Linux System Engineer

Are you ready to embark on an exciting journey with Coreso, a dynamic and fast-paced company at the forefront of the European energy landscape? As a Regional Coordination Center (RCC), Coreso plays a crucial role in coordinating high-voltage electricity flows for European Transmission System Operators (TSOs), ensuring the security of electricity supply on a regional basis.

Your new career in Coreso 

Are you ready to take on a key role at Coreso, ensuring the reliability and security of critical IT infrastructures that support the European energy sector? Join us as a Linux System Engineer and contribute to our mission of maintaining a stable, high-performance, and secure IT environment.

As part of our IT Operations team, you will play a crucial role in designing, implementing, and maintaining our Linux-based systems. Your expertise in system administration, automation, troubleshooting, and security hardening will help optimize performance and ensure the resilience of our infrastructure.

If you thrive in a dynamic, mission-driven environment, enjoy solving complex challenges, and want to make a tangible impact in the energy sector, we’d love to hear from you!

Let us give you a preview of your future mission!

As a System Engineer, you will play a key role in providing expertise in system administration, troubleshooting, performance optimization, automation, and security hardening. Your contributions will be essential in enhancing system reliability, optimizing performance, and driving the continuous improvement of Coreso’s services.

Key Responsibilities

• Deploy, configure, and maintain Linux servers and related infrastructure to ensure high availability and performance.

• Perform system administration tasks, including monitoring, troubleshooting, and performance tuning, to maintain a stable and efficient environment.

• Implement and manage automation tools such as Ansible to streamline system provisioning and configuration management.

• Enhance system security by applying best practices, security controls, and proactive threat mitigation measures.

• Manage and optimize an in-house Kubernetes cluster for container orchestration and workload scalability.

• Oversee and fine-tune on-premises environments running CentOS and RedHat to ensure optimal performance and reliability.

• Develop and maintain shell scripts and automation scripts to simplify and improve system management processes.

• Collaborate closely with development and operations teams to enhance system reliability, scalability, and efficiency.

• Implement and maintain robust backup and disaster recovery strategies to ensure business continuity.

• Stay ahead of industry trends by continuously learning and applying the latest best practices and emerging technologies.

What are we looking for?

Required Qualifications & Skills

• Experience: 5+ years in Linux system engineering or administration.

• Operating Systems: Proficiency in Linux distributions such as CentOS and RedHat.

• Scripting & Automation: Experience with Bash, Python, Perl, or other scripting languages.

• Configuration Management: Strong knowledge of Ansible.

• Networking: Solid understanding of TCP/IP, DNS, firewalls, and load balancers.

• Security: Familiarity with Linux security hardening techniques and compliance standards.

• Containers & Orchestration: Experience with Kubernetes cluster management.

• Storage & Backup: Knowledge of RAID, LVM, SAN, NAS, and backup solutions.

• Monitoring & Logging: Experience with tools like Nagios, Zabbix, Prometheus, or ELK stack.

• Version Control & CI/CD: Experience with Git, Jenkins, and CI/CD pipelines is a plus.

• Soft Skills: Excellent troubleshooting, problem-solving, and communication skills.

Preferred Qualifications

• Certification such as RHCE, RHCSA.

• Experience with Infrastructure as Code (Terraform) and DevOps methodologies.

• Familiarity with hybrid cloud environments and multi-cloud strategies.

Our Offer

• A full-time permanent contract in a stable, multilingual, and international environment.

• We provide competitive salary package complemented by extra-legal benefits e.g., insurance, mobility solutions, pension plan, 35 holidays/year...

• We offer remote work policy to support a healthy work-life balance (60-40% office – home)

• Our offices are in the heart of the European district of Brussels, easily accessible by public transport.

• Fun activities throughout the year like after-works, teambuilding's and more

If you are excited about becoming an integral part of our team and driving positive change in the energy industry, we look forward to welcoming you to Coreso.

Join us on this thrilling journey and seize the opportunity to grow both professionally and personally.

The role requires adherence to internal information security policies and procedures, in line with the organisation’s ISO standards.