Technology Jobs in Sofia, Bulgaria (Now Hiring) — 950 open — Page 18

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

We are looking for an experienced Linux Administrator to join a skilled infrastructure team responsible for the stability, security, and performance of Linux-based systems across physical and virtual environments. You will collaborate closely with engineering and operations teams, acting as a key technical resource for system optimization, troubleshooting, and infrastructure improvements. This is a hands-on role where you will have direct ownership of critical systems that power our business operations.

Here you will have the opportunity to make a meaningful contribution to global technological progress while at the same time advancing your own skills and career.

This is you

• You are a skilled Intermediate Linux Administrator with 3–5 years of hands-on enterprise-level experience in managing Linux/Unix environments.

• You have a deep mastery of Linux operating systems, including kernel tuning, file system management (LVM, RAID), and advanced command-line proficiency.

• You have hands-on experience with Puppet as a configuration management tool - which is mandatory for this role.

• You possess strong networking and operational infrastructure knowledge, including TCP/IP, DNS, DHCP, SMTP/email services, NTP, IP routing, and/or OS-level firewall configuration.

• You are proficient in automating routine tasks using scripting languages such as Bash, Python, or Perl.

• You are familiar with Git and GitFlow-based processes for managing and versioning infrastructure and configuration changes.

• You are proactive about system health, security, and performance, and you thrive in troubleshooting complex infrastructure issues.

• You take ownership of system stability and security, and you enjoy working collaboratively to drive continuous improvement.

Nice to have skills:

• Experience with Google Cloud Platform (GCP) infrastructure

• Hands-on experience with Terraform (Infrastructure as Code)

• Familiarity with Ansible for configuration management

• Knowledge of Docker, Kubernetes, or Docker Swarm

• Certifications such as RHCSA, RHCE, or GCP Professional Cloud Architect

This is your role

• Install, configure, and maintain Linux/Unix-based servers in both physical and virtual environments, ensuring system stability, reliability, and optimal performance.

• Monitor system health (CPU, memory, storage, network usage) and proactively identify and resolve performance bottlenecks.

• Implement and maintain security hardening standards, manage user access and permissions, and ensure timely patching and vulnerability remediation.

• Manage and execute regular backup procedures, and maintain and test disaster recovery processes to ensure data integrity.

• Participate in on-call support for business-critical infrastructure if required.

What awaits you at Avenga?

Through our values, Better Minds, Bolder Ideas, and Bigger Hearts, we strive to provide you with the tools, autonomy, trust, and assistance you need to excel. Enjoy benefits like private health insurance, well-being programs, flexible and hybrid work models, laptops and gear, training, language classes, social events, great offices, and more.

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.