Network Engineer

• Support network build out and deployments to the C2BMC Test Facility for the Missile Defense Agency on the IRES contract
• Manage troubleshooting and configuration of VMware
• Work on complex assignments with minimal supervision
• Provide root-cause analysis for recurring or critical problems
• Collaborate with system administrators, network engineers, and cybersecurity administrators
• Perform vulnerability remediation and mitigate cybersecurity risks
• Conduct daily system monitoring, backup, and upgrades
• Document system changes and actions
• Advise Government customer on system status and optimization
• Assist with the deployment of new virtual machines
• Administer and troubleshoot virtualization environments
• Perform patching and system audit log reviews

Network Virtualization Engineer/Administrator

• Interpret customer requirements and apply standard design approaches for service delivery.
• Fully document designs with diagrams, bill of materials, cabling sheets, configurations, and other supporting documents.
• Use our private test lab to evaluate new technologies and capabilities, test proposed changes to production networks, and recreate troubleshooting scenarios to support the production enterprise network.
• Schedule maintenance windows for migrating user connections from legacy to the modern infrastructure transition services with little to no impact on critical data flows.
• Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution.
• Solve tough problems with innovative and scalable solutions.
• Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies.
• Obtain Authority to Operate (ATO) for new devices, software, and capabilities.
• Supervise (not manage) other network support specialists to plan, coordinate, and implement network services.
• Develop and improve design products, processes, and systems for our team to work efficiently and effectively.

Architecture Engineer, Network Engineer II – Government

• Serve as the primary Network Engineer supporting the C2BMC X-Lab Test Program
• Serve as a Network Engineer and Developer supporting network build out and deployments to the operational environment as necessary
• Work with the X-Lab Events Team to understand the test schedule and support all upcoming tests

Network Engineer, E4

• Provide technical support on network and cabling issues
• Support the LAN and WAN infrastructure, remote sites and data centers
• Troubleshoot network and cabling problems and coordinate with various department administrators
• Participate in lab configuration and testing of new technologies
• Prepare network topology diagrams, write Standard Operating Procedures, maintenance plans and provide status reports as required
• Participate in data calls and other operational and maintenance tasks

Senior Network Engineer

• As a Network Administrator, you are responsible for the design, implementation, maintenance, and support of enterprise network infrastructure and security systems.
• This role equally emphasizes network engineering and network security, ensuring the performance, reliability, and protection of the organization’s wired and wireless environments.
• The position combines hands-on expertise in routing, switching, and wireless technologies with the deployment and management of firewalls, security policies, and threat mitigation controls.
• Designing and deploying network infrastructure, including routers, switches, firewalls, and other network devices.
• Monitor network and security performance; proactively identify, troubleshoot, and resolve issues
• Implement and maintain security controls such as segmentation, ACLs, zero trust principles, and policy enforcement
• Diagnosing and resolving network problems, including hardware, software, and connectivity issues.
• Develop and maintain network and security documentation including diagrams, standards, and procedures
• Forecasting network growth and capacity requirements.
• Coordinating with network equipment vendors for support and maintenance.
• All other duties as assigned.

Network Administrator

• Designing and scaling high-availability service provider or enterprise-grade networks
• Leading the transition to next-generation network architectures, including Segment Routing
• Optimizing core routing protocols including: OSPF, ISIS, BGP to improve overall network performance and stability
• Architecting and maintaining MPLS-based services, including: RSVP-TE, LDP
• Serving as the final escalation point during critical, large-scale network outages
• Mentoring both junior and senior engineers to raise the team’s collective technical expertise
• Driving automation initiatives to reduce manual configuration efforts and minimize human error
• Performing additional duties as assigned

Principal Engineer, Core Network

• Monitor, maintain, and support enterprise network infrastructure, including LAN, WAN, WLAN, SD‑WAN, and data center networking.
• Provide advanced support for voice systems, including IP telephony, call routing, SBC administration, and VoIP troubleshooting.
• Configure and maintain routers, switches, firewalls, load balancers, and related technologies.
• Troubleshoot complex network and voice issues; perform root‑cause analysis and implement long‑term fixes.
• Participate in on‑call rotation and respond to escalated incidents.
• Work with carriers, vendors, and internal teams to resolve service issues and manage upgrades.
• Assist in network and voice infrastructure projects, including new deployments, migrations, and system modernization.
• Ensure compliance with security standards, best practices, and change‑control procedures.
• Maintain accurate documentation of network diagrams, configurations, and support procedures.
• Recommend improvements to performance, scalability, and reliability of network/voice services.

Voice Network Engineer II

• Manage daily maintenance and support of network and security devices
• Work with Information Technology teams to engineer and deploy network solutions
• Manage and support VPN technologies
• Design and refine functions within the information security framework
• Provide guidance for certain network and information security functions
• Collaborate with delivery teams to design and implement secure network solutions
• Mentor junior team members
• Assist in information security awareness and training activities

Network Analyst III

• Manage, configure, and maintain campus-wide routing, core, access, server, and storage network infrastructure, supporting both core and backbone networks.
• Implement and optimize protocols such as OSPF, BGP, EIGRP, HSRP, VRRP, and LACP.
• Oversee network connectivity and ensure high performance and reliability across all locations.
• Administer and maintain integrated core network services: DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), IP Address Management (IPAM), and network authentication systems including RADIUS services.
• Monitor and optimize DDI and RADIUS systems to ensure reliable, secure, and high-performance network operations.
• Perform software updates and lifecycle management for networking hardware and software.
• Automate network tasks using scripting languages and platforms such as Ansible.
• Implement and manage network monitoring tools to collect, analyze, and report on network statistics and performance metrics.
• Diagram network architectures and document configurations.
• Collaborate with IT teams and campus stakeholders to deliver technical solutions; communicate effectively with technical and non-technical colleagues.

• Design and develop network architectures
• Perform network hardware and software integration and testing
• Document designs using detailed schematics, diagrams and specifications
• Trade studies, documenting subsystem architectures, analyzing performance

Network Engineer 3/4 – Top Secret

• Interface with Network Evolving Architecture teams to help lead technical direction for backbone and CRAN evolution, including development of scalable routing architectures (ISIS, BGP, LDP, RSVP TE/Segment Routing), optical transport integration (CDC ROADM, coherent optics, OTN), and the adoption of new IP, MPLS, and Ethernet standards across the Transport and IP layers.
• Responsibilities include defining and validating architectural roadmaps, leading lab and field trials, and driving beta and launch cycles for integrated voice, video, and data platforms across the converged IP network.
• Support Comcast’s global peering ecosystem and ensure seamless connectivity between Converged Regional Area Networks (CRANs) and the broader internet.
• Help drive continuous network evolution through automation, reliability engineering, and high velocity innovation.

Senior Network Engineer – Core IP Engineering

• Cloud Networking: Design, implement, and manage cloud networking solutions in AWS and Microsoft Azure.
• Configure and maintain VPCs/VNets, subnets, route tables, gateways, and load balancers.
• Establish and manage hybrid connectivity (VPN, ExpressRoute, Direct Connect).
• Implement network security controls including NSGs, security groups, and cloud-native firewalls.
• Monitor, troubleshoot, and optimize cloud network performance and availability.
• Collaborate with application and cloud teams to support scalable and resilient architectures.
• Network & Security: Design, deploy, and manage enterprise network infrastructure: WAN, LAN, WLAN environments.
• Hands-on experience with Cisco networking technologies, Meraki solutions, Palo Alto firewalls.
• Implement network security best practices including segmentation, firewall policies, and secure access.
• Troubleshoot complex network and security issues.
• Network Automation: Develop and maintain basic automation scripts for network provisioning and monitoring.
• Use tools such as Python, Ansible, or similar for task automation.
• Contribute to improving operational efficiency through automation.
• Tools & Monitoring: Work with monitoring and analytics tools such as ThousandEyes, Splunk.
• Manage identity and access control using Cisco ISE.
• Proactively monitor network performance and troubleshoot issues.

• Design and deploy Cisco network infrastructure (routers, switches, and firewalls) across multiple renewable energy sites
• Configure and maintain Cisco Firepower/FTD firewalls and Cisco SD-WAN architecture
• Build and monitor IPsec/GRE tunnels between data centers, substations, and field devices
• Ensure high availability and redundancy across primary and secondary data centers
• Manage site connectivity including private circuits, LTE failover, and remote access solutions
• Support SCADA network integration and ensure proper segmentation between IT and OT networks
• Coordinate with vendors for network commissioning, circuit turn-up, and troubleshooting
• Implement network monitoring, logging, and alerting for uptime and security
• Assist in cybersecurity compliance activities (e.g., NERC CIP or company internal policies)
• Support controlled change management processes and scheduled maintenance windows
• Maintain accurate network documentation, IP address plans, and device inventory
• Participate in infrastructure and compliance-related projects (e.g., network upgrades, site expansions, datacenter migrations)
• Communicate clearly with technical and non-technical stakeholders

OT Network Engineer

• Support network implementation, monitoring, and maintenance activities.
• Configure routers, switches, firewalls, and transport devices.
• Assist with troubleshooting network incidents and outages.
• Support cybersecurity compliance and patch management.
• Maintain network documentation and engineering artifacts.
• Support integration of terrestrial, SATCOM, tactical, and cloud-based networking capabilities.
• Conduct network architecture assessments and modernization planning.
• Support cybersecurity implementation and network hardening activities.
• Develop network diagrams, engineering documentation, and implementation plans.
• Troubleshoot complex network and transport issues.
• Support lab integration, test activities, and operational transition efforts.
• Coordinate with Government engineers, cyber teams, and mission partners.

• Oversee all aspects of the incident management process, from evaluation to resolution.
• Manage technical support teams, create procedures to deal with problems and develop solutions.
• Analysis and reporting of incident trend data to identify and eliminate root causes.
• Initiating actions to fix potential interruptions to service.
• Production of statistics and reports to demonstrate performance of the Incident and Problem Management process.
• Record and classify received Incidents and undertake an immediate effort in order to restore a failed IT Service as quickly as possible.
• Keep Incident tickets updated with a current status at agreed intervals.
• Monitor the Incidents and manage workload in their respective queues to ensure that Service Level Agreement and Operational Level Agreement are respected.

Incident Management, Network Engineer II

• Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systems
• Design, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructure
• Determine network bandwidth needs and recommend measures to meet those requirements
• Design, recommend and implement new solutions to improve the resilience of network operations
• Conduct network modeling and analysis to construct a reliable, high-performance integrated network
• Monitor network performance and troubleshoot problems and outages
• Schedule updates and upgrades
• Collaborate with network architects to optimize system performance
• Engage in data network fault investigations
• Secure network systems with policies that define and monitor access
• Configure DNS servers and appliances

Network Engineer jobs in Colorado

See all jobs on JobTailor

Network Virtualization Engineer/Administrator

Architecture Engineer, Network Engineer II – Government

Network Engineer, E4

Senior Network Engineer

Network Administrator

Principal Engineer, Core Network

Voice Network Engineer II

Network Analyst III

Senior Network Engineer

Network Engineer 3/4 – Top Secret

Senior Network Engineer – Core IP Engineering

Senior Network Engineer

OT Network Engineer

Network Engineer

Incident Management, Network Engineer II

Network Engineer Expert – TS/SCI with Polygraph