197 System Administration jobs in Singapore

SAP Basis Consultants play a pivotal role in ensuring the seamless operation of SAP systems. As such, we are seeking an experienced professional to oversee and support SAP system operations, maintenance, and enhancements.

• Responsibilities will include managing day-to-day stability and performance of SAP systems;
• Supporting enhancement and modernization of overall SAP landscape, including integrated systems;
• Planning and performing SAP system upkeep activities, including applying patches and executing upgrades;
• Administering SAP databases such as Oracle, HANA, and MaxDB;
• Assisting in managing user roles and access rights within the SAP framework;
• Collaborating with a global team to drive aligned outcomes.

Qualifications

• Bachelor's degree in Computer Science, Information Systems or Financial Engineering;
• At least two years of experience in SAP Oracle administration;
• Experience working on SAP Oracle management and cloud-based SAP environments;
• Proficiency in administrating SAP databases such as Oracle, HANA, and MaxDB;
• Excellent interpersonal and collaboration skills;
• Strong written and verbal communication skills.

Preferred Qualifications

• Familiarity with SAP HANA.

Key Skills

• Exceptional problem-solving abilities;
• Strong analytical skills;
• Effective time management skills;
• Ability to work independently and collaboratively;
• Adaptability and flexibility;
• Proven track record of delivering results.

As a key player in our team, you will be responsible for ensuring the smooth operation of Splunk services. This includes performing checks and troubleshooting to guarantee that all environments are running as intended.

We are looking for an experienced professional with a strong background in Splunk system administration. You should possess a deep understanding of Splunk Enterprise Certified Admin certifications or equivalent.

• Experience working on Splunk system
• Possess Splunk Enterprise Certified Admin certifications or equivalent.

The successful candidate will be responsible for maintaining and monitoring Splunk infrastructure including Search Heads, Indexers, Forwarders, Deployment Server, Cluster Master, etc.

Key responsibilities include:

• Performing checks and troubleshoot if necessary, to ensure that the Splunk forwarders are working and can pipe logs back to Splunk systems.
• Ensuring uptime and system health via monitoring, tuning, and log analysis (including introspection, metrics logs).
• Deploying and testing system changes in non-production environments when required.
• Monitoring Security advisory, new releases, notifications and maintenance expiry dates for all Software used in the System and assessing the impact, if any.
• Investigating problems and providing assistance to triage issues.
• Tracking and reporting issues, support cases and incident resolutions on a weekly basis.

Some of the benefits of this role include:

The opportunity to work with a talented team of professionals in the field of Splunk system administration.

A competitive salary package.

Regular training and development opportunities to enhance your skills and knowledge.

• At least a Diploma in Engineering (Electrical/Electronic), Computer Science/Information Technology or equivalent.
• Must have at least 1-2 years of Server experience.
• Able to work on scheduled standby on rotating weeks.

Job Title: Senior Unix System Administrator
Employment Type: Permanent

A leading payment company is seeking a Senior Unix System Administrator to join its Infrastructure Services Team. This role plays a critical part in maintaining the stability, security, and performance of the company’s core systems that support nationwide real-time and batch payment services.

The ideal candidate is a seasoned system administrator with strong experience in Unix/Linux environments, disaster recovery planning, and infrastructure monitoring in a regulated, high-availability environment.

System Administration & Maintenance

• Manage and maintain Unix (Solaris) and Linux-based systems across production, DR, and test environments.
• Implement OS-level patches, security hardening, and system upgrades.
• Ensure scheduled backups and database archival for data recoverability and business continuity.
• Support disaster recovery strategy and execute regular DR drills.
• Monitor system obsolescence and manage password/certificate renewals.
• Maintain UAT environments and deployment tools for application updates.

Incident & Problem Management

• Provide Level 2/3 support for system-related incidents, resolving issues per SLA.
• Conduct root cause analysis and implement preventive measures.

Change & Release Management

• Coordinate deployment and release of system updates and application changes.
• Package and deploy applications using deployment automation tools.

Configuration, Capacity & Performance Management

• Maintain configuration records of all production infrastructure components.
• Monitor and tune system performance; plan for capacity upgrades when necessary.

Process & Project Support

• Align system processes with internal security and compliance policies.
• Provide infrastructure support to projects and enhancements.

Documentation

• Produce and maintain accurate technical documentation for systems and processes.

• Bachelor’s degree in Computer Science, Information Technology, or a related discipline.
• Minimum 8 years of relevant experience in Unix/Linux system administration.
• Experience with SAN, OS hardening, patching, and backup solutions in enterprise settings.
• Strong scripting skills (e.g., Shell, Python) for automation on Unix/Linux platforms.
• Familiarity with database operations and data center processes is advantageous.
• Able to support 24/7 operations on a rotational basis, including weekends and off-hours.
• Effective communicator with strong analytical and troubleshooting skills.
• Certifications in Unix/Linux system administration are preferred.
• Cloud platform administration certifications are a plus (e.g., AWS, Azure).

Why Join?

• Be part of a national payment infrastructure serving millions daily.
• Work on critical systems in a high-availability and high-security environment.
• Career growth in a stable, reputable financial technology ecosystem.

Salary: Up to SGD 9,000/month
Apply now if you are looking for a mission-critical role in one of Singapore’s most important digital payment infrastructures.

A high-profile system administration role is available at a leading global technology organization in Singapore.

This position involves overseeing and maintaining the overall health and performance of Windows-based systems, ensuring seamless day-to-day operations.

The ideal candidate will possess strong technical expertise and excellent problem-solving skills to tackle complex issues that may arise.

• Responsibilities include administering, troubleshooting, and upgrading Windows servers, as well as implementing system hardening practices to enhance security.
• Management of Active Directory, DNS, DHCP, and storage systems to guarantee optimal system availability.
• Configuration and support of Microsoft clusters, RAID storage, and virtualization platforms like VMware and cloud environments such as AWS for superior performance.
• Oversight of file system quotas, FTP/SFTP configurations, and storage space management to maintain data integrity.

• A minimum of five years' experience in Windows system administration or related fields is required.
• Candidates must hold a Bachelor's degree in Computer Engineering, Science, or a relevant Diploma from a recognized institution.
• Certifications like MCSE or VMware are highly valued for enhanced skill validation.
• Strong knowledge of cloud operations, especially AWS deployment and migration.
• Excellent communication skills and a customer-focused approach to problem solving are essential.

About Company:
Our client deals with IT consultancy services, system integration and solutions.

Job Description:
- Responsible to maintenance of Computer-based Information System or Networking
- Support the daily system operations to ensure smooth operations
- Attend to queries and troubleshooting
- Other ad hoc duties as assigned by the manager

Job Requirements:
- At lease Diploma or Degree in Engineering, ICT, IT or Computing
- Minimum 3 years of experience in maintenance of Computer-based Information System or Networking
- Higher Nitec or Nitec or NTC or ITC are welcome to apply. Preferably having minimum 7 years of the said experience
- Personnel with maintenance experience related to the system's hardware or software will be an added value
- Experienced in Linux/Windows
- Will be an add advantage if having IT Admin experience
- Have IT Network related experience
- Have a valid class 3 driving license
- Willing to work shift

Compensation:
- Work location: Changi, Singapore
- Working hours: 12 hours shift (From 8am to 8pm / 8pm - 8am)
- Shift allowance of S$200 per month
- Annual leaves
- Medical benefits

As a Field Engineer, you will be responsible for the installation, troubleshooting, and maintenance of RFID/IoT systems across multiple client sites. This role requires technical expertise, hands-on problem-solving, and client communication skills to ensure system reliability and performance.

• Installation and setup of RFID/IoT systems.
• Troubleshooting and resolution of technical issues.
• Maintenance and upgrade of existing systems.

This role requires the following technical skills:

• Proficiency in RFID/IoT technologies.
• Strong problem-solving and analytical skills.
• Excellent communication and interpersonal skills.

As a Field Engineer, you can expect a competitive salary and benefits package, including:

• A comprehensive health insurance plan.
• A 401(k) retirement savings plan.
• A generous paid time off policy.

In this role, you will have the opportunity to work with cutting-edge technology, develop your skills and knowledge, and advance your career in a dynamic and supportive environment.