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Heshan Perera

Resume

One professional history, presented with four different emphases. Choose the version closest to the role you are hiring for. The facts are the same in each.

Infrastructure, cloud and systems

Infrastructure engineer, systems administrator, cloud infrastructure engineer

Emphasises designing and operating infrastructure on AWS and on-premise servers, availability, automation, backup and recovery.

Relevant highlights

  • Own the design, implementation and maintenance of business-critical infrastructure, sustaining 99.9% availability.
  • Strengthened access controls, network security, backup practices and disaster-recovery readiness, backed by updated IT policies.
  • Deliver infrastructure for software releases, integrations and operational needs in partnership with development and business teams.
  • Architected and operated AWS infrastructure that supported 99.9% application availability and cut maintenance costs by 50%.
  • Tuned Progress OpenEdge database performance through index tuning and binary dump and load, improving critical data retrieval speed by 20%.

IT support and application support

IT support engineer, application support analyst, service desk and helpdesk roles

Emphasises end-user support, incident resolution, Microsoft 365 and Google Workspace, troubleshooting and user training.

Relevant highlights

  • Strengthened access controls, network security, backup practices and disaster-recovery readiness, backed by updated IT policies.
  • Lead five IT professionals across infrastructure, cloud services, user support, vendor coordination and security, improving project delivery timelines by 25%.
  • Tuned Progress OpenEdge database performance through index tuning and binary dump and load, improving critical data retrieval speed by 20%.
  • Automated routine maintenance, saving about 10 hours of manual work each week.
  • Mentored intern engineers and worked across teams on releases and incident resolution.

Web implementation and administration

Website implementation specialist, web administrator, web developer

Emphasises hosting, DNS and SSL, deployments, Laravel and API development, and keeping web platforms fast.

Relevant highlights

  • Deliver infrastructure for software releases, integrations and operational needs in partnership with development and business teams.
  • Improved CI/CD and release processes, raising software delivery productivity by 30%.
  • Administered hosting, domains, DNS, SSL certificates, backups and production deployments.
  • Modernised legacy PHP applications into Laravel, improving application performance by 50%.
  • Developed RESTful APIs and integrated third-party services using OAuth.

IT management and technical leadership

IT manager, infrastructure manager, technical lead

Emphasises leading an IT team, policy and security improvements, vendor coordination and delivery with business teams.

Relevant highlights

  • Own the design, implementation and maintenance of business-critical infrastructure, sustaining 99.9% availability.
  • Strengthened access controls, network security, backup practices and disaster-recovery readiness, backed by updated IT policies.
  • Lead five IT professionals across infrastructure, cloud services, user support, vendor coordination and security, improving project delivery timelines by 25%.
  • Mentored intern engineers and worked across teams on releases and incident resolution.
  • Trained users and IT staff, maintained inventory records, and supported organisational policies and risk assessments.