Field Service Engineer UPS - Data Center Solutions

Delta Energy Systems; Hemel Hempstead; On-site; GBP 40,000 - 60,000; Full time

Job summary

Delta seeks a Field Service Engineer for UPS/Data Center Solutions to perform on-site diagnostics, repair, and maintenance of UPS and data-center power systems. You will lead commissioning and testing, provide escalated support, and develop training materials for engineers and customers.

The role requires an Electrical Engineering degree, 3+ years in UPS/power electronics, strong electrical knowledge, and excellent English communication. Travel across EMEA is expected.

Qualifications

• Requires a degree in Electrical Engineering or similar.
• Minimum 3 years’ experience with UPS or power-electronics systems.
• Strong understanding of electrical systems and power infrastructure.
• Excellent written and verbal communication skills.
• Fluent in English; additional languages are beneficial.
• Willingness to travel across Europe, the Middle East, and Africa (EMEA).

Responsibilities

• Perform on-site diagnostics, troubleshooting, repair, and maintenance of UPS and data-center power products.
• Lead complex service activities including commissioning, startup, testing, and installation verification.
• Provide escalated technical support for critical incidents.
• Conduct root-cause analysis and feed insights back to engineering and product teams.
• Deliver technical training programs to field engineers, partners, and customers.
• Develop training materials, troubleshooting guides, and best-practice procedures.
• Serve as a subject-matter expert for DCS products.
• Create and maintain service-related technical documentation.
• Define scope of work for installation, commissioning, and maintenance.

Skills

Electrical power systems

SCADA/BMS familiarity

Communication skills

English fluency

Travel willingness

Problem solving

Education

Electrical Engineering degree

Job description

Field Service Engineer UPS - Data Center Solutions

• Full-time

Delta, founded in 1971, and listed on the Taiwan Stock Exchange (code:2308), is a global leader in switching power supplies and thermal management products with a thriving portfolio of IoT-based smart energy‑saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world‑class corporate citizen guided by its mission statement, “To provide innovative, clean and energy‑efficient solutions for a better tomorrow,” Delta leverages its core competence in high‑efficiency power electronics and its ESG‑embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across 5 continents.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies and dedication to ESG. Since 2011, Delta has been listed on the Dow Jones Best‑in‑Class World Index (formerly the DJSI World Index of Dow Jones Sustainability™ Indices) for 14 consecutive years. Delta has also won CDP with double A List for 4 times for its substantial contribution to climate change and water security issues and has been named Supplier Engagement Leader for its continuous development of a sustainable value chain for 7 consecutive years.

As a Field Service Engineer – UPS (Data Center Segment), you will play a key role in delivering high‑quality service, technical expertise, and customer support for Delta’s Uninterruptible Power Supply (UPS) and related DCS (Data Center Solutions) products. This role involves both hands‑on technical work and knowledge leadership — developing deep expertise, sharing best practices across EMEA, supporting customers with complex issues, and contributing to continual product and service improvements.

Key Responsibilities

• Perform on‑site diagnostics, troubleshooting, repair, and maintenance of Delta UPS and data‑center power products.
• Lead complex service activities including Level 2–Level 5 commissioning, system start‑ups, performance testing, and verification of correct installations.
• Provide escalated technical support for critical customer incidents.
• Conduct root‑cause analysis and feed insights back to engineering and product teams.
• Deliver technical training programs to Delta field service engineers, partners, and customers.
• Develop training materials, troubleshooting guides, and best‑practice procedures.
• Serve as a subject‑matter expert for DCS products.
• Create and maintain service‑related technical documentation.
• Define scope of work for installation, commissioning, and maintenance.

Degree in Electrical Engineering or similar.

Familiarity with SCADA/BMS systems.

Minimum 3 years’ experience with UPS or power‑electronics systems.

Strong understanding of electrical systems and power infrastructure.

Excellent communication skills, written and verbal.

Willingness to travel across EMEA.

Fluent in English; additional languages beneficial.