Senior Field Engineer - MV Switchgear & UPS (Critical Power)

Liberty Personnel Services, Inc.

Chattanooga (TN)

On-site

USD 90,000 - 130,000

Full time

14 days+

Application generator

Stand out for this role — generate a tailored resume and cover letter in about a minute.

Get past ATS filters

Job summary

Liberty Personnel Services, Inc. is seeking an experienced Lead Medium Voltage Switchgear & UPS Field Engineer to lead commissioning, startup, testing, and maintenance of critical power systems at customer sites.

The role requires a strong background in MV electrical power systems (1kV+), switchgear, UPS, and related equipment. The Lead Field Engineer will lead testing, commissioning, and field activities, coordinating with customers and internal teams, mentoring field staff, and ensuring safety

Qualifications

3+ years of electrical field service, commissioning, testing or maintenance experience preferred.
Significant hands-on experience with medium-voltage electrical systems rated 1kV+; 5kV–35kV experience strongly preferred.
Demonstrated experience with medium-voltage switchgear, circuit breakers, protective relays, transformers, and electrical distribution systems.
Strong experience with UPS systems and critical-power equipment, including batteries, PDUs, STS, and related power electronics.
Ability to independently troubleshoot complex electrical and power-system issues.
Experience performing electrical testing using diagnostic and commissioning equipment.
Strong understanding of electrical schematics, one-line diagrams, wiring diagrams, control circuits, and equipment specifications.
Experience leading or overseeing commissioning and startup activities.
Knowledge of NEC/NFPA 70 and NFPA 70E;
Military experience in electrical/power-generation is valued.

Responsibilities

Serve as the senior technical authority during complex field assignments.
Lead and mentor junior engineers and technicians.
Establish testing and troubleshooting approaches for challenging electrical systems.
Review field documentation and test results for accuracy and completeness.
Interface confidently with customers, contractors, OEM reps, and engineering teams.
Identify potential risks before they affect schedules, equipment reliability, or operations.
Promote a culture of electrical safety, quality, accountability, and technical excellence.
Work from a home-based position with national travel as needed.
Support after-hours emergencies and on-call requests.
Work in data centers, healthcare, industrial facilities, and other mission-critical environments.