it systems engineer
Sep 6, 2026 · ACS Athens (American Community Schools)
What you'll do
- Administer and maintain Microsoft Local Active Directory and synchronize with Azure AD / Microsoft 365
- Manage user accounts, group policies, permissions, and security groups
- Oversee health, updates, and licensing of Microsoft 365 ecosystem
- Monitor and maintain VMware ESXi and vCenter virtualized environment
- Ensure health, security patching, and maintenance of Windows servers
- Assist with central software deployment and endpoint management using tools like SCCM
- Perform routine data protection tasks and system backups
- Provide Tier 2/3 technical support for Windows workstations, macOS, and mobile devices via MDM
- Troubleshoot hardware and software issues with staff and students
- Collaborate with IT team on network troubleshooting using knowledge of network protocols
Key requirements
- 3+ years' experience
- Windows Server, Active Directory, and Azure AD / Microsoft 365 administration
- TCP/IP protocol, DNS, DHCP, and subnetting knowledge
- VMware ESXi and vCenter virtualization
- SCCM for software deployment and endpoint management
- Technical support and problem solving skills
- Mobile Device Management for macOS and mobile devices support
- Communication skills to interact with non-technical users
- Computer Science / Computer Engineeringpreferred
About the job
ACS Athens is seeking a skilled and collaborative IT Systems Engineer to join our dedicated IT team. In this role, you will be the primary custodian of our core identity and systems infrastructure, ensuring that our 18 local servers, Azure/M365 hybrid environment, and 560+ Windows workstations run seamlessly.
This role includes actively engaging with our faculty, staff, and students to understand their technical needs, support their daily operations, and help plan practical software implementations that enhance the educational experience.
Key Responsibilities
Identity & Hybrid Cloud Management
Administer and maintain the Microsoft Local Active Directory infrastructure and its synchronization with Azure AD / Microsoft 365.
Manage user accounts, group policies (GPOs), permissions, and security groups for faculty, staff, and students.
Oversee the health, updates, and licensing within the M365 ecosystem.
Infrastructure & Server Maintenance
Monitor and maintain the school’s virtualized environment using VMware ESXi and vCenter.
Ensure the health, security patching, and routine maintenance of 18 on-premises Windows servers.
Assist with central software deployment and basic endpoint management (training will be provided on our internal deployment tools like SCCM).
Handle routine data protection tasks and system backups.
Hardware & User Support
Provide Tier 2/3 technical support for 560+ Windows workstations, as well as light support for occasional macOS and mobile devices (managed via MDM).
Interact directly with school staff and students to troubleshoot hardware/software issues, diagnose system bottlenecks, and gather requirements for new software deployments.
Collaborate with the broader IT team on network troubleshooting, leveraging a solid understanding of network protocols to diagnose connectivity issues before escalation.
Qualifications & Skills
Education: Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or a related field preferred (relevant certifications or equivalent practical experience will also be evaluated).
Experience: 3–5 years of experience in Systems Administration, Technical Support, or a similar IT role.
Core Tech: Strong hands-on experience with Windows Server, Active Directory, and Azure AD/M365 administration.
Networking Foundations: Good working knowledge of the TCP/IP protocol, core networking concepts (DNS, DHCP, subnetting), and basic troubleshooting tools.
Virtualization: Familiarity with VMware vSphere (ESXi/vCenter) operations (VM creation, monitoring, basic provisioning).
Soft Skills: Excellent communication and interpersonal skills. The ability to listen to non-technical users (teachers/students), understand their needs, and translate them into technical solutions.
Problem Solving: A methodical approach to troubleshooting hardware, OS, and software deployment issues.
Language: Fluency in English (written and verbal). Greek language skills are a plus but not required, as ACS Athens operates in an international English-speaking environment.




