Total 121 administrator job vacancies in Information Technology category in Singapore

Responsibilities:

• Reviewing and optimising SQL queries written by application developers to ensure optimal performance and adherence to database standards
• Assisting in database design activities, including table structures, indexes, and relationships to support new application features or enhancements
• Troubleshooting database-related issues reported by application teams, including SQL error codes, performance problems, and data integrity concerns
• Supporting database changes through the development lifecycle (DEV, TEST, UAT, PROD), including coordinating database object migrations between environments
• Monitoring application database performance and implementing necessary tuning measures like reorganising tablespaces, updating statistics, and adjusting buffer pools
• Providing guidance to application developers on DB2best practices, coding standards, and efficient query writing techniques 
• Supporting application testing activities by helping with data refresh requests, test data preparation, and database-related test case validation

Requirements:

• Strong background in IT, Computer Science /Computer Engineering, or related discipline
• Minimum 8 years of relevant working experience in DB2 database administration is preferred.
• Relevant experience in the following would be advantageous:

1. Working with JCL (Jon Control Language)
2. Understanding of VSAM and other mainframe storage concepts
3. Familiar with database utilities and tools
4. Experience with database backup and recovery procedures

• up to 2 months contract end bonus
• contract convertible to perm
• either july or august start
• Training in HPC will be given

Responsibilities

• Operate and maintain core data centre switching across L2/L3, including routing protocols (BGP, OSPF), high-availability (HSRP/VRRP), and link aggregation
• Support enterprise switching platforms (such as Aruba, Arista, or Cisco Nexus class) in a change-controlled environment
• Administer enterprise firewall and VPN platforms, including access and policy upkeep
• Monitor network health, analyse errors and counters, and triage incidents
• Execute changes within approved maintenance windows, with full ITSM evidence and rollback discipline
• Apply firmware and software updates in line with approved standards
• Support SDN administration and report configuration drift
• Maintain network documentation and utilisation reporting

Requirements

• At least 2 years in enterprise network support, including L2/L3 routing and switching in a production data centre or mission-critical environment
• Hands-on experience with firewall, VPN, and SDN administration
• CCNA and ITIL Foundation, or willingness to obtain them (certification fully sponsored by the employer)
• A strong willingness to learn, since full vendor training is provided

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

Ivan Lim | EA Personnel No.: R1109856

• up to 2 months contract end bonus
• contract convertible to perm
• either july or august start
• Training in HPC will be given

Responsibilities

• Manage the full lifecycle of Linux servers, from provisioning and configuration to patching and decommissioning
• Maintain system baselines, golden images, and configuration consistency across the server fleet
• Operate enterprise rack servers running RHEL across compute and management functions
• Apply security patches and hardening in line with approved standards
• Support virtualisation platforms where required
• Run daily health checks, resolve incidents, and verify fixes after implementation
• Back up and restore system configurations, and keep runbooks and records current
• Execute approved changes within defined maintenance windows

Requirements

• At least 3 years in a Linux systems administration role
• Strong hands-on Linux administration is essential (RHEL, Rocky, or CentOS in production). This role is tested on practical depth, not certification alone.
• RHCSA and ITIL Foundation, or willingness to obtain them (certification fully sponsored by the employer)
• A strong willingness to learn, since full vendor training is provided

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

Ivan Lim | EA Personnel No.: R1109856

Job Overview

We are seeking a System Administrator to manage and support enterprise infrastructure environments, covering server provisioning, system configuration, security hardening, and operational readiness. This role is critical in ensuring systems are stable, secure, and fully compliant before deployment into production.

The ideal candidate will have hands-on experience in system administration, strong exposure to infrastructure environments, and the ability to coordinate across multiple technical teams.

Key Responsibilities

System Administration & Infrastructure

• Provision and configure servers, including virtual machines and OS clustering
• Perform system setup activities such as domain joining, AD/OU configuration, and environment preparation
• Support database setup in collaboration with DBA teams
• Configure load balancers, firewall rules, and system connectivity

Platform & Tool Administration

• Install and configure enterprise tools including monitoring, backup, and system management platforms
• Support onboarding of infrastructure and security tools (e.g., SIEM, EDR, monitoring solutions)
• Manage SSL certificate installation and system-level configurations

Security & Compliance

• Perform vulnerability scans and support remediation activities
• Execute OS hardening and patching prior to production deployment
• Support risk assessment processes and ensure compliance with security policies
• Assist in privileged access management setup (e.g., CyberArk or equivalent)

Testing & Operational Readiness

• Conduct system validation including HA/failover testing
• Perform backup and restoration testing to ensure data integrity
• Support go-live readiness, including checklist completion and approvals
• Prepare and maintain system documentation and operation guides

Coordination & Support

• Collaborate with network, application, DBA, and security teams
• Support change management processes including CAB approvals
• Coordinate with stakeholders to ensure timely delivery of system setup and deployment

Requirements

Technical Skills

• Experience in system administration (Windows/Linux environments)
• Strong knowledge of server setup, virtualization, and clustering
• Familiarity with Active Directory, DNS, and network fundamentals
• Experience with backup, monitoring, and system integration tools

Security & Governance

• Exposure to OS hardening, patching, and vulnerability management
• Familiarity with SIEM, EDR, and security best practices
• Understanding of risk assessment and compliance requirements

Preferred Skills

• Experience with tools such as QRadar, SolarWinds, CyberArk, or similar
• Knowledge of ITIL processes and change management workflows
• Experience in enterprise or regulated environments is an advantage

Key Attributes

• Strong troubleshooting and problem-solving skills
• Detail-oriented with structured approach to system management
• Ability to handle multiple tasks in a fast-paced environment
• Good communication and stakeholder coordination skills

Please send your detailed resume in MS Word format to resume@goldtecHRs.com with

• Education Level
• Working experiences
• Each employment background
• Reason for leaving each employment
• Last drawn salary
• Expected salary
• Date of availability

Dear Applicant,

If you or someone you know isinterested, please send the CV directly to VeronicaE@evolutionjobs.sg (mostpreferred, as I may overlook some CVs due to the high volume).

Please note that visasponsorship is not available at this time.

JD

Mainframe zOS systemprogrammer / administrator for

• Mainframe CICS and MQ
• Mainframe zSeries hardware
• Mainframe zOS operating system
• Mainframe IBM and 3rd Party Vendor System Software
• Mainframe storage area network
• Mainframe attached disk storage system
• Mainframe attached tape storage system

Role and Responsibilityincludes :

• Create and maintain Host Platform technology strategy, architecture and roadmap
• Provide Host Platform infrastructure initiatives project management
• Design, install, configure and deploy UOB host infrastructure and solution
• Provide Host Platform project and L3 support
• Plan and manage Host Platform upkeep and change schedule
• Deploy Host Platform upkeep and change
• Manage risks and controls, provide audit support, perform RCSA for Host Platform

About the Role

We are looking for a results-driven Senior Database Administrator to join our Managed Services team and drive enterprise-grade database reliability, security, and performance across mission-critical environments. This role is ideal for a seasoned Oracle and Microsoft SQL professional who thrives in a high-availability 24x7 operations setting and is passionate about delivering operational excellence at scale.

You will be responsible for end-to-end database administration, performance engineering, and L2/L3 support for enterprise systems. You will lead database optimization, hardening, migration, and automation initiatives, while partnering closely with internal teams and customers to uphold system integrity and ensure seamless business continuity.

Key Responsibilities

Database Operations & Performance Management

• Manage and administer Oracle and SQL Server databases in a 24x7 enterprise environment
• Conduct daily database health checks, performance tuning, optimization, and capacity planning
• Implement database security measures, hardening standards, and patches
• Automate database setup, backup, restore, and monitoring processes

Database Administration & Maintenance

• Create and configure database structures, files, logs, indexes, and storage allocations
• Oversee housekeeping activities, object validation, fragmentation checks, and re-indexing
• Verify database integrity during system upgrades, deployments, and maintenance windows

Incident & Problem Management

• Respond to database alerts, anomalies, and incidents with timely troubleshooting and root cause analysis
• Work with service desk teams, customers, and third-party vendors to resolve database-related issues quickly
• Support DR execution and ensure successful rebuilds for production or DR systems

Documentation & Reporting

• Maintain accurate documentation including deployment guides, checklists, operations manuals, and DR procedures
• Prepare monthly reports on database uptime, performance, and growth trending
• Produce ad-hoc investigative reports for audits, capacity planning, and problem resolution

Requirements

• Bachelor’s Degree in IT, IS, Computer Science, or related disciplines
• Minimum 5 years of hands-on Oracle and Microsoft SQL database administration experience
• Strong proficiency with Oracle 12c/19c, Oracle RAC, SQL Server 2016–2022, and cloud environments (Azure/AWS)
• Skilled in database backup, recovery, security implementation, tuning, and high-availability environments
• Solid understanding of UNIX and Windows OS
• Strong analytical, troubleshooting, and communication skills
• Ability to work independently in a fast-paced operational environment
• Experience supporting government sector environments is preferred

Please send your detailed resume in MS Word format to resume@goldtecHRs.com with

• Education Level
• Working experiences
• Each employment background
• Reason for leaving each employment
• Last drawn salary
• Expected salary
• Date of availability

Job Responsibilities:

• Order & Backlog Management: Managing Customer demand and Purchase Order. Tracking of "backlog" to ensure ship dates align with what was promised and monitor On Time Delivery (OTD).

• Engineering Change Support: Coordinating the administrative side of Engineering Change Notice (ECN). This involves updating part numbers, Bills of Materials (BOM), and ensuring the Operations is building the correct version of a product.

• Material & Inventory Tracking: Monitoring Excess & Obsolete (E&O) inventory. Flag parts that are no longer needed due to design changes and help the PM calculate the financial liability to be charged back to the customer.

• Customer Communication: Serving as the first line of contact for routine inquiries, such as shipping status, tracking numbers, and Return Material Authorization (RMA) updates for repairs.

• Shipping & Logistics Coordination: Working with the warehouse and logistics teams to ensure finished goods are packed, documented, and shipped according to the customer’s specific routing guides.

• Reporting & Metrics: Generating weekly or monthly reports on Key Performance Indicators (KPIs) like On-Time Delivery (OTD), Demand waterfall, aged accounts receivable (AR), etc.

• Support internal and External audits

• Participate in Lean and ESS Program

• General filing of correspondences between customers and plant.

• Draw up quotations to customers.

• Take purchase orders from customers.

• Other duties as assigned.

Job Requirements:

• Degree / Diploma in any discipline or equivalent.

• Minimum 2 years of experience in Electronics Manufacturing industry or in a related field, as well as customer / account management background is preferred.

• Proficient in MS office applications, particularly in Excel (e.g., pivot tables, vlookup) and PowerPoint.

• Proficient in Google sheet, Google drive and Google Slides.

• Good communication skills.

• Demonstrated attention to detail.

• Able to work independently, fast learner and proactive.

Key Responsibilities

• Administer and maintain IBM DB2 databases on z/OS platforms, ensuring high availability, performance, and operational stability of business-critical applications.

• Perform database performance monitoring and tuning activities, including SQL optimization, access path analysis, buffer pool tuning, tablespace management, RUNSTATS, REORG, COPY, and other DB2 utility operations.

• Review, analyse, and optimise complex SQL statements developed by application teams to improve query efficiency, reduce resource consumption, and meet performance service levels.

• Design and implement database objects including tablespaces, databases, tables, indexes, views, aliases, and referential integrity structures to support application development and enhancement initiatives.

• Troubleshoot and resolve database-related incidents involving SQLCODE errors, locking and concurrency issues, deadlocks, database object failures, storage constraints, and application performance degradation.

• Support database change implementation activities throughout the Software Development Life Cycle (SDLC), including object creation, schema modifications, migration planning, deployment validation, and production releases.

• Execute database backup, recovery, restoration, and disaster recovery procedures to ensure data protection and business continuity requirements are met.

• Manage database capacity planning activities by monitoring storage utilisation, growth trends, and system resource consumption to support future business demands.

• Collaborate with application development, infrastructure, and support teams to provide technical guidance on DB2 database standards, SQL coding best practices, and performance optimisation methodologies.

• Support testing activities by performing database refreshes, data extraction, data masking, test data preparation, and database validation during SIT, UAT, and production implementation cycles.

• Maintain database security controls, user access management, and audit compliance requirements in accordance with organisational policies and regulatory standards.

• Prepare and maintain operational documentation, database configuration records, recovery procedures, technical runbooks, and support knowledge repositories.

Requirements

• Degree in Computer Science, Information Technology, Computer Engineering, or a related discipline.

• Minimum 8 years of hands-on experience administering IBM DB2 databases in large-scale enterprise or mainframe environments.

• Strong expertise in DB2 for z/OS administration, performance tuning, database monitoring, SQL optimisation, backup and recovery processes.

• Proven experience with DB2 utilities including RUNSTATS, REORG, COPY, LOAD, UNLOAD, CHECK utilities, and database maintenance activities.

• Experience supporting database deployments and migrations across Development, SIT, UAT, and Production environments.

• Strong understanding of IBM Mainframe technologies including JCL (Job Control Language), VSAM datasets, catalog management, and storage concepts.

• Experience with database performance analysis tools, monitoring solutions, and incident management processes.

• Knowledge of disaster recovery planning, database restoration procedures, and business continuity practices.

• Familiarity with change management, release management, and IT service management processes.

• Strong analytical, troubleshooting, and problem-solving skills with the ability to diagnose complex database and application performance issues.

• Excellent communication skills with the ability to collaborate effectively with application development, infrastructure, and business stakeholders.

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, MS-SQL and Oracle

• 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

JD for System Administrator

The main purpose of the role is to support the system administration part to carry out day to day task of troubleshooting and deployments as scheduled. This role reports into the Local SHE IT manager and Global ITS workplace team and works closely with different stakeholders to ensure smooth running IT/IS operation.

Core Mission:

• Support L1/L2 incidents or request raised end user.

• Deploy new computer images as companies’ standard using SCCM

• Co-Ordination with suppliers on parts replacement or repair activity

• Update all computer asset in CMDB or keep tracking asset in excel as per companies’ guidelines

• Support network related incident raised

• Support all L1/L2 ticket raised

• Support and troubleshoot printer and label printers

• Installation and deployment of Windows-10 and Windows-11 Operating System

• Installation of PC based software like – Office, Bartender, CodeSoft,etc

• Manage and keep track of all software and hardware assets.

• Keep track of asset allocation to users and shared resource

• Support Conference room and Barco Devices

Requirements:

• Good knowledge on Windows environment/Operating system Installations

• L1/L2 support for handling all service request and Incidents raised in helpdesk Tool

• Good Knowledge on SCCM Software deployment, Application installations

• Good knowledge on applications installations Like – Catia tools , inhouse tools or engineering apps installations etc.

• Coordination with Vendor for defective part replacement of workstation, Laptop

• Basic understanding of networking concepts(TCP, UDP, Routing)

• Good Command on troubleshooting of Windows OS related issues.

• Good knowledge on Scripting shell –Like – power shell or any other tool added advantage

• If any certification of MCP or MCITP-(Microsoft Certified IT Professional) added advantage

• The minimum experience will be 1 to 2 Years.

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

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 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

Responsibilities:

a) Reviewing and optimising SQL queries written by application developers to ensure optimal performance and adherence to database standards

b) Assisting in database design activities, including table structures, indexes, and relationships to support new application features or enhancements

c) Troubleshooting database-related issues reported by application teams, including SQL error codes, performance problems, and data integrity concerns

d) Supporting database changes through the development lifecycle (DEV, TEST, UAT, PROD), including coordinating database object migrations between environments

e) Monitoring application database performance and implementing necessary tuning measures like reorganising tablespaces, updating statistics, and adjusting buffer pools

f) Providing guidance to application developers on DB2 best practices, coding standards, and efficient query writing techniques 

g) Supporting application testing activities by helping with data refresh requests, test data preparation, and database-related test case validation

Requirements :

a) Strong background in IT, Computer Science / Computer Engineering, or related discipline

b) Minimum 5 years of relevant working experience in the above technology is preferred.

c) Relevant experience in the following would be advantageous:
• Working with JCL (Jon Control Language)
• Understanding of VSAM and other mainframe storage concepts
• Familiar with database utilities and tools
• Experience with database backup and recovery procedures

Responsibilities:

a) Reviewing and optimising SQL queries written by application developers to ensure optimal performance and adherence to database standards

b) Assisting in database design activities, including table structures, indexes, and relationships to support new application features or enhancements

c) Troubleshooting database-related issues reported by application teams, including SQL error codes, performance problems, and data integrity concerns

d) Supporting database changes through the development lifecycle (DEV, TEST, UAT, PROD), including coordinating database object migrations between environments

e) Monitoring application database performance and implementing necessary tuning measures like reorganising tablespaces, updating statistics, and adjusting buffer pools

f) Providing guidance to application developers on DB2 best practices, coding standards, and efficient query writing techniques 

g) Supporting application testing activities by helping with data refresh requests, test data preparation, and database-related test case validation

Requirements

a) Strong background in IT, Computer Science / Computer Engineering, or related discipline

b) Minimum 5 years of relevant working experience in the above technology is preferred.

c) Relevant experience in the following would be advantageous:
• Working with JCL (Jon Control Language)
• Understanding of VSAM and other mainframe storage concepts
• Familiar with database utilities and tools
• Experience with database backup and recovery procedures

• Minimum 4-8 years of experience in MSSQL 2019/2022/2025 Database Administration.

• Perform production support administration tasks including proactive monitoring, maintenance and on-call support to ensure availability and performance requirements are met.

• Involve in operational automation process that covers monitoring, maintenance and standard changes.

• Provide root cause analysis for problems and take action to mitigate future errors.

• Support the operations team in capacity planning, volumetric analysis, execution of database change requests.

• Serve as a technical expert for project teams throughout the implementation and maintenance of assigned projects.

• Monitor and refine processes, procedures, and systems to optimize operational stability and / or integrity and recommends and / or implements improvements.

• Demonstrate the ability to write complex shell scripts for operational maintenance and automation.

• Experience in upgrade and patching database instances across multiple Database Management Systems with minimum disruption to application.

• Hands on experience in troubleshooting on patching issue and raise case with vendor, follow up for fixing.

• Coordinate with application team on decision and schedule to patch. Prepare the documents to raise Change Request.

This job advertisement is posted by:

Tan Geok Khim (Deng Yuqin) (R22107857)

A-IT Software Services Pte Ltd

EA License No: 24C2345

“By submitting your application for this position, you consent to the collection, use, and disclosure of your personal data by A-IT Software Services and its recruitment partners, including Employment and Employability Institute Pte Ltd, for the purpose of i) employment facilitation and ii) data and statistical analysis. You may find out more information on the PDPA policies at [A-IT Software Services PDPA website] and [https://www.e2i.com.sg/pdpa/].”