Top Network Engineer Jobs in Denver & Boulder, CO

Paid, full-time electrical engineering internship supporting customer-premises equipment certification, hardware lab development, and field issue investigations. Responsibilities include auditing vendor tests, conducting electrical and RF measurements, performing hardware teardowns, testing SNE power consumption, validating lab equipment, developing procedures, and documenting root-cause findings for networking hardware such as WiFi, DOCSIS, fiber, power supply, and battery backup devices.

Deploys and operates classified terrestrial and cloud networks across on-premise, AWS GovCloud, and IL-6+ environments. Responsibilities include routing, switching, boundary protection, segmentation, encrypted communications, STIG implementation, RMF/ATO support, network documentation, and troubleshooting. The role also configures NSA Type 1 cryptographic devices, manages KEYMAT and CCI documentation, and collaborates with security, cloud, and engineering teams. An active Secret clearance and ability to obtain TS/SCI are required, with occasional travel to government and classified facilities.

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.

Paid 11-week internship supporting Edge of Network engineering. Responsibilities include testing, documenting, certifying, and transitioning code for edge devices, plus building, maintaining, and upgrading automation systems. Interns also participate in professional development, mentoring, networking, and cross-functional activities.

Supports core and backbone network reliability through lab setup, hardware and software validation, test-plan execution, results documentation, and root-cause analysis. Helps improve network deployment standards, runbooks, lab guides, topology diagrams, and troubleshooting documentation. Collaborates with deployment teams and technical partners on rollout planning, testing coordination, and innovation initiatives. Participates in professional development, mentorship, networking, and cross-functional internship activities.

Paid, full-time 11-week internship supporting data center network design and automation. The intern will work with principal network engineers on network architecture challenges, infrastructure-as-code initiatives, and AI-driven automation for data center networking. The role also includes mentorship, professional development, networking, community service, cross-functional projects, and final presentations.

Provide Tier II network engineering and configuration management support for enterprise LAN/WAN environments across multiple classifications. Tasks include installation and maintenance of network devices, maintaining configuration baselines per DISA STIG, drafting and executing change requests, troubleshooting L1-L3 issues, producing network diagrams and documentation, supporting the Configuration Control Board, and administering CM records and tools (ServiceNow, Confluence, Visio).

Provides enterprise technical leadership for cloud and network modernization across DoD environments. Engineers multi-cloud integrations, secure connectivity, cloud access points, routing and switching, data center technologies, F5 ADC solutions, and Zero Trust architectures. Leads migration planning, compliance with DoD security frameworks, Tier 3/4 troubleshooting, technical documentation, executive recommendations, and cross-disciplinary initiatives. The hybrid role supports DLA and requires periodic onsite work for NIPR/SIPR operations.

Designs, implements, supports, and optimizes high-availability telecommunications network infrastructure, including IP/MPLS, carrier Ethernet, cellular data, and video transmission systems. Responsibilities include capacity planning, bandwidth forecasting, outage troubleshooting, monitoring, documentation, project coordination, escalation management, and network security. The role also provides technical direction to junior engineers and technicians, supports small projects, and contributes to strategic infrastructure planning and continuous improvement.

Manage, troubleshoot, and support enterprise network and voice infrastructure (LAN/WAN/WLAN/SD‑WAN, IP telephony, SBCs). Implement and maintain routers, switches, firewalls, VPNs; perform root cause analysis, on‑call escalation, vendor coordination, projects, documentation, and ensure security and change‑control compliance.

Support C2BMC network security by planning, deploying, integrating, and testing network upgrades; develop cyber-secure device configurations, ensure STIG hardening and DoD RMF compliance, conduct research, document designs, run cyber protocols, and assist during operational events.

Own and operate low-latency network infrastructure for trading systems, including colocation connectivity, exchange feeds, L2/L3 topology, BGP and OSPF routing, PTP synchronization, firewall policies, automation, packet analysis, documentation, and incident response. The role involves designing infrastructure from scratch, managing vendors, building Python tooling, and participating in on-call support within a small network engineering team.

Design, implement, and maintain low-latency exchange network infrastructure. Configure network devices using Ansible and Python, monitor alerts, resolve incidents, perform root-cause analysis, support customer connectivity and turn-ups, validate products, engineer secure solutions, and coordinate with data center and circuit providers.

Designs, implements, and maintains cloud and on‑prem network infrastructure with IaC (Terraform/CloudFormation/Ansible), supports AWS environments, builds CI/CD pipelines, authors technical documentation, troubleshoots escalations, and collaborates with Cloud Architects and product teams in a remote Agile environment.

Delivers post-sales network engineering services, including requirements assessment, solution design, equipment staging, configuration, testing, deployment, documentation, and client coordination. Manages complex data center networking environments involving routers, switches, firewalls, load balancing, DMZs, DDI, routing protocols, and modern switching architectures. Collaborates with clients, vendors, Smart Hands, project managers, and internal teams to meet service-level objectives, resolve issues, improve deployment processes, and enhance service delivery.

Designs, implements, and supports complex high-availability telecommunications network infrastructure. Leads architecture and long-term planning, optimizes performance and scalability, manages escalations, defines operational KPIs, and maintains documentation and diagrams. Serves as project engineer and subject-matter expert for major initiatives, coordinating across departments and engineering disciplines. Provides technical leadership, mentors junior engineers and technicians, and ensures reliable, secure integration of network services within demanding operational environments.

The Network Engineer III role involves supporting WAN, LAN, and CAN networks, troubleshooting, evaluating network performance, and implementing network solutions while ensuring compliance and managing security processes.

The Network Engineer plans, tests, documents, and implements network hardware, software, configuration, routing, and interoperability changes across DLA WAN, DISN, cloud, core, and remote networks. Responsibilities include developing implementation and assessment plans, conducting laboratory evaluations, creating network designs and maps, preparing test and after-action reports, defining requirements, analyzing telecommunications needs, supporting network services, and recommending routing and configuration improvements. The role requires hybrid onsite work and SIPR-related support.

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.

Build and expand Cloudflare's global datacenter network: coordinate installations, manage hardware and contractors, implement consistent processes, perform Linux administration, use configuration management and scripting, and collaborate with SRE and Network Engineering to improve operations and automation.

Monitor and maintain enterprise network infrastructure in a Tier 1 Network Operations Center. Investigate and resolve alerts, incidents, and service interruptions; provide network support; document troubleshooting and resolutions; escalate complex issues; implement approved changes; and coordinate with engineering, IT operations, field services, and vendors. The role operates in a fast-paced 24/7 environment with a strong focus on reliability, customer experience, and technical growth.

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.

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.

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.

Support and maintain enterprise network infrastructure; act as first escalation for Network Administrators; configure and troubleshoot switches, routers, firewalls, and wireless controllers; participate in project implementations, documentation, rotating on-call support, and occasional on-site travel.