871 Systems Administration jobs in Singapore

Required Experience:

• Diploma/bachelor’s degree in computer science, Information Technology, or a related field;
• 5-15 years of progressive experience in IT infrastructure management, with at least 5 years in banking/financial sector, preferably with exposure to core markets and international centres or regional role.
• Demonstrated ability to drive cost-saving initiatives, operational efficiencies and performance optimization.
• Demonstrable experience in IT risk management, including risk assessment methodologies, control implementation, and incident response.
• Oversight and monitor of infrastructure, assess, identified, pre-empted, reviewed and report risk issues, collaborate and track for timely remediation with countries and service domain SME.
• Proven expertise in managing diverse infrastructure environments with good understanding of networking principles, server virtualization (VMware, Hyper-V), storage solutions, and cybersecurity best practices.
• Excellent leadership, communication, and interpersonal skills, with a proven ability to manage stakeholders across different regions and functions.
• Self-starter, motivated, performance-oriented individuals with keen desire to pick up new skills, continuous development and improvement attitude.
• Ability to work as an individual and as a team in a pressure fast-paced environment.
• Able to multitask and handle different workload and priorities.
• Ability to travel within the region as required.
• Experience with ITIL frameworks, project management framework such as agile, waterfall SDLC, service management principles.
• Possess strong analytical skill with good working knowledge of Microsoft Power-point (must have), Microsoft Excel (must have), Microsoft Power BI (Good to have), Machine Learning TensorFlow (Good to have) are advantageous.
• Good verbal and written communication skills

Interested candidates kindly submit your updated CV in a Word Format to: Only shortlisted candidates will be notify. Thank you.

(What the role is)

Deputy/ Assistant Manager, Bus Infrastructure Management 1

(What you will be working on)

The Bus Infrastructure Asset Steward, Operation & Management Division is responsible for the operations, maintenance and management of bus infrastructure, to ensure smooth bus operations and upkeep commuter experience.

You will be part of a dynamic asset steward team to spearhead efforts to administer and manage bus interchanges and depots under the bus contracting model. We are looking for a dynamic individual with strong communication and coordination skills to join our team.

You will play a key role in:

• Driving bus infrastructure-related matters under Bus Contracting Model, from tender preparation to post-award transition and contract administration.

• Managing bus interchange commercial and advertisement activities.

• Driving bus infrastructure-related operational policies on use, operations and maintenance. This also includes developing strategies on asset management as part of LTA's mandate to safeguard infrastructure.

• Managing land-related licensing/ leasing matters, including occupation agreements.

(What we are looking for)

• Knowledge in any discipline.

• Preferably 2 years of relevant working experience, preferably in the bus industry, asset management or facility management.

• Strong analytical, communication, writing and presentation skills with attention to details.

• Excellent interpersonal skills and confidence in liaising with stakeholders across all organisational levels.

• Creative, hands-on individual with an excellent ability to manage multiple priorities in a dynamic environment.

• Fresh graduates and candidates without experience are also welcome to apply.

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

The IT (Network Infrastructure) Engineer is responsible for ensuring 24/7 server availability and network stability to support our global platform for pathogen data sharing. This role focuses on setting up, deploying, and maintaining virtual machines based on data submission demands, while managing networks and network service providers to ensure uninterrupted connectivity.
The candidate will work closely with compute engineers, system administrators, and scientific teams to ensure reliable, scalable, and secure network operations that support continuous global access to genomic data.
Job Responsibilities
Set up, configure, and deploy virtual machines in response to varying data submission and processing loads.
Monitor and manage network infrastructure to ensure continuous server availability and minimize downtime.
Manage relationships with network providers and ensure service-level agreements (SLAs) are met.
Implement network security measures, including firewalls, VPNs, and intrusion detection/prevention systems.
Troubleshoot network issues, identify root causes, and implement corrective actions to restore services promptly.
Conduct regular performance assessments and capacity planning to anticipate infrastructure scaling needs.
Support disaster recovery and failover mechanisms to ensure uninterrupted platform operation.
Collaborate with compute and application teams to integrate network services with backend systems.
Maintain documentation of network configurations, performance logs, and provider agreements.
Stay up-to-date with best practices in networking, virtualization, and infrastructure automation.
Job Requirements
Bachelor degree in Information Technology, Computer Networking, Systems Engineering, or a related field with at least 5 years of relevant experience.
Strong technical background in networking (LAN, WAN, VPNs, firewalls, and routing protocols etc).
Experience with virtualization platforms (e.g., VMware, KVM, Hyper-V, or cloud equivalents).
Familiarity with server load balancing, redundancy, and failover solutions.
Hands-on experience with network monitoring tools and diagnostic utilities.
Knowledge of Linux/Unix environments and system administration.
Understanding of cybersecurity principles and network security implementation.
Strong troubleshooting and problem-solving skills, with ability to respond effectively under pressure.
Excellent communication skills and ability to work in a multidisciplinary, global team.
Motivation to support global health research by ensuring robust and secure network infrastructure.
The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.
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The IT (Compute Infrastructure) Engineer is responsible for ensuring that the servers, compute clusters, and supporting systems of our global data platform remain fully operational and optimized for performance. This role focuses on monitoring infrastructure health, performing maintenance, and addressing technical issues in a timely manner to support uninterrupted global data curation, analysis, and sharing.

The candidate will work closely with system administrators, developers, and scientists to ensure high availability and reliability of compute resources required for large-scale genomic data processing and visualization tools.

Job Responsibilities:

• Monitor and manage the performance, availability, and capacity of servers, compute clusters, and related systems.
• Conduct regular system maintenance, including updates, patches, upgrades, and backups, to ensure security and stability.
• Troubleshoot and resolve hardware, network, and software issues affecting compute infrastructure.
• Perform repair and replacement of faulty components in servers, storage systems, or networking equipment as needed.
• Collaborate with technical teams to optimize system configurations for large-scale genomic data workflows and analysis.
• Implement monitoring solutions and alerts to proactively identify and address infrastructure bottlenecks or failures.
• Support disaster recovery planning and execution, ensuring minimal downtime during incidents.
• Maintain system documentation, including configuration records, maintenance logs, and technical manuals.
• Ensure compliance with institutional IT security and data protection policies.
• Contribute to scaling infrastructure in alignment with growing global user demands and evolving scientific needs.

Job Requirements:

• Bachelor degree in Information Technology, Computer Engineering, Systems Administration, or a related field with at least 5 years of relevant experience.
• Strong experience in server administration (Linux/Unix-based environments preferred).
• Hands-on experience with monitoring tools, system diagnostics, and performance tuning.
• Knowledge of networking protocols, storage systems, and virtualization technologies.
• Familiarity with high-performance computing (HPC), cluster management, or cloud infrastructure is an advantage.
• Candidates with software engineering experience will have an advantage.
• Ability to conduct hardware diagnostics, maintenance, and replacement procedures.
• Understanding of security best practices for compute infrastructure.
• Strong troubleshooting skills and ability to work under pressure in critical situations.
• Effective communication skills and ability to work collaboratively with multidisciplinary teams.
• Motivation to support global health research by ensuring reliable compute infrastructure.

The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.

The IT (Compute Infrastructure) Engineer is responsible for ensuring that the servers, compute clusters, and supporting systems of our global data platform remain fully operational and optimized for performance. This role focuses on monitoring infrastructure health, performing maintenance, and addressing technical issues in a timely manner to support uninterrupted global data curation, analysis, and sharing.

The candidate will work closely with system administrators, developers, and scientists to ensure high availability and reliability of compute resources required for large-scale genomic data processing and visualization tools.

Job Responsibilities:

• Monitor and manage the performance, availability, and capacity of servers, compute clusters, and related systems.
• Conduct regular system maintenance, including updates, patches, upgrades, and backups, to ensure security and stability.
• Troubleshoot and resolve hardware, network, and software issues affecting compute infrastructure.
• Perform repair and replacement of faulty components in servers, storage systems, or networking equipment as needed.
• Collaborate with technical teams to optimize system configurations for large-scale genomic data workflows and analysis.
• Implement monitoring solutions and alerts to proactively identify and address infrastructure bottlenecks or failures.
• Support disaster recovery planning and execution, ensuring minimal downtime during incidents.
• Maintain system documentation, including configuration records, maintenance logs, and technical manuals.
• Ensure compliance with institutional IT security and data protection policies.
• Contribute to scaling infrastructure in alignment with growing global user demands and evolving scientific needs.

Job Requirements:

• Bachelor degree in Information Technology, Computer Engineering, Systems Administration, or a related field with at least 5 years of relevant experience.
• Strong experience in server administration (Linux/Unix-based environments preferred).
• Hands-on experience with monitoring tools, system diagnostics, and performance tuning.
• Knowledge of networking protocols, storage systems, and virtualization technologies.
• Familiarity with high-performance computing (HPC), cluster management, or cloud infrastructure is an advantage.
• Candidates with software engineering experience will have an advantage.
• Ability to conduct hardware diagnostics, maintenance, and replacement procedures.
• Understanding of security best practices for compute infrastructure.
• Strong troubleshooting skills and ability to work under pressure in critical situations.
• Effective communication skills and ability to work collaboratively with multidisciplinary teams.
• Motivation to support global health research by ensuring reliable compute infrastructure.

The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.

The IT (Network Infrastructure) Engineer is responsible for ensuring 24/7 server availability and network stability to support our global platform for pathogen data sharing. This role focuses on setting up, deploying, and maintaining virtual machines based on data submission demands, while managing networks and network service providers to ensure uninterrupted connectivity.

The candidate will work closely with compute engineers, system administrators, and scientific teams to ensure reliable, scalable, and secure network operations that support continuous global access to genomic data.

Job Responsibilities:

· Set up, configure, and deploy virtual machines in response to varying data submission and processing loads.

• Monitor and manage network infrastructure to ensure continuous server availability and minimize downtime.
• Manage relationships with network providers and ensure service-level agreements (SLAs) are met.
• Implement network security measures, including firewalls, VPNs, and intrusion detection/prevention systems.
• Troubleshoot network issues, identify root causes, and implement corrective actions to restore services promptly.
• Conduct regular performance assessments and capacity planning to anticipate infrastructure scaling needs.
• Support disaster recovery and failover mechanisms to ensure uninterrupted platform operation.
• Collaborate with compute and application teams to integrate network services with backend systems.
• Maintain documentation of network configurations, performance logs, and provider agreements.
• Stay up-to-date with best practices in networking, virtualization, and infrastructure automation.

Job Requirements:

• Bachelor degree in Information Technology, Computer Networking, Systems Engineering, or a related field with at least 5 years of relevant experience.
• Strong technical background in networking (LAN, WAN, VPNs, firewalls, and routing protocols etc).
• Experience with virtualization platforms (e.g., VMware, KVM, Hyper-V, or cloud equivalents).
• Familiarity with server load balancing, redundancy, and failover solutions.
• Hands-on experience with network monitoring tools and diagnostic utilities.
• Knowledge of Linux/Unix environments and system administration.
• Understanding of cybersecurity principles and network security implementation.
• Strong troubleshooting and problem-solving skills, with ability to respond effectively under pressure.
• Excellent communication skills and ability to work in a multidisciplinary, global team.
• Motivation to support global health research by ensuring robust and secure network infrastructure.

The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.

MHA - Internal Security Department (ISD)

Permanent

What the role is

ISD confronts and addresses threats to Singapore's internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists. A fulfilling and rewarding career awaits those who want to join in ISD's critical mission of keeping Singapore safe, secure and sovereign for all Singaporeans.
You will be part of a dynamic team responsible for the delivery of modern ICT infrastructure projects that will enhance the efficiency, resiliency and scalability of the infrastructures.

What you will be working on

• Exploration and evaluation of solutions to meet the infrastructure modernisation requirements

• Collaborate with internal stakeholders as well as private industry partners

• Plan and coordinate for project designs to comply with the Enterprise Architecture and policies

• Manage project life-cycle until project commissioning

• Adopt procurement strategy and approach to achieve successful ICT contracts.

• Conduct procurement functions in accordance with policies, principles and procedures prescribed by the Singapore Government

What we are looking for

• Experience in procurement and contracts management / administration in the ICT industry will be preferred

• Knowledge or prior experience in Government ICT procurement would be an added advantage

• Knowledge of Infrastructure technologies will be preferred

• Good command of written and spoken English

• Strong analytical skills and communication skills

• Ability to coordinate, organise, prioritise and multi-task

• Versatile in learning and strong interests to keep up-to-date with changes in technology and best industry practices

• Good team player who is able to work effectively at all levels of an organisation, with the ability to contribute constructive and practical ideas

• Only Singaporeans need
We wish to inform that only shortlisted candidates will be notified.

About MHA - Internal Security Department (ISD)

The Internal Security Department (ISD) confronts and addresses threats to Singapore's internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists.
At the heart of our work are the collection of intelligence that enables us to size up the threats to Singapore's internal security, and taking the executive actions necessary to overcome those threats. Every day, we collect and analyse intelligence, make impartial assessments, and take decisive action to counter the threats to Singapore's internal security and stability, and sovereignty.

About your application process

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 MHA - Internal Security Department (ISD) or the wider Public Service.

Join to apply for the
ICT Infrastructure Project Management
role at
Internal Security Department .
What The Role Is
ISD confronts and addresses threats to Singapore’s internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as foreign subversive elements, spies, racial and religious extremists, and terrorists. A fulfilling and rewarding career awaits those who want to join ISD’s critical mission of keeping Singapore safe, secure, and sovereign for all Singaporeans.
You will be part of a dynamic team responsible for delivering modern ICT infrastructure projects that enhance the efficiency, resiliency, and scalability of infrastructures.
What You Will Be Working On
Exploration and evaluation of solutions to meet infrastructure modernisation requirements
Collaborate with internal stakeholders and private industry partners
Plan and coordinate project designs to comply with the Enterprise Architecture and policies
Manage project life-cycle until project commissioning
Adopt procurement strategies to achieve successful ICT contracts
Conduct procurement functions in accordance with policies, principles, and procedures prescribed by the Singapore Government
What We Are Looking For
Experience in procurement and contracts management/administration in the ICT industry (preferred)
Knowledge or prior experience in Government ICT procurement (an added advantage)
Knowledge of infrastructure technologies (preferred)
Good command of written and spoken English
Strong analytical and communication skills
Ability to coordinate, organise, prioritise, and multi-task
Interest in keeping up-to-date with technology and industry practices
Team player capable of working effectively at all organisational levels
Only Singaporeans need apply
We wish to inform that only shortlisted candidates will be notified.
Seniority level
Entry level
Employment type
Contract
Job function
Information Technology
Industries
Government Administration
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