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NTT DATA Logo NTT DATA · IT - Software Development

Lead Mainframe SRE

Greece, Athens · Job Posted May 29, 2026
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Job Responsibility

  • Own the end-to-end technical service for re-platformed middleware and production-control platforms across production, non-production, and disaster recovery environments
  • Lead and mentor a small team of engineers, providing technical leadership, operational guidance, and coordination of day-to-day platform activities
  • Act as the primary technical point of contact for stakeholders, client representatives, and operational teams, gathering requirements and translating business needs into reliable technical solutions
  • Lead Stonebranch UAC and batch operations activities, including scheduling standards, post-batch support, bundle promotion governance, and resolution of cross-domain batch-processing issues
  • Drive service improvements, platform upgrades, cluster and scheduler health initiatives, and operational standards across highly critical enterprise services
  • Act as the command point for high-severity incidents, out-of-hours change windows, root cause analysis activities, and cross-team operational coordination
  • Coordinate closely with IBM, Stonebranch, infrastructure teams, and application owners to ensure operational continuity and service resilience
  • Support disaster recovery readiness, service recovery testing, and operational governance activities across the platform landscape
  • Guide the controlled migration, modernization, or decommissioning of legacy batch-processing services while protecting production stability
  • Define and maintain standards for availability, operational excellence, monitoring, service governance, and platform reliability
  • Collaborate with platform teams and application stakeholders to proactively manage dependencies, operational risks, and service continuity requirements

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience)
  • 6-8 years of experience in relevant roles
  • Extensive experience managing enterprise middleware and batch-processing platforms within large-scale production environments
  • Strong expertise in re-hosted middleware services and production-control ecosystems, including technologies such as MQ, CICS/TX, Stonebranch UAC, scheduling platforms, and cross-platform operational tooling
  • Strong experience supporting Linux-hosted middleware environments, DB2 LUW interfaces, queue and log monitoring, and disaster recovery operations
  • Strong understanding of operational standards, root cause analysis, change-window governance, service continuity, and platform resilience practices
  • Experience leading modernization, migration, or decommissioning initiatives within critical enterprise platforms
  • Proven ability to lead small technical teams and coordinate multiple stakeholders, vendors, and operational groups
  • Strong stakeholder-management and communication skills, with the ability to gather requirements and align technical solutions with business needs
  • Comfortable operating within highly critical, governance-driven, and cross-functional enterprise environments
  • Fluent in English (written and spoken)

What we offer

  • Health insurance for the employee and one dependent family member (100% paid by NTT DATA)
  • Meal vouchers of 120€ per month (x12)
  • Corporate mobile phone: subscription & device
  • Teleworking equipment allowance
  • Internal Trainings Platform Account
  • Access to Open Up mental health service
  • 28 days of paid annual leave consisting of your legal holidays and compensation days
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