Senior Application Support Engineer

Role Context

We are looking for a Senior Application Support Engineer specialized in Payments to support, operate, and continuously improve its payment platform ecosystem. The successful candidate will act as the technical expert for VolPay (VolPay by Volante Technologies), working closely with the Service Bureau team, business stakeholders, infrastructure teams, and external partners, including SWIFT.

This role covers production support activities, Level 2/Level 3 incident management, payment flow analysis, platform monitoring, and participation in strategic payment-related projects.

Key Responsibilities

Application Support & Production Operations

Provide functional and technical support for the VolPay platform.

Investigate and resolve production incidents and service disruptions.

Ensure compliance with service level agreements (SLAs).

Communicate effectively with stakeholders throughout incident management activities.

Participate in on-call support rotations.

Monitor recurring issues and drive permanent corrective actions.

Manage Docker container operations, including start, stop, restart, and configuration through Ansible Tower.

Manage Docker upgrades, deployments, and version tracking.

Payments & SWIFT Expertise

Support and monitor international payment processing activities.

Analyze and troubleshoot SWIFT messaging and payment flows, including:

MT103

MT202

MT940

MT950

ISO 20022 messages (pacs, camt, pain)

Work closely with the Service Bureau team on incident resolution and system enhancements.

Investigate payment failures, rejections, duplicates, delays, and reconciliation issues.

Technical Administration & Troubleshooting

Perform advanced troubleshooting on Unix/Linux environments.

Analyze and resolve issues involving:

IBM MQ / MQ Series

PostgreSQL databases

MongoDB databases

Batch processing

File transfers and system integrations

Develop and maintain scripts to automate operational tasks and investigations.

Implement and maintain Splunk monitoring alerts to proactively detect application, infrastructure, and payment-processing issues.

Change & Release Management

Participate in application releases and deployments.

Prepare and execute implementation and rollback plans.

Perform post-deployment validation and production checks.

Contribute to CAB activities and ITIL change management processes.

Continuous Improvement

Identify automation opportunities and operational efficiencies.

Reduce recurring incidents through proactive improvements.

Enhance monitoring, alerting, and reporting capabilities.

Maintain comprehensive technical and operational documentation.

Deployment & RUN Operations

Execute Volpay deployment

Manage Docker container lifecycle (start/stop/restart) via Ansible Tower.

Management of Dockers.

Develop new Ansible templates

Administer and monitor supporting infrastructure: Kafka, Zookeeper, MongoDB

Maintain and improve deployment scripts and procedures (Docker-based)

Required Technical Skills

Payments (Mandatory)

Strong expertise in VolPay or similar payment applications, with hands-on experience managing Docker-based deployments and operations.

In-depth knowledge of international payment processing

Solid understanding of SWIFT messaging standards

Good knowledge of ISO 20022

Systems & Middleware

Strong Unix/Linux administration and troubleshooting skills.

Docker management.

Shell scripting (Bash, Korn Shell)

IBM MQ / MQ Series

APIs and integration technologies

Databases

MongoDB

Advanced SQL skills

Production Support

Application monitoring and alerting tools

Incident and problem management

Log analysis and troubleshooting

Batch scheduling and processing

Candidate Profile

Experience

Minimum 5 years of experience in banking application support.

Significant experience supporting VolPay or a similar payment platform.

Experience within an international banking or financial services environment is highly preferred.

Soft Skills

Strong analytical and problem-solving abilities.

Autonomous and accountable.

Customer and service-oriented mindset.

Excellent communication skills with both technical and business stakeholders.

Team player with the ability to work in a multicultural environment.

Ability to remain effective under pressure in mission-critical environments.