Senior Network Engineer

Senior Network Engineer - Littleton, Colorado 
The Select Group is hiring a Senior Network Engineer to join our team in Littleton, Colorado. As a senior technical member of the team, you’ll serve as a subject matter expert for BGP, MPLS, Segment Routing, EVPN, and dark-fiber transport across our multi–100G backbone network. You’ll be responsible for high-level design decisions, mentoring other engineers, and driving automation and standardization initiatives that improve network reliability, scalability, and performance.

Must Have Skills:
 

• 5–8 years of progressive experience in network engineering, architecture, or service provider environments
• Deep expertise in routing and switching protocols (BGP, OSPF, MPLS, Segment Routing, EVPN, ISIS)
• Strong hands-on experience with Cisco carrier-grade platforms
• Proven experience with network automation and orchestration tools (Python, Ansible, REST APIs, Netconf/YANG)
• Thorough understanding of transport and optical technologies (DWDM, dark fiber, 100G+ Ethernet)
• Demonstrated ability to lead projects from design through deployment, with minimal supervision

• Excellent communication and documentation skills, including presenting technical concepts to leadership

 
Nice to Have Skills:
Experience designing or operating large-scale 5G, LTE, or wireless transport networks
 
Education/Certification Requirements:
Bachelor’s degree in Computer Science, Electrical Engineering, or related field, or equivalent practical experience
 
Day to day responsibilities:

• Lead the design and deployment of high-performance routing and transport infrastructure supporting a’ nationwide 5G network
• Develop and enforce network standards, policies, and automation frameworks to ensure consistency and scalability
• Serve as an escalation point for complex BGP/MPLS/Segment Routing/EVPN troubleshooting and performance optimization
• Partner with architecture and planning teams to evaluate and integrate new technologies into production
• Oversee the activation, migration, and optimization of network devices across multiple regions and vendors
• Drive automation and telemetry initiatives, including tool development and integration with network management systems
• Provide technical guidance and mentorship to mid-level network engineers and cross-functional partners
• Collaborate with vendors to influence product roadmaps, resolve escalations, and validate new features through lab testing
• Contribute to capacity planning, performance analysis, and future growth strategies for the 5G transport network

TSG is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
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