At a Glance
- Tasks: Support and maintain critical electrical and mechanical systems in a 24/7 data centre.
- Company: Join Amazon Web Services (AWS), a leader in cloud technology.
- Benefits: Competitive pay, diverse work environment, and career growth opportunities.
- Other info: Dynamic shift-based role with hands-on technical challenges.
- Why this job: Make a real impact by ensuring reliable cloud services for millions.
- Qualifications: Experience with electrical or mechanical systems; military background preferred.
The predicted salary is between 29700 - 36300 £ per year.
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.
- Equal Opportunity & Privacy
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.
Protecting your privacy and the security of your data is a longstanding top priority for Amazon.
Please consult our Privacy Notice ( 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 for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.
#J-18808-Ljbffr
Military Data Centre Engineering Operations (DCEO), Amazon Web Services (AWS) in London employer: AMAZON UK
Amazon UK is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration among talented professionals. As an AppSec Security Engineer, you will have access to extensive employee growth opportunities, including training in the latest security practices and technologies, all while working in a vibrant location that champions diversity and inclusion. With competitive benefits and a commitment to your professional development, Amazon UK stands out as a rewarding place to build a meaningful career in cloud security.
