Senior Field Service Technician

Mission Critical Group; United States; On-site; USD 34,440 - 48,216; Full time

Job summary

Mission Critical Group (MCG) is seeking a Field Service Technician to install, maintain, troubleshoot, and repair UPS and power systems at client sites across the United States. This role involves 70% travel and requires independence and strong safety focus.

You will be the on-site technical expert, building client relationships and ensuring critical power equipment runs reliably. Requirements include 4+ years in UPS/power equipment, a high school diploma or GED, and a valid driver's license.

Qualifications

• 4+ years working with UPS, generators, MV/LV switchgear, or similar power equipment.
• Industry background in datacenters, power generation, utilities, oil & gas, or energy sectors.
• Driver's license with clean driving record.
• Strong customer interaction and reporting skills.

Responsibilities

• Lead field activities and manage installation, calibration, maintenance, and emergency repairs on UPS and MV/LV equipment.
• Troubleshoot breakers, switches, wiring, and control panels; perform root-cause analysis on complex electrical failures.
• Coordinate with Logistics, Engineering, Production, and Sales for service estimates and parts.
• Mentor junior technicians and contribute to continuous improvement initiatives.
• On-site startup or commissioning of company equipment; conduct IST and ensure standards compliance.
• Provide on-site technical expertise and build long-term client relationships.

Skills

UPS systems experience

Customer communication

Safety compliance

MS Office

Driver's License

Education

High school diploma or GED

Technical diploma in Industrial Electrical

Tools

Multimeters

Hand tools

Wiring equipment

Soldering

Job description

Mission Critical Group (MCG) is an end-to-end power solutions and services provider that accelerates time-to-power and delivers scalable, resilient infrastructure for mission critical environments. By integrating engineering, manufacturing, modular deployment, and lifecycle services under one platform, we streamline execution and bring complex projects online faster – without compromising performance. With more than 1.5 million square feet of U.S. manufacturing capacity, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial facilities where uptime is non‑negotiable. Mission Critical Group designs, manufactures and provides value‑added services for customers requiring critical power solutions, powering a new electric world for a brighter, more secure future.

Job Description

A Field Service Technician performs installation, maintenance, troubleshooting, and emergency repair of UPS, LV & MV power systems at client sites throughout the US. This role requires 70% travel and operates with a high degree of independence. The ideal candidate combines strong UPS & electrical systems experience with excellent customer communication skills and a commitment to safety. You will serve as the on‑site technical expert, building client relationships while keeping critical power equipment running reliably.

Location

Our location preferences are Oklahoma City, North Carolina, Georgia, West Texas region, Southern Oregon (or fully remote with travel 70‑80%).

Accountability

• Leads jobs and manages field activities
• Perform installation, calibration, preventative maintenance, and emergency repairs on UPS and MV/LV Power distribution equipment
• Troubleshoot and repair breakers, shutdown switches, wiring harnesses, alternators, UPS, battery systems, and control panels, and control wiring
• Conduct root cause analysis on complex electrical failures
• Work with Modular Enclosures and Power Skid systems and perform field surveys
• Serve as the on‑site technical expert answering questions, educating clients on maintenance best practices, and building long‑term relationships
• Communicate clearly with customers about issues, solutions, and timelines
• Review electrical plans and designs to confirm technical accuracy and identify any potential discrepancies or risks to the project.
• Supervise onsite startup and/or commissioning of company supplied equipment.
• Plan, conduct and document onsite Integrated Systems Testing (IST) for company supplied equipment.
• Ensure all installations meet applicable standards.
• Assist Logistics with timing of all equipment testing
• Partner with Engineering, Production, and Sales teams on service estimates and parts recommendations
• Mentor junior technicians as you develop leadership skills
• Contribute to continuous improvement initiatives
• Provide emergency support when critical systems go down (rotating on‑call schedule)
• Perform other duties as assigned.

Qualifications

Required Knowledge/Experience

• 4+ years working with UPS, generators, governors, regulators, MV/LV switchgear, or similar power equipment
• Industry Background: Datacenters, power generation, utilities, oil & gas, marine, or energy sectors
• UPS & Power Distribution equipment
• Tools: Proficient with multimeters, hand tools, wiring equipment, and soldering
• Software: Comfortable with Microsoft Office for documentation and reporting
• Driver's License: Valid license with clean driving record (required for travel)
• Strong customer interaction and reporting skills

Preferred

• Technical diploma in Industrial Electrical, Maintenance, or related field
• UPS experience (Delta Electronics, Schneider Electric, Eaton, Vertiv or similar)
• Electrical Distribution experience (Schneider Electric, Eaton, ABB, or similar)

Education

• High school diploma or GED required.

Performance Metrics

• Attendance & Punctuality: Maintain 97% attendance rate with minimal tardiness.
• Teamwork & Communication: Receive positive feedback from team leaders or operators on responsiveness and attitude.
• Continuous Improvement Participation: Actively contribute at least one improvement idea per quarter.
• Safety Compliance: Zero safety violations or incidents; full adherence to PPE and safety protocol.

Work Environment and Physical Demands

• FLSA non‑exempt position is paid on an hourly basis, where project requirements and tight client deadlines may require workweeks over forty (40) hours (including weekends or holidays)
• This role will be in a production setting and/or construction project site.
• Mobility: Ability to move around the manufacturing plant and/or construction project site including walking, standing, and climbing stairs.
• Manual Dexterity: use of hands to handle or feel objects, tools, or controls.
• Lifting: Ability to lift and carry items up to fifty (50) pounds. All lifting should be done following OSHA standards.
• Visual and Auditory Requirements: Must be able to see and hear well enough to navigate the plant and/or construction project site safely and communicate effectively with team members.

MCG is an equal opportunity employer prohibiting discrimination based on race, color, creed, religion, sex, marital status, physical or mental disability, and any other protected classes stated by applicable federal and state laws. MCG is committed to providing equal employment opportunities to qualified individuals with disabilities and to act in accordance with regulations and guidance issued by the Equal Employment Opportunity Commission (EEOC).