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

Amazon

London, United Kingdom

Last month

Job Type: Permanent
Posted: 20 Mar 2026 (Last month)

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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

We welcome applicants with experience from a range of technical environments including:
- 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

Technicians in the Data Centre Engineering Operations team have opportunities to develop into roles such as:
- 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 job responsibilities
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
A typical shift may include:
- 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
About AWS

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?

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.

Inclusive Team Culture

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.

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