IT Infrastructure Principal Engineer

Network For Electronic Transfers (S); Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Banking Computer Services Pte Ltd, a subsidiary of Network for Electronic Transfers (Singapore) Pte Ltd, seeks an experienced Infrastructure Leader to manage and modernize core Linux and middleware platforms. You will oversee critical infrastructure, drive migration efforts, and ensure security and performance across production environments.

Ideal candidates have 10+ years in Infrastructure Operations, 5+ years leading 24x7 banking environments, and strong delivery focus.

Qualifications

• Bachelor’s degree in IT or related field.
• Extensive RHEL administration, tuning, security hardening, patching, and automation.
• Experience with Solaris migrations and modernization.
• Experience with IBM MQ, IBM Connect:Direct, Axway SecureTransport, and LDAP.
• Banking/FS mission-critical experience is preferred.

Responsibilities

• Lead the administration, support, and maintenance of RHEL/Linux infrastructure and middleware (IBM MQ, IBM Connect:Direct, Axway SecureTransport, LDAP) across Production, UAT, and Development.
• Drive Solaris-to-RHEL migration program, decommission legacy Solaris, adopt RHEL as core OS.
• Ensure platform availability, performance, security, and compliance via monitoring, patching, vulnerability remediation, and upgrades.
• Act as technical lead for critical incidents, coordinating with Applications, Network, Database, Security, and Cloud teams.

Skills

Leadership

Stakeholder management

Incident management

Vendor management

Team mentoring

Communication

Education

Bachelor's degree in IT/CS

Tools

RHEL

IBM MQ

IBM Connect:Direct

Axway SecureTransport

LDAP

Solaris

Job description

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Company: Network For Electronic Transfers (S)

BCS is NETS’ wholly owned subsidiary, and is an entity within the NETS Group. It manages and operates clearing and payment infrastructure for the Singapore Automated Clearing House, including Fast And Secure Transfers (FAST), Inter-bank GIRO (IBG), Cheque Truncation System (CTS), and provides services for PayNow and SGQR Central Repository.

Position Summary

The Technology Division at BCS is responsible for the operations, maintenance, and support of BCS applications such as FAST, Giro, CTS, PayNow, SGQR, TFR, eGIRO and its critical infrastructure, ensuring its operational stability, regulatory compliance, and service reliability.

The IT Infrastructure Department under Technology ensures the resilience, security, and high-performance of BCS’ technology infrastructure across various functions of service monitoring, incident management, and technical support. The team ensures seamless operation, maintenance, and strategic growth of core infrastructure components, including networks, servers, storage, middleware, and databases.

The IT Infrastructure Principal Engineer will oversee and manage the organisation’s physical IT infrastructure, including new infrastructure projects and ongoing upgrades. The role is responsible for ensuring the reliability, security, performance, and efficiency of servers, storage, networks, data centres, and other critical on-premises infrastructure. The ideal candidate will bring strong technical expertise and leadership capabilities, ensuring that infrastructure solutions meet business requirements for performance, security, availability, and scalability.

Key Responsibilities

• Lead the administration, support, and maintenance of RHEL-based Linux infrastructure and enterprise middleware platforms, including IBM MQ, IBM Connect: Direct, Axway , and LDAP, across Production, UAT, and Development environments.
• Drive the organization's Solaris-to-RHEL migration program, ensuring successful migration, decommissioning of legacy Solaris platforms, and adoption of RHEL as the strategic operating system platform.
• Ensure platform availability, performance, security, and compliance through proactive monitoring, capacity planning, patch management, vulnerability remediation, and middleware upgrades.
• Act as the technical lead and escalation point for critical incidents, collaborating with Application, Network, Database, Security, and Cloud teams to ensure stable and reliable service delivery.
• Lead disaster recovery, business continuity, automation, and operational excellence initiatives while establishing infrastructure standards, governance, KPIs, SLAs, and best practices.

Operational Leadership:

• Lead and mentor the UNIX/Linux and Middleware team, providing technical guidance and fostering a culture of ownership, accountability, and continuous improvement.
• Serve as the primary escalation point for critical production incidents, driving timely resolution, root cause analysis, and preventive actions.
• Oversee incident, problem, change, release, and capacity management processes, ensuring compliance with operational and governance standards.
• Manage resource planning, workload prioritization, vendor engagement, and 24x7 operational support to ensure service availability and business continuity.
• Manage team performance, career development, succession planning, and skill enhancement to maintain a high-performing team.

Security, Compliance & Risk Management:

• Drive operating system patch management, middleware upgrades, vulnerability remediation, and security hardening initiatives.
• Ensure compliance with regulatory, audit, risk, and internal security requirements.
• Review and approve remediation plans for infrastructure and middleware security findings.
• Collaborate with Cyber Security, Risk, Audit, and Compliance teams to strengthen the organization's security posture.
• Ensure infrastructure and middleware platforms meet enterprise resilience, governance, and operational risk standards.

Performance & Availability Management:

• Oversee system monitoring, health checks, performance tuning, and capacity planning across Linux and middleware environments.
• Ensure high availability, disaster recovery, backup, recovery testing, and clustering solutions are properly maintained and validated.
• Review infrastructure utilization trends and develop proactive scaling and optimization strategies.
• Drive continuous service improvement initiatives to enhance system reliability, stability, and operational efficiency.
• Establish and monitor operational KPIs, SLAs, and KRIs to ensure service excellence.

Requirements

Education and Experience

• Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field.
• Strong hands‑on expertise in Red Hat Enterprise Linux (RHEL) administration, troubleshooting, performance tuning, security hardening, patch management, and automation.
• Working knowledge of Solaris, with experience supporting migration and modernization initiatives.
• Strong administration and support experience with IBM MQ, IBM Connect:Direct, Axway SecureTransport, and LDAP platforms.
• Experience in large-scale infrastructure transformation, platform modernization, and migration projects.
• Strong understanding of security controls, vulnerability management, regulatory compliance, and audit requirements.
• Experience supporting mission‑critical, high‑availability environments within Banking or Financial Services organizations.

Other Requirements

• Minimum 10 years of Infrastructure Operations experience, including at least 5 years supporting mission‑critical Banking or Financial Services environments.
• Minimum 3‑5 years of leadership experience managing Infrastructure or Middleware teams in a 24x7 production support environment.
• Proven experience leading RHEL Linux infrastructure and enterprise middleware platforms.
• Strong stakeholder management, vendor management, incident management, and service delivery experience.
• Excellent communication, leadership, problem‑solving, and decision‑making skills.

Professional Certifications

• RHCE (Red Hat Certified Engineer) or RHCSA (Red Hat Certified System Administrator) preferred.
• ITIL Foundation Certification preferred.
• IBM MQ Administration Certification preferred.
• Red Hat Ansible Automation Certification preferred.
• Cloud certifications (AWS, Azure, OpenShift) will be an added advantage.

Banking Computer Services Pte Ltd (a subsidiary of Network for Electronic Transfers (Singapore) Pte Ltd)