AppOps Application Administrator

Quick Facts

AppOps Application Administrator for a project involving migration of a data center supporting critical payment transaction systems (acquiring and issuing).

Description

You will administer, configure, and maintain applications for card issuing and acquiring transaction systems during the migration. The role includes building, testing, and migrating to new environments, monitoring application performance and reliability, handling incidents, and coordinating production change deployments with external vendor support.

Responsibilities

• Work with Project Managers to build, test, and migrate to new environments, including preparing build/configuration orders and removing project blockers.
• Administer, configure, and maintain card issuing and acquiring transaction application systems within the data center migration.
• Monitor application environments for performance and reliability; manage incidents and problems to ensure continuous server operation.
• Verify and implement production environment changes in collaboration with external technical vendor support.
• Collaborate with SMEs from multiple countries on technical scope, challenges, and proposed solutions.
• Create and update technical documentation in Confluence.

Requirements

• Experience in administration and maintenance of applications in transaction environments; understanding availability, performance, and resilience for near-real-time systems.
• Infrastructure knowledge: networking solutions, load balancing, TLS.
• Strong day-to-day working knowledge of PL/SQL for administration and diagnostics.
• Practical knowledge of Python for automation and scripting.
• Fluent Polish.

Benefits

• B2B project model with milestone-based billing and acceptance protocols.
• Participation in industry events and technology meetups.
• Administrative and settlement support.
• Flexible B2B cooperation.
• Fast and remote process (work performed stationary in Warsaw).
• PLN 5,000 referral bonus for recommending friends.