System Administrator

We are looking for a Middleware & Systems Administrator to join our team on a long-term engagement inside a modern payments environment.

The team operates enterprise middleware, transaction processing services and supporting platforms that demand 24/7 reliability. You will focus on system administration, optimisation and incident resolution for middleware and database-backed services supporting critical financial workloads.

What you will do

• Deploy, configure and maintain WebLogic middleware and Linux application servers

• Perform routine database support tasks and optimise SQL queries against Oracle databases

• Manage application lifecycle tasks: patching, releases, configuration changes, rollback plans

• Monitor systems, investigate alerts, troubleshoot incidents and apply fixes or escalate appropriately

• Maintain runbooks, SOPs and technical documentation for operational procedures

• Automate tasks using Bash/Python scripting and automation tools (Ansible, Terraform where applicable)

• Support backup, restore and disaster recovery procedures, including DR drills

• Manage certificates, keys and basic network configurations

• Collaborate with developers, DBAs, network and security teams on cross-domain issues

• Participate in on-call rota and occasional out-of-hours maintenance windows

• Contribute to performance tuning and capacity planning

Requirements

• 2-3 years’ experience administering applications or databases in production environments

• Hands-on experience with WebLogic administration (installation, domain management, tuning)

• Strong Linux (Red Hat/CentOS/Oracle Linux) skills - services, logs, package management, networking

• Working knowledge of Oracle DB and SQL query optimisation

• Good troubleshooting skills, log analysis and root-cause investigation

• Professional attitude to operational discipline and documentation

• English at a working level

Nice to have

• Exposure to Oracle DBA tasks (backups, tuning)

• Familiarity with Docker/Kubernetes

• Experience with Ansible, Python scripting, CI/CD for ops tasks

• Exposure to Prometheus, Grafana, ELK/Elastic

• Understanding of security & compliance in financial systems

• Experience with ServiceNow or other ITSM tooling

Benefits

• Solid, competitive salary.
• Work in multilingual, multinational and multicultural environment on international projects
• Medical care