System Administrator (6 months contract)

Key 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 3 - 8 years of experience in system administration, application support, middleware administration, or system integration. System administration and integration of multi-tier Java-based applications.

Middleware technologies: JBoss and IBM WebSphere.

REST/SOAP APIs, XML, JSON, and IBM MQ.

File transfer protocols and tools: SFTP, SSH, and Connect:Direct.

Server firewall configuration, connectivity troubleshooting, and user ID/access setup.

SQL and database technologies: Oracle and Microsoft SQL Server.

Linux/Unix commands, shell scripting, and basic Windows Server administration.

DevOps practices and CI/CD pipeline support.

System integration testing (SIT), user acceptance testing (UAT), and production troubleshooting.

Experience with co-location setups and cross-country rollouts for real-time, low-latency applications.

Strong communication, analytical, problem-solving, and independent working skills.