

Results-driven IT professional with 4+ years of experience as a Middleware Engineer and System/Application Engineer at DXC Technology, specializing in UNIX/Linux administration, middleware support, and infrastructure services. Skilled in system troubleshooting, automation, cloud platforms (AWS, Azure, GCP, OCI), and cybersecurity best practices. Proven ability to resolve critical downtime issues under pressure while ensuring seamless operations and high availability. Continuously upgrading technical expertise through certifications, including AWS, GCP, OCI, ITIL V4, Microsoft Azure, and Security, with the goal of excelling as a System Administrator, Cloud Engineer, DevOps Engineer, or Cybersecurity Specialist.
Tools & Technologies:
VMware vSphere | Windows Server | Linux/Unix | ServiceNow | CyberArk | Sitescope | Autosys | Axway/FeedHub | mPutty | Remote Desktop
System & Server Administration
Proficient in Windows Server (2008/2012) administration, including Active Directory, Domain Controller, IIS, Microsoft Exchange, and backups
Hands-on experience with Linux/Unix systems (Ubuntu, Fedora, CentOS, Kali) for server setup and troubleshooting
Skilled in configuring and managing DHCP, DNS, FTP, SAMBA, Proxy, Mail Servers, LAMP stack, and Linux-based routers (VyOS)
Experienced in deploying and managing servers on VMware vSphere and ESXi, including firmware and OS installation
Adept at performing server restarts, service management, and system optimization
Networking
Completed Cisco Networking (CCNA 1–4) and IoT networking setup
Strong foundation in routing, switching, and network troubleshooting
Security
Knowledgeable in cybersecurity practices: configuring firewalls, managing iptables, setting up gateways, and securing proxy servers (Squid)
Experience with intrusion detection (Snort), disk encryption, and secure server configuration
Familiar with Fortinet network security solutions
Cloud & Virtualization
Working knowledge of AWS and Azure services
Experienced in virtualization technologies including VMware vSphere and ESXi
Applications & Tools
Skilled in ServiceNow and other ticketing systems for incident and request management
Experienced with SAP user account management (add/remove/update users, password resets, role assignment)
Proficient in MS Office for reporting and documentation
Familiar with hardware and software monitoring tools (Sitescope, CyberArk, Remote Desktop, mPutty)
Professional Attributes
Strong troubleshooting and problem-solving skills across diverse IT environments
Effective multitasker with the ability to thrive in fast-paced environments
Friendly, reliable, and team-oriented, with excellent interpersonal and communication skills
Committed to continuous learning and adopting best practices in IT operations
Introduction to Cybersecurity Cisco Feb 2020– No expiration date
Professional & Technical Trainings
Soft Skills & Leadership
Academic & Technical Seminars/Workshops
Name: Karl Angelo Lim
Position: Software Engineer
Company: Escapenet
Email Address: karlangelo19@gmail.com
Mobile #: 09164385846
NSE 1 Network Security Associate - The Threat Landscape - Fortinet Network Security January 2024 - No expiration
Microsoft Azure - Microsoft Azure Data Fundamentals - DP-900 March 2022 – No expiration
Microsoft Security, Compliance, and Identity Fundamentals (SC-900) August 2023 – No expiration
Microsoft Certified Azure Administrator Associate - AZ-104 June 2022 - June 2026
Microsoft Azure AI Fundamentals - AI-900
Cybersecurity Essential Cisco Feb 2020– No expiration date
Google Cloud Certified - Professional Cloud Architect - Google July 2022 - June 2026
AWS Certified Cloud Practitioner - Amazon June 2023 - June 2026
Introduction to the Threat Landscape 2.0 Fortinet May 2024 – No expiration
Oracle Cloud Infrastructure 2023 Certified Foundations Associate Oracle Sept 2023 – Sept 2025
Microsoft Certified: Azure Fundamentals Microsoft May 2022 – No expiration
Introduction to Cybersecurity Cisco Feb 2020– No expiration date
Fortinet Network Security Expert (NSE) Level 1 - Fortinet Network Security May 2020 – No expiration