Lead Network Engineer - Public Sector

Lumen Technologies

2d • Hybrid

About The Position

Lumen is seeking a strong leadership/hands-on Network Engineer to work with public sector customers. This role involves assessing current state infrastructure and configurations, producing a target-state vision and strategy with best practice recommendations, and applying advanced engineering and network principles to solve complex problems. The engineer will drive vendor requirements, resolution of bug fixes, code upgrades, and vendor development. They will resolve difficult production/interoperability problems by working with cross-functional teams and will be regarded as a subject matter expert, potentially acting as a technical project leader. The position requires self-motivation, problem-solving capabilities, a sense of urgency, and accountability. This is a hybrid role requiring weekly on-site support.

Requirements

• Active TS/SCI with ability to sit for a Poly.
• 7+ years of experience with Juniper platforms (MX, QFX, and new-generation SRX devices).
• Strong expertise in routing protocols such as BGP, OSPF, IS-IS, and MPLS, including real-world experience with complex policy configurations.
• Experience with security and tunneling technologies, including MACsec, IPsec, GRE, and firewall zoning and policies.
• Proficiency working with fiber interfaces at 10G, 40G, and 100G, including troubleshooting transceivers, optical power levels, and port configurations.
• Advanced knowledge of the JUNOS CLI, with familiarity in network automation tools such as Ansible, Junos PyEZ, or other scripting platforms.
• Experience working with network monitoring and management tools, including SNMP, syslog, NetFlow, and centralized logging systems.
• Ability to work well with others to achieve common goals and to foster a cooperative climate, as well as to work independently in the field with little supervision.
• Ability to support after-hours outages and maintenance actions.
• Experience working independently with little supervision.
• Excellent oral and written communication skills.

Nice To Haves

• Juniper Networks Certifications: JNCIS-SEC, or higher

Responsibilities

• Install, configure, and maintain Juniper network devices, including MX, QFX, and the latest SRX Series security platforms.
• Configure and support security services on SRX devices, including zone-based policies, firewall filters, IPsec/SSL VPNs, tunneled connections, and MACsec encryption.
• Implement and troubleshoot advanced routing protocols, including BGP (with communities, route filtering, AS-path, MED), OSPF, IS-IS, and MPLS/LDP.
• Support and maintain high-speed fiber optic interfaces, including 10G, 40G, and 100G ports, with experience in LACP, optical diagnostics, and transceiver troubleshooting.
• Manage network performance, availability, and security by applying CoS/QoS, policy-based routing, and traffic shaping techniques.
• Design and support VPN tunnels and secure transport links between data centers, cloud services, and remote sites.
• Maintain detailed and accurate network documentation, including configurations, IP address management, and topology diagrams.
• Works directly with the customer to advise on requests and make necessary configuration changes.

Benefits

• Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing.
• Bonus structure (short-term incentives, long-term incentives and/or sales compensation)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed