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Production systems degrade without active maintenance. Dependencies accumulate vulnerabilities, disk fills up, certificates expire, database tables bloat, and infrastructure drifts from its documented state. Hellenic Technologies provides proactive maintenance that prevents these gradual degradations from becoming incidents — catching issues in scheduled maintenance windows rather than at 3am during a production outage. Our maintenance programme operates on three timescales: continuous monitoring that runs 24/7, scheduled maintenance windows for planned updates and optimisations, and quarterly infrastructure reviews that assess system health, identify technical debt, and recommend architecture improvements. Every maintenance activity is documented, and clients receive a monthly report summarising what was done, what was found, and what was recommended. SLA commitments define the response time guarantees that clients can rely on. We offer tiered SLAs from standard business-hours support to 24/7 on-call coverage with 15-minute critical incident response times. All SLA tiers include proactive monitoring so that in most cases we identify and resolve issues before clients or their users notice — our goal is an incident response rate that approaches zero, not a fast response to frequent incidents. Managed maintenance services include:
  • 24/7 infrastructure monitoring with automated alerting
  • Monthly OS and dependency security patching
  • SSL certificate renewal and monitoring
  • Database maintenance: vacuuming, index rebuilding, slow query review
  • Scheduled backup verification and restore testing
  • Capacity planning review and scaling recommendations
  • Quarterly infrastructure security audit
  • Incident response with documented severity levels and SLAs
  • Post-incident reports (post-mortems) with root cause analysis
  • Monthly maintenance summary reports for client review