Total 14 database administrator job vacancies in Information Technology category

EssentialR esponsibilities:

·      Responsible for daily business support and 4x capacity guarantee for global and local financial-level storage components (SLA < =99.99%, RTO < = 5mins, RPO = 0, Delay < 100ms), and propose improvement suggestions for high-risk changes and repetitive inefficiencies, and promote implementation

·      Responsible for global and local station financial-level storage components and overall architecture risk identification and hidden danger governance (including but not limited to: effectively blocking big key/showSQL hidden dangers generated by function iteration; identifying and governing scenarios with strong data dependence on Redis, discovering and governing unreasonable architecture design behind abnormal alarms).

·      Responsible for storing component (MySQL/Redis) size version, security patch upgrade (RTO < = 2mins, RPO = 0, efficiency = 3.5person-days/cluster), ensuring smooth business upgrade, and effective emergencyrollback in abnormal scenarios (RTO < = 5mins).

·      Responsible for version planning of storage components(MySQL/Redis/TiDB/Doris/ES/MongoDB), software risk identification (BUG type),architecture risk identification (compatibility with availability zone failures), hardware risk identification (affinity), and promoting cloud vendors and architecture teams to schedule and govern hidden dangers

·      Responsible for continuously iterating storage component (MySQL/Redis/TiDB/Doris/ES/MongoDB) standard construction, cost governance standard construction, and implementing new standards management platform and inspection platform

·      Responsible for the design and development of daily database requirements for the database management platform (Golang)

Job requirements

·      Strong execution ability ensures high-quality and no-delay delivery of business requirements (following the change process and implementing the double check mechanism for program guarantee), and good team collaboration ability

·      Strong stress resistance and open-mindedness, calmly think about the root causes and solutions when facing difficulties or bottlenecks, actively report bottlenecks, give reasonable suggestions, and actively promote problem-solving

·      Master Degree/Degree holder with more than 8 years of full-time DBA work experience in top companies in the financial and internet industries, with practical experience in massive databases (cluster > 800,data > TB level), and experienced large-scale activities and market traffic shocks(at least > 5 times the daily traffic).

·      Proficient in MySQL/Redis system principles and architecture design capabilities, proficient in AWS cloud technology stack(VPC/AuroraRDS/Valkey/OpenSearch) risk identification and standard specification design to ensure business usage storage SLA > 99.99%.

·      Proficient in TiDB/Doris/ES (choose one) distributed database principle system (data > 0.5PB), skilled in identifying component hidden dangers and sorting out standard specifications, providing core technical indicators (SLA, PTO, RPO) and pushing component design and planning capabilities for business line use, ensuring that the storage SLA for business use is > 99.90% (for business stability requirements > 99.9%, effective emergency plans need to be aligned as a whole).

·      Experience in Golang backend development is preferred

All Successful candidates can expect a very competitive remuneration package and a comprehensive range of benefits.

Alternatively, you may wish to email your resume in a detailed Word format to debbie@peopleprofilers.com

We regret that only shortlisted candidates will be notified

People Profilers Pte Ltd, 20 Cecil Street, #08-09 PLUS Building, Singapore 049705

 Tel: 69509748

http://www.peopleprofilers.com

debbie@peopleprofilers.com

Consultant in charge: So Boon Shyen, Debbie

EA Licence Number: 02C4944

Registration Number: R1111376

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

Details:
- 1 Year Contract (Renewable)
- Up to $5,400 + AWS + VB + Other Benefits
- Central area

Duties:

• Administer and maintain databases across DB2, PostgreSQL, MySQL, and Snowflake platforms.

• Ensure database availability, stability, and performance for both OLTP and OLAP environments.

• Perform monitoring, health checks, performance tuning, query optimization, and capacity planning.

• Manage backup, recovery, disaster recovery (DR), and high availability (HA) processes.

• Troubleshoot database issues including performance degradation, replication failures, and data inconsistencies.

• Support cloud database environments on AWS (RDS, EC2) and Snowflake, ensuring security, scalability, and operational efficiency.

• Maintain monitoring and logging tools such as CloudWatch, Grafana, and Splunk, while developing automation scripts for maintenance tasks.

• Support database releases, schema updates, migrations, and deployment activities in collaboration with application and infrastructure teams.

• Maintain technical documentation, SOPs, incident reports, and support continuous improvement initiatives.

• Participate in after-hours support for maintenance activities and critical incidents when required.

Requirements

• Diploma or Degree in Computer Science, Information Technology, or related field.

• Minimum 3 years of experience in Database Administration or Database Engineering across DB2, PostgreSQL, and MySQL platforms.

• Experience supporting production or mission-critical systems, including AWS database services and Snowflake or similar data warehouse platforms.

• Strong knowledge of SQL scripting, stored procedures, query tuning, and database performance optimization.

Interested Applicants, please click Apply Now

Chow Zi Qing
R2199258
Revup Proservices Pte Ltd
EA.24C2366

Job Description

· Help define the technology roadmap and standards for database technologies covering traditional RDBMSs as well as modern NoSQL / specialized databases

· Implement and maintain full operational lifecycle procedures from deployment, to maintenance/patching, backup/recovery and decomm using extensive automation

· Provide 24x7 operational support of database systems with responsibility for uptime, overall system performance, identifying root cause and implementing improvements to avoid recurrence

· Perform security compliance activities, e.g. security reviews, implementing security controls, logging etc.

· Provide end-to-end support and advisory including support required by application developers

· Any relevant ad-hoc duties

Requirements

· Possess a degree in Information Technology or related fields with good experience in multiple data or database centric roles

· Strong understanding of database concepts covering primary MySQL and secondary Microsoft SQL server.

· Experience is required in the following areas:

o Strong understanding of operational processes and automation

o Shell scripting, ideally using Python

o Performance, capacity planning and database/query tuning.

· The ideal candidate will have:

o Experience working with Continuous Integration and Delivery and how it impacts persistent data tiers

o Experience working with other infrastructure teams / technologies

o Demonstrable experience supporting critical database infrastructure

· Strong logical and analytical skills with the proven ability to learn new subjects quickly

kshama.raj@blueocean.systems
+91 9833964181

Role Overview:

We’re looking for an Oracle PL/SQL Developer with strong experience in banking payment systems, UNIX scripting, and scheduling tools.

You’ll work on maintaining, enhancing, and supporting mission-critical applications for SWIFT, MEPS+, and risk/payment platforms.

Key Responsibilities:  Develop, optimize, and maintain SQL, PL/SQL procedures, functions, packages, and triggers for Oracle databases 9i/10g/11g/12cWrite and maintain UNIX/AIX shell scripts for batch jobs, data loads, and system automation

Support and monitor batch schedules using Control-M scheduler

Troubleshoot issues in payment systems: SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager, and MEPS+

Work with risk and compliance tools like Risk Authority (RAY) Moody’s and BAE Systems DETICA

Manage code/version control using ClearCase, ClearQuest, and Aldon

Perform data analysis and debugging using SQL_Plus, SQL Developer, TOAD, and ORMSCollaborate with business, QA, and production support teams for deployments and incident resolution

Required Skills:

• Languages: SQL, PL/SQL, Unix Shell Scripting
• Databases/Tools: Oracle 9i/10g/11g/12c, ORMS, SQL_Plus, SQL Developer, TOAD, Control-M scheduler, ClearCase, ClearQuest, Aldon
• Risk/Payment Systems: Risk Authority (RAY) Moody’s, BAE Systems DETICA, MEPS+, SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager
• Operating Systems: Windows, UNIX AIXGood to Have:  Experience in banking domain, payment processing, or treasury systems
• Mandatory: Experience with SWIFT Alliance, MEPS+, and regulatory compliance systems.

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 reorganizing tablespaces, updating statistics, and adjusting buffer pools
• Providing guidance to application developers on DB2 best 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 5 years of relevant working experience in the above technology is preferred.
• Relevant experience in the following would be advantageous:
• Working with JCL (Jon Control Language)
• Experience in VSAM and other mainframe storage concepts
• Familiar with database utilities and tools
• Experience with database backup and recovery procedures

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
1-year contract

About the Role

We are seeking an experienced Linux System Administrator with strong expertise in Linux, automation/scripting, and Site Reliability Engineering (SRE) practices. In this role, you will be responsible for managing critical systems, ensuring high availability, automating infrastructure tasks, and improving reliability across our technology stack. Applicants without Solaris experience but are fast learners and possess strong expertise in Linux system administration are welcome to apply.

Key Responsibilities

System Administration

• 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.

Automation & Scripting

• Develop and maintain Unix shell scripts to automate routine operational tasks.
• Implement infrastructure automation using modern tools as applicable (e.g. Ansible, Python).

Site Reliability Engineering

• Apply SRE principles to enhance system reliability, scalability, and observability.
• Setup and maintain monitoring, alerting, and logging systems.
• Participate in on-call rotations to support production environments, focusing on reducing toil and improving MTTR.
• Ensure SLAs/SLOs/SLIs are defined, monitored, and met.

Operational Excellence

• Manage user access, security controls, and audit support, periodic reviews and compliance requirements.
• Document system configurations, operational procedures, and root-cause analyses.
• Collaborate with development, security, and network teams to support cross-functional projects.

Required Qualifications

• Diploma or Bachelor’s degree in Information Technology, Engineering, Engineering, or equivalent practical experience.
• Must have 5+ years of hands-on and strong proficiency with Linux administration.
• Good-to-have experience with installing MySQL, JBoss and Sybase.
• Good understanding of SRE practices, automation/scripting & monitoring

Preferred Qualifications

• Experience with Solaris, MySQL, Sybase and virtualization technologies.
• Familiarity with Comm Vault, CyberArk, Tenable Nutanix, and Ansible.
• Knowledge of networking fundamentals (TCP/IP, DNS, routing).
• Exposure to AWS cloud environments.

Soft Skills

• Strong analytical and problem‑solving skills.
• Ability to work independently and collaborate across teams.
• Excellent written and verbal communication skills.
• Proactive mindset with a focus on continuous improvement.

The successful candidate can expect a competitive package that includes an attractive basic salary, annual bonus and variable bonus. Please submit your detailed resume, including expected salary and contact number.

(We regret that only short-listed candidates will be notified)

·      Administer and manage Redis clusters for low-latency caching and real-time transaction processing.

·      Manage MongoDB clusters (replication, sharding) for scalable transaction and semi-structured data storage.

·      Working knowledge of Hadoop ecosystem (Hadoop, Hive, Pig, Oozie, Hbase, Flume, sqoop) using both automated tool sets as well as manual processes.

·      Support and maintain Hadoop (HDP)clusters for batch processing, analytics, and regulatory reporting.

·      Perform cluster lifecycle management provisioning, scaling, patching, and decommissioning nodes.

·      Ensure 24x7 availability and resilience of production systems supporting payment flows.

·      Manage and optimize Apache Kafka for high-throughput, real-time payment event streaming.

·      Support Apache NiFi for ingestionpipelines from upstream payment systems and external partners.

·      Work with AWS EMR for scalableprocessing of transaction data and reconciliation workloads.

·      Administer HDFS, ensuring optimal replication,storage utilization, and fault tolerance.

·      Manage OpenSearch / Elasticsearchclusters for transaction search, audit trails, and operational dashboards.

Required Skills & Experience

·      6–8 years of experience in Big Data / DataPlatform Engineering in enterprise environments.

·      Strong hands-on experience with:

·      Hadoop ecosystem (HDFS, YARN, MapReduce, HDP)

·      Apache Kafka (high-throughput environments)

·      Redis and MongoDB clusters

·      OpenSearch / Elasticsearch

·      Apache NiFi

·      AWS EMR + good knowledge of AWS Cloud.

·      Strong expertise in Linux system administration and scripting (Shell/Python)

·      Experience with Kerberos, data security, and access governance

·      Proven experience in handling high-volume, low-latency systems (preferably payments/trading) 

EA License No: 11C4879 / Registration ID : R1218583

Apar Technologies Pte Ltd, Singapore

• Delivered twenty-four hour support for all technology infrastructure needs and issues, for environment including 5 Windows and 8 Linux based servers and 200 desktops and laptops (Windows, MAC and Linux) across three regional offices
• Efficiently implemented network file sharing by configuring NFS to share files and resources across the network
• Managing corn jobs, at Jobs, batch processing and job scheduling
• Hands on experience in protocols such as TCP/IP, DHCP, HTTP, SMTP, SSH, FTP
• Installed and configured SSH, SFTP, Managed email (Postfix and Sendmail), LDAP
• Installed Apache, IIS and configured Virtual hosts and also experience applying SSL certs for websites, CSR generation
• Installation of SAMBA utility software
• Create File systems using Logical Volume Management (LVM), LV Extend and Reduce
• Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations
• Provided systems and server management and oversight and resolution of network/connectivity and software issues for local and remote users
• Worked with Server OS performing setup, maintenance and troubleshooting for 2000, 2003, 2008, Responsible for building, configuring, and supporting workstations and servers.
• Performed hardware builds (upgrades and new machines), set up offsite backup systems, and contributed to system migrations
• Good hands on experience in building/managing Virtual Machines in Oracle and VMware virtual environments
• Experience in Windows Domain Controller, Active Directory configuration, users and group creation and management, folder permissions, network sharing, backup and maintenance
• Responsible for implementing and supporting Microsoft Office (2000, 2007, 2010) technologies
• Responsible for LAN/WAN administration and support
• Responsible upgraded and maintenance of server hardware components as per requirement.
• Worked with different hardware and software vendors to troubleshoot the hardware and software problems.
• Strong technical knowledge on Domain(Maintain and updating Domains CName and A Records in Godaddy.com, securepaynet.net, Net4in, Hostgator)
• Installed, configured and managed databases MS SQL 2000/2005 Server on Windows

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

We are seeking an experienced Linux System Administrator to manage and support mission-critical enterprise Linux infrastructure environments. The successful candidate will be responsible for Linux server administration, operating system upgrades, performance tuning, troubleshooting, automation, high-availability clustering, security compliance, and infrastructure support.

Key Responsibilities

Administer, maintain, and support enterprise Linux server environments, primarily Red Hat Enterprise Linux (RHEL), across production, testing, and disaster recovery platforms.

Perform Linux operating system installation, configuration, patching, upgrades, and lifecycle management activities.

Manage and support Linux-based infrastructure services including DNS, NTP, LVM (Logical Volume Manager), file systems, storage management, and system monitoring tools.

Implement, configure, and maintain high-availability and clustering solutions to ensure system resilience and business continuity.

Monitor server performance, conduct capacity planning, identify bottlenecks, and implement performance tuning recommendations.

Investigate and resolve complex Linux operating system issues, perform root cause analysis (RCA), and implement preventive measures.

Support incident, problem, and change management processes in accordance with ITIL best practices.

Develop and maintain shell scripts and automation solutions to improve operational efficiency and reduce manual administrative tasks.

Collaborate with infrastructure, network, database, middleware, and application teams to support production systems and project implementations.

Review and approve infrastructure-related changes, ensuring compliance with organizational policies and operational standards.

Manage backup and recovery processes, system health monitoring, and disaster recovery readiness.

Implement Linux security hardening, user access management, privilege controls, and vulnerability remediation activities.

Maintain technical documentation, operational procedures, and system configuration standards.

Support internal and external audits by providing infrastructure documentation, evidence, and compliance reports.

Provide technical guidance and mentoring to junior system administrators and support teams.

Mandatory Requirements

• Bachelor's Degree in Computer Science, Information Technology, Computer Engineering, or a related discipline.
• Minimum 5 years of hands-on experience in Linux system administration within enterprise-scale environments.
• Strong experience administering Red Hat Enterprise Linux (RHEL) servers in production environments.
• Proven experience with Linux server installation, configuration, patching, upgrades, and troubleshooting.
• Hands-on experience with Linux clustering and high-availability solutions such as Veritas Cluster Server, Pacemaker, Corosync, or equivalent technologies.
• Strong knowledge of Linux performance tuning, system diagnostics, and capacity management.
• Experience with Logical Volume Manager (LVM), file system administration, storage management, and server hardening.
• Proficiency in Shell scripting (Bash/Korn Shell) for automation and operational support.
• Strong understanding of TCP/IP networking, DNS, NTP, SSH, routing, and network troubleshooting.
• Experience implementing Linux security controls, user access management, and vulnerability remediation.
• Familiarity with enterprise monitoring and alerting tools.
• Strong analytical, troubleshooting, and problem-solving skills

Job Description & Requirements

Job Summary

We are seeking a Senior level, Linux system administrator to support and maintain enterprise Linux infrastructure environments. The successful candidate will be responsible for ensuring the stability, availability, security, and performance of Linux servers supporting business-critical applications.

Key Responsibilities

• Administer and support enterprise Linux server environments across development, testing, production, and disaster recovery platforms.
• Perform Linux operating system installation, configuration, patching, upgrades, and maintenance activities.
• Monitor system health, availability, and performance, and implement corrective actions to ensure service reliability.
• Troubleshoot and resolve Linux operating system, infrastructure, and application-related issues within agreed service levels.
• Conduct root cause analysis for system incidents and implement preventive measures to minimize recurring issues.
• Support capacity planning, system performance tuning, and infrastructure optimization initiatives.
• Manage Linux services, including file systems, storage, logical volume management (LVM), DNS, NTP, and user access administration.
• Implement and maintain server security controls, system hardening standards, and access management procedures.
• Develop and maintain shell scripts and automation tools to streamline operational processes and improve efficiency.
• Collaborate with application, database, network, and infrastructure teams to support project implementation and production releases.
• Participate in change management activities, including impact assessments, implementation planning, and post-change validation.
• Support backup, recovery, and disaster recovery processes to ensure business continuity requirements are met.
• Maintain accurate technical documentation, operational procedures, and system configuration records.
• Assist with audit, compliance, and regulatory requirements by providing supporting documentation and evidence.
• Provide technical guidance to junior team members and contribute to knowledge-sharing initiatives.

Requirements

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 10 years of experience in Linux system administration and infrastructure support within enterprise environments.
• Hands-on experience with Red Hat Enterprise Linux (RHEL), CentOS, Oracle Linux, or equivalent Linux distributions.
• Strong knowledge of Linux server administration, system troubleshooting, and performance monitoring.
• Experience in Linux patching, operating system upgrades, and production support activities.
• Working knowledge of Linux clustering, high-availability configurations, and disaster recovery concepts.
• Experience with shell scripting (Bash/Korn Shell) and automation of routine administration tasks.
• Good understanding of networking concepts including TCP/IP, DNS, NTP, SSH, and connectivity troubleshooting.
• Knowledge of system security, access management, vulnerability remediation, and server hardening practices.
• Familiarity with enterprise monitoring tools and incident management processes.
• Strong analytical, problem-solving, communication, and stakeholder management skills.
• Ability to work independently and support critical production environments.