sycofly

IaC: Project infrastructure where all deliverables must be infrastructure-as-Code and utilising GitOps. Assisted solution architects on project deliverables including system analysis, requirements, firewall considerations, and provided technical assistance to project stakeholders. Executed application security hardening to ensure robust system/application deployments.

Ensured high availability and optimal performance of critical applications and platforms (AIX, Linux), consistently meeting service levels. Created and managed gold images for virtual machines to optimize deployment processes. Performed in-depth application and OS fault diagnosis, implementing effective monitoring of virtual machine resources to minimize disruptions. Collaborated on projects, including system analysis, requirements, firewall considerations, and provided technical assistance to stakeholders. Executed application/OS and security patching, along with server hardening, to ensure robust system/application security. Maintained effective monitoring of systems and applications.

Supported the deployment and upgrades of health applications across Oracle Solaris and IBM AIX environments, collaborating with in-house Application developers and external vendors. Troubleshot IBM WebSphere and Tomcat service issues, including application configuration, network connectivity problems, and HTTPS certificate management. Utilised SoapUI for automated application testing. Developed and debugged UNIX scripts to automate tasks and improve efficiency. Stepped into the Team Manager role when required to cover absences, providing leadership and guidance, while also mentoring non-technical staff in UNIX environments.

Provided critical 24x7 application support for Ministry and National clientele. Monitored application servers, debugged OS and database faults, and managed database batch loads & extracts and backups. Ensured FTP and certificate security and developed operational procedures for system maintenance.

Administered Microsoft SQL Server databases, ensuring performance and reliability. Monitored database performance and implemented optimizations. Managed database replication for high availability and disaster recovery. Maintained database security through access controls and patching. Developed Key Performance Indicator (KPI) statistics to track database performance. Debugged SQL Server Integration Services (SSIS) packages (formerly DTS). Provided support to developers and performed daily backups and database restores. Executed database migrations and data migrations. Maintained and updated database documentation.