ElasticSearch Specialist

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, digital trust, cloud, data science, mobile development, machine learning and infrastructure services.

We are composed of 16 entities across 8 countries worldwide that are unified by the Arηs Group, with more than 2500 consultants. This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle.

We are currently looking for an ElasticSearch Specialist to join our growing team in one of the biggest European organizations.

Tasks:

• Support the design and implementation phases of the ElasticSearch solutions used at the client's,  revising and improving on the technical specifications and configurations devised already to account for different use cases;
• Design, implement and maintain operational procedures for the management of the ElasticSearch components and technologies, in support of client's ICT Operations teams.
• Develop procedures for recurring system administration and support for other operations teams, providing awareness sessions where required;
• Practical validation and implementation of the solutions recommended by the leading architect, in conjunction and support of the testing team;
• Provision of technical studies, technical expertise, technical evaluations in relation with ElasticSearch services and components;
• Production of technical documentation;
• Assistance with configuration of the system for production deployment and in training administrators and users;

Who you are:

Mandatory:

• Bachelor plus minimum of 7 years of experience as an IT professional working in a medium-large enterprise ICT environment
• Elasticsearch expertise: good understanding of Elasticsearch architecture, indexing, and search APIs; experience with query optimization, index design, etc.
• Java expertise: proficiency in Java and Spring Boot
• Databases: experience with SQL and relational databases, such as Oracle
• Infrastructure: familiarity with images, containers, Kubernetes
• Semantic search: knowledge about vector search, ranking models, etc.
• Fluency, in English, to at least B2 level according to the CEFR (Common European Framework of Reference for Languages).