Aatish Shrestha

Network and System Administrator





About Me

A visionary tech enthusiast with a passion for creating innovative solutions that push the boundaries of what's possible. With a blend of creativity and technical expertise, I strive to make a lasting impact in the world of technology. Network and System Administrator with years of experience managing, securing, and optimizing enterprise computer networks and system. Skilled in network infrastructure design, implementation, troubleshooting, and maintenance. Expertise in configuring and administering systems including Windows Server, Linux, virtualization, email, DNS, DHCP, VPN, firewalls, and load balancers. Strong working knowledge of routing, switching, WiFi, and network security protocols and best practices. Proficient with network monitoring, analysis, and performance tuning using SolarWinds, PRTG, Wireshark, LibreNMS, Zabbix, and other tools. Ability to identify and resolve system and network problems swiftly. Excellent communication and collaboration skills. Seeking to utilize my technical expertise to ensure network efficiency, reliability, and security standards are met. Motivated to take on new challenges and expand professional capabilities.

Work Experience

Remote - Network and System Administrator - Mercantile Communication P. Ltd.

Jun 2022 — Mar 2023

  • Led network design and implementation projects, focusing on multi-vendor environments including Cisco, Dell, and HP technologies.
  • Managed and supported network communications in both test and production environments, ensuring robust and reliable network performance.
  • Developed and maintained comprehensive documentation, including network diagrams, operational manuals, and configuration spreadsheets to enhance team understanding and streamline future upgrades.
  • Trained new system administrators on existing infrastructure, policies, and legacy processes, ensuring a smooth handoff and knowledge transfer.
  • Provided on-call escalation support for critical network issues, troubleshooting complex problems and minimizing downtime.

    • Network and System Administrator - Mercantile Communication P. Ltd.

    Nov 2021 - Jun 2022

  • Designed and deployed advanced network monitoring systems, significantly improving network visibility, performance, and reliability.
  • Installed, configured, and managed enterprise-class network hardware (routers, switches, firewalls) and software, ensuring optimal security and data throughput.
  • Diagnosed and resolved diverse network issues, applying thorough analysis and technical judgment to enhance system stability and performance.
  • Managed data center operations including server installations, power usage, cooling management, and system backups, adhering to best practices and security standards.
  • Executed data migrations and server management tasks, including implementing virtualization strategies to optimize resource utilization.

    • System Administrator - Silver Lining P. Ltd.

    Feb 2020 - Nov 2021

  • Administered enterprise-level Linux and Windows server environments, optimizing configurations for high availability and performance.
  • Developed and implemented backup and disaster recovery strategies, reducing system downtime and ensuring data integrity.
  • Collaborated on network and application deployments in cloud environments, improving scalability and reducing costs.
  • Monitored and enhanced system performance through proactive analysis and troubleshooting, resulting in a marked reduction in helpdesk incidents.

    • Network Support Engineer - Mercantile Communication P. Ltd.

    Apr 2018 - Feb 2020

  • Supported the design and implementation of new LAN/WAN and wireless network infrastructures, enhancing connectivity and reliability across multiple sites.
  • Configured and administered network devices, including routers, switches, and firewalls, to support secure and efficient operations.
  • Developed detailed network documentation and device configurations, facilitating easier troubleshooting and network management.
  • Conducted regular network performance assessments, identifying and resolving potential issues to maintain optimal service levels.
  • Implemented new network solutions for branch offices, resulting in faster data transfers and improved network reliability.

    • Education

    MSc Cybersecurity - University of West London

    Completed: Sep 2023

    Dissertation: "Investigating the usage of decoy accounts and ML on mail servers as a proactive security solution against email-based attacks."

    BSc. CSIT - Aberdeen International College

    Graduated: Apr 2018

    Skills

    Artificial Intelligence Machine Learning Python TensorFlow Cloud Architecture Big Data Analytics Blockchain IoT Quantum Computing Tech Leadership

    Contact Information

    Email

    aatish.stha@gmail.com

    Phone

    +44 (781) 050-3689

    LinkedIn

    www.linkedin.com/in/aatish-shrestha-114806133