Senior Critical Facilities Maintenance Technician

Global Data Centers Americas, Inc.; Kolkata District; On-site; INR 1,200,000 - 1,700,000; Full time

Job summary

NTT Global Data Centers in Kolkata region is seeking a skilled Facilities Engineer to maintain and optimize mechanical, electrical, and fire life safety systems across data center campuses. You will work with contractors and internal teams to ensure uptime and safety.

The role requires hands-on experience with chilled water, CRAC/CRAH, UPS, switchgear, and water treatment, plus strong reading of schematics and safety compliance. Excellent communication and teamwork are essential.

Qualifications

• Experience with large commercial/industrial systems installations or maintenance.
• Solid knowledge of mechanical, electrical and fire life safety systems in data centers.
• Familiar with NEC, NFPA 70E/72/25 and building codes related to life safety.
• Ability to read blueprints and schematics and use hand/power tools.
• Strong communication and teamwork skills.
• Proficiency in MS Office (Word, Excel, PowerPoint, Project).

Responsibilities

• Develops approaches to minimize operational costs while improving efficiency.
• Maintains mechanical systems including chilled water, HVAC, CRAC/CRAH, humidification.
• Oversees electrical distribution from main switchgear to customer load.
• Performs preventive and predictive maintenance across mechanical, electrical, and fire life safety systems.
• Reads blueprints, inspects parts, and installs components.
• Coordinates with contractors and documents quality assurance for system upgrades.
• Ensures regular attendance and reliable operations.

Skills

Mechanical systems

Electrical systems

Fire Life Safety

HVAC systems

Chilled Water Systems

CRAC/CRAH

Water Treatment Systems

Transformers

Generators

Switchgear

UPS systems

BMS/PLC Controls

NEC NFPA codes

Industrial safety practices

Communication skills

MS Office

Tools

BMS software

PLC programming tools

Job description

Make an impact at NTT Global Data Centers

Join NTT Global Data Centers and be part of a team that drives innovation and sustainability in the digital world. With over 150 data centers across more than 20 countries globally, we offer unparalleled opportunities to work on cutting-edge technology and transformative projects. Experience a collaborative, innovative, and inclusive workplace where your ideas are valued, and your growth is supported.

Your role at a glance

Key Roles and Responsibilities:Develops creative approaches to keep operational costs to a minimum, improves efficiency, and implements new strategies. Systems of responsibility include:o Mechanical responsibilities includes chilled water systems and components, HVAC systems such as roof top units, CRAC/CRAH units, and humidification systems.o Electrical responsibilities will include electrical/critical power distribution from the Utility/Generator main switchgear through the UPS systems out to the customer load.

What we are looking for

Key Roles and Responsibilities:

• Develops creative approaches to keep operational costs to a minimum, improves efficiency, and implements new strategies. Systems of responsibility include:
• o Mechanical responsibilities includes chilled water systems and components, HVAC systems such as roof top units, CRAC/CRAH units, and humidification systems.
• o Electrical responsibilities will include electrical/critical power distribution from the Utility/Generator main switchgear through the UPS systems out to the customer load.
• o Fire Life Safety responsibilities will include wet sprinkler systems and pre-action sprinkler systems as well as their associated detection devices.

Tests performance of electromechanical assemblies and electronic voltmeters.

Reads blueprints, schematics, diagrams, or technical orders to determine methods and sequences of processes.

Inspects parts for surface defects.

Installs electrical or electronic parts and hardware in housings or assemblies, using hand tools.

Aligns, fits or assembles component parts, using hand or power tools.

Operates, monitors, maintains, and responds to abnormal conditions in facilities systems. Areas include: Mechanical, Electrical, Fire Life Safety, and Building Monitoring and Control.

Analyses systems to ensure best practices for both internal and external customers.

Provides feedback to relevant teams on the effectiveness of existing standards and processes.

Works with contractors and consultants to review quality assurance for all system expansions, corrections, and upgrades.

Works with relevant teams to track and complete an aggressive preventive and predictive maintenance programme.

Ensures a regular, predictable attendance which is essential to satisfactory performance.

Knowledge, Skills and Attributes:

Understanding of the mechanical, electrical, and fire life safety systems used in a data centre environment including, but not limited to the following: electrical distribution and layout, Transformers, PLC's, Generators, Switchgear, UPS systems, STS', ATS' PDU's, Chilled Water Systems, CRAC/CRAH's, Pre-Action Sprinkler Systems

Knowledge of NEC, NFPA 70E, NFPA 72, NFPA 25, and compliance issues as well as building codes in regard to fire life safety

Current knowledge in industrial safety best practices (i.e. lockout/tag out, arc flash protection, OSHA and state regulations)

Familiarity with data trending / tracking and analysis and the ability to utilize a PC based integrated critical monitoring systems

Ability to process Hands and Eye requests as required i.e., Tape Rotation, Rack and Stack of equipment, inventory hardware, power cycle devices, patch cable install/removal

• Demonstrated hands-on experience installing, maintaining, and/or troubleshooting large commercial and industrial systems including:
• o Chilled Water Systems
• o Large Centrifugal Chillers
• o Cooling Towers
• o Heat Exchangers
• o Water Treatment Systems
• o VFD's and Pumps
• o HVAC equipment
• o CRAC/CRAH's
• o Humidification Systems
• o Water heaters
• o Water/Air filters
• o BMS and PLC Controls
• o Emergency Standby Diesel Generator Systems
• o Fuel/Oil systems,
• o 480/277 and 208/120 electrical generation and distribution
• o Static UPS Systems
• o Double Interlock Pre-Action Systems

Excellent communication skills, both written and oral

Proficient with MS Office Suite (Word, Excel, PowerPoint, Project)

Ability to communicate effectively with customers and internal staff and effectively work in team environment

Ability to coordinate, supervise, and communicate with contractors who perform maintenance or upgrade work