Principal Mechanical Engineer – Subject Matter Expert

NTT Global Data Centers; Singapore; On-site; SGD 140,000 - 210,000; Full time

Job summary

NTT Global Data Centers is seeking a Principal Infrastructure Design Engineer to lead design and implementation of enterprise infrastructure. You will ensure optimal system performance, drive deployment of new technologies, and coordinate cross-functional initiatives across cloud and on‑premises environments.

The role emphasizes infrastructure as code, automation, security, uptime, capacity planning, and collaboration with stakeholders to deliver reliable, scalable services.

Qualifications

• Bachelor’s degree or equivalent in Computer Science, Information Technology, Engineering, or related field.

Responsibilities

• Leads maintenance of infrastructure reliability, performance and support.
• Directs release of new/upgraded technologies (design, installation, configuration, testing).
• Mentors junior resources within the team.

Skills

Infrastructure design

Automation

IaC

Security

Uptime & performance

Capacity planning

Test & validation

Documentation

Cloud architectures

Docker/Kubernetes

Agile/CI‑CD

Education

Bachelor’s degree in Computer Science / IT / Engineering

Tools

Docker

Kubernetes

CI/CD tools

Azure

AWS

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

The Principal Infrastructure Design Engineer is a highly skilled subject matter expert, responsible for managing the design and implementation of information systems to support the enterprise infrastructure of the organization.

This role ensures that all systems are working at optimal levels and provides expertise in the development of new technologies and system requirements.

The Principal Infrastructure Design Engineer may be responsible for coaching and mentoring junior resources within the team.

What we are looking for

Key Responsibilities: Leads the maintenance of the ongoing reliability, performance and support of the infrastructure. Leads operating environments, responds to incidents and problems as well as planning for growth Responsible for directing the release of new or upgraded technologies, including the design, installation, configuration, maintenance and performance testing of operating systems, networks. Works cross functionally, using Infrastructure as code approach to write deployment scripts and automation. Accountable for security of system and inter-application information transfers. Works cross functionally to ensure maximum achievable uptime for entire network services and servers. Enhances, plans capacity and designs related to infrastructure engineering projects. Works cross functionally to capacity workload modelling and availability analysis for a variety of platforms, systems, and environments. Recommends changes/enhancements for improved systems availability, reliability, and performance. Develops, maintains, recommends, documents, and supports tools and back-end utilities to provide capacity planning management. Accountable for ensuring participation in testing efforts and coordinating feedback of test results. Leads the analysis and reporting of operational metrics to understand performance and to ensure success in process improvements. Provides direction and insight into ways tasks can be automated. Accountable for documenting, monitoring, reporting and directing the resolution of systemic issues. Monitors production, outputs, and services to ensure that SLAs, and other quality metrics, are being met. Responsible for actively supporting the design and review process of new systems. Partners with internal and external clients when connectivity to client systems is involved. Performs any other related task as required. Knowledge and Attributes: Extended understanding of multiple infrastructure solutions. Extended knowledge of systems design and related engineering processes. Extended knowledge of system administration, software development, and expertise to solve complex coding issues. Has business acumen with excellent communication and organizational skills. Excellent ability to effectively deal with stakeholders in challenging situations. Extended understanding of regulatory requirements and organizational standards including security Extended knowledge of the system design life cycle models. Extended ability to design systems compatible with cloud computing architectures and selection of components. Extended ability to use a variety of design tools. Extended understanding of Infrastructure as Code, containerization technologies, such as Docker/Kubernetes. Extended knowledge of software development practices, including Agile and CI/CD. Extended proficiency in data security and privacy best practices. Academic Qualifications and Certifications: Bachelor’s degree or equivalent in Computer Science, Information Technology, Engineering, Technical, Information Systems or a related field. Relevant certifications, such as Cisco Certified Network Associate (CCNA), Cisco Certified Internetwork Expert (CCIE), Microsoft Certified System Engineer (MCSE), Service Oriented Architecture (SOA) preferred. Cloud Certifications (Azure Solutions Architect Expert, AWS Certified Solutions Architect) preferred. Certified Kubernetes Administrator (CKA) - Cloud Native Computing Foundation preferred. Certified Kubernetes Application Developer (CKAD) - Cloud Native Computing Foundation preferred. Required Experience: Extended demonstrated experience deploying and/or administrating infrastructure solutions. Extended demonstrated experience in similar IT roles, with a focus on system design / architecture engineering. Extended demonstrated working experience in a large‑scale organization. Extended demonstrated experience with software development lifecycles. Extended demonstrated experience working in a team‑oriented, collaborative environment.

Who we are

As the third largest data center provider, we operate over 150 data centers in more than 20 countries and regions. We understand that every business – large and small – has its own unique needs and goals. We offer local-to-global data center expertise, aligned with our connected platform of AI‑ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime.