Network Engineer

The Judge Group; Englewood (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

The Judge Group is seeking a highly experienced Senior Network Implementation Engineer in Colorado. The role requires 10+ years of hands-on experience designing, implementing, and optimizing large-scale enterprise and service provider networks.

You will work with routing, switching, and security technologies including BGP, OSPF, MPLS, VXLAN, EVPN, and SD-WAN, and provide leadership across projects, documentation, and vendor engagements.

Qualifications

• Bachelor’s degree or equivalent experience in CS/IT/engineering.
• 10+ years of hands-on network engineering, implementation, and operations.
• Strong expertise in enterprise and carrier-grade routing and switching.
• Experience with Cisco, Juniper, Arista, Nokia platforms.
• In-depth knowledge of: BGP, OSPF, IS-IS, EIGRP; MPLS, Layer 2/3 VPNs; VXLAN, EVPN; SD-WAN.
• Experience with network monitoring and troubleshooting tools.
• Strong analytical, problem-solving, and communication skills.
• Proven ability to author technical documentation and implementation guides.

Responsibilities

• Design, plan, implement, and support enterprise and service provider network infrastructures.
• Develop and maintain network architecture documents, high-level and low-level designs, implementation plans, and procedures.
• Demonstrate extensive knowledge across high-split, mid-split, and low-split networking environments.
• Configure, deploy, and troubleshoot routing and switching technologies including BGP, OSPF, EIGRP, MPLS, VXLAN, EVPN, and SD-WAN.
• Implement and maintain network security solutions including firewalls, IDS/IPS, VPNs, NAC, and segmentation technologies.
• Perform network assessments, capacity planning, and performance analysis to identify gaps.
• Program, configure, and optimize routers, switches, and associated devices.
• Troubleshoot complex issues across lab, staging, production, and operational networks.
• Investigate, reproduce, and resolve software defects and interoperability issues.
• Validate and test emerging technologies, software releases, and feature enhancements.
• Provide technical leadership, mentorship to junior engineers and cross-functional teams.
• Collaborate with vendors, operations teams, architects, and stakeholders on network transformation initiatives.
• Support migrations, hardware refreshes, software upgrades, and data center modernization.
• Drive continuous improvement and proactively evaluate new networking technologies to support business objectives.

Skills

Routing & Switching

Network Design

Troubleshooting

Documentation

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or related field

Tools

Cisco

Juniper

Arista

Nokia

BGP

MPLS

VXLAN

EVPN

SD-WAN

Job description

We are seeking a highly experienced Senior Network Implementation Engineer with 10+ years of expertise in designing, implementing, optimizing, and supporting large-scale enterprise and service provider network infrastructures. The ideal candidate will possess strong hands-on experience in routing, switching, network security, and advanced network technologies, with proven expertise in high-split, mid-split, and low-split implementation environments.

This role requires deep technical proficiency, strong troubleshooting capabilities, and the ability to develop network architecture, implementation strategies, and technical documentation while serving as a subject matter expert for complex network projects.

Key Responsibilities

• Design, plan, implement, and support enterprise and service provider network infrastructures.
• Develop and maintain network architecture documents, high-level designs (HLD), low-level designs (LLD), implementation plans, and operational procedures.
• Demonstrate extensive knowledge and hands-on implementation experience across high-split, mid-split, and low-split networking environments.
• Configure, deploy, and troubleshoot routing and switching technologies including BGP, OSPF, EIGRP, MPLS, VXLAN, EVPN, and SD-WAN.
• Implement and maintain network security solutions including firewalls, IDS/IPS, VPNs, NAC, and segmentation technologies.
• Perform network assessments, capacity planning, and performance analysis to identify gaps and recommend infrastructure improvements.
• Program, configure, and optimize routers, switches, and associated network devices.
• Troubleshoot complex issues across laboratory, staging, production, and operational network environments.
• Investigate, reproduce, and resolve software defects, bugs, and interoperability issues.
• Validate and test emerging technologies, software releases, and feature enhancements before production deployment.
• Provide technical leadership, mentorship, and guidance to junior engineers and cross-functional teams.
• Collaborate with vendors, operations teams, architects, and stakeholders to deliver network transformation initiatives.
• Support network migrations, hardware refreshes, software upgrades, and data center modernization projects.
• Drive continuous improvement initiatives and proactively evaluate new networking technologies to support business objectives.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field (or equivalent experience).
• 10+ years of hands-on experience in network engineering, implementation, and operations.
• Strong expertise in enterprise and carrier-grade routing and switching technologies.
• Extensive experience with Cisco, Juniper, Arista, Nokia, or similar networking platforms.
• In-depth knowledge of:
• BGP, OSPF, IS-IS, EIGRP
• MPLS, Layer 2/Layer 3 VPNs
• VXLAN, EVPN, Data Center Networking
• SD-WAN technologies
• TCP/IP, DNS, DHCP
• Network Security and Segmentation
• Experience with network monitoring and troubleshooting tools.
• Strong analytical, problem-solving, and communication skills.
• Proven experience authoring highly technical documentation and implementation guides.

Preferred Qualifications

• CCIE, CCNP, JNCIP, JNCIE, or equivalent industry certifications.
• Experience with network automation tools such as Python, Ansible, Terraform, or REST APIs.
• Exposure to cloud networking platforms including AWS, Azure, or Google Cloud.
• Experience working in large-scale enterprise, telecom, managed services, or data center environments.