Senior Systems Engineer (Big Data)

  • Athens, Greece
  • Full-time

Company Description

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.

Job Description

Are you a keen problem solver

Do you enjoy bridging the gap between development and operations? 

We’d like to meet you! 

Arhs Developments Hellas is looking for Senior Systems Engineer to join one of our core teams that work for a big project in the Big Data & Data Analytics Department. 
You will participate in the deployment and configuration of on-prem and cloud-based data lakes and you will also be responsible for various dev-ops and data-ops implementations.  

At the end of your day, you will deploy a mix of open source and commercial platforms and tools such as Hadoop, Kafka, Kubernetes, and non-SQL databases, for building big data clusters. You must be responsible for installing all the necessary components starting from the operating system, as well as tasks like security hardening, performance optimization, IP L3 network design & configuration etc. You will work closely with Data Engineering and Data Science teams to build dev-ops and data-ops environments that will seamlessly deploy data applications from development to production clusters.  


  • Computer Science or another equivalent university degree  

  • Proven experience Experienced with Linux OS systems installation  

  • Proven experience of Bash Scripting  

  • Proven experience Linux IP L3 Network configuration  

  • Proven experience with storage systems (such as RAID, Common Storage, NAS, Software-Defined Storage)  

  • Proven experience in Linux Security Hardening and encryption (e.g. data encryption, Kerberos authentication etc.)  

  • Proven experience in Dev-Ops with Kubernetes  

  • Experienced in Hadoop or other big data technology stack  

  • Experienced in Java or Python   

  • Experienced with Kafka  

  • Experienced with Linux High Availability  

    Bonus skills 

  • Postgraduate degree in Data Analytics  

  • Working experience with building disaster/recovery sites  

  • Working experience with AWS, Azure, Google Cloud  

  • System Administration Certification or experience with Cloudera CDH / CDP  

  • Experience with any of the following Kubernetes platforms: Openshift, Rancher, k0s  

  • Experience with IBM’s Cloud Pack for Data  

  • Experience with DBs like Oracle Exadata, Teradata, Greenplum etc.  

Additional Information

What’s in it for you 

  • We want you to be well compensated for what you bring in, so we offer an attractive salary package 

  • Not a morning person? Enjoy our semi-flexi working hours

  • Your health matters to us, so you’re secured with a health insurance plan from day one 

  • We chat a lot, so you’ll be equipped with a mobile phone & data plan 

  • If you’re a big foodie (like us) you’ll appreciate the ticket restaurant card to spend in restaurants or grocery shops to spoil yourself and your family 

  • Enjoy snacking during breaks? Grab some fresh fruits from our kitchen available in the office each week 

  • Developer’s fuel is coffee, and the supply source is in our kitchen! 

  • We are excited for challenges, so your are invited to take part in exciting projects that make a difference in peoples’ lives at national and European level 

  • We never stop learning and evolving! To keep up with ARHS level, join our own training sessions and online courses that we provide 

  • We love the ARHS vibes so we gather on a smaller and bigger occasions to celebrate good times together! Take a sneak peek below! 

Privacy Policy