Opentext - The Information Company

OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture. As a member of our team, you will have the prospect to partner with the most highly regarded companies in the world, tackle complex issues, and contribute to projects that shape the future of digital transformation.

AI-First. Future-Driven. Human-Centered.

At OpenText, AI is at the heart of everything we do—powering innovation, transforming work, and empowering digital knowledge workers. We are hiring talent AI can't replace to help us shape the future of information management. Join us.

Opentext - The Information Company

OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture. As a member of our team, you will have the opportunity to partner with the most highly regarded companies in the world, tackle complex issues, and contribute to projects that shape the future of digital transformation.

AI-First. Future-Driven. Human-Centered.

At OpenText, AI is at the heart of everything we do—powering innovation, transforming work, and empowering digital knowledge workers. We are hiring talent AI can't replace to help us shape the future of information management. Join us.

YOUR IMPACT

OpenText is seeking a highly motivated and technically skilled Senior AS/400 (IBM i) Application Support Specialist to join our Enterprise Applications team. This role is responsible for supporting, maintaining, and optimizing business-critical applications running on IBM i (AS/400) platforms.





The successful candidate will play a key role in ensuring application availability, operational stability, system performance, and data integrity while supporting ongoing modernization and automation initiatives. This position requires a strong production support background, deep technical expertise with AS/400 technologies, and a passion for delivering exceptional service to internal and external stakeholders.

You will work closely with application development teams, infrastructure teams, vendors, and business partners to resolve complex technical issues, implement enhancements, and contribute to the continuous improvement of our enterprise systems.

What The Role Offers

Production Application Support

- Provide Level 2 and Level 3 support for mission-critical AS/400 (IBM i) applications.
- Monitor and manage production incidents, service requests, and problem tickets.
- Diagnose, troubleshoot, and resolve application and system issues within established service level objectives.
- Participate in on-call support rotations and support critical production events.
- Escalate complex issues appropriately and coordinate resolution across multiple support teams.

Troubleshooting & Problem Management

- Analyze application logs, job logs, spool files, system messages, and performance metrics to identify root causes.
- Troubleshoot application, integration, database,



and performance-related issues.
- Conduct root cause analysis and implement preventive measures to reduce recurring incidents.
- Maintain knowledge articles, operational procedures, and troubleshooting documentation.
- Collaborate with development, infrastructure, and architecture teams on problem resolution.

Application & Database Support

- Support and maintain enterprise applications running on IBM i platforms.
- Develop, modify, and implement application fixes using CL programs and SQL queries.
- Support DB2/400 databases, including data validation, data corrections, and data integrity activities.
- Assist with application enhancements, testing, and implementation activities.
- Ensure application performance and system reliability meet business requirements.

Batch Processing & System Monitoring

- Monitor and manage batch processing, scheduled jobs, interfaces, and system workloads.
- Identify and resolve job failures, processing bottlenecks, and performance issues.
- Proactively monitor system health and application availability.
- Work with infrastructure teams to ensure systems are operating efficiently and within capacity thresholds.
- Support disaster recovery and business continuity activities when required.

Change & Release Management

- Support software deployments, patch implementations, upgrades, and production releases.
- Participate in change management reviews, risk assessments, and implementation planning.
- Coordinate testing activities and perform post-deployment validation.
- Ensure adherence to audit, compliance, security, and operational standards.
- Maintain accurate release documenta

📌 Sr. Cloud Applications Developer (London)
🏢 opentext
📍 London