide observability. Serve as the technical authority for network architecture while partnering with cross-functional leaders. Perform advanced packet, Wi-Fi, RF, and network performance analysis.

Implement, configure, maintain, troubleshoot, and optimize F5 BIG-IP load-balancing infrastructure across distributed data centers and LAN/WAN environments. Manage virtual servers, SSL/TLS, iRules, certificates, HA failover, upgrades, monitoring, and network diagnostics. Administer Cisco, Juniper, and Infoblox infrastructure; support routing, switching, DNS, IPAM, documentation, security compliance, maintenance windows, and on-call escalations. The role requires U.S. citizenship and eligibility for an agency security clearance.

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.

Leads a team of 4–6 senior network engineers while providing hands-on support for complex customer environments. Oversees daily operations, escalations, incident and major incident management, root cause analysis, preventive measures, performance reviews, on-call scheduling, and workload distribution. Troubleshoots and optimizes Cisco, Nexus, Meraki, Palo Alto, Check Point, F5, and SAN technologies, while supporting monitoring, automation, patching, firmware updates, and hardware lifecycle management.

Own and operate a globally distributed VPN network, AWS control plane, backend infrastructure, and infrastructure-as-code tooling. Improve reliability, security, automation, observability, CI/CD, deployment safety, and cost efficiency across multiple providers. Troubleshoot production incidents, participate in 24/7 on-call, manage networking and VPN technologies, and replace manual operational processes with tested automation. Partner with engineering and product teams while ensuring high uptime, connection success, performance, and compliance.

Design, implement, and maintain MEMX’s low-latency trading network infrastructure. Configure network devices using Ansible and Python, monitor alerts, resolve incidents, perform root-cause analysis, and support customer connectivity turn-ups and tickets. Analyze and validate new products, implement secure end-user solutions with security teams, and coordinate with data center and circuit providers. The role requires expertise in distributed systems, routing protocols, multicast, network operating systems, timing protocols, packet analysis, firewalls, and optical networking.

Designs, implements, manages, and supports secure, highly available enterprise networks across global sites. Responsibilities include routing, switching, firewalls, wireless, SD-WAN, VPNs, cloud networking, automation, monitoring, lifecycle management, and advanced troubleshooting. The role serves as a senior escalation point, leads major incident responses, performs root cause analysis, and collaborates with infrastructure, cybersecurity, cloud, and operations teams on network reliability and modernization.

Own end-to-end network reliability across data centers, AWS, and GCP, including routing, switching, DNS, load balancing, service mesh, VPNs, circuits, and cross-connects. Automate network configuration with Ansible, Terraform, GitOps, CI validation, and IPAM. Engineer failover, observability, security hardening, client connectivity, and Kubernetes ingress while participating in an interrupt-contained on-call rotation.

Build and operate blockchain network infrastructure integrating protocols such as Bitcoin and Ethereum with internal services. Design reliable APIs, SDKs, data contracts, observability, and SLOs; lead multi-quarter chain integrations, architecture modernization, and migrations. Improve latency, reliability, and cost for high-throughput distributed systems while owning production services and on-call responsibilities.

Provides senior-level technical support for enterprise customers using Aviatrix’s multicloud networking and security products. Responsibilities include troubleshooting complex network environments, resolving high-priority issues, coordinating with engineering and sales, reporting product issues, improving support documentation and workflows, supporting production environments, and mentoring cloud network engineers. The role requires expertise in routing, BGP, IPsec VPN, Linux, networking products, cloud platforms, scripting, and automation.

Designs, tests, configures, monitors, and upgrades network architectures, including WANs, routers, switches, firewalls, Palo Alto devices, ACLs, and security controls. The role supports network capacity planning, troubleshooting, documentation, monitoring, and collaboration with systems engineers on installations and upgrades. An active Secret clearance is required, and the position is on-site at Ramstein Air Base in Germany.

Operate and troubleshoot globally distributed data center networks, resolving complex Layer 1–3 issues and escalated incidents. Monitor network performance, manage routing and switching infrastructure, document changes, and coordinate hardware and circuit repairs. Improve monitoring, automation, processes, and capacity planning while supporting major incident response. Maintain ticket, asset, inventory, and SLA documentation, collaborate with facilities and engineering teams, and serve as the primary Tier 2 escalation point for Tier 1 network operations engineers.

Designs, implements, and supports complex telecommunications transport and network infrastructure. Responsibilities include architecture, high-availability design, troubleshooting, monitoring, optimization, documentation, KPI definition, project coordination, escalation management, and technical planning. The engineer provides final design specifications, supports long-term architecture, mentors junior staff, and delivers technical direction across multiple departments. Occasional travel, shift work, and after-hours emergency support may be required.

Staff Network Engineer responsible for designing, integrating, automating, and supporting complex on-premises and multi-cloud network environments. The role leads network and cloud connectivity projects, develops infrastructure-as-code and automation, troubleshoots high-severity incidents, optimizes network performance and costs, maintains engineering documentation, and mentors network engineers. Responsibilities include routing, switching, security, load balancing, observability, capacity modeling, cloud integration, and 24x7 mission-critical support.

Network Engineer responsible for designing, deploying, supporting, and troubleshooting Cloud Relay and Wave Relay MANET networking solutions. Duties include configuring routing, switching, VPNs, security protocols, and network equipment; performing root cause analysis; developing customer solutions; supporting technical proposals; providing training and technical assistance; and collaborating with engineering and business development teams. The role requires customer interaction, cloud networking expertise, security knowledge, and at least 25% travel.

Designs, deploys, administers, and troubleshoots classified SAP LAN/WAN networks and infrastructure. Responsibilities include LAN collapse and extension, network architecture, routing, firewall configuration, security controls, performance testing, RMF support, equipment installation, and network upgrades. Collaborates with architects, cybersecurity personnel, systems administrators, and ISSOs while supporting Special Access Programs and resolving escalated network issues. The role requires extensive SAP network design experience, advanced networking expertise, and 20% travel.

Designs, implements, maintains, and secures multi-vendor DoD networks. Responsibilities include network configuration, security monitoring, vulnerability scanning with HBSS and ACAS, RMF compliance, COMSEC material tracking, security policy recommendations, system upgrades, and customer reporting. The role requires collaboration with end users and adherence to DoD security standards.

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.

Provides advanced network engineering and firewall expertise in a managed services environment. Owns complex incident resolution, root cause analysis, network project delivery, solution design, implementation, change validation, Palo Alto configuration, network hardening, legacy environment optimization, documentation, and technical mentorship. The role is remote from Brazil and requires fluent English, extensive enterprise networking experience, and deep Palo Alto Networks expertise.

Designs and architects enterprise networks supporting Intelligence Community and defense missions. Responsibilities include developing infrastructure, configuring network devices, troubleshooting complex issues, analyzing performance, improving security and reliability, modernizing systems, and advising clients on Cisco-based network solutions.