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SK

Sarathlal S K

System & Network Administrator

Sarathlal S K

System & Network Administrator

System & Network Admin System Administrator ISP Operations Application Support

System & Network Administrator with 5+ years of experience in application support and infrastructure management, currently working in ISP and enterprise network operations.

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Sarathlal S K
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Professional Summary

System & Network Administrator with 5+ years of experience in application support and infrastructure management, currently working in ISP and enterprise network operations. Proven track record of reducing system downtime by 15% and maintaining 99.9% service availability through proactive monitoring and incident management.

Experienced in supporting broadband, FTTH, and leased line connectivity, with strong expertise in L2/L3 troubleshooting, network performance optimization, and fault isolation. Skilled in ensuring SLA compliance, minimizing MTTR, and delivering reliable network services for business-critical environments.

3+
Years Experience
Application Support & Admin
99.9%
Service Availability
SLA Compliance & Monitoring
15%
Downtime Reduction
Proactive Monitoring

Professional Experience

System & Network Admin

WorldShore Networks PVT LTD, Trivandrum, Kerala

April 2026 - Continuing

System Admin Network Admin ISP Support

ISP & Network Operations

  • Providing technical support for ISP services including broadband, FTTH, and enterprise leased lines.
  • Troubleshooting leased line connectivity issues (latency, packet loss, link down, routing issues).
  • Monitoring uptime and performance of enterprise links to ensure SLA compliance.
  • Assisting in configuration and troubleshooting of routers, switches, and customer edge devices.

Technical Support & Issue Resolution

  • Supporting IP addressing, DNS, and network-level issue resolution.
  • Performing L2/L3 troubleshooting and fault isolation across network layers.
  • Handling enterprise client escalations and coordinating with backend/network teams.
  • Monitoring network health using tools and performing proactive issue detection.
  • Supporting server, hosting, and SSL configurations when required.

Computer Programmer - Application & System Support

College of Applied Science (IHRD), Vattamkulam, Kerala

Oct 2021-Mar 2026

System Admin Programming Tech Support

System & Server Management

  • Proactively monitored 5+ critical application KPIs and system logs, reducing unplanned downtime by 15% through early issue detection.
  • Maintained server health (CPU/RAM/Disk), performed service restarts, configuration checks, and network troubleshooting.
  • Managed hosting, DNS, and SSL for 3+ college websites, achieving 99.9% uptime and successfully migrating 2 sites with zero service disruption.
  • Administered Joomla CMS backend including updates, plugin issues, theme configuration, and site stability checks.

Technical Support & Troubleshooting

  • Diagnosed and resolved recurring PHP/MySQL errors through root-cause analysis, improving application stability.
  • Investigated reported issues, reproduced errors, analyzed logs, and collaborated with developers for resolution.
  • Coordinated with faculty, management, and stakeholders to resolve functional and technical issues.
  • Configured and troubleshot 3+ biometric attendance devices, ensuring seamless integration with backend systems and 100% accurate daily reporting.

Technical Support & Coordination Roles

2016-2021

Tech Support Coordination

Key Responsibilities

  • Handled customer queries, system issues, and technical escalations across Telecom, Finance, and Retail sectors.
  • Supported field users, documented incidents, and ensured timely resolutions within SLA.

Cross-functional Coordination

  • Coordinated cross-functional communication to resolve technical and operational problems.

Core Competencies

Systems & Admin

Windows Server Linux Server cPanel DNS & SSL Joomla CMS SSH & RDP

Networking & ISP

TCP/IP & LAN/WAN Routing & Switching FTTH/Broadband Leased Line Support Network Troubleshooting DHCP

Monitoring & Incident

Log Analysis KPI Monitoring Network Monitoring Incident Management SLA Compliance Root-Cause Analysis

Databases & Tools

SQL (Debugging) PHP (Basic) VS Code GitHub SQL Clients

DevOps & Automation

Linux Administration CI/CD Concepts Deployment Basics

Projects

CampusPulse

Web Application

Technologies: HTML, CSS, JavaScript, PHP, MySQL, REST API

  • Developed and maintained a web-based College ERP solution for student, faculty, attendance, and academic management.
  • Designed and supported PHP backend modules, MySQL databases, and REST APIs for seamless application functionality.
  • Investigated and resolved SQL, API, backend, and application issues through log analysis and root cause identification.
  • Handled production incidents, application deployments, user support, and coordinated with stakeholders to ensure continuous service availability.
  • Performed application monitoring, database maintenance, bug fixing, performance optimization, and regular feature enhancements.
Visit CampusPulse

Blood Circle

Android Application

Technologies: Flutter, PHP, MySQL, REST API

  • Developed an Android application that connects local blood donors with recipients within communities, wards, and societies.
  • Designed and maintained backend APIs and MySQL database for donor registration and blood request management.
  • Investigated and resolved application bugs, API issues, and database-related problems.
  • Provided deployment, production support, and ongoing maintenance to ensure application stability.
Download APK

Poll Count

Election Monitoring System

Technologies: Flutter, PHP, MySQL, REST API

  • Developed an election campaign monitoring system for political teams to manage field activities and voter engagement.
  • Implemented modules to record house visits, voter feedback, campaign coverage, and polling-day voting status.
  • Designed and maintained PHP backend services, REST APIs, and MySQL database for real-time data synchronization.
  • Investigated and resolved application bugs, SQL issues, API failures, and performance bottlenecks while providing technical support to end users.
  • Generated analytical reports to help campaign coordinators estimate voter turnout and campaign effectiveness based on collected field data.
Visit Project

Education, Training & Contact

Education & Certifications

Education

MCA

IGNOU

Ongoing, Expected 2026

BSc Computer Science

MES College Ponnani, University of Calicut

2015

Certifications & Training

  • RHCSA (Red Hat Certified System Administrator) - Course Completed from IPSR Solutions.
  • RHCE (Red Hat Certified Engineer) - Course Completed from IPSR Solutions.
  • DevOps Training - Linux, CI/CD Basics, Automation from IPSR Solutions.

Achievements

  • Technical Coordinator - Biometric Attendance System
  • Supported migration and development of web applications (CampusPulse)
  • Media Cell Coordinator - CAS Vattamkulam
  • Volunteer - FIFA U17 World Cup (2017)

Contact Information

Location

Kerala, India

Phone

8714153384

Languages

English Malayalam Tamil Hindi

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