Total 181 database administrator job vacancies in Information Technology category

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 Description & Requirements

Key Responsibilities:

System Administration

• Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising of Sun Solaris servers and Linux-based servers
• Perform system upgrade and enhancement on IT infrastructure components
• Implement operating system and product-specific security hardening and patches
• Monitor obsolescence of IT infrastructure components (systems)
• Monitor expiry and perform renewal of system passwords and certificates
• Implement a schedule of system backups and database archive operations to ensure data recoverability and business continuity
• Develop and implement disaster recovery plans for IT infrastructure (systems) and conduct regular disaster recovery testing and component switchover exercises to ensure usability of standby and DR equipment
• Manage the application User Acceptance Test (UAT) and upkeep the use of UAT environment
• Document middleware platforms and related infrastructure as directed with respect to functionality, maintenance, and administration.
• Provides technical support and guidance (level 3) to end-users, and other IT resources.

Incident and Problem Management

• Provide second level system support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
• Perform problem diagnosis on incidents and propose and implement measures to prevent recurrence

Change and Release Management

• Schedule and release system changes to production environment in accordance with the change management process / procedures
• Create deployment packages for application changes using the application deployment tool

Configuration Management

• Develop and maintain a comprehensive operating system hardware and software configuration database / library of all IT infrastructure components used in the production environment

Capacity and Performance Management

• Perform infrastructure capacity monitoring and planning
• Monitor and perform performance tuning to optimize system performance

Process Management

• Devise and implement the underlying processes supporting IT service management, in conformance to corporate security policies and guidelines

Project Management and Support

• Provide systems support to projects in accordance with the project timeline
• Manage infrastructure enhancement in accordance with established guidelines

Documentation

• Develop and maintain technical and process documents to upkeep IT infrastructure

Requirements:

Education and Qualification

• Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field
• Minimum 8 years of experience in system administration and support in Middleware, Unix and Linux systems

Skills and Knowledge

• Experience in working with SAN for Unix and Linux Platforms
• Experience in performing OS hardening and patching
• Experience with enterprise backup and system monitoring and management software
• Proficient in scripting for Unix and Linux-based environments to automate tasks
• Familiar with database administration and data centre operations will be an advantage
• Provide 24/7 support on a rostered basis
• Provide weekend and after office hours support for change implementation (for critical production services)
• Excellent ability to communicate technical and strategic information effectively across all organisational levels, fostering collaboration and alignment
• Strong interpersonal skills and able to work independently as well as in a team
• Demonstrate good analytical and problem-solving abilities
• Self-starter and possess a customer-oriented mindset
• Resilient, ability to multi-task and operate in a fast-paced environment

Professional Certifications

• Unix and Linux Certified System Administrator certifications
• Industry certification for public cloud administration preferred

We are looking for a detail-oriented Data Entry Administrator to support daily administrative and data management tasks. The role involves accurate data input, record keeping, and assisting with general office operations.

• Answer phone calls.
• Enter, update, and maintain data in systems and database
• Verify accuracy of data and correct any errors
• Prepare, sort, and organize documents for data entry
• Maintain proper filing (physical and digital records
• Generate basic reports when required
• Assist with administrative tasks (emails, printing, scanning, etc.)
• Ensure confidentiality of sensitive information
• Any other ad hoc duties assigned.

• Install, configure, and maintain Oracle Solaris and Linux-based systems.
• Manage system performance, backups, patching, and capacity management.
• Perform system upgrades, security hardening, and troubleshooting.
• Develop and maintain Unix shell scripts to automate routine operational tasks.
• Implement infrastructure automation using modern tools as applicable (e.g. Ansible, Python).
• Manage user access, security controls, and audit support, periodic reviews and compliance requirements.

Requirements

• Diploma or Bachelor’s degree in Information Technology, Engineering, or equivalent practical experience.
• At least 5 years of hands-on and strong proficiency with Linux administration.
• Strong experience with Solaris, MySQL, Sybase, and virtualization technologies.

Interestedapplicants, please contact us at +65 9676 2782 for a confidential discussion

RegistrationNo: R1980894

Onlysuccessful candidates will be notified.

Key Responsibilities:

Database Implementation & Operations

• Implement and manage databases based on architectural and technical requirements
• Deploy, configure, and maintain data storage across diverse environments (cloud/on-prem)
• Manage cloud databases with a focus on cost, performance, and reliability

Performance & Optimisation

• Optimise database performance through tuning, indexing, and query enhancement
• Troubleshoot issues across relational and NoSQL systems

Data Lifecycle & Reliability

• Define and enforce data lifecycle policies (retention, archival, deletion)
• Develop and maintain backup and recovery processes to ensure data integrity

Security & Compliance

• Ensure database security, access control, and regulatory compliance
• Support data governance and audit requirements with stakeholders

Automation & Efficiency

• Automate administrative tasks using scripting and tools
• Improve deployment, monitoring, and maintenance processes

Requirements:

• Bachelor’s Degree in Computer Science, Information Systems, or related field
• 5+ years of database administration experience across multiple architectures
• Strong proficiency in SQL databases (e.g., Microsoft SQL Server, PostgreSQL)
• Experience with NoSQL databases (e.g., Cassandra, MongoDB) is a plus
• Familiarity with object storage (e.g., AWS S3, Nutanix) and graph databases (e.g., Neo4j) preferred
• Expertise in performance tuning, indexing, and query optimisation
• Experience in data lifecycle management and backup strategies
• Proficient in scripting (Python, Bash, PowerShell)
• Strong analytical, problem-solving, and stakeholder management skills

(EA Reg No: 20C0312)

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

We are looking for a hands-on DBA to support mission-critical 24/7 systems in a secure environment.

This role focuses on production stability, high availability, performance tuning, and incident management across SQL Server and MongoDB platforms.

Key Responsibilities

• Provide L2/L3 support for MSSQL and MongoDB in Production and DR environments
• Troubleshoot incidents, outages, failovers, and performance issues
• Manage high availability setups (SQL Always On, MongoDB Replica Sets)
• Perform backup, restore, and disaster recovery validation
• Optimize queries, indexing, and database performance
• Support deployment, data migration, and release activities
• Ensure security, access control, and compliance in regulated environments

Requirements

• 5–8+ years of DBA experience
• Strong hands-on experience with:Microsoft SQL Server (Always On, performance tuning)MongoDB (replica sets, backup/restore)
• Experience supporting 24/7 production systems and critical incidents
• Strong troubleshooting and analytical skills

Nice to Have

• Experience in Singapore Government or regulated environments
• Exposure to Kafka, APIs, ETL, or microservices architectures
• Familiarity with ITIL / structured incident management processes

Job Summary

We are looking for a seasoned SQL Server Database Specialist with hands-on experience in Microsoft SQL Server environments. The ideal candidate will have strong expertise in T-SQL scripting, stored procedure development, and advanced performance tuning, ensuring high-performing, reliable, and optimized database solutions.

Mandatory Skill-set

• Degree in Information Technology, Computer Engineering, Computer Science or equivalent;
• Must have 4 – 7 years of hands-on experience with Microsoft SQL Server;
• Expertise in T-SQL scripting and stored procedure development, with a focus on writing efficient, optimized code;
• Strong knowledge of query optimization, index design, and execution plan analysis;
• Proficient in database monitoring, troubleshooting, and performance tuning;
• Experience with partitioning strategies and managing large-scale datasets;
• Deep understanding of locking, blocking, and deadlock detection and resolution;
• Excellent analytical, problem-solving, and communication skills.

Desired Skill-set

• Experience with Java/J2EE development;
• Hands-on with Apache Spark and big data;
• Background in ETL pipelines or distributed data systems.

Responsibilities

• Design, develop, and optimize complex T-SQL scripts and stored procedures;
• Perform query optimization and index tuning to ensure high performance and scalability;
• Analyse SQL Server execution plans to identify and resolve performance bottlenecks;
• Monitor database health, troubleshoot issues proactively, and implement best practices for reliability and availability;
• Develop and implement partitioning strategies for large datasets;
• Analyze and resolve locking, blocking, and deadlock issues to maintain optimal concurrency;
• Collaborate with development and operations teams to support database design, deployment, and maintenance.

Should you be interested in this career opportunity, please send in your updated resume to apply@sciente.com at the earliest.

When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the SCIENTE Group Privacy Policy, a copy of which is published at SCIENTE’s website (https://www.sciente.com/privacy-policy).

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

EA Licence No. 07C5639

Job Summary

Support and maintain critical customer IT backend systems through administration, operational tasks, defect management, network services, and system health monitoring to ensure smooth and reliable system performance.

Responsibilities

• Operate 12-hour shifts to support and maintain critical customer IT backend systems
• Perform general system administration to ensure system stability and availability
• Execute daily operational tasks to maintain system functionality and performance
• Conduct scheduled tasks to support system upkeep and reliability
• Manage and resolve system defects to minimize downtime and service disruption
• Provide network management services to maintain network integrity and connectivity
• Monitor system and network health status using Solarwinds to proactively identify and address issues
• Assist customers during exercise support to ensure smooth operation and testing
• Support customers during system audits by providing necessary information and assistance

Preferred competencies and qualifications

• Diploma in Computer Science, Computer Engineering, Information Technology, Electrical and Electronics Engineering, or equivalent
• At least 2 years of relevant experience as a System Administrator or in a related profession
• Proficient in system monitoring, system configuration, network systems, and system backup
• Hands-on experience with hardware installation and deployment
• Knowledge or experience in Windows, Unix, Redhat, SQL, Cisco Networking, SAN Storage, VMware, Firewall, and Solarwinds

Note1: Successful applicants will be given on-the-job training to become familiar with the systems and the various processes in supporting the systems.

Note2: Potential applicants who do not meet all qualifications may still apply.

Key Responsibilities:

Database Implementation & Operations

• Implement and manage databases based on architectural and technical requirements
• Deploy, configure, and maintain data storage across diverse environments (cloud/on-prem)
• Manage cloud databases with a focus on cost, performance, and reliability

Performance & Optimisation

• Optimise database performance through tuning, indexing, and query enhancement
• Troubleshoot issues across relational and NoSQL systems

Data Lifecycle & Reliability

• Define and enforce data lifecycle policies (retention, archival, deletion)
• Develop and maintain backup and recovery processes to ensure data integrity

Security & Compliance

• Ensure database security, access control, and regulatory compliance
• Support data governance and audit requirements with stakeholders

Automation & Efficiency

• Automate administrative tasks using scripting and tools
• Improve deployment, monitoring, and maintenance processes

Requirements:

• Bachelor’s Degree in Computer Science, Information Systems, or related field
• 5+ years of database administration experience across multiple architectures
• Strong proficiency in SQL databases (e.g., Microsoft SQL Server, PostgreSQL)
• Experience with NoSQL databases (e.g., Cassandra, MongoDB) is a plus
• Familiarity with object storage (e.g., AWS S3, Nutanix) and graph databases (e.g., Neo4j) preferred
• Expertise in performance tuning, indexing, and query optimisation
• Experience in data lifecycle management and backup strategies
• Proficient in scripting (Python, Bash, PowerShell)
• Strong analytical, problem-solving, and stakeholder management skills

(EA Reg No: 20C0312)

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

Only shortlisted candidates will be notified.

Role:
Manage and support RHEL/Unix production systems, ensuring high availability, performance, and security.

Key Requirements:

• Strong Linux (RHEL/Oracle) administration
• Experience in OS upgrades & migrations
• Expertise in troubleshooting & RCA
• Hands-on VCS clustering
• Scripting (Bash + Python/Perl)
• Basic Citrix knowledge

Good to Have:
Satellite, CI/CD, backup & monitoring tools

EA Number: 11C4879 

Responsibilities:
We are seeking a skilled Linux System Administrator to manage, maintain, and enhance our Linux-based infrastructure in a secure, high-availability financial environment. The ideal candidate will have strong hands-on experience in Linux administration, system performance tuning, and production support within regulated environments.

Key Responsibilities

• Administer, monitor, and maintain Linux servers (RedHat/CentOS/Ubuntu) in production and non-production environments.
• Ensure high availability, performance, and security of systems supporting critical financial applications
• Perform system installation, configuration, patching, and upgrades.
• Manage user access, permissions, and system security controls in line with compliance requirements
• Monitor system performance and troubleshoot issues proactively (CPU, memory, disk, network)
• Support incident management, root cause analysis, and problem resolution
• Implement automation using shell scripting or tools like Ansible
• Work closely with application, network, and cybersecurity teams to ensure smooth operations
• Maintain system documentation, SOPs, and operational runbooks.
• Support audits and ensure compliance with internal and regulatory standards.

Skills/Requirement:

• Bachelor’s degree in Computer Science, IT, or related field
• 2–7 years of experience in Linux system administration
• Strong experience with Linux distributions such as RHEL, CentOS, or Ubuntu
• Good knowledge of shell scripting (Bash)
• Experience with configuration management/automation tools (e.g., Ansible, Puppet, Chef)
• Familiarity with virtualization (VMware/KVM) and cloud platforms is a plus
• Experience with monitoring tools (e.g., Nagios, Grafana, Prometheus)
• Understanding of networking fundamentals (TCP/IP, DNS, firewalls)
• Exposure to security best practices and hardening standards
• Familiarity with ITIL processes (incident, change, problem management)
• Experience in financial services/banking environment is highly preferred

Interested candidates, who wish to apply for the above position, please send in your resume ajay.sharma@persolapac.com.

We regret to inform that only shortlisted candidates will be contacted

PERSOL Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R24123179 (Ajay Sharma)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes setout in the Privacy Policy available at https://www.persolsingapore.com/policies.You acknowledge that you have read, understood, and agree with the Privacy Policy.

Key Responsibilities

Interconnect & Fabric Operations

• Manage Slingshot fabric configuration
• Perform link remediation & congestion triage
• Maintain config backups & rollback plans
• Execute firmware updates within maintenance windows
• Perform QoS/ECN/PFC tuning per design

DC Switching

• VLAN and port configuration updates
• Monitor utilisation & congestion metrics
• Maintain optics & cable inventory hygiene

Incident Handling

• P1 restoration < 48 hrs (HPC)
• Engage OEM TAC for Level-3 escalation
• Provide documented post-change validation

Security Alignment

• Work with Security Engineer on segmentation
• Maintain firewall policy integrity
• Ensure least-privilege network access

Required Experience

• Minimum 5 years in network support/troubleshooting

• Experience with:

1. High-speed data centre fabric
2. SDN
3. Firewall & VPN administration
4. HPC interconnect experience preferred

Required Certifications

• ITIL Foundation
• CCNA or equivalent (minimum)

Key Responsibilities

• Interconnect & Fabric Operations
• Manage Slingshot fabric configuration
• Perform link remediation & congestion triage
• Maintain config backups & rollback plans
• Execute firmware updates within maintenance windows
• Perform QoS/ECN/PFC tuning per design

DC Switching

• VLAN and port configuration updates
• Monitor utilisation & congestion metrics
• Maintain optics & cable inventory hygiene

Incident Handling

• P1 restoration < 48 hrs (HPC)
• Engage OEM TAC for Level-3 escalation
• Provide documented post-change validation

Security Alignment

• Work with Security Engineer on segmentation
• Maintain firewall policy integrity
• Ensure least-privilege network access

Required Experience

• Minimum 5 years in network support/troubleshooting

Experience with:

1. High-speed data centre fabric

2. SDN

3. Firewall & VPN administration

4. HPC interconnect experience preferred

Required Certifications

• ITIL Foundation
• CCNA or equivalent (minimum)

Minimum 5 years in network support/troubleshooting

Experience with:

• High-speed data centre fabric
• SDN
• Firewall & VPN administrationHPC interconnect experience preferred

Required Certifications

• ITIL Foundation
• CCNA or equivalent (minimum)

As a Database Administrator and take ownership of building, optimizing, and securing robust database systems that power mission-critical applications. You’ll work with a wide range of technologies from traditional relational databases to modern cloud and NoSQL platforms while driving performance, reliability, and innovation.

Key Responsibilities:

Database Implementation & Operations

• Design, implement, and manage databases based on architectural and technical requirements
• Deploy and maintain data storage solutions across multiple platforms and environments
• Manage cloud-based databases, ensuring optimal performance, scalability, and cost efficiency

Performance& Optimisation

• Drive performance tuning through indexing strategies and system improvements
• Optimize queries and troubleshoot performance issues across relational and NoSQL databases

Data Life cycle & Reliability

• Define and enforce data life cycle policies, including retention, archival, and cleanup
• Develop and manage backup and recovery strategies to ensure high availability and data integrity

Security& Compliance

• Implement database security, access controls, and compliance standards
• Collaborate with teams to uphold data governance and audit requirements

Automation& Efficiency

• Automate routine database operations to improve efficiency and reduce manual work
• Use scripting and tools to streamline deployment, monitoring, and maintenance

Requirements:

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

(EA Reg No:20C0312)

Please email acopy of your detailed resume to abegail@talentsis.com.sg for immediateprocessing.

Onlyshortlisted candidates will be notified.