Field Ops Engineer II - Critical Infra & 24/7 Support

Lumen; Cincinnati (OH); On-site; USD 68,000 - 90,000; Full time

Job summary

Lumen is a trusted network for the AI‑powered world, delivering secure, high‑performance connectivity for enterprises, governments, and communities. This role provides 24x7x365 Tier II technical support for critical infrastructure systems and serves as an escalation point for field operations in a demanding environment.

With 5+ years of related experience or 7+ years without a degree, you will help maintain site readiness, support DR/BCP efforts, guide maintenance programs, and lead

Qualifications

• Experience supporting critical infrastructure, electrical and electronic systems, power distribution, UPS, generators, HVAC, and facility operations.

Responsibilities

• Provide Tier II technical support and troubleshooting for critical infrastructure systems including AC power distribution, generators, ATS, UPS systems and battery strings, DC power plants and batteries, PDUs, STS, grounding, fire systems, HVAC equipment, CRAC units, chillers, dry coolers, condensers, pumps, buildings, and structural systems.
• Support field technicians and management in stabilizing emergencies, resolving complex technical issues, and reducing dependence on external vendors.
• Maintain core site readiness by identifying, documenting, prioritizing, and escalating infrastructure deficiencies, risks, and jeopardy situations for remediation.
• Identify critical infrastructure requiring replacement and support planning, approval, and replacement processes.
• Serve as a SME for task forces, cross-functional projects, and technical initiatives, providing recommendations and solutions to operational challenges.
• Provide onsite and remote disaster recovery support for facilities and critical infrastructure equipment.
• Assist with preventive maintenance programs, maintenance scheduling, and infrastructure lifecycle planning.
• Ensure Business Continuity Planning (BCP) infrastructure information remains accurate for sites within the assigned Area of Responsibility (AOR).
• Conduct capacity management assessments and support infrastructure planning for core sites.
• Deliver PMI and technical troubleshooting training to field technicians.
• Lead and coordinate vendors, contractors, and technical teams on projects and complex assignments.
• Support repair and replacement activities, ensuring compliance with approval and engineering review processes.
• Travel as required, including short‑notice travel, to support emergency situations and critical site operations.

Skills

Critical infrastructure experience

Electrical & electronic systems

Power distribution

UPS & generators

HVAC systems

Facility operations

Education

Electrical Engineering degree

Mechanical Engineering degree

Electronics degree

Job description

Lumen is a trusted network for the AI‑powered world, delivering secure, high‑performance connectivity for enterprises, governments, and communities. This role provides 24x7x365 Tier II technical support for critical infrastructure systems and serves as an escalation point for field operations in a demanding environment.

With 5+ years of related experience or 7+ years without a degree, you will help maintain site readiness, support DR/BCP efforts, guide maintenance programs, and lead