Windows Systems Engineer, Fintech

Optasia
Athens
Workplace: OnsiteFull timeFunction: IT Operations (Systems/Network Admin)Education: bachelorsSkills: ["Communication","Leadership","Incident management","Root cause analysis","Automation mindset"]

Own the design, implementation, and optimization of Optasia’s Microsoft-based infrastructure across Windows Server and Azure. Build and manage enterprise Active Directory and GPO governance, administer Intune for endpoint lifecycle and compliance, and architect Azure identity, networking, backup, and disaster recovery. Serve as a technical authority in critical incidents, drive automation with PowerShell, and enforce security hardening aligned to CIS/NIST while mentoring engineers.

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FursaFursa
Optasia
Optasia
5 days ago

Windows Systems Engineer, Fintech

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Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live
Reposted: similar role first listed 6 months ago

Job Summary

Own the design, implementation, and optimization of Optasia’s Microsoft-based infrastructure across Windows Server and Azure. Build and manage enterprise Active Directory and GPO governance, administer Intune for endpoint lifecycle and compliance, and architect Azure identity, networking, backup, and disaster recovery. Serve as a technical authority in critical incidents, drive automation with PowerShell, and enforce security hardening aligned to CIS/NIST while mentoring engineers.
Location: Athens
Workplace: Onsite
Employment Type: Full time
Job Function: IT Operations (Systems/Network Admin)
Seniority: Mid level

Key Responsibilities

  • •Lead the design, implementation, and optimization of Microsoft-based systems for scalability, security, and performance.
  • •Own Windows and Azure architecture decisions, contributing to infrastructure strategy and roadmap planning.
  • •Administer and enhance enterprise Active Directory environments, including GPO governance and identity management.
  • •Manage and optimize Windows Server environments and Microsoft Intune for endpoint lifecycle, compliance, and secure device provisioning.
  • •Act as technical authority during critical incidents, diagnose/troubleshoot complex production issues, and drive automation initiatives to improve reliability.

Pay and Benefits

Perks:Annual Bonus

Key Requirements

  • •7+ years of systems/infrastructure engineering experience focused on Microsoft technologies.
  • •Deep expertise administering and optimizing Windows Server 2022/2025 environments.
  • •Strong experience with Active Directory, including governance and identity management.
  • •Experience with Microsoft Intune and endpoint security management.
  • •Strong PowerShell skills for automation, plus incident management and root-cause analysis.
Experience:FintechB2B2B2XMicrosoft infrastructure
Education:Bachelor's in Computer Science, Engineering, or related field
Skills:CommunicationLeadershipIncident managementRoot cause analysisAutomation mindset
Languages:English
Tech Stack:Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft AzureActive DirectoryGroup Policy (GPO)Microsoft IntunePowerShellJiraConfluenceBitbucketCISNIST

Company Brief

Optasia
Operates a digital health platform delivering online mental health and therapy services, connecting users with licensed therapists and providing tools for wellbeing, counselling, and remote treatment management to improve access to behavioral healthcare.
Industry: Mental Health
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