SYSTEM ADMINISTRATOR

Publication Date:  Feb 10, 2026
Ref. No:  543184
Location: 

Kartal, TR

About Atos

Atos Group is a global leader in digital transformation with c. 72,000 employees and annual revenue of c. € 10 billion, operating in 68 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

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.

 

System Administrator

Job Description:

  • Take responsibility for various IT systems (SCCM, Active Directory, Exchange and other messages systems, Endpoint Security, VDI, etc.) in a multiskilled approach.
  • Design, install, configure, test, and maintain IT systems and system management tools.
  • Manage and monitor installed systems.
  • Proactively ensure the highest level of service availability in a 24/7 production environment.
  • Provide 3rd level support.
  • Maintain a proactive view on capacity and performance of IT systems.
  • Conduct regular performance analysis to identify and mitigate performance flaws.
  • Enable automation.
  • Contribute to and maintain system standards.
  • Develop and maintain installation and configuration procedures.
  • Develop and maintain security, backup and redundancy strategies.
  • Train 1st and 2nd level support teams.
  • Perform periodic performance reporting to support capacity planning.
  • Maintain operational, configurational, and other procedures.
  • Maintain topology, inventory, and service specification documents.
  • Liaise with vendors and other IT personnel for problem resolution.
  • Provide consultancy and input to solution design, pre-sales, service delivery.
  • Communicate technical and non-technical information to technical support groups, customer support centers and end-users as require
     

Job Requirements:

  • At least 2-5 years of hands-on experience in System Administrator/Engineer positions.
  • Bachelor’s degree in computer, Electrics/Electronics Engineering, or related departments.
  • Very good command of English.
  • One or more items of the following technical skill sets are required in line with the ITIL methodology:
  • Experience with Microsoft Windows NT based operating systems design, implementation, maintenance, administration and troubleshooting in an enterprise environment.
  • At least 3 years of hands-on experience in following Microsoft SCCM features.
  • ZTI & LTI OS deployment with Microsoft Deployment Kit
  • Server and Client Patch and software deployment / Reporting
  • Hardware and Software inventory and asset management tracking
  • Desired Configuration Management and compliance reports
  • Software and script packaging

 

What We Offer

 

GPTW Certified Company

Competitive Compensations And Benefits

Flexible benefit program

Private health insurance

Life insurance

Performance Bonus

Accolade bonus

Referral bonus

Transportation allowance

Meal allowance

Kindergarten allowance

Buddy program

Flexible working hours at Atos or home office

Company SIM card

Days of annual leave above the legal minimum

Atos University Access – Professional and personal development through continuous education and certification

Wellbeing days

Friendly working environment

BYOD - Bring your own mobile device campaign

 

#LI-Turkey

Here at Atos, we want all 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 our employees have an equal opportunity to contribute and feel that they are exactly where they belong.