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Lumen

Sr IT Systems Engineer - PUB SEC

$121.7k/yr

Location:
San Antonio, TX
Opened:
Wednesday, May 13, 2026
  • Full-time

Required Qualifications

* On-call after hours/on-call support as required. * Expected to work in a shift environment in support of 24x7 operations. * Up to 15% travel can be expected due to possible deployments to lab facilities and other NOC locations. * Able to operate and accomplish technical task with minimum guidance. * Proficient knowledge of common network architectures for routing, switching, and security technologies is required. * Requires fluent understanding of Layers 1/2/3 inter-dependences and IP proficiency. * Simple Network Management Protocol (SNMP) is required. * Requires a Top Secret/SCI clearance. * Security+ or equivalent IAT/IAM/IASAE Level 2 of DOD 8570.1 is required.

Preferred * Bachelor's degree or equivalent experience in an Information Technology field. * At least 7 years of experience in a network management environment. * Demonstrates a high-level of proficiency in IP technical discipline. * Expertise in the uses of network management protocols, tools and products, including but not limited to SolarWinds, Cisco Identity Services Engine, Cisco Access Control Server, EIQ SecureVue, Neuralstar. * Working knowledge for layer 2, 3, and 4 data networking. * JNCIA or CCNA is preferred * Firm knowledge of the HAIPE and other encryption devices (KG-175G/D and KIV-7M) * Some knowledge and experience with optical transport technology is preferred.

For the complete posting on Lumen's careers site, use the link below.

Company careers page: https://careers.lumen.com/careers