Location
Acton, London
Hours
Shift work including evenings, nights, weekends, and holidays as required
Salary
£34,400 - £43,300 per year
About the Role
As a Critical Environment Technician (CET) within Microsoft’s Cloud Operations & Innovation (CO+I) team, you will maintain and support the critical infrastructure that ensures our datacenters operate reliably. Your responsibilities include coordinating with suppliers and vendors, recognizing safe versus unsafe work environments, and performing hands-on maintenance and troubleshooting of critical environment equipment such as electrical, mechanical, controls, and generators. You will respond to onsite incidents, lead incident response teams, and collaborate with other critical facilities professionals to perform corrective repairs efficiently and safely.
Microsoft’s CO+I team powers cloud services including Bing, Office 365, Xbox, OneDrive, and Azure, managing a global portfolio of over 200 datacenters across 32 countries. This role offers opportunities for professional development through training, career rotation programs, diversity and inclusion initiatives, and professional certifications.
Key duties include inspecting and supervising critical environment equipment and facilities, utilizing computerized maintenance management systems (CMMS) to track assets and work orders, developing and following emergency operating procedures (EOPs), methods of procedure (MOPs), and standard operating procedures (SOPs). You will work independently on advanced tasks within your discipline, provide consultation to junior colleagues, and ensure compliance with safety and security standards.
Microsoft is committed to environmental sustainability and operational excellence, and this role plays a vital part in supporting services for over 1 billion customers worldwide. The position is based in Acton, London.
Experience
- Mission critical services work or applied learning experience in high availability environments such as data centers, oil and gas refineries, hospitals, pharmaceutical, manufacturing, or related fields is required.
- Ability to work shifts including evenings, nights, weekends, and holidays.
About you
- Self-motivated and able to work independently on advanced tasks.
- Strong troubleshooting skills with hands-on understanding of electrical, mechanical, and cooling systems.
- Ability to lead onsite incident response teams and coordinate with other professionals.
- Commitment to safety, security, and quality standards.
- Embraces Microsoft’s culture and values including respect, integrity, accountability, and inclusion.
Qualifications
- Required: High School Diploma, GED, or equivalent plus mission critical services experience.
- Preferred: Associate's Degree, technical trade certification, or higher education with extensive mission critical services experience.
- Ability to pass Microsoft Cloud background check and meet security screening requirements.
Microsoft





