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

Amazon; Greater London; On-site; GBP 36,000 - 48,000; Full time

Job summary

Amazon Web Services (AWS) is seeking a Critical Facilities Technician to join the Data Centre Engineering Operations team. You will maintain electrical and mechanical infrastructure powering AWS cloud services in a 24/7 data centre environment.

Responsibilities include preventative and reactive maintenance, fault finding, and monitoring via BMS, while working a shift-based schedule on site. The role requires strong safety and operational discipline.

Qualifications

• Experience in systems engineering, site reliability engineering or comparable field.
• Hands-on maintenance of electrical and mechanical infrastructure.
• Ability to follow safety procedures and operational standards.

Responsibilities

• Perform planned preventative maintenance (PPM) and reactive maintenance on electrical and mechanical infrastructure systems.
• Conduct routine plant inspections and equipment checks.
• Monitor alarms and system performance using Building Management Systems (BMS).
• 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, switch gear and cooling equipment.
• Supervise vendors performing maintenance or repair activities on site.
• Maintain accurate maintenance records and operational logs.

Skills

Systems engineering

Site reliability

Electrical infrastructure

Mechanical systems

Education

Bachelor's degree in Electrical/Mechanical Engineering

Tools

Power distribution equipment

Generators

UPS systems

HVAC / cooling systems

Job description

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

Job ID: 10509900 | Amazon Data Services UK Limited

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.

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

Why AWS

Amazon Web Services operates one of the largest and most advanced data center infrastructures in the world.

Our facilities teams maintain the critical infrastructure that supports millions of customers globally.

AWS provides opportunities to build technical skills in large-scale electrical and mechanical systems, while working in a highly collaborative and safety-focused environment.

Career Development

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

AWS provides opportunities to develop deeper expertise in critical infrastructure systems, operational leadership and data centre operations.

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

Key Responsibilities

• Perform planned preventative 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, switch gear 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

A day in the life

• Performing daily plant inspections across electrical and mechanical infrastructure
• Monitoring alarms and system status through the Building Management System (BMS)
• Responding to infrastructure alerts and assisting with initial troubleshooting
• Carrying out planned preventative maintenance tasks on site equipment
• Supporting generator tests and infrastructure system checks
• Supervising vendors performing maintenance activities
• Completing shift logs, plant status reports and operational handovers

About the team

Amazon Web Services (AWS) is the world's most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating - that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Diverse Experiences

AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn't followed a traditional path, or includes alternative experiences, don't let it stop you from applying.

Why AWS?

AWS values curiosity and connection. Our employee-led and company-sponsored affinity groups promote inclusion and empower our people to take pride in what makes us unique. Our inclusion events foster stronger, more collaborative teams. Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do.

Mentorship & Career Growth

We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

Work/Life Balance

We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there's nothing we can’t achieve.

Basic Qualifications

• High school or equivalent diploma
• Experience in Systems engineering, site reliability engineering, building and operating systems at scale
• Work flexible shifts including nights, weekends, or holidays in a 24/7/365 environment
• Experience in a logistics/operations environment
• Experience working with electrical or mechanical infrastructure
• 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

Preferred Qualifications

• Experience in data center engineering
• Experience in data center engineering or operations
• Bachelors degree in electrical, mechanical or equivalent engineering

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice ( https://www.amazon.jobs/en/privacy_page ) to know more about how we collect, use and transfer the personal data of our candidates.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you are applying in isn’t listed, please contact your Recruiting Partner.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Veterans, military spouses, and people with disabilities are encouraged to apply.