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, business intelligence and infrastructure services.
We are composed of 13 entities across 8 countries that are unified by the Arηs Group, with more than 1750 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.
Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.
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: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.
Job DescriptionThe Data Centre Infrastructure Systems Engineer is responsible for the full operational and physical upkeep of the client's Data Centre. The role includes managing VMware virtualisation, Windows, and Linux systems, as well as supporting and maintaining all storage, backup solutions, and domain name services.
Key Responsibilities
Linux Systems Administration & Automation
Provide expert-level support for Red Hat Enterprise Linux (RHEL).
Design, develop, and automate VM provisioning and deployment processes.
Perform upgrades, patching, and scripting to enhance efficiency.
DNS Infrastructure Management
Manage and secure chrooted BIND DNS servers.
Optimise and document DNS management procedures.
Data Centre Operations & Virtualisation
Administer VMware vSphere 8 farm via vCenter and Aria Operations.
Manage DELL PowerStore 3200T iSCSI shared storage.
Operate DELL PowerProtect (PPDM) Backup and DataDomain systems.
Diagnose and resolve hardware-related issues; liaise with vendors.
Implement strict security protocols across the data centre.
General Operations & Collaboration
Work closely with IMT colleagues to optimise the Hybrid Data Centre.
Carry out additional tasks as assigned to support the team’s success.
- Bachelor’s degree with a minimum of 4 years of relevant professional experience.
- Hands-on experience with Red Hat Enterprise Linux OS.
- Experience managing BIND DNS.
- Experience managing VMware vSphere.
- Experience implementing iSCSI and other network protocols.
- Proven experience with PowerStore storage.
- Experience with enterprise backup systems (PPDM, DataDomain).
- Advanced Linux system administration and automation (Ansible, scripting).
- DNS management and security (BIND, DNSSEC, zone transfers).
- Strong expertise in VMware ESXi & vCenter (installation, configuration, troubleshooting).
- Proficiency with iSCSI network configuration and Dell EMC PowerStore arrays.
- Hardware troubleshooting and vendor collaboration skills.
- Ability to implement and enforce security best practices in a data centre.
- Excellent command of English (spoken and written).
- Basic knowledge of French (desirable).
- Proficiency with MS Office Suite (Word, Excel, Outlook, PowerPoint).
- Familiarity with MS SharePoint and Visio.
Desirable
- Relevant Microsoft/Linux/VMware certifications.
- Experience with containers or Red Hat OpenShift.
- Practical experience updating Dell server firmware (BIOS, RAID, NICs).
- Strong documentation habits (systems, processes, configurations).
Top Skills
What We Do
Arηs Group is a market leader in the management of complex IT projects and systems. Founded in Luxembourg in 2003, we’ve grown organically to encompass 16 entities worldwide with over 2,500 employees in Luxembourg, Belgium, France, Greece, Italy, Portugal, Bulgaria and Jordan. With our focus on getting things done, we help our clients achieve their goals with best-of-breed solutions, superior execution and exceptional services. We offer bespoke software development, data science, infrastructure, digital trust and mobile development to government institutions at national and European level, telecom providers, and financial institutions, among others. Our bold company culture is built around working hard and playing hard, with a flat and agile structure that lends itself to efficiency and employee empowerment. We value our diverse workplace of close-knit teams and provide a place where everyone can be supported to learn and evolve.
