System Administrator

SAKSOFT LIMITED; Singapore; On-site; SGD 45,000 - 78,000; Full time

Job summary

SAKSOFT LIMITED invites applications for a System Administrator to manage integration workloads for real-time, cross-border deployments in a Singapore-based environment. The role covers middleware configuration, API and messaging support, and end-to-end testing coordination within a multi-tier Java platform.

Strong communication and independent work style are essential. The candidate will handle troubleshooting, performance tuning and documentation, collaborating with infrastructure, network and

Qualifications

• Good communication skills.
• Able to work independently.
• Work experience – 2 to 6 years.
• System integration experience in co-location and cross country rollout for a real-time, low-latency application.

Responsibilities

• Experience working with multi-tier application (Java Platform).
• Configure and support middleware, APIs, messaging systems, and file-based interfaces.
• Monitor and troubleshoot integration issues, data flow failures, and performance bottlenecks.
• Coordinate with application, infrastructure, network, and vendor teams during implementation and support activities.
• Manage end-to-end integration testing, including SIT and UAT support.
• Develop and maintain technical documentation, architecture diagrams, and operational procedures.

Skills

System integration and middleware

JBOSS

WebSphere

REST/SOAP APIs

XML/JSON

Message queues IBM MQ

SFTP/SSH/Connect Direct

Server Firewalls/ID setups

SQL/Databases (Oracle/SQL Server)

Linux/Unix commands & shell scripting

Windows Server administration

Job description

Experience

3-5 Years

Role

System Administrator

Key Skills

Technical Skills

• System integration andmiddleware technologies
• JBOSS
• WebSphere
• REST/SOAP APIs
• XML, JSON
• Message queues (IBM MQ)
• SFTP, SSH, Connect Direct
• Server Firewalls, IDsetups
• SQL and databasetechnologies (Oracle, SQL Server)
• Linux/Unix commands andshell scripting
• MS-Windows Server(Basic administration and troubleshooting)

DevOpsCI/CD Pipeline

Responsibilities

• Experience working with multi-tier application (Java Plaftorm)
• Configure and support middleware, APIs, messaging systems, and file-based interfaces.
• Monitor and troubleshoot integration issues, data flow failures, and performance bottlenecks.
• Coordinate with application, infrastructure, network, and vendor teams during implementation and support activities.
• Manage end-to-end integration testing, including SIT and UAT support.
• Develop and maintain technical documentation, architecture diagrams, and operational procedures.

Requirements

• Good communication skills
• Able to work independently
• Work experience – 2 to 6 years
• System integration experience in co-location and cross country rollout for a real-time, low-latency application.