Total 121 administrator job vacancies in Information Technology category

HPC Administrator (Linux / Cluster / System Administrator) – 1–3 Years Experience

Role Overview

We are seeking a High Performance Computing (HPC) Administrator to support the deployment, monitoring, and maintenance of HPC clusters, Linux systems, and IT infrastructure. This role is ideal for candidates with experience in Linux system administration, cluster computing, and data center environments.

Key Responsibilities

• Support daily operations of HPC clusters (compute, storage, networking)
• Monitor system performance, job scheduling (Slurm, PBS, LSF), and resource utilization
• Install, configure, and patch Linux/Unix systems (RHEL, CentOS, Ubuntu)
• Manage CPU-based servers (bare metal and virtualized environments – VMware/KVM)
• Perform system monitoring, health checks, troubleshooting, and incident management
• Assist with user onboarding, access control (LDAP/AD), and environment configuration
• Support cluster scaling, performance tuning, and HPC optimization
• Work with networking (TCP/IP, DNS) and storage systems (NAS, SAN, parallel file systems)
• Maintain technical documentation, SOPs, and runbooks

Required Skills & Experience

• 1–3 years of experience in Linux System Administration / Infrastructure Support / HPC Operations
• Exposure to HPC environments, cluster computing, or high-performance systems
• Strong hands-on experience with:Linux OS (RHEL, CentOS, Ubuntu)Server management (physical servers, virtualization)
• Understanding of:Networking fundamentals (TCP/IP, DNS, SSH)Storage technologies (NAS, SAN, distributed or parallel file systems)
• Experience with scripting (Bash, Shell, Python)
• Strong troubleshooting, problem-solving, and analytical skills

Preferred / Nice-to-Have Skills

• Experience with GPU computing / GPU clusters (NVIDIA, CUDA)
• Exposure to cloud platforms (AWS, Azure, GCP – HPC workloads)
• Familiarity with monitoring tools (Prometheus, Grafana, Nagios, Zabbix)
• Knowledge of DevOps tools (Ansible, Terraform – basic exposure)

Job Description
You will be a partner to our client and the respective stakeholders to deliver effective course management services towards achieving their operational objectives. You will carry out your responsibility and efficiently.

Pre-Course

• Liaise with Course Coordinator/Business Development team on class schedule

• Course run/intake creation in training management system & publish course on website

Course Registration

• Monitor enrolment and provide weekly update

• Verify and follow up on applicants’ minimum entry requirements and documents

• Liaise with applicants/companies on course registration matters including payment matters

Course Confirmation

• Send confirmation email to applicants and billing for company sponsored applicants

Course Preparation

• Upload timetable in training management system

• Liaise with Course Coordinator on course notes and other course logistics

Post-Course

• Ensure attendance and assessment results are updated in training management system

• Check all payment has been received

• Notify learners on their results and trigger cert issuance in training management system

Course Cancellation

• Update course status in training management system and inform course coordinator/trainer on the cancellation

Requirements
• ITE Certificate holder or higher or with relevant working experience.

• Have good English proficiency.

• Good Communication skills are required to liaise closely with Trainers.

• Possesses basic information and communication technology (ICT) skills.

• Team player.

WFO - Dover

M-F: 8.30am - 6.00pm

Position Overview

We are seeking an experienced and versatile Database Administrator (DBA) to manage, optimise, and secure our database infrastructure across multiple platforms and environments. The successful candidate will have a strong foundation in both traditional and emerging database technologies, with hands-on experience in automation, performance tuning, and cloud-based solutions.

Key Responsibilities

Database Implementation & Operations

• Implement and manage databases based on architectural designs and technical specifications.
• Deploy, configure, and maintain data storage solutions across various database models and environments.
• Manage cloud-hosted database infrastructures, optimising for cost-effectiveness, performance, and reliability.

Performance & Optimisation

• Recommend tuning strategies, indexing approaches, and operational improvements to enhance system throughput.
• Perform query optimisation and troubleshoot performance issues across relational and non-relational systems.

Data Lifecycle & Reliability

• Establish and enforce data lifecycle policies, including retention, archival, and deletion practices.
• Develop, maintain, and validate backup and recovery procedures to ensure data availability and integrity.

Security & Compliance

• Ensure database security, access control, and compliance with organisational and regulatory standards.
• Work with cross-functional teams to enforce best practices for data governance and audit requirements.

Automation & Efficiency

• Automate routine administrative tasks to improve operational efficiency and reduce manual effort.
• Leverage scripting or automation tools to support deployment, monitoring, and maintenance activities.

Requirements

• Bachelor’s Degree in Computer Science, Information Systems, or a related discipline.
• At least 5 years of experience in database administration across multiple architectures.
• Proficient in relational databases such as Microsoft SQL Server and PostgreSQL.
• Experience with NoSQL databases (e.g., Cassandra, MongoDB) is preferred.
• Familiarity with object storage systems (e.g., AWS S3, Nutanix Object Store) is advantageous.
• Knowledge of graph databases (e.g., Neo4j) and associated query languages is preferred.
• Strong foundation in performance tuning, indexing strategies, and query optimisation.
• Experience with data lifecycle management, retention, and archival strategies.
• Proficient in automation and scripting (e.g., Python, Bash, PowerShell).
• Strong analytical thinking, problem-solving capabilities, and ability to work collaboratively across teams.

What We Offer

• Opportunity to work on impactful public sector digital platforms.
• Team-first culture with collaborative Agile practices.
• Access to modern testing tools and cloud-based DevOps environments.
• Structured career progression and skills development support.

Job Description

We are looking for an experienced Database Administrator (DBA) to manage and optimise database systems across multiple platforms. This role involves ensuring high performance, security, and reliability of both on-premise and cloud-based databases, while driving automation and continuous improvements.

Responsibilities

• Implement, configure, and maintain database systems based on technical requirements
• Manage and optimise cloud-based database infrastructure for performance and cost efficiency
• Monitor and improve database performance through tuning, indexing, and query optimisation
• Troubleshoot and resolve performance and system issues across relational and non-relational databases
• Establish and enforce data lifecycle policies, including retention, archival, and deletion
• Develop and manage backup and recovery processes to ensure data integrity and availability
• Ensure database security, access control, and compliance with organisational standards
• Collaborate with cross-functional teams on data governance and audit requirements
• Automate routine database administration tasks to improve efficiency
• Support deployment, monitoring, and maintenance through scripting and automation tools

Requirements

• Bachelor’s Degree in Computer Science, Information Systems, or related field
• At least 5 years of experience in database administration across multiple environments
• Strong experience with relational databases such as Microsoft SQL Server and PostgreSQL
• Familiarity with NoSQL databases (e.g. Cassandra, MongoDB) is an advantage
• Exposure to object storage solutions (e.g. AWS S3, Nutanix Object Store) is a plus
• Knowledge of graph databases (e.g. Neo4j) is preferred
• Strong skills in performance tuning, indexing, and query optimisation
• Experience in data lifecycle management and backup strategies
• Proficiency in scripting or automation tools (e.g. Python, Bash, PowerShell)
• Strong analytical, problem-solving, and teamwork skills

(EA Reg No: 20C0312)
Please email a copy of your detailed resume to chally@talentsis.com.sg
for immediate processing.
Only shortlisted candidates will be notified.

About the Role

We are looking for a skilled and proactive Database Engineer to design, implement, and maintain robust, scalable, and secure database systems. You will play a key role in managing both cloud and on-premise data platforms, ensuring high performance, reliability, and data integrity across the organisation.

Key Responsibilities

Database Implementation & Operations

• Design, deploy, and manage databases in alignment with architectural standards and technical specifications
• Configure and maintain data storage solutions across relational, non-relational, and hybrid environments
• Manage cloud-based database infrastructures with a focus on cost efficiency, scalability, and performance

Performance & Optimisation

• Identify and implement database tuning strategies, including indexing and query optimisation
• Monitor and troubleshoot performance issues across relational and NoSQL database systems

Data Lifecycle & Reliability

• Define and enforce data lifecycle policies, including retention, archival, and deletion strategies
• Develop and maintain robust backup and recovery processes to ensure data availability and integrity

Security & Compliance

• Ensure database security, including access controls and adherence to organisational and regulatory requirements
• Collaborate with cross-functional teams to support data governance, compliance, and audit initiatives

Automation & Efficiency

• Automate routine database administration tasks to improve operational efficiency
• Leverage scripting and automation tools to streamline deployment, monitoring, and maintenance processes

Qualifications & Skills

• Bachelor’s Degree in Computer Science, Information Systems, or a related discipline
• Minimum 5 years of experience in database administration across multiple database architectures
• Strong experience with relational databases such as Microsoft SQL Server and PostgreSQL
• Hands-on experience with NoSQL databases (e.g., Cassandra, MongoDB) is an advantage
• Familiarity with object storage solutions such as AWS S3 or Nutanix Object Store
• Knowledge of graph databases (e.g., Neo4j) is a plus
• Strong expertise in performance tuning, indexing, and query optimisation
• Experience in data lifecycle management, including retention and archival strategies
• Proficient in scripting and automation using Python, Bash, or PowerShell
• Strong analytical thinking, problem-solving abilities, and stakeholder collaboration skills

Work Location: One North

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

• Monitor the overall progress of Alumni Database collation.
• Compile and consolidate alumni information from multiple sources (e.g. internal databases, spreadsheets, etc)
• Clean and standardise data (e.g. names, personal email and programme) and de-duplicate records to ensure consistency and accuracy
• Verify and update alumni records via email or other communication channels (Yearbook, LinkedIn)
• Track response rates and maintain proper documentation of follow-ups
• Identify data gaps and systematically follow up to improve completeness
• Assist in designing and distributing data collection forms/surveys (e.g. Google Forms)
• Ensure proper data entry and organisation into the School’s alumni database
• Identify missing or incomplete information and follow up accordingly
• Assist in creating and managing data collection tools (e.g. surveys, forms)
• Maintain confidentiality and ensure compliance with data protection guidelines (e.g. PDPA)
• Assist in executing Token of appreciation for Alumni and follow up with vendors.
• Prepare progress reports for meeting updates (e.g. completion rates, response trends, data quality issues)
• Support alumni data update campaigns (e.g. “Alumni Career Update”)
• Assist in drafting and sending mass communications (email templates, reminders)

Requirements:

• Minimum Diploma in a relevant field or higher qualification
• Prior experiences in administration and data entry.
• Well-versed in Microsoft Office Application, especially Excel and Microsoft Forms.
• Comfortable with large datasets and able to manage repetitive administrative tasks effectively

Interested candidates please send in your resume to:
Topaz Liang Huimin (CEI No. R1104500), email to: west1@recruitexpress.com.sg

EA License No: 99C4599

Responsibilities

• Operate and maintain HPC network fabric and data centre switching infrastructure, ensuring performance and reliability
• Manage network configuration, monitoring, backups, and capacity/utilisation reporting
• Troubleshoot and resolve network issues across Layer 2/3, routing, and switching environments
• Support SDN, firewall, and VPN administration to ensure secure and stable operations
• Work closely with system, storage, and security teams to optimise overall cluster performance
• Participate in on-call rotation to support critical network incidents and escalations
• Maintain network documentation, runbooks, and change records in line with ITIL practices

Requirements

• At least 2 years of experience in network support, monitoring, or troubleshooting within enterprise or HPC environments
• Hands-on experience with data centre networking, SDN, firewalls, and VPN technologies
• Strong understanding of TCP/IP, VLANs, and routing protocols such as OSPF and BGP
• Familiar with network monitoring tools and able to troubleshoot effectively under pressure

Tyson Jay Management Pte Ltd | EA License No.: 24C2479

Ivan Lim | EA Personnel No.: R1109856

Job Summary

You will maintain accurate data inputs into the company database by organizing, updating, filing, and scanning documents. You will assist with internal document distribution and perform data entry for invoices, bills, and service reports while supporting office administrative tasks.

Responsibilities

• Organize, update, file, and scan documents to maintain accurate records
• Assist in internal distribution of documents, including stamping, photocopying, and scanning
• Prepare and enter data for invoices, bills, and service reports to ensure timely processing
• Regularly update and maintain existing data records for accuracy and completeness
• Perform office administrative and clerical tasks to support daily operations
• Handle ad-hoc duties as assigned to meet team and organizational needs
• Maintain confidentiality and securely handle sensitive information
• Use data entry software, Microsoft Office applications (Excel, Word), and Cloud-based applications effectively
• Manage time and tasks efficiently to meet deadlines and support team goals
• Collaborate reliably as a self-motivated team player

Other Information

• Working hours: Monday - Friday, 8:30am - 6:00pm
• Flexi time arrangement available
• Work Location: Kaki Bukit
• In Heatology, we are committed to creating an inclusive environment for all employees.

Responsibilities

• The System Administrator will operate as a Level 1 / Level 1.5 support role in a 24x7 enterprise environment, responsible for proactive monitoring, initial diagnosis and escalation of incidents.

• Administration and management of IT Infrastructure and data centre support, which include basic systems, network, database and application support.

• Respond to the incoming alerts (system triggered, e-mail etc.)

• Monitor infrastructure and applications using monitoring tools (SolarWinds, Grafana)

• Assess incoming alerts to understand their severity, and impact before escalating

• Log, update and manage incidents, requests and changes in ITSM tools (ServiceNow)

• Perform basic health checks, service restarts and routine operational task

• Follow documented support procedures for incident management, which include identifying and determining the root cause and resolving the incident or escalate to the appropriate resolver group according to SLA (Service level Agreement).

• Maintenance of technical documentation (for NOC) of processes and procedures used throughout normal operations.

Requirements

• Recognized Diploma in Electrical / Electronic / Computer Engineering / Information Systems

• Possess basic working knowledge and hands-on experience in Windows Server and/or Linux and/or Unix Systems administration

• Good analytical and trouble-shooting skills in the area of technical fault isolation and rectification.

• Customer-oriented, patient, meticulous and a strong team player.

• Strong & effective communication and interpersonal skills with desire to work as part of a team.

• Aptitude to learn and pick up new skillsets in Systems and Network related Technologies as part of career progression and advancement.

• Willing and able to perform 12-hour Shift Work including weekends and public holidays.

Shortlisted candidates will be offered an Agency Contract.  Agency Contract duration is till 31 March 2027

Licence no: 12C6060

Responsibilities

• Manage the full OS lifecycle including installation, configuration, patching, and upgrades across HPC environments
• Monitor system performance across compute nodes, login nodes, and HCI infrastructure, ensuring reliability and uptime
• Perform troubleshooting and root cause analysis for system-level issues and incidents
• Support configuration management and automation using scripting and relevant tools
• Work with internal and external teams to resolve incidents and maintain service continuity
• Participate in on-call rotation to support critical escalations
• Ensure adherence to operational standards, documentation practices, and ITIL processes

Requirements

• At least 3 years of experience in HPC, system administration, or infrastructure operations
• Strong hands-on experience with Linux (preferably Red Hat Enterprise Linux)
• Familiar with cluster management, job scheduling, and monitoring tools
• Proficiency in scripting (e.g. Bash, Python) and configuration management tools (e.g. Ansible, Puppet, Chef)

Tyson Jay Management Pte Ltd | EA License No.: 24C2479

Ivan Lim | EA Personnel No.: R1109856

Database Administrator (Oracle / Cloud) – Financial Services

Role Overview

We are hiring an experienced Database Administrator to support the resilience, performance, and availability of a mission-critical multi-platform database environment. This role sits within a global team and focuses on database administration, optimisation, support, and continuous improvement across development, testing, and production.

You will play a key role in performance tuning, high availability, incident support, patching, automation, and platform reliability within a 24/7 environment.

Key Responsibilities

1. Administer and support Oracle Exadata / Oracle database platforms in a high-availability environment.
2. Manage database performance, capacity planning, tuning, backup/recovery, and failover readiness.
3. Deliver patching, upgrades, security hardening, and lifecycle management .
4. Provide L2/L3 production support , troubleshoot incidents, perform root cause analysis, and implement long-term fixes.
5. Partner with development, infrastructure, and support teams to ensure reliable database services.
6. Contribute to monitoring, automation, observability, and operational tooling improvements.
7. Support broader database technologies including SQL Server, PostgreSQL, MySQL, and NoSQL platforms where required.
8. Maintain documentation, runbooks, and support compliance and change management standards.

Required

1. Strong experience as an Oracle DBA supporting critical production systems.
2. Expertise in Oracle Exadata, RAC, Data Guard, RMAN , and related technologies.
3. Deep knowledge of Oracle performance tuning , including SQL tuning and diagnostic tools (AWR/ASH/ADDM).
4. Experience with backup/recovery, upgrades, patching, and high availability architectures .
5. Linux/Unix administration and shell scripting skills.
6. Experience working in regulated or highly controlled environments .

Preferred

1. Exposure to OCI and cloud database services .
2. Experience with Terraform, Ansible, automation , and monitoring tools.
3. Knowledge of multiple database platforms beyond Oracle.
4. Background in financial services or other low-latency, high-availability environments is advantageous.

R1105492

23C1935

Job Description & Requirements

Key Responsibilities:

· Manage and administer Oracle databases (versions 12c, 19c, and newer) in production and development environments.

· Perform advanced database performance tuning, query optimization, and index management.

· Design and implement high availability (HA), disaster recovery (DR), and backup strategies (RMAN, Data Guard).

· Automate routine database tasks using PL/SQL, Shell scripting, or Ansible.

· Apply patches, perform upgrades/migrations (on-prem and cloud), and manage version control.

· Implement and enforce database security, roles, and user access controls.

· Monitor database health and proactively identify and resolve potential issues.

· Provide L3 support for escalated incidents and lead root cause analysis.

· Collaborate with development, infrastructure, and DevOps teams to support application and system integration.

· Participate in on-call rotation and support weekend deployments when necessary.

· Document architecture, configurations, and procedures for audit and knowledge transfer.

Requirements

· Bachelor's degree in Computer Science, Information Technology, or related field.

· 6 years of hands-on Oracle DBA experience with at least 3 years in a senior/L3 role.

· Expertise in Oracle, ASM, RMAN, Data Guard, and GoldenGate.

· Strong knowledge of Oracle internals, performance diagnostics (AWR, ASH, TKPROF), and troubleshooting tools.

· Experience with cloud platforms (OCI, AWS RDS for Oracle, or Azure Database for Oracle).

· Familiarity with ITIL processes and incident/change/problem management.

· Scripting experience (Shell, Python, or similar) for automation and monitoring.

· Excellent communication skills and the ability to work in a high-pressure environment.

· Willing to Learn SAP HANA

Job Description & Requirements

Job Responsibilities:

• Address and resolve database incidents promptly to minimize downtime.

• Monitor events, handle alerts, and manage database outages to restore services quickly.

• Process service requests for database changes and enhancements.

• Perform root cause analysis to prevent recurring database issues.

• Support the implementation of standard and custom database builds.

• Provide operational support for HANA and MS-SQL databases.

• Ensure adherence to backup and recovery processes.

• Optimize database performance and manage alert monitoring.

• Decommission systems/servers following proper protocols as needed.

Job Requirements:

• Bachelor’s degree or equivalent in Computer Science or related field

• Strong experience with HANA and MS-SQL databases.

• 2 - 5 years of experience in database administration, with a focus on HANA and MS-SQL..

• Bachelor's Degree / Diploma in Computer Engineering or any related field.

• Proficiency in RDBMS management and administration.

• Knowledge of backup, recovery, and decommissioning processes.

• Experience in incident management and database performance optimization in a 24x7 environment.

• Experience managing database outages and coordinating effective recovery.

• Familiarity with alert monitoring and performance optimization.

• Strong problem-solving and troubleshooting abilities.

• Ability to work under pressure in a 24x7 support environment.

• Effective communication skills for incident and service request management.

• Prior experience in 24x7 operational support.

• Willing to Learn SAP HANA

In order to be able to manage our strong growth and our IT transformation, we are looking for actors in engine and databases deployment. Inside the CoC Database team, you will work in an international context on the deployment projects in operational condition of the future database servers for which we are responsible.

Your role is mainly to manage deployment tasks on intermediate level (L2).

• Work using ticketing tool (BMC Helix), to manage the requests queue;
• Work with or use our deployment tools (Terraform and Octopus) to be able to deploy packaged Operating System, packaged database engines and packaged databases;
• Be able to understand our deployment and to perform checks to guarantee the delivery;
• Cooperate closely with Project Managers to know priorities;
• Cooperate closely with the rest of IT Infrastructure & Operations, Architecture and Security teams;
• Communicate with our customer to offer a real customer service;
• Hands-on configure and deployment the most crucial elements of Eurofins global database platforms;
• Manage First and 2nd level of technical support IT Incidents and communicate with our customers or services;
• Respect processes and documentation;
• Forward bottleneck issue or process issue to contribute to continuous improvement.

• Use tools like SQL Profiler, Performance Monitor, and Extended Events to diagnose and fix slow queries.
• Install and configure SQL Server instances, including clustering and high availability setups.
• Design efficient database schemas, indexes, and stored procedures.
• Optimize queries and performance tuning.
• Develop scripts using PowerShell and T-SQL for automated maintenance tasks.
• Implement automated backup strategies (full, differential, log backups).
• Ensure disaster recovery and high availability (HA) using replication, mirroring, Always On Availability Groups.
• Manage user roles, permissions, and authentication mechanisms.
• Implement encryption and data masking techniques.
• Set up failover clustering, log shipping, replication, and Always On features.
• Optimize MongoDB queries using indexes and aggregation pipelines.
• Address database corruption, deadlocks, and performance bottlenecks.
• Manage migrations between different SQL Server versions and cloud environments (Azure SQL).
• Install and configure MongoDB instances (standalone, replica sets, sharded clusters).
• Design efficient NoSQL schemas using collections, documents, and indexing strategies.
• Configure backup strategies (mongodump, snapshots) and recovery plans.
• Manage user roles, authentication (LDAP, x.509), and encryption.
• Use tools like mongostat, mongotop, and Atlas monitoring for performance optimization.
• Set up and maintain replica sets for high availability.
• Configure sharding for handling large datasets.
• Automate administrative tasks using scripts in Python, Bash, or JavaScript.
• Analyze logs (mongod.log) and resolve issues like slow queries, connection failures.
• Manage MongoDB instances on cloud platforms (AWS, Azure, MongoDB Atlas).
• Implement CI/CD pipelines with MongoDB integrations.