Top Senior Network Engineer Jobs in Denver & Boulder, CO

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.

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.

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.

Designs and maintains network automation, Infrastructure as Code, configuration management, orchestration, and compliance solutions across enterprise and data center environments. Integrates networks with monitoring, CMDB, ITSM, and source-of-truth platforms; develops reusable frameworks, workflows, and libraries; mentors technical teams; supports DevOps, troubleshooting, documentation, and continuous improvement. The role also contributes to technical standards, cross-functional projects, planning sessions, site visits, and vendor engagements.

Designs and implements software-driven network automation, infrastructure-as-code, and configuration-driven workflows for hybrid-cloud customer environments. Develops Linux and network appliance automation, provisioning, secure connectivity, validation, monitoring, and sustainment processes. Applies zero-trust security, network segmentation, and access controls. Creates technical designs and documentation, improves engineering standards, conducts code and design reviews, and mentors junior and mid-level engineers.

Design, build, and maintain highly available global ground-station network infrastructure. Define WAN/LAN architecture, configure routers/switches/firewalls, implement IP addressing and VLANs, enforce network security (VPN, ACLs), perform vulnerability scanning and hardening, deploy monitoring/observability, coordinate telecom providers, document configurations/diagrams, automate health reporting, and lead cybersecurity compliance for the Quartz program.

Lead enterprise wireless engagements from discovery through design, survey, implementation, validation, optimization, and operational transition. Perform RF design and surveys using Ekahau tools, integrate WLAN with enterprise networking and security, mentor engineers, develop standards and reusable assets, and provide technical leadership and customer-facing advisory services.

Designs and plans LAN/WAN network architectures, produces specifications and schematics, selects hardware/software, troubleshoots network faults, evaluates new communication technologies, and maintains expertise in routers, switches, firewalls, load balancers. Serves as WAN subject matter expert and supports large-network expansion efforts. Requires active Top Secret clearance and full-scope polygraph.

Ensure reliability, scalability, and usability of network infrastructure for Akamai Connected Cloud. Define requirements and SLOs, build automation and CI/CD pipelines, collaborate with dev/QA to improve code and stability, troubleshoot complex network issues (on-call), and mentor teammates while driving architectural standards.

Lead design, implementation, optimization, and troubleshooting of enterprise networks and hybrid infrastructure. Apply systems engineering and cybersecurity principles, mentor junior staff, evaluate solutions, and support secure facilities and client engagements with ~15-25% travel.

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.

Design, deploy, and manage multi-cloud network and VDI infrastructure; implement VPN and Zero Trust security; monitor and tune network performance; troubleshoot connectivity; maintain documentation; train and mentor junior staff; provide on-call support and collaborate with security and engineering teams.

Technical lead to design and build an eBPF-based kernel-level internet simulation and control plane. Own XDP/TC hooks, BPF maps, topology database, and lightweight in-range agents. Mentor engineers, set architecture, and productionize a proof-of-concept for multi-tenant cyber range network simulation with realistic ASN routing and traceroute fidelity.

Design, develop, and maintain secure network and communications (COMSEC) systems. Define requirements, integrate with electrical and systems teams, perform trade studies and design reviews, troubleshoot complex network issues, ensure compliance with security standards, and produce specifications, interface control documents, and test plans.

Design and refine CNO tooling and capabilities to accelerate cyber capability development. Perform reverse engineering, exploit development, protocol analysis, code reviews, and mentor junior engineers while coordinating with operators and stakeholders to meet mission requirements.

Technical lead for an eBPF-based internet simulation platform: design kernel-space XDP/TC simulation, build control-plane topology database, architect lightweight in-range agents, enable runtime topology updates, mentor engineers, and drive architecture and operational integration for multi-tenant cyber range deployments.

The Senior Network Engineer leads complex networking projects, handles escalated incidents, provides technical guidance, and collaborates on security protocols, ensuring stability and scalability of network infrastructures.

Provide technical pre-sales support for managed network services: design solutions, produce proposals/RFP responses, deliver demos and presentations, obtain vendor certifications, collaborate with sales, product, and operations, and support client engagements through the full sales cycle.

The Network Engineer designs, implements, and supports network infrastructures, focusing on Cisco environments with VoIP and VoIP troubleshooting. Requires strong leadership and advanced networking skills.

Designs, installs, configures, secures, and sustains network infrastructure (switches, routers, firewalls) for JTAGS. Duties include network design, monitoring, troubleshooting, documentation, coordination with third-party maintenance, and occasional off-shift support and travel.

Provide Tier III O&M support for WAN/LAN networks: troubleshoot and upgrade network hardware/software, monitor performance and security, coordinate installations and cutovers, evaluate new technologies, prepare technical proposals and maintain network management records and logs.

Provide Tier III O&M support for WAN/LAN networks: troubleshoot and resolve network issues, perform upgrades, configure and test hardware and software, monitor performance and security, coordinate installations and configuration management, and support NOC operations and network architecture integration.