# Technical Lead

> COSMOTE GLOBAL SOLUTIONS NV · Luxembourg, Luxembourg (Hybrid) · Contract · Posted 2026-03-13

**Workplace:** hybrid

## Description

**COSMOTE Global Solutions**, a proud member of the **OTE Group of Companies**, stands at the forefront of the ICT industry, offering innovative technological solutions and services across various sectors.

As a **Technical Lead**, you will be instrumental in guiding development teams towards achieving high-quality deliverables, aligning with the company's strategic objectives while fostering an environment of collaboration, learning, and innovation.

**Key Responsibilities:**

-   Analyze requirements, systems and integration interfaces, including the domain of Swift message processing
-   Design, development, testing and deployment of message flows deployed on IBM AppConnect Enterprise (ACE)
-   Troubleshooting, root-cause analysis and resolution of production issues with ESB services.
-   Document integration solution design, configuration and deployment procedures, creating user guides and technical documentation for developers and platform engineers.
-   Provide Support and maintenance of IBM App Connect Enterprise (ACE), IBM Transformation Extender (ITX), IBM MQ Series and WSO2 Micro-integrator deployed on Linux OS and IBM MQ.
-   Monitor the health, performance, and availability of ESB infrastructure and services, and proactively identify and resolve issues.
-   Raise and coordinate resolution of issues with middleware provider support teams.
-   Perform middleware patching and upgrades.
-   Participate to the failover and disaster recovery tests.
-   Automation of certain manual process using Ansible and Azure DevOps pipelines.

## Requirements

-   Bachelor’s/Master’s Degree in computer science, mathematics, physics or engineering (or equivalent applied experience)
-   10+ years of working experience in similar roles/positions
-   Knowledge in IBM AppConnect Enterprise (ACE)
-   Knowledge in IBM Transformation Extender (ITX)
-   IBM MQ
-   WSO2 Micro-Integrator
-   SWIFT message processing and formats (MT and MX formats)
-   Data transformation using built-in transformation capabilities on ESB platforms, XSLT or eSQL
-   Message queuing systems, protocols, and standards (e.g., MQ, SFTP, SOAP, REST).
-   Programming languages like Java, Python or C#
-   Authentication and authorization protocols
-   SQL
-   Troubleshooting and investigation tools: scripting tools (Bash, Phyton), web services testing tools (SOAP UI, Postman)
-   DevOps tools such as: Git, Jira, Azure DevOps, log aggregators like Splunk or ELK
-   Analyze requirements, systems and interfaces to understand integration needs.
-   Develop integration interfaces using IBM ACE and IBM MQ, including interface bespoke customizations.
-   Using message queuing systems, protocols, and standards (e.g., MQ, SFTP, SOAP, REST).
-   Handling SWIFT messages within application flows
-   Using best practices to design new message flows
-   Enforcing authentication and authorization in message flows using OAUTH, WS Security or certificate-based authentication protocols;
-   Administering/troubleshooting IBM ACE and IBM MQ Series.
-   Experience with scripting languages (e.g., Bash, Python), web services testing tools (SOAP UI, Postman) for automation and monitoring tasks and log monitoring : events, errors via Splunk, ELK or equivalent tool

## Apply

[Apply at COSMOTE GLOBAL SOLUTIONS NV](https://apply.workable.com/cosmote-global-solutions-nv/j/7AAB31C018/apply)

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