Sr It Systems Engineer - Pub Sec

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

The Senior IT Systems Engineer provides advanced Tier II support by troubleshooting and repairing network devices, tools, and services for a nationwide fiber optic transport network and for two geographically separated Network Operation Centers (NOC). The role is operationally responsible for all IP and network management applications associated with the IP and transport platforms, maintaining 100% availability of IP and Network Management services in the engineering and operations environment.

• Perform Transport Network Management functions in engineering and operations environments; act as a technical SME.
• Handle Tier‑2 trouble escalations for SONET, OTN, and DWDM.
• Troubleshoot and coordinate Tier‑2 Network Implementation projects; serve as technical point of contact for service provisioning, configuration, and test‑and‑turn‑up processes. Interface with Lead Engineers on network requirements and designs.
• Coordinate Tier‑2 Network deactivation and decommission of Transport SONET, OTN, DWDM transport devices.
• Write and maintain technical operational documentation and SOPs for the Transport discipline supporting the NOC.
• Develop and maintain Circuit Layout Records, Network Diagrams, and other supporting documentation. Review and provide feedback on network as‑built drawings, Engineering Development Plans, and configuration management drawings.

• Requires a Top Secret/SCI clearance.
• On‑call after‑hours/on‑call support as required.
• Expected to work in a shift environment in support of 24×7 operations.
• Up to 10% travel can be expected.
• Must have technical skills and experience in the OTN/SONET/DWDM profession.
• Operate and accomplish technical tasks with minimum guidance.
• Security+ or equivalent IAT/IAM/IASAE Level 2 of DOD 8570.1 is required.

• Bachelor’s degree or equivalent experience in an Information Technology field.
• At least 5 years of experience in a network management environment.
• Demonstrates a high level of proficiency in the OTN/SONET/DWDM profession.
• Expertise in the use of network management protocols, tools and products such as One Control, MCP, DNA, TNMS, Remedy.
• Fluent in the use of Microsoft Office tools including Outlook, Excel, Word, PowerPoint, and Visio.
• Ciena OC‑A certification is preferred.
• High level knowledge of DWDM, SONET, OTN, and TDM technology.

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary by location.

Location based pay ranges: $88,860 – $118,480 in Colorado.

Lumen offers a comprehensive package featuring a broad range of health, life, voluntary lifestyle benefits, and other perks that enhance your physical, mental, emotional, and financial wellbeing.

Requisition #: 342493

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

If you are selected for a position, a background screen may include checks for criminal records, motor vehicle reports, and/or drug screening, depending on the position requirements. Job‑related concerns identified during screening may disqualify you from the new position or current role. Background results will be evaluated on a case‑by‑case basis.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider qualified…