Assoc, Infrastructure Engineer, Group Infrastructure & Cloud, Group Technology

DBS Bank; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

DBS Bank is seeking a skilled IT Operations Engineer to manage Windows, Citrix, and NetScaler environments at the DBS Asia Hub. You will handle Tier 2/3 tickets, perform patching, and drive upgrades while ensuring high availability and security in a banking infrastructure.

The role emphasizes automation with PowerShell, mentoring junior engineers, and supporting audit/compliance activities within a regulated environment.

Qualifications

• Hands-on experience with Windows, Citrix, and Netscaler, SSH and IBM Connect Direct.
• Strong technical knowledge of Windows hardware, operating systems, OS security hardening, and system services (volume manager, file system, NTP, DNS, clustering, SSH).
• Experience in troubleshooting and performance tuning of Windows, Citrix, and Active Directory (AD).
• Experience in implementing and operating Windows, Citrix, AD, and clustering.
• Information security knowledge in a banking institution is preferred.
• Data communication and network knowledge specific to a Wintel server farm.
• ITIL certified or strong working knowledge of ITIL Incident, Problem, and Change Management.

Responsibilities

• Monitor environment health and resolve Tier 2/3 user tickets.
• Provide L2 support for Windows Server infrastructure (2016, 2019, 2022).
• Troubleshoot and drive system recovery; perform root cause analysis.
• Lead upgrade projects and change requests; patch management and software upgrades.
• Configure NetScaler, DNS, VLANs, and firewall-related elements; ensure High Availability.
• Automate repetitive tasks with PowerShell to improve productivity.
• Mentor engineers and support audit and compliance activities.

Skills

Windows

Citrix

Netscaler

Active Directory

PowerShell

ITIL

Training teammates

Tools

IBM Connect Direct

Job description

Business Function

Group Technology enables and empowers the bank with an efficient, nimble and resilient infrastructure through a strategic focus on productivity, quality & control, technology, people capability and innovation. In Group Technology, we manage the majority of the Bank’s operational processes and inspire to delight our business partners through our multiple banking delivery channels.

Job Responsibilities:

Daily Operations & Support:

• Monitor environment health (e.g., Citrix Director, “Unregistered” VDAs).
• Resolve Tier 2/3 user tickets (slow logons, session disconnects, app errors).
• Manage user profiles foroptimalload times and data persistence.
• Provide L2support for Windows Server infrastructure (2016, 2019, 2022).
• Troubleshoot and drive system recovery, escalating major incidents as needed.
• Perform root cause analysis to prevent recurrence of problems.
• Ensure OS and system software supportability, including planning and leading upgrade projects.
• Review and implement change requests.
• Conduct performance analysis and tuning.
• Improve productivity through automation of system operations.
• Track and drive patch management and software upgrades for middleware.
• Applynew technologyand processes to enhance system supportability, recoverability, availability, and performance.
• Provide operational excellence and technical guidance across project phases (requirement gathering, design, procurement, implementation, hand-over).
• Mentor less experienced engineers.
• Support audit and compliance activities.

Patch Management:

• Maintain and update “Gold Images” using automation.

• Perform monthly OS patching and application updates for virtual desktop fleets.

• Raise and implement Patch Management Change Requests (CRs) in Wintel infrastructure.

Lifecycle & Migrations:

• Identifyand plan replacement for End of Support (EOS) software.

• Execute migrations from legacy on-premises versions to the latest LTSR.

• Assistin workload migrations between on-premises Citrix farms.

NetScaler (Citrix ADC) Administration:

• Configure Traffic Management & Load Balancing.

• Manage Gateway Services, SSL & Certificate Management.

• Ensure High Availability.

• Understand and configure basic network elements (VLANs, static routes, ACLs).

Automation:

• Automate repetitive tasks (e.g., health reports, reboot schedules, session management) using PowerShell.

Requirement

• Hands-on experience with Windows, Citrix, andNetscaler,SSHand IBM Connect Direct.
• Strong technical knowledge of Windows hardware, operating systems, OS security hardening, and system services (volume manager, file system, NTP, DNS, clustering, SSH, remote anywhere, TSM,Zabbix).
• Experience in troubleshooting and performance tuning of Windows, Citrix, and Active Directory (AD).
• Experience in implementing and operating Windows, Citrix, AD, and clustering.
• Information security(Systems Hardening)knowledge in a banking institution is preferred.
• Data communication and network knowledge specific to a Wintel server farm.
• Experience in middleware and application execution in x86 environments (Windows and Linux) is an advantage.
• ITIL Certified or strong working knowledge of ITIL Incident, Problem, and Change Management disciplines.
• Ability to train team members.
• Microsoft & Citrixcertification is an added advantage.

Location:

DBS Asia Hub

Job:

Technology

Schedule:

Regular

Employee Status:

Full time