Jeewan Abeysekara
System Engineer @Network for Learning (N4L)
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WORK HISTORY
System Engineer @Network for Learning (N4L)
Christchurch, NZ
Role Function:This role reports to the Team Lead of IT Infrastructure and is responsible for supporting and maintaining container orchestration (Docker Swarm, Kubernetes), Portainer, AWS, system security, and infrastructure aspects of client projects, CI/CD and github.Key Responsibilities:• Configured and maintained Docker Swarm production environments in a multi-site setup to ensure high availability and scalability.• Build automated patch management framework via ansible and semaphore for Linux servers• Built and managed dev setups using both Docker Swarm and Kubernetes.• Supported the implementation and operation of Portainer for container management.• Built and maintained Docker container services for multiple projects from scratch and support for migrating old container environment to new container platforms• Collaborated with security and compliance teams to maintain system integrity and secure configurations.• Assisted with automation, monitoring, and troubleshooting of containerized applications and underlying infrastructure.• Migrate critical infra and security applications on different container environments/VM based to later Debian/Ubuntu OS and MYSQL DB latest version with Multi-site DB replication setup• Setup multi site Redis cluster to support production & dev workloads - auto scale and distributed slots redis cluster • Created a system & software vulnerability management apps using Tenable and Synk reports using Qlik• Created management DB for system information via PostgresSQL DB and created ETL layers ( Bronze, Silver, Gold ) for system reporting as data-warehouse • Supported for BAU - Secure access environment - Radius proxies/auth service/servers and Cloudpath Nginx systems. Supported for Secure access DR activities - PKI setup for SA• Configured public key infrastructure for new client project for certificate signing via SCEP protocol as a test environment
EDUCATION
University of West London
Master of Business Administration - MBA, Business Administration and Management, General
University of Peradeniya
Bachelor of Science - BS, Computer Engineering
Wrexham University
Master's degree, Cyber Security
National University of Singapore
Chief Data, Analytics and AI Officer Programme
ABOUT JEEWAN ABEYSEKARA
With over 19 years of expertise encompassing the entire data center life cycle, I have successfully navigated through requirements gathering, design, engineering, and operations, working across diverse industry verticals. My experience extends to implementing fault-tolerant, low latency infrastructure solutions in large enterprise data centers and cloud environments. Known for my exceptional teamwork, strong customer focus and capacity to perform with minimal supervision, I adeptly follow leadership directives while employing a strong logical and analytical approach to swiftly solve complex problems. Moreover, I possess excellent written and oral communication skills, enabling effective collaboration and seamless dissemination of information to both technical and non-technical clients (internal and external). 19+ years of Industry Experience Completed AWS, Azure, Terraform, Kubernetes, RHCSA, Solaris, Veritas NetBackup & clustering, VCP, Hitachi Storage, Oracle DB 10g OCP, BI and Big data Certification Exams 5 Years of Experience in DevOps/SRE concepts and end-to-end Automation Strategies 6 Years of Experience in Cloud Provider Domains (AWS/Azure) includingSetting up HA/Fault Tolerant setups 17 Year of Experience in Networking, Storage, Virtualization and Data Center Environments 17 Year of Experience in Hardware, Veritas Clustering and Volume manager and NetBackup, Linux flavors Experience in Application Security and Network Security Concepts Working Exposure in Multiple Domains (ERP/Education/Financial/SI and ISP sectors) Interest in AI and ML technologies for business value creation Teamwork with minimal supervision & ability to follow Leadership Directives Strong Logical and Analytical approach with quick problem solving Strong Written and Oral Communication skills
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