391 IT Infrastructure jobs in Singapore

We're partnering with a well-funded, fast-growing tech company to hire a Network Infrastructure Engineer to join their team.

• Deploy, tune, and maintain network optimization solutions for enterprise systems
• Implement robust infrastructure and security standards across hybrid environments
• Collaborate with engineering teams to ensure reliable, high-performance connectivity
• Monitor network health, analyze traffic patterns, and respond to incidents efficiently
• Stay ahead of emerging security threats and recommend preventive measures
• Bring solid experience in network management tools and certifications in infra/network tech

Reach out to Ayla at for a confidential discussion.

EA License No: 19S9830

Job Summary:

We are seeking a skilled and dedicated Network Infrastructure Engineer with advanced network knowledge and familiarity with WAN optimization to join our professional services team.

As a Network Infrastructure Engineer, you will play a critical role in managing our clients' network and ensuring the performance of their traffic are optimized and secure.

You will be responsible for implementing and managing WAN optimization solutions, conducting performance assessments as well as providing expertise in mitigating network performance issues.

Responsibilities:

• Deploy and maintain WAN optimization solutions to optimize clients' network performance.
• Implement network Infra and security policies, standards and procedures to ensure compliance with industry regulations and best practices.
• Collaborate with cross-functional teams to ensure targeted network traffic are optimized and secured.
• Stay updated with the latest endpoint security threats, vulnerabilities and industry trends and proactively recommend and implement appropriate countermeasures.
• Provide technical guidance and support to cross-functional teams during network incidents and investigations.
• Document WAN optimizer configurations, processes and procedures.

Qualifications:

• Bachelor's degree/Diploma in Computer Science, Information Security or a related field.
• Professional certifications for Network Infrastructure products, certification for Riverbed is favored.
• Familiarity with managing/implementing Network management platforms and tools at enterprise level.
• Understanding of network traffic and their protocols.
• Familiarity with security standards and frameworks (NIST, CIS) and their application for network products.
• Excellent analytical and problem-solving skills to identify and resolve network issues.
• Strong communication and collaboration skills to work effectively with clients, cross-functional teams and stakeholders.
• Able to work in a fast-paced environment and manage multiple priorities effectively.

*WHO WE ARE: *

As Singapore's longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.

Today, we're on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia's leading financial services partner for a sustainable future.

We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.

Your Opportunity Starts Here.

Job Overview

We are seeking a highly experienced and skilled Assistant Vice President responsible for implementing and maintaining the bank's building and international office networks. He/she will ensure the stability, security, and performance of our network infrastructure, which is essential for supporting business operations and delivering high-quality services to our customers. The ideal candidate will demonstrate a proactive approach to network management and a commitment to collaboration across various teams.

Key Responsibilities

· Support the development and implementation of organization's wireless, building, branches and ATM network infrastructure

· Ensure the stability, security, and optimal performance of the bank's network infrastructure, including LAN, WAN, Wi-Fi, and security systems.

· Collaborate with IT teams, such as Cybersecurity, Cloud, and Applications, to ensure seamless integration and alignment of network services with business requirements.

· Manage relationships with vendors and partners to ensure timely and effective delivery of network services.

· Develop and maintain comprehensive network documentation, including architecture diagrams, technical guides, and operational procedures.

· Ensure compliance with internal and external regulatory requirements, including data protection and security standards.

· Support the development and implementation of disaster recovery and business continuity plans for network services.

· Provide technical guidance and support for ad-hoc network requests and projects, ensuring timely and effective resolution.

• Perform change request across all network technologies based on new design standards and business requirements.
• Provide network fault investigation, troubleshooting, resolution, recovery and root cause analysis.
• Review and implement complex changes and device upgrades in critical environments.
• Deliver and implement network projects according to Bank standards and requirements.

Key Focus Areas

· Building and international office network infrastructure design, implementation, and maintenance

· Network security and threat protection

· WAN and LAN optimization and performance management

· Wi-Fi and wireless network design and implementation

· Collaboration with the Cybersecurity team to ensure network security and compliance

· Vendor management and relationship building

· Education

o Bachelor's Degree or Professional Degree in Computer Science, Information Technology, or a related field.

Experience

• Minimum 5 years of relevant working experience, with 2 years in supporting banking environment.
• Practical and solid working experience in BAU activities - incident management, root cause analysis, service delivery, project delivery, asset management, regulatory compliance (PID {privliged ID), SBR {security baseline reviews}, Asset Management into CMDB, automation (scripting), and documentation SOP.
• Practical knowledge & hands-on experiences in implementing network architecture and components including switches, routers, wireless, firewalls, VPNs and security gateways.
• Technical depth covering the core products - specific to management and configuration therefore experience in Cisco Switches and Routers, Huawei switches and routers, Palo and Fortinet firewalls, Network admisssion control.
• Able to deep dive network incidents and address root cause analysis using tools such as Solarwinds, Gigamon, ELK
• Strong implementation knowledge of the following protocols: OSPF, BGP, IPSec, GRE and STP.
• Deep working knowledge of BGP routing is a required
• Experience with Cisco ACI, EVPN is a bonus
• Experience in monitoring, tuning and scripting languages is a plus.

· Certification

• Relevant certifications (e.g. Cisco CCNA, CCDA, CCNP etc.) are a plus

· Knowledge and Skills

o Technical expertise in implementing and maintaining the building and international office networks.

o Familiarity with cloud computing, software-defined networking, and network automation.

o Professional written and verbal communication and presentation skills.

o Situational analysis and decision-making abilities.

o A quality mindset with a prevention attitude to attain zero defects and a strong commitment to delivering high-quality network services.

o Experience in supporting network budget management and resource allocation.

o Capable of developing and maintaining relationships with key stakeholders, including business leaders, IT teams, and external partners.

Working Conditions

Flexible working hours may be required to support 24/7 network operations.

If you are a passionate and experienced Network Engineer looking to make a significant impact in a dynamic environment, we encourage you to apply and join our team.

*What we offer: *

Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.

Job Responsibilities:

Operation and administration;

Network maintenance;

Network configuration requirements;

Network monitoring; and

Reports requirements;

Network equipment includes:

Routers, Switches, Hubs and Repeaters (Cisco/Alcatel);

Firewalls and Intrusion Protection/Detection Systems (Palo Alto/CheckPoint);

Network Access Control equipment (Aruba ClearPass CPPM);

Load Balancer and Bandwidth Management equipment (F5);

Media-Converters and Wireless APs; and

ADSL and ISDN equipment.

Personnel must be trained and minimally be proficient in the following areas:

(a) Network technologies and protocols;

(b) Network configuration;

(c) Network utilization and performance monitoring;

(d) Network fine-tuning, incident troubleshooting, interpretation of statistics and traffic pattern;

(e) Firewall rules configuration and security setting; and

(f) IDS/IPS, CDN implementation and IPv6;

Provide operation and administration support on network and security infrastructure according to the agreed service levels

Minimum 3 years hands-on experience in configuring routers/switches (e.g., Cisco and Alcatel), firewalls (e.g. Palo Alto and Check Point), network access control (Aruba ClearPass CPPM) and intrusion detection/protection systems

Cisco Certified Network Engineer certification, or equivalent

Only Singaporean can apply for this position

Cat1 Clearance Required

Monetary Authority of Singapore

Fixed Terms

Closing on 11 Sep 2025

What the role is

This role will sit within our IT Operations Division – Systems Management team.

What you will be working on

• Design, implement, and maintain Windows-based systems and infrastructure, including Active Directory, DNS, DHCP, and Group Policy Objects (GPO) for Critical Information Infrastructure (CII)
• Ensure compliance, service uptime, quality, and resilience of Windows platforms through Day 2 Operations
• Execute migrations from existing Windows platforms to newer versions or cloud-based solutions
• Implement continuous improvements to reduce toil, optimise performance, and align with industry standards whilst adopting modernisation with minimal impact
• Develop and manage automation scripts and PowerShell modules to streamline operations and improve efficiency
• Collaborate with cross-functional teams, providing clear communication, comprehensive documentation, and regular reporting on system status and projects
• Implement configuration management following industry standards such as CIS

What we are looking for

• A relevant university degree with at least 3 years of relevant working experience
• Proven experience in Windows system administration and engineering, particularly with Windows Server and associated technologies
• Strong knowledge of Active Directory, DNS, DHCP, and Group Policy Object (GPO) management
• Proficiency in PowerShell scripting and automation tools
• Experience with virtualization technologies (VMware / OpenStack)
• Familiarity with version control systems, configuration management tools, and cloud platforms (e.g. AWS, Azure)
• Experience in supporting critical systems and implementing security best practices
• Experience in implementing configuration standards (e.g. CIS) with drift management
• Relevant industry certifications (e.g. MCSA, MCSE) are beneficial
• Excellent problem-solving and analytical skills
• Ability to work effectively in a team environment
• Strong service-oriented mindset with focus on operational excellence
• Enthusiasm for learning new technologies and adapting to evolving IT landscapes

As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.

This is a 2-year contract position. All applicants will be notified on whether they are shortlisted or not within 4 weeks of the closing date of this job posting.

About Monetary Authority of Singapore

MAS is the central bank of Singapore. Our mission is to promote sustained non-inflationary economic growth, and a sound and progressive financial centre.

About your application process

This job is closing on 11 Sep 2025.

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and for other roles within Monetary Authority of Singapore or the wider Public Service.

(What the role is)

This role will sit within our IT Operations Division – Systems Management team.

(What you will be working on)

• Design, implement, and maintain Unix-based systems and infrastructure, including RHEL, Middleware (JBOSS, MQ), and Satellite
• Develop and manage automation scripts and Ansible playbooks to streamline operations and improve efficiency
• Execute migrations from existing Unix platforms and implement continuous improvements
• Collaborate with cross-functional teams to ensure system reliability and performance
• Ensure compliance, service uptime, quality, and resilience of Unix platforms through Day 2 Operations
• Implement configuration management following industry standards such as CIS

(What we are looking for)

• A relevant university degree with at least 3 years of relevant working experience.
• Proven experience in Unix system administration and engineering, particularly with Redhat linux
• Experience with virtualization technologies (VMware / OpenStack)
• Proficiency in shell scripting, python, and automation tools (Ansible / Puppet)
• Familiarity with version control systems, configuration management tools, and cloud platforms
• Experience in supporting critical systems and implementing security best practices
• Experience in implementing configuration standards (e.g., CIS) with drift management
• Relevant industry certifications (e.g., RHCSA, RHCE) are beneficial
• Excellent problem-solving and analytical skills
• Ability to work effectively in a team environment
• Strong service-oriented mindset with focus on operational excellence
• Enthusiasm for learning new technologies and adapting to evolving IT landscapes

As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.

This is a 2-year contract position. All applicants will be notified on whether they are shortlisted or not within 4 weeks of the closing date of this job posting.

Monetary Authority of Singapore

Fixed Terms

Closing on 11 Sep 2025

What the role is

This role will sit within our IT Operations Division – Systems Management team.

What you will be working on

• Design, implement, and maintain Unix-based systems and infrastructure, including RHEL, Middleware (JBOSS, MQ), and Satellite
• Develop and manage automation scripts and Ansible playbooks to streamline operations and improve efficiency
• Execute migrations from existing Unix platforms and implement continuous improvements
• Collaborate with cross-functional teams to ensure system reliability and performance
• Ensure compliance, service uptime, quality, and resilience of Unix platforms through Day 2 Operations
• Implement configuration management following industry standards such as CIS

What we are looking for

• A relevant university degree with at least 3 years of relevant working experience.
• Proven experience in Unix system administration and engineering, particularly with Redhat linux
• Experience with virtualization technologies (VMware / OpenStack)
• Proficiency in shell scripting, python, and automation tools (Ansible / Puppet)
• Familiarity with version control systems, configuration management tools, and cloud platforms
• Experience in supporting critical systems and implementing security best practices
• Experience in implementing configuration standards (e.g., CIS) with drift management
• Relevant industry certifications (e.g., RHCSA, RHCE) are beneficial
• Excellent problem-solving and analytical skills
• Ability to work effectively in a team environment
• Strong service-oriented mindset with focus on operational excellence
• Enthusiasm for learning new technologies and adapting to evolving IT landscapes

As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.

This is a 2-year contract position. All applicants will be notified on whether they are shortlisted or not within 4 weeks of the closing date of this job posting.

About Monetary Authority of Singapore

MAS is the central bank of Singapore. Our mission is to promote sustained non-inflationary economic growth, and a sound and progressive financial centre.

About your application process

This job is closing on 11 Sep 2025.

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and for other roles within Monetary Authority of Singapore or the wider Public Service.

Assurity Trusted Solutions (ATS) is a wholly owned subsidiary of the Government Technology Agency (GovTech). As a Trusted Partner over the last decade. ATS offers a comprehensive suite of products and services ranging from infrastructure and operational services, governance and assurance services as well as managed processes. In a dynamic digital & cyber landscape where trust & collaboration is key, ATS continues to drive mutually beneficial business outcomes through collaboration with GovTech, government agencies and commercial partners to mitigate cyber risks and bolster security postures.

As a Senior Infrastructure Engineer/Infrastructure Engineer, you will be part of team to implement and manage the Whole-of-Government (WOG) Infrastructure and services. You will work within a team of engineers driving AI‑enabled productivity and collaboration across government, building and operating secure, scalable capabilities on Microsoft 365 and related platforms. Your focus will be to design, build, secure, and operate agentic AI solutions—including 1st party and custom Copilot Agents—that integrate with Microsoft 365, Microsoft Graph, and 3rdparty systems.

You will also collaborate with peers from other disciplines such as cybersecurity engineers, software developers, infrastructure architects, data engineers, UX Designers and Product Managers to design, develop and implement infrastructure products for WOG.

Responsibilities

• Design, configure, and extend Copilot Agents (first‑party and custom) and solutions using Copilot Studio / Agent Builder, including plugins, actions, knowledge sources, and connectors.
• Integrate agents with Microsoft 365 services (Teams, Outlook, Word, SharePoint/OneDrive), Microsoft Graph, and approved LLM endpoints; orchestrate workflows with Power Platform where appropriate.
• Embed security‑by‑design aligned to security policies (e.g., identity, least privilege, data protection, sensitivity labels, and DLP).
• Security and Compliance: Implement robust security protocols, data governance policies, and compliance measures to safeguard sensitive data and maintain system integrity with enterprise infrastructure and workloads.
• Define and enforce standards , playbooks, governance and best practices for agent creation, testing, deployment, and retirement.
• Coordinate with vendor/partner engineering on roadmaps, feature evaluations, and escalations.
• Troubleshoot and Resolve Issues: Provide ongoing technical support, identifying and resolving issues within Power Platform applications, workflows, and integrations to ensure smooth operations.
• Collaboration: Work closely with cross-functional teams, including business analysts, project managers, and end-users, to gather requirements and deliver efficient, high-quality solutions.
• Monitor and Optimize Solutions: Regularly monitor and optimize Power Platform applications and workflows, ensuring they perform efficiently and are scaled to meet evolving business needs.
• Build self‑service guidance and sample solutions for common use cases.
• Support champions/community of practice , providing technical consultancy for builders and administrators.
• Other duties as may be delegated by the Manager or Team Lead from time to time.

Requirements

• At least 3 – 6 years of relevant technical experience in a demanding, agile environment. Having prior managerial and leadership responsibilities is an added advantage for more senior roles.
• Experience building and deployment on Microsoft 365 / Microsoft Graph, SharePoint/OneDrive, Teams apps/bots, M365 Copilot and Power Platform (Power Automate/Power Apps).
• Copilot Studio / Agent Builder, custom connectors, and plugin/action development experience.
• Proven record of successfully delivering high-impact, complex projects while managing risks.
• Able to work independently and as a good team player with analytical, management and planning skills.
• Strong vendor and stakeholder management.
• Demonstrated ability to build and maintain relationships with a wide array of people at both junior and senior levels
• Pro-active, dynamic and with good analytical/conceptual thinking and problem-solving skills.
• Excellent written, verbal communication, presentation, and negotiation skills.

• Candidates with the following certifications/training will have an added advantage:

• PL-900 (Power Platform Fundamentals)

• AI-900 (Azure AI Fundamentals)

• APL-7008 (Create agents in Microsoft Copilot Studio)

Benefits

• A wholly-owned subsidiary of GovTech
• We promote a learning culture and encourage you to grow and learn
• Contract Staff enjoys the same benefits as Permanent Employees

Join us and discover a meaningful and exciting career with Assurity Trusted Solutions

We thank you for your interest and please note that only shortlisted candidates will be notified.

By submitting your application, you agree that your personal data may be collected, used and disclosed by Assurity Trusted Solutions Pte. Ltd. (ATS), GovTech and their service providers and agents in accordance with ATS's privacy statement which can be found at: or such other successor site.

Responsibilities:

• Technical support services forDevSecOps/Integrated Application LifecycleManagement (iALM) system;
• Monitor and maintain iALM applicationsand its infrastructure in production andnon-production environment;
• Troubleshoot and resolve iALM incidentsraised by users as per SLA;
• Create DevSecOps workflows based on theALM workflows;
• Liaises with the iALM product IT supportwhen necessary;
• Ensure integration and connectivity ofiALM with other systems;
• Provide training for users on updated iALMworkflows, features and recommend bestpractices;
  Report weekly status on issues status andsystem resources utilization.

Requirements:

• Tertiary qualification in InformationTechnology or Engineering;
• Technical skills in scripting for iALMapplications, GitLab, Jira, Confluence and other DevSecOps tools;
• Understanding of Software DevelopmentLifecycle (SDLC)/QA processes;
• 2 years experience of maintainingDevSecOps system/ALM application such asMicrofocus/OpenText solutions will beadded advantage;
• Good analytical and problem solving skills;