Critical Facilities Technician (Shift), Data Centre Engineering Operations (DCEO)

AI in this role

Operate, monitor, and maintain electrical and mechanical infrastructure for AWS data centres on a 24/7 shift rotation.

bms

facility-managementelectrical-maintenancemechanical-maintenancetroubleshooting

Amazon Web Services (AWS) is seeking a Critical Facilities Technician to join our Data Centre 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 centres 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 centre operations.

Key job 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, 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 failover 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
The Data Centre Engineering Operations (DCEO) team is responsible for maintaining the critical infrastructure that supports AWS data centres. 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.

Basic qualifications

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

Preferred qualifications

- Experience in data center engineering
- Electrical or mechanical qualification (apprenticeship, diploma or equivalent experience)
- Experience working in data centres, industrial facilities, manufacturing plants or critical environments
- Familiarity with Building Management Systems (BMS) or similar monitoring systems
- Experience working with permit-to-work or safety management systems
- Strong troubleshooting and problem-solving skills

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’re applying in isn’t listed, please contact your Recruiting Partner.

How we rate this

Critical Facilities Technician (Shift), Data Centre Engineering Operations (DCEO) at Amazon rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.

Key facts

Critical Facilities Technician (Shift), Data Centre Engineering Operations (DCEO) is an open job at Amazon.
Level rates this role AI Level 1 of 4: Little AI.
The role is based in GB, London.
The job was posted on October 6, 2026.
Seniority: mid.
Applications are handled by Amazon. Apply on Amazon

Prepare for this job

A free preview built only from this posting: what it asks for, what you could be asked in an interview, and how to adjust your resume.

Skills and AI tools this role asks for

Facility ManagementElectrical MaintenanceMechanical MaintenanceTroubleshootingBms

Questions you could be asked

Tell me about a project where facility management was part of your work. What did you do?
Tell me about a project where electrical maintenance was part of your work. What did you do?
Tell me about a project where mechanical maintenance was part of your work. What did you do?
Tell me about a project where troubleshooting was part of your work. What did you do?
Walk me through how you've used Bms in your day-to-day work.

Adapt your resume

List these exact terms on your resume: Facility Management, Electrical Maintenance, Mechanical Maintenance, Troubleshooting, and Bms. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them — a tool named with nothing behind it rarely survives a human read.

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