Linux Systems Engineer

We are #OPAP

We are the leading gaming company in Greece and one of the most respected in the industry worldwide, with 67 years of history. Our vision is to provide best in class entertainment across retail & online in a safe & responsible way, while generating sustainable value to all stakeholders & giving back to society. Customer centricity, digital orientation, agility, people engagement, and social contribution are embedded in our DNA, fostering a culture that is open, inclusive, adaptive and growth-oriented. Our recently redesigned values focus on Doing what is right, Winning together, and Thinking differently

At OPAP, we have been recognized as a Top Employer in Greece for 3 consecutive years, in 2023, 2024 & 2025 A certification that underlines our commitment to providing a workplace that stands out.

So what's the challenge…

As a Linux Systems Engineer, you'll play a key role in ensuring the stability, scalability, and security of our corporate and gaming systems.

Your day to day will include:

•    Supporting the assessment of the capabilities and limitations of the system and servers infrastructure, recommending solutions to facilitate the planning, design and development of a scalable and agile system architecture

•    Providing upgrade recommendations and technical direction to IT support staff to ensure systems' integrity and availability

•    Automating and configuring management solutions and implementing improvements in deployment automation.

•    Managing, maintaining and monitoring all installed systems and infrastructure as well as identifying and resolving technical problems (2nd or 3rd level of support) in coordination with vendors and other IT personnel to achieve accurate system operation 

•    Accurately, effectively and proactively executing migration and configuration changes to support business efficiency with minimum interruption of daily operations

•    Implementing security, backup, updates, and disaster recovery solutions to ensure the highest level of services and systems availability

•    Collaborating with security and networking teams to implement, expand and fine-tune security policies on central resources and applications configuring user access and permissions in line with approved levels of authority

What you need to succeed:

•    Bachelor's degree in Computer Science, Information Systems Management or relevant field 

•    Minimum 3 years of hands-on experience in managing operating systems and databases

•    Proven working experience in installing, configuring, and troubleshooting of Linux operating systems

•    Proven experience in Virtualization administration (VMware & Hyper-V & KVM)

•    Deep knowledge of core IP services (DNS, DHCP, LDAP, NTP, SMTP etc.)

•    Strong experience with load balancing (HAProxy, Nginx) 

•    Good knowledge of Azure administration

•    Working knowledge of a variety of hardware platforms and software applications

•    Knowledge of database management processes, tools and platforms (SQL, Oracle, Sybase etc.)

•    Proficiency in scripting and automation for routine tasks and deployments.

•    Experience with CI/CD pipelines and tools like Jenkins, GitLab CI, or CircleCI.

•    Familiarity with configuration management tools (Ansible, Puppet, Chef).

•    Good analytical thinking and strong attention to detail

•    Strong achievement orientation and a can-do mentality

•    Team player

What's in it for you?

• An award-winning working environment 
• State of the art facilities including gym & restaurant 
• Hybrid working model 
• Competitive salary package and bonus scheme 
• Health insurance coverage & Pension Plan 
• Monthly food allowance 
• Continuous learning with classroom/digital trainings by OpapAcademy 
• Internal Career Opportunities 
• Well-Being Activities 

OPAP Group is an equal opportunity employer

Does this sound like you? If yes, we would love to meet you