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Senior Microsoft Systems Engineer

Uni Systems

Athens, Attica, Greece Hybrid permanent

Posted: December 1, 2025

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Quick Summary

We are looking for a Senior Microsoft Systems Engineer to join our ICT Services Technical Division, part of our UniQue Modern Workplace & Cloud Services team.

Job Description

We are continuously growing, and we are looking for a Senior Microsoft Systems Engineer to join our UniQue Modern Workplace & Cloud Services team, part of our ICT Services Technical Division.

Our UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one thing in common: passion for technology and innovation!

For the Senior Microsoft Systems Engineer position, we expect you to:

• Be responsible for the design, implementation, optimization, and support of intricate IT systems utilizing Microsoft technologies.
• Manage remote and on-site as well as maintain customers' IT infrastructure.
• Be involved in investigating and resolving cases.


Requirements:
Your experience, skillset and qualifications are going to help you succeed in this position, moving forward.

• University/College degree in Computer Science, Information Technology or other relative discipline.
• 5+ years of proven working experience in a similar role, supporting IT infrastructure environments.
• In depth expertise in Windows Server and Microsoft technologies.
• Proficient in managing and deploying Active Directory and Federation Services.
• Expert in administering Group Policy within large-scale organizations.
• Solid knowledge in configuring and troubleshooting DNS, DHCP, CA and other core infrastructure services.
• Hands-on experience with System Center components, (SCVMM, SCOM, and SCCM).
• Skilled at performance tuning, log analysis, and capacity planning.
• Knowledgeable in implementing MS High Availability and Failover Clustering.
• Familiarity with Hyper-V and other virtualization platforms.
• Experience with Exchange Server (on-premises and online) is considered an asset.
• Proficient in scripting and automation using PowerShell or comparable tools.
• Knowledge of Azure and other cloud platforms is preferred.
• Strong analytical and problem-solving skills.
• Excellent communication with business stakeholders.
• Ability to produce clear deployment documentation.
• Expertise in planning and change management.
• Proficient in English (verbal and written).
• Willingness to travel internationally (mainly within the EU, up to 5% of time).


Benefits:
What are we offering to our UniQue IT People?

• People-first approach and open environment to express your ideas
• Work-life balance and a hybrid work model
• Continuous training and development
• Opportunities to join innovation initiatives
• Ticket restaurant – meal vouchers
• Corporate laptop and equipment
• Corporate mobile phone subscription
• Health and insurance plan for you and your family members
• Employee consulting and guidance support
• Discounts on the services and products of our Group’s companies
• Gift vouchers for major life milestones
• Special work schedule on summer Fridays and birthdays

Our UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience have made us the leading and reliable systems integrator of today and have contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people and supports the free sharing of ideas and the flow of information via open communication while appreciating and effectively utilizing the talents, skills, and perspectives of each employee.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

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