Military Data Centre Engineering Operations (DCEO), Amazon Web Services (AWS)

AMAZON UK; Greater London; On-site; GBP 42,000 - 54,000; Full time

Job summary

Amazon UK’s Data Center Engineering Operations (DCEO) role focuses on those with military experience transitioning to the private sector. The Critical Facilities Technician will support operation, monitoring and maintenance of electrical and mechanical infrastructure powering AWS cloud services in 24/7 data centers.

This hands-on role involves inspections, fault finding, and coordinating with vendors, while adhering to safety procedures and shift-based 24/7 coverage.

Qualifications

• Experience working with electrical or mechanical infrastructure systems.
• Hands-on maintenance, inspections, or troubleshooting on plant equipment.
• Knowledge of infrastructure systems such as power distribution equipment, generators, UPS systems, HVAC/cooling systems, pumps, motors or industrial equipment.
• Ability to follow operational procedures and safety standards.
• Willingness to work in a shift-based environment supporting 24/7 operations.

Responsibilities

• Perform planned preventive maintenance (PPM) and reactive maintenance on electrical and mechanical infrastructure systems.
• Conduct routine plant inspections and equipment checks to ensure systems are operating correctly.
• Monitor alarms and system performance using Building Management Systems (BMS) and other monitoring tools.
• Assist with fault finding and troubleshooting across infrastructure systems including power distribution and cooling equipment.
• Support operation and testing of critical systems including diesel generators, UPS systems, switchgear and cooling equipment.
• Supervise specialist vendors performing maintenance or repair activities on site.
• Follow permit-to-work and safety procedures for all maintenance and operational activities.
• Participate in incident response and support troubleshooting during infrastructure events.
• Maintain accurate maintenance records and operational logs.
• Support testing activities including generator tests and infrastructure fail-over exercises.

Skills

Electrical systems

Maintenance experience

Infrastructure knowledge

Education

Bachelor's degree in electrical, mechanical or equivalent engineering

Job description

Description

This role focuses on those who have military experience interested in working in the private sector. Amazon Web Services (AWS) is seeking a Critical Facilities Technician to join our Data Center Engineering Operations (DCEO) team. In this role you will support the operation, monitoring and maintenance of the electrical and mechanical infrastructure that powers AWS cloud services. AWS data centers operate 24/7 and rely on highly reliable power and cooling systems. As a technician in this environment, you will perform hands‑on maintenance, equipment inspections, and troubleshooting to ensure infrastructure systems operate safely and reliably. You will work as part of a team responsible for maintaining mission‑critical equipment including power distribution systems, generators, UPS systems and cooling infrastructure. This role operates on a shift rotation supporting 24/7 data center operations.

About the Team

The Data Center Engineering Operations (DCEO) team is responsible for maintaining the critical infrastructure that supports AWS data centers. Our technicians operate and maintain complex mechanical and electrical systems that provide reliable power and cooling for AWS cloud services. The team works in a highly operational, safety‑focused environment, where attention to detail and strong technical skills are essential to maintaining service availability.

Work Environment

• 24/7 mission‑critical facility
• Shift‑based operations
• Work with large‑scale electrical and mechanical infrastructure
• Combination of hands‑on maintenance, monitoring and operational support

Ideal Candidate Backgrounds

• Data centres or critical facilities
• Building services or facilities maintenance
• Industrial or manufacturing plants
• Utilities or power generation
• Military technical roles
• Large commercial facilities such as hospitals or airports

Career Development Opportunities

• Senior Critical Facilities Technician
• Data Centre Engineering Operations Engineer
• Facilities Operations Supervisor
• Infrastructure Operations Manager

Key Responsibilities

• Perform planned preventive maintenance (PPM) and reactive maintenance on electrical and mechanical infrastructure systems.
• Conduct routine plant inspections and equipment checks to ensure systems are operating correctly.
• Monitor alarms and system performance using Building Management Systems (BMS) and other monitoring tools.
• Assist with fault finding and troubleshooting across infrastructure systems including power distribution and cooling equipment.
• Support operation and testing of critical systems including diesel generators, UPS systems, switchgear and cooling equipment.
• Supervise specialist vendors performing maintenance or repair activities on site.
• Follow permit‑to‑work and safety procedures for all maintenance and operational activities.
• Participate in incident response and support troubleshooting during infrastructure events.
• Maintain accurate maintenance records and operational logs.
• Support testing activities including generator tests and infrastructure fail‑over exercises.

Basic Qualifications

• Experience working with electrical or mechanical infrastructure systems.
• Hands‑on experience performing maintenance, inspections, or troubleshooting on plant equipment.
• Knowledge of infrastructure systems such as power distribution equipment, generators, UPS systems, HVAC/cooling systems, pumps, motors or industrial equipment.
• Ability to follow operational procedures and safety standards.
• Willingness to work in a shift‑based environment supporting 24/7 operations.

Preferred Qualifications

• 2+ years of data center engineering operations experience.
• Bachelor’s degree in electrical, mechanical or equivalent engineering.

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