COSMOTE Global Solutions NV is seeking an experienced AI/NLP/ML Expert to join our innovative team. As a leading ICT Systems Integrator and member of the OTE Group of Companies, we deliver cutting-edge ICT solutions and services across Cloud, Big Data, Networking, Cybersecurity, and more.
In this role, you will be responsible for designing, developing, and deploying advanced AI, NLP, and Machine Learning models tailored to our business needs. You will collaborate with cross-functional teams to integrate intelligent solutions and drive impactful insights from large datasets.
Responsibilities:
- Design, implement and maintain a scalable, reliable and secure hybrid cloud ML Ops infrastructure to deploy, test, manage and monitor ML models in different environments;
- Development and maintenance of software applications in the field of Natural Language Processing (NLP), Machine Learning (ML), Deep Learning (DL) and/or Artificial Intelligence (AI);
- Work closely with data scientists and back-end developers to build, test, integrate and deploy ML models;
- Analyse performance metrics and troubleshoot issues to ensure high availability and reliability;
- Design CI/CD pipelines, use orchestration solutions and data versioning tools;
- Creating automated anomaly detection systems and constant tracking of its performance and optimising ML pipelines for scalability, efficiency and cost-effectiveness.;
- Design the IT architecture for solutions in the NLP / ML / AI fields, and coordinate its implementation considering master- and meta-data management concepts;
- Provision of security studies, security assessments or other security matters associated with information system projects;
- Provision of support and guidance to other team members on MLOps practices.
Requirements
- Master’s degree in Computer Science, Data Science, Artificial Intelligence, or related field.
- 13+ years of experience in IT
- Excellent knowledge of managing an on-prem and/or cloud MLOps infrastructure.
- Excellent knowledge of containerization and orchestration platforms (e.g. Kubernetes, Docker, Podman, EKS, PKS) Good knowledge of MLflow, TensorFlow (TFX) or equivalents.
- Good knowledge of Airflow
- Good knowledge of AWS and/or Azure.
- Good knowledge of Python.
- Good knowledge of Unix and Bash.
- Good knowledge agile software development methodologies.
- Good knowledge of infrastructure as code (Terraform, CloudFormation)
- Good knowledge of messaging services and platforms (e.g. Kafka, Redis, RabbitMQ).
- Knowledge of data security measures (knowledge of encryption mechanisms and ML security is considered a plus).
- Knowledge of NoSQL databases, such as Elasticsearch, MongoDB, Cassandra, HBase, etc.
- Knowledge of query languages, such as SQL, Hive, Pig, etc. and with information extraction.
- Experience with data analytics over big datasets, non-structured databases as well as data lakes.
- Experience with monitoring and logging tools (e.g. ELK stack, Prometheus, Grafana, OpenTelemetry, Cloudwatch)
- Experience with model testing and model validation in production environments
- Ability to write clear and structured technical documentation
- Excellent knowledge of on-prem or cloud solutions for data science applications.
- Ability to give business and technical presentations.
- Ability to apply high quality standards.
- Ability to cope with fast changing technologies.
- Very good communication skills with technical and non-technical audiences.
- Analysis and problem-solving skills.
- Capability to write clear and structured technical documents.
- Ability to participate in technical meetings and good communication skills.
Optional certifications:
- AWS Certified Machine Learning.
- Microsoft Azure AI Engineer Associate.
Top Skills
What We Do
COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services. CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services. OTE Group: OTE Group is the largest technology provider in Greece. It is one of the top three listed companies with respect to capitalization, in the Athens Stock Exchange. Deutsche Telekom holds 46.9% of OTE’s share capital and the Greek State holds 5.6%. Find More about OTE Group Our Vision: We digitize societies so that everyone can live and enjoy at the fullest all possibilities offered now while also building on them for a better tomorrow. Our Mission: • We bring the best communication services to our customers • We connect people • We entertain • We help businesses grow. • We are leaders, pioneers, pillar of the economy and society • With passion, faith and commitment • We constantly strive to become better on all fronts • We have a positive impact on society and the environment







