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, business intelligence and infrastructure services.
We are composed of 13 entities across 6 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 Description
We are looking for a Senior System Engineer to join our growing team in one of the biggest European organizations.
- Deployment of application of hotfixes/patches.
- Infrastructure as a Service (IaaS) and Platform as a Service (PaaS) resources administration(Azure-AWS).
- Update management of Windows Azure/AWS VMs.
- Upgrade/Migrate Microsoft Windows server instances to the latest OS versions.
- Monitor the performance of servers, anticipate issues, and propose solutions.
- Automated configuration management of on-premises and cloud infrastructure (e.g., Ansible/Terraform).
- Second-tier incident management and apply mitigations or solutions.
- Modern authentication administration (ENTRA ID, OAUTH 2/OpenID/SAML).
- Windows Server administration (VMs, AD, ADFS, MIM, etc.).
- Investigation of the root cause of incidents and proposal of permanent solutions.
Advantageous
- Update management of Linux Azure/AWS VMs.
- Web Application Firewall administration.
- Load Balancer administration.
- Application Gateway administrator.
- Hardening of Windows/Linux servers.
- Ubuntu Linux server Management/Updates.
Qualifications
Who you are:
Mandatory requirements:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- Proven experience with Azure and AWS cloud environments.
- Strong knowledge of Windows Server administration and modern authentication protocols.
- Hands-on experience with automation tools (e.g., Ansible, Terraform).
- Familiarity with troubleshooting tools and techniques for both on-premises and cloud environments.
- Experience with Linux server administration and hardening.
- Expertise in managing load balancers, web application firewalls, and application gateways.
- Analytical and problem-solving skills.
- Ability to work under pressure and handle incidents efficiently.
- Strong communication and teamwork abilities.
- Commitment to continuous learning and improvement.
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.
