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Cosmote Global Solutions

Technical Lead

Cosmote Global Solutions
Luxembourg · Contract · Mid-Senior
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

Mandatory Knowledge in:

  • 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

Mandatory Competence in:

  • 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

Key Skills

Ranked by relevance

python devops splunk swift bash ui ansible postman linux oauth java jira git elk
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Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Mar 13, 2026
Type
Contract
Level
Mid-Senior
Location
Luxembourg
Company
Cosmote Global Solutions

Industries

IT Services IT Consulting

Categories

Other

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