# Senior Business Systems Engineer

> Heraklion International Airport · Heraklion, Greece · Full-time · Posted 2026-11-11

**Workplace:** on_site

**Department:** ICT

## Description

![](https://workablehr.s3.amazonaws.com/uploads/photos/303010/ae698666f85323a377d575c7a2c876d7.webp)

**International Airport of Heraklion, Crete S.A.** is currently looking for a:

**Senior Business Systems Engineer**

**Responsibilities**

-   Support Microsoft 365, Entra ID, Intune, Windows 365 and related services within the team service boundary
-   Work with identity lifecycle, enterprise applications, service principals, MFA, Conditional Access and device-management dependencies
-   Use PowerShell, APIs, Git and modern engineering practices to automate repeatable administration and improve service reliability
-   Diagnose Windows Server, Active Directory, DNS, virtualization, storage, Azure, database, backup and certificate dependencies where they underpin an owned Business System
-   Lead technical investigations for escalated incidents, participate in RCA and maintain clear evidence, workarounds and recovery actions
-   Provide L2 support for enterprise and departmental Business Systems and retain technical ownership through incident resolution
-   Troubleshoot application, identity, integration, data-access and service-dependency issues end-to-end before escalation
-   Support HDS / ITSM, EMS / Enterprise Management, SAP / ERP technical dependencies, Power Platform, Power BI / Fabric and other assigned business applications
-   Participate in FAT/SAT/UAT, supplier handover, go-live, hypercare and transition to BAU

**Requirements**

-   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
-   Relevant Microsoft 365, Azure, Entra, IT service management or comparable enterprise-technology certifications are highly desirable
-   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
-   Working knowledge of Azure, Windows and identity fundamentals, with PowerShell or comparable scripting / automation capability
-   Excellent command of English, both written and verbal

**Competencies**

-   Strong team orientation, ownership mindset, communication and problem-solving skills
-   Structured incident diagnosis, problem solving and clear technical communication.
-   Ability to coordinate effectively with users, ICT peers and external suppliers

## Apply

[Apply at Heraklion International Airport](https://apply.workable.com/heraklion-international-airport/j/43CE07CD5E/apply)

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