system administrator @thessaloniki

Your role as a System Administrator will focus on the delivery of client engagements, by understanding objectives for clients’ engagements, aligning your own work to objectives and setting personal priorities, teaming with others across businesses and borders and taking accountability for own and team results. In this role, you will build relationships and exercise your communication skills in order to positively influence your peers and other stakeholders. You will commit to personal learning and development by actively seeking opportunities for growth, you will share knowledge and experience with others, and act as a strong brand ambassador, embracing our purpose and values in order to put these into practice in your professional life.

During your tenure, you will demonstrate and develop your ability to:

• Administer and maintain Windows Server infrastructure, ensuring system reliability, security, and performance.

• Manage and configure Active Directory services, including Group Policy, DNS, DHCP, and user access controls.

• Deploy, monitor, and maintain virtualization environments using Hyper-V and related management tools.

• Support and administer Linux-based systems (Ubuntu, CentOS, RHEL) within hybrid or multi-platform environments.

• Implement and test disaster recovery (DR) and high availability (HA) strategies to ensure business continuity.

• Work with containerization technologies such as Docker, Kubernetes, and OpenShift for modern application deployment.

• Administer and support Office 365 services, including Exchange Online, SharePoint, Teams, and integration with on-premises systems.

• Leverage PowerShell and Bash scripting to automate administrative tasks, configuration management, and reporting.

• Apply DevOps principles to streamline system deployment, configuration, and CI/CD automation workflows.

• Monitor, troubleshoot, and optimize system performance, ensuring adherence to operational and security standards.

#OurRequierements

 Key Qualifications

• Bachelor’s or Master’s Degree in Computer Science, Information Technology, Engineering, Mathematics, or a related field

• Minimum of 6 years of relevant professional experience

• Experience with Windows Server infrastructure and system administration

• Proficient in Active Directory management, including Group Policy Objects (GPO), DNS, and DHCP

• Skilled in Hyper-V virtualization technologies

• Experience with Linux systems such as Ubuntu, CentOS, and Red Hat Enterprise Linux (RHEL)

• Knowledge of disaster recovery (DR) and high availability solutions

• Familiarity with containerization technologies including Docker, Kubernetes, and OpenShift

• Experience administering Office 365 environments

• Integration experience with Microsoft Power Platform

• Proficient in scripting languages such as PowerShell and Bash

• Understanding and application of DevOps practices including continuous integration/continuous deployment (CI/CD), automation, and monitoring

• Strong interpersonal and communications skills in English

#WhoWeAreLookingFor

Individuals who have a strong will to expand their knowledge of new technologies, a passion to grow within the company and aspirations for career growth. At Deloitte we foster a consultative culture because the best decisions are made in collaboration with others. We approach our work with a collaborative mindset, teaming across businesses, geographies, and skill sets to deliver tangible, measurable, attributable impact. These are not aspirations, but principles that we all commit to today and every day.

#WhatWeOffer

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits:

🏠 Modern hybrid workplace, characterized by flexibility and Smart Working

⚖ Empowered well-being: We provide multiple program offerings to support your well-being needs (flexible working arrangements, extra days of leave, parental allowances)

🌍 Engagement within international large-scale teams and projects, with opportunities to travel for training or client purposes

📚 Constant opportunities for learning with unlimited access to internal and external learning platforms and sponsored certificates aligned with business needs and technology trends

🚀 Challenging and innovating environment where personal development and growth are encouraged, always with transparency and trust

👬 Diverse culture and active communities that enable you to bring yourself to work

🎉 Team Building and Corporate Social Responsibility Activities

🏃 A buddy to support you with your onboarding

⚕️ Private medical health insurance plan

💳 Ticket restaurant card

 🛍️ Exclusive Discounts to several retail providers, restaurants and others

 📱 Mobile phone

 🍏 Fresh fruits and unlimited coffee everyday at our offices