System Administrator

Join the best bank to work for in Bulgaria*

Who we are:
Do you want to join a well-established bank with a start-up culture? No, we’re not joking!

We, at tbi, have been one the most profitable banks for years and we are growing at a fast pace. We’re a bank with a long history of success that operates as a start-up and we’re always on the lookout for new opportunities to grow our business. How do we do that?

It's all about our people. Our team is made up of brave, passionate and caring people who don’t just want to follow the same path – we want to transform into mobile-first, state-of-the-art lifestyle ecosystem. Our colleagues love working here – 70% of them would recommend tbi as an employer to their friends and family. Our people are engaged in challenging and meaningful work, inspired to grow their potential and career, encouraged to learn and empowered to take decisions. That’s not corporate babble, it’s what our people say.

Do you want to play a key role in our unique success story?

If so, we're looking for a System Administrator to join our team on the journey to success!

What You’ll do:

• Perform day-to-day operational tasks to ensure that the servers and the virtual environments are operating appropriately, be available to support the business needs, and any operational issues are proactively resolved

• Create server configurations and server deployment, perform upgrades and patching to operating system and security software, create and update system documentation, and respond to escalated end-user requests

• Be responsible for assisting in the development of service capacity, availability, and demand management plans for the assigned systems and for the development of the business continuity and disaster recovery plans that are needed to support the business and process operations

• Provide operational support for servers running Windows Server and Linux operating systems

• Undertake design and administration of Active Directory and ensure policy enforcement

• Operate and maintain virtual environments (Hyper-V/Vmware) and backup technologies

• Implement disaster recovery

• Proactively monitor systems, report/and troubleshoot issues

• Perform system changes such as software deployments and upgrades

• Design, implement and maintain comprehensive infrastructure monitoring and alerting solutions to ensure high availability and performance across physical, virtual, and cloud environments

• Analyze historical monitoring data and log trends to support capacity planning, root cause analysis (RCA) for critical incidents, and continuous infrastructure optimization

• Implement and maintain infrastructure security baselines and collaborate with the security team to remediate vulnerabilities discovered during audits or scans
  
  

What you’ll need to succeed:

• Bachelor’s degree in Computer Science, Information Technology, or a related field

• 4+ years of experience in a similar role

• Hands-on experience with Microsoft Windows Server administration, including installation, configuration, maintenance, and support of all Windows Server versions

• PowerShell scripting and task automation

• Hands-on experience with Linux distributions like RHEL, Debian and etc. administration, including installation, configuration, maintenance, and support

• Strong understanding of TCP/IP networking concepts and protocols

• Experience managing Active Directory environments, including administration of forests and domains, object creation and management, Group Policy (GPO) configuration and troubleshooting, as well as PKI and DNS infrastructure management within Active Directory

• Experience with Active Directory migrations is considered a strong advantage

• Familiarity with virtualization technologies such as Hyper-V and/or VMware, including experience creating, managing, and supporting virtual machine environments

• Hands-on experience with enterprise backup and recovery solutions and proven experience in executing Disaster Recovery scenarios

• Solid understanding of enterprise server hardware and storage technologies (SAN, NAS, Fiber Channel, iSCSI)

• Experience with Microsoft Exchange and Microsoft 365 / Office 365 administration

• Fluency in English - both written and spoken

• Strong collaboration skills to work effectively with cross-functional teams

• Excellent problem-solving skills and the ability to analyze complex technical issues

  
  

What we offer:

• Seize the opportunity to grow your career

• Engage in exciting and meaningful work

• Get recognition for your work and attitude

• Become part of a large, friendly and supportive team with 23 nationalities

• Get additional private health insurance

• Receive special prices for multisport card and multiple retailers

• Obtain preferential prices for our banking products

• Enjoy a great location in Sofia’s city centre near National Palace of Culture and South Park

• Bring your furry bestie: Let's make work pawsome

Visit our Career Page to learn more about what makes us different.

If this sounds like something you’d be interested in, we'd love to hear from you!

To apply for this position, please send us your CV in English.

We'd love to get back to everyone, but due to the number of applications we receive, we can only contact the shortlisted candidates.

*We are ranked the top bank and top 3 employer to work for in Bulgaria according tо WhereWeWork 2025 employer ranks.

All applications are treated with utmost confidentiality.

By submitting your job application to tbi bank, you confirm that you have read the document named “Information related to personal data processing for job applicants” publicly available on tbi Career page.