sadeepa Jayatissa

Rising systems engineering professional with 5+ years of experience in multiple Database management systems, Application server/ middleware technologies, operating systems and software applications with innovative knowledge, technological changes, and their business implications. Enthusiastic about learning and applying modern technologies, enhancing current technical expertise, and applying transferable skill sets. Seeking a position to utilize skills and abilities in the Information Technology and Computer science that offers professional and personal growth while being resourceful, innovative, and flexible.

Systems Support Engineer (Contract)                    Nov 2023 – Present

 I O N Group (Pvt) Ltd is a Sri Lankan software development company offering web solutions, SEO, e-commerce, mobile and database app development, and other system solutions.

• Proficiently managed operating systems, virtualisation platforms, databases, networks, and security including managing customer incidents, requests, and inquiries effectively.
• Diagnosed and resolved system, application, network issues, file systems, permissions and user access issues remotely with command-line tools or GUI while optimising performance across environments.
• Analyzed and identified system growth, storage needs, and performance scaling and used monitoring tools to monitor and anticipate resource usage trends and avoid performance bottlenecks.
• Solid organisational abilities to manage tickets, maintain asset management records, and document resolutions in a knowledge base.

Senior Engineer - Enterprise Data & Middleware      Aug 2022 - Oct 2022

Millennium IT ESP (Pvt) Ltd, one of the leading enterprise solution providers in Sri Lanka, offers industry-specific solutions tailored for the banking and fintech, telecommunications, manufacturing, retail, and commercial sectors. Its portfolio includes stock exchange systems, infrastructure platforms, cyber security, managed services (MSP), and cloud services. 

• Consistently delivered exceptional L2/L3 support in person, via email, phone calls, and ticketing systems, and identifying and resolving complex technical issues across multiple platforms within SLA parameters.
• Actively participated in system implementations, migrations, upgrades, and infrastructure enhancements, including patching and security fixes, ensuring minimal disruption and seamless transitions for clients.
• Effectively triaged high-priority issues, and collaborated with 3rd party vendors, stakeholders and cross-functional teams for quick resolution or escalations appropriately ensuring high-quality feedback throughout.
• Developed and implemented disaster recovery (DR) procedures, backup protocols (RMAN, EXPDP etc.) and High availability (HA) environments ensuring data integrity, business continuity, and security for critical systems.
• Conducted comprehensive IT audits, identified performance gaps, and implemented security measures to safeguard data integrity and continuous improvement. Created technical documentation, policies, and procedures for clients and internal teams, improving knowledge transfer, troubleshooting efficiency, and adherence to best practices.

Engineer - Enterprise Data & Middleware     Oct 2017 - Aug 2022

• Demonstrated proficiency in 1st/2nd line support and troubleshooting, identifying and resolving issues across a range of platforms and technologies with effective and proactive resolutions and root cause analysis to prevent recurring incidents in a 24/7 on-call rota setting.
• Monitored and investigated system logs, error logs, storage subsystems, resource utilisation, network (DNS, DHCP, TCP/IP & IO), Routing and Switching, firewalls and general networking while troubleshooting.
• Monitoring resource usage trends and patterns using monitoring tools (Nagios, Grafana) to track system health and performance, optimising infrastructure to meet high-demand scenarios and avoid performance bottlenecks.
• Supported special assignments beyond the scope of responsibilities, ensuring seamless operations during peak demand periods and emergencies.
• Spearheaded automation projects using Bash, PowerShell and Python that reduced manual administrative tasks by 40%, resulting in improved system performance and reduced operational workload.

Achievements

• Designed, implemented, and delivered over 30+ production-level environments to enterprise customers.
• Played an instrumental role in several key implementation, migration and upgrade projects
• Nominated for the employee of the month July 2022

Trainee System Support Engineer                        Sep 2016 - Oct 2017

• Daily, weekly and monthly health monitoring and troubleshooting in Colombo Stock Exchange, Ghana Stock Exchange, HNB bank and diverse industry clients such as banking, finance, and telecommunication.
• Successfully supported new product evaluations, proof of concept, and pilot implementations in line with budgetary and timeline requirements, reducing onboarding time for new projects.
• Attend in-person meetings with clients to analyse, debug, and diagnose technological problems and gain hands-on experience with new technologies.
• Demonstrated a strong desire to learn new technologies (Active Directory, Microsoft Azure, Azure AD, Office 365, and other Microsoft technologies) and expand skills, actively participating in training and development opportunities for self-learning.

MSc In Information Technology (Merit)                Oct 2022 - Oct 2023

University of the West of England, Bristol, United Kingdom

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BSc (Hons) Software Engineering (Second Class Upper Division)   May 2013 - Jun 2016

University of Plymouth, Plymouth, United Kingdom