Sr IT Systems Engineer - PUB SEC
Lumen Technologies · San Antonio, TX
About this role
Lumen Technologies is hiring a senior-level Systems Engineer in the operations function based in San Antonio, TX. The posting calls out experience with Networking, Encryption, IAM, Embedded Systems. Compensation is listed at $91,266–$121,688 per year.
- Role
- Systems Engineer
- Function
- operations
- Level
- senior
- Track
- Individual contributor
- Location
- San Antonio, TX
- Posted
- May 13, 2026
More roles at Lumen Technologies
Job description
from Lumen Technologies careersLumen is the trusted network for AI. We’re transforming how businesses connect, secure, and scale in an AI-driven world.
By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what’s next.
At Lumen, people power progress. Our culture is built on teamwork, trust, and transparency, giving you the flexibility, support, and opportunity to make a lasting impact. We’re looking for top-tier talent ready to take on the challenge. Join us in building the future.
## The Role
The IT Systems Engineer II provides advanced Tier II support by troubleshooting and repairing network devices, tools, and services for a nationwide fiber optic transport network as well as network support for two (2) geographically separated Network Operation Centers (NOC). The IT System Engineer II is operationally responsible for all IP and network management applications associated with the IP and transport platforms and maintaining 100% availability of IP and Network Management services in engineering and operations environment.
* Requires a Top Secret/SCI clearance.
## The Main Responsibilities