Senior Infrastructure Engineer

Great Eastern; Kuala Lumpur; On-site; MYR 180,000 - 300,000; Full time

Job summary

Great Eastern in Kuala Lumpur seeks a Senior Infrastructure Resilience Engineer to own DNS, AD, PKI, and Syslog services, ensuring high availability and security across core enterprise infrastructure. You will drive upgrades, automate processes, and integrate with cloud and security platforms while partnering with cross-functional teams to manage risks and outages.

The role emphasizes disaster recovery planning, governance compliance, and delivering resilient, scalable infrastructure that

Qualifications

• Bachelor's degree in computer science / IT or diploma in a relevant field.
• 12+ years IT experience with 5+ years in resilience, architecture, operations, or infrastructure assurance.
• Strong expertise in IT infrastructure domains (compute, storage, backup, network, middleware, cloud).
• Understanding of resilience principles: redundancy, high availability, failover, disaster recovery and backup strategies.
• Ability to assess complex architectures and recommend resilience improvements.
• Excellent analytical and problem-solving skills with attention to detail.
• Strong communication and stakeholder management skills.
• Proven track record leading resilience or high-availability improvement initiatives.

Responsibilities

• Provide senior-level administration and technical ownership of DNS, DHCP, NTP, internal CA/PKI, AD, and Syslog systems.
• Proactively monitor and optimize availability, capacity, performance, and resilience of shared services.
• Lead complex incident troubleshooting and root cause analysis for high-impact incidents.
• Design, review, and implement upgrades, patches, and architectural improvements to shared infrastructure services.
• Drive service automation, standardization, and continuous process improvement.
• Lead integration of shared infrastructure with cloud, hybrid, and security platforms.
• Ensure compliance with security policies, audit requirements and regulatory standards.
• Enforce secure configuration standards and hardening practices.
• Support certificate lifecycle management and security practices.
• Collaborate with technology tower leads to recommend design improvements and resilience enhancements.
• Support infrastructure projects dependent on core services availability and reliability.
• Produce architecture documentation, runbooks, and operational procedures.

Skills

IT infrastructure

Resilience architecture

Incident leadership

Stakeholder management

Scripting (PowerShell/Python/Ansible)

Education

Bachelor's degree in CS/IT

Diploma in a relevant field

Microsoft Windows certifications (preferred)

Tools

Microsoft Active Directory

DNS/DHCP administration

Infoblox

PKI/CA

PowerShell

Python

Ansible

Job description

The individual will provide technical leadership within the Infrastructure Delivery function at Great Eastern, with accountability for the design, engineering, reliability, and resilience of the shared infrastructure services.

This role is responsible for the architecture, implementation, administration, and continuous improvement of core enterprise services that underpin the organization’s IT environment. These services include DNS, DHCP, NTP, internal Certificate Authority, Active Directory, and Syslog services. As a senior engineer, the role ensures these shared services are secure, highly available, compliant, and resilient, supporting critical business operations while safeguarding the organization against outages, cyber threats, and operational risks. The individual acts a technical authority, providing guidance to engineers, influencing design standards, and partnering closely with application, security, and infrastructure teams.

The role also plays a key part in disaster recovery, continuity planning, and resilience assurance, supporting governance, regulatory compliance, and organizational readiness to respond effectively to incidents and disruptions.

• Provide senior-level administration and technical ownership of DNS, DHCP, NTP, internal CA/PKI, AD, and Syslog systems.
• Proactive monitor and optimize availability, capacity, and performance, and resilience of shared services, ensuring sustained adherence to service objectives.
• Lead complex incident troubleshooting, root cause analysis, and resolution of high-impact incidents, service requests, and escalations.
• Design, review, and implement upgrades, patches, enhancements, and architectural improvements to shared infrastructure services.
• Drive service automation, standardization, and continuous process improvement to improve operational efficiency and reliability.
• Lead the integration of shared infrastructure services with cloud, hybrid, and security platforms, ensuring secure and resilient end-to-end service delivery.
• Ensure compliance with security policies, audit requirements, and regulatory standards.
• Enforce secure configuration standards and hardening practices to reduce vulnerabilities and operational risks.
• Support certificate lifecycle management and security practices.
• Partner closely with technology tower leads (e.g., Compute, Network, Backup, Storage) to recommend design improvements and resilience enhancements.
• Support infrastructure projects that depend on infrastructure core services availability and reliability.
• Produce and maintain high-quality architecture documentation, operational procedures, standards, and runbooks, ensuring knowledge continuity.
• Takes accountability in considering business and regulatory compliance risks and takes appropriate steps to mitigate the risks.
• Maintains awareness of industry trends on regulatory compliance, emerging threats and technologies in order to understand the risk and better safeguard the company.
• Highlights any potential concerns /risks and proactively shares best risk management practices.

We are looking for people with

• A bachelor’s degree in computer science / IT, or diploma in a relevant field.
• Strong expertise in IT infrastructure domains (compute, storage, backup, network, middleware, cloud).
• More than 12 years of IT experience, with more than 5 years in resilience, architecture, operations, or infrastructure assurance roles.
• Solid understanding of resilience principles such as redundancy, high availability, failover, disaster recovery, and backup strategies.
• Ability to assess complex architectures and recommend resilience improvements.
• Excellent analytical and problem-solving skills with attention to detail.
• Strong communication and stakeholder management skills to influence technology teams and project managers.
• Proven track record of leading resilience or high-availability improvement initiatives.
• Experience collaborating across multiple technology towers and project delivery teams.
• Strong technical expertise in: Microsoft Active Directory (user/group management, GPO, domain controllers).
• DNS & DHCP administration (Microsoft DNS, Infoblox, or equivalent).
• NTP configuration and synchronization best practices.
• PKI/Internal Certificate Authority (certificate lifecycle, CRL, OCSP, key management).
• Networking fundamentals (TCP/IP, firewalls, routing).
• Security principles (authentication, encryption, TLS, certificate validation).
• Knowledge of scripting and automation (PowerShell, Python, or Ansible) will be an advantage.
• Strong analytical and troubleshooting skills.
• Core Infrastructure & Microsoft Windows related certifications are preferred.
• High level of integrity, takes accountability of work and good attitude over teamwork.
• Takes initiative to improve current state of things and adaptable to embrace new changes.

How you succeed

• Champion and embody our Core Values in everyday tasks and interactions.
• Demonstrate high level of integrity and accountability.
• Take initiative to drive improvements and embrace change.
• Take accountability of business and regulatory compliance risks, implementing measures to mitigate them effectively.
• Keep abreast with industry trends, regulatory compliance, and emerging threats and technologies to understand and highlight potential concerns/ risks to safeguard our company proactively.

Who we are

Founded in 1908, Great Eastern is a well-established market leader and trusted brand in Singapore and Malaysia. With over S$100 billion in assets and more than 16 million policyholders, including 12.5 million from government schemes, it provides insurance solutions to customers through three successful distribution channels – a tied agency force, bancassurance, and financial advisory firm Great Eastern Financial Advisers. The Group also operates in Indonesia and Brunei.

The Great Eastern Life Assurance Company Limited and Great Eastern General Insurance Limited have been assigned the financial strength and counterparty credit ratings of "AA-" by S&P Global Ratings since 2010, one of the highest among Asian life insurance companies. Great Eastern's asset management subsidiary, Lion Global Investors Limited, is one of the leading asset management companies in Southeast Asia.

Great Eastern is a subsidiary of OCBC, the longest established Singapore bank, formed in 1932. It is the second largest financial services group in Southeast Asia by assets and one of the world’s most highly-rated banks, with an Aa1 rating from Moody’s and AA- by both Fitch and S&P. Recognised for its financial strength and stability, OCBC is consistently ranked among the World’s Top 50 Safest Banks by Global Finance and has been named Best Managed Bank in Singapore by The Asian Banker.