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System Administrator

Publish Date: Aug 28, 2021

Location: Sofia, Bulgaria Wide, BG-Bulgaria

Company: Atos

About Atos

Atos is a global leader in digital transformation with 110,000 employees in 73 countries and annual revenue of € 12 billion. European number one in Cloud, Cybersecurity and High-Performance Computing, the Group provides end-to-end Orchestrated Hybrid Cloud, Big Data, Business Applications and Digital Workplace solutions. The Group is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Atos|Syntel, and Unify. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.




Main Responsibilities: 

  • Provide high-level UNIX system administration for UNIX, AIX & Linux environment 

  • Increase UNIX infrastructure efficiency on a high-scale complexity technical landscape by regular review of the landscape exploring the utilization visible and report possible optimizations 

  • Guarantee a good performance levels of both UNIX servers and Storage subsystems by active performance and system monitoring, preventive maintenance and server tasks automation 

  • Support the HW vendor for the annual OS patching for UNIX environment, 3rd party vendor’s management and collaboration  

  • UNIX Scripting skills required for interface management 

  • Implement integrations requested by customers 

  • Deploy updates and fixes 

  • Responsible for effective Disaster Recovery solution testing according to the yearly DR plans 

  • Ensure that all necessary Security considerations are implemented and considered within the customer environment 

  • Support and manage the Enterprise Disk Storage systems (EMC VMAX3, VNX and IBM DS series) in Central Data Center 

  • Troubleshooting in case of problems related to performance and availability issues


Job Requirements: 

  • Knowledge and experience in UNIX administration including LVM; UNIX scripting skills;

  • UNIX networking including NFS, Samba, CIFS, DNS, routing is strong advantage 

  • Experience in Docker, Docker compose, Docker registries, Api gateway 

  • Good experience on container orchestration technologies 

  • Red Hat Open Shift, Docker, Kubernetes and public cloud 

  • Experience with some of the products: IBM AIX, Linux, PowerVM, VMware, PowerHA is desirable 

  • Enterprise Disk Storage (SAN) management and experience is desirable 

  • Strong troubleshooting and analytical skills 

  • Work in international environment 

  • Written and spoken English is essential 

  • Good communications skills


Some of our employee benefits include:

  • On target bonus

  • Referral bonus

  • Christmas / Easter bonus

  • Marriage / Childbirth gift

  • Medical care incl. dental care, glasses,etc.

  • Life & Disability insurance

  • Additional paid leave

  • Home office

  • Daily internet / transport allowance

  • Discount for Multisport cards

  • Learning hub

If you are challenged by the opportunity to join our team, we would be happy to meet you! Please send us your most recent CV in English.
Only the short-listed candidates will be contacted. All applications will be treated in the strictest confidentiality.


Here at Atos, we want all of our employees to feel valued, appreciated, and free to be who they are at work. Our employee lifecycle processes are designed to prevent discrimination against our people regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes them unique. Across the globe, we have created a variety of programs to embed our Atos culture of inclusivity, and work hard to ensure that all of our employees have an equal opportunity to contribute and feel that they are exactly where they belong.