Senior Business Systems Engineer (based in Crete)

<h2>International Airport of Heraklion, Crete S.A. is currently looking for a:</h2><h2>Senior Business Systems Engineer (based in Crete)Responsibilities</h2><ul>
<li>Support Microsoft 365, Entra ID, Intune, Windows 365 and related services within the team service boundary</li>
<li>Work with identity lifecycle, enterprise applications, service principals, MFA, Conditional Access and device-management dependencies</li>
<li>Use PowerShell, APIs, Git and modern engineering practices to automate repeatable administration and improve service reliability</li>
<li>Diagnose Windows Server, Active Directory, DNS, virtualization, storage, Azure, database, backup and certificate dependencies where they underpin an owned Business System</li>
<li>Lead technical investigations for escalated incidents, participate in RCA and maintain clear evidence, workarounds and recovery actions</li>
<li>Provide L2 support for enterprise and departmental Business Systems and retain technical ownership through incident resolution</li>
<li>Troubleshoot application, identity, integration, data-access and service-dependency issues end-to-end before escalation</li>
<li>Support HDS / ITSM, EMS / Enterprise Management, SAP / ERP technical dependencies, Power Platform, Power BI / Fabric and other assigned business applications</li>
<li>Participate in FAT/SAT/UAT, supplier handover, go-live, hypercare and transition to BAU</li>
</ul><h2>Requirements</h2><ul>
<li>Bachelor's degree in Computer Science, Information Technology, Information Systems, ICT / Systems Engineering or a related technical field; a relevant Master's degree is an asset</li>
<li>Relevant Microsoft 365, Azure, Entra, IT service management or comparable enterprise-technology certifications are highly desirable</li>
<li>Minimum 5 years of hands-on experience in complex ICT environments with enterprise applications, Microsoft cloud services, identity, automation or production support; senior ownership, mentoring or supplier coordination is an advantage</li>
<li>Working knowledge of Azure, Windows and identity fundamentals, with PowerShell or comparable scripting / automation capability</li>
<li>Excellent command of English, both written and verbal</li>
</ul><h2>Competencies</h2><ul>
<li>Strong team orientation, ownership mindset, communication and problem-solving skills</li>
<li>Structured incident diagnosis, problem solving and clear technical communication</li>
<li>Ability to coordinate effectively with users, ICT peers and external suppliers</li>
</ul>