Karamjeet Kaur
Hamilton,Canada
Summary
IT professional with strong grasp of network administration and system management. Adept at optimizing network infrastructure and ensuring system security. Known for collaborative teamwork and delivering reliable solutions in dynamic environments, with strong problem-solving and technical skills.
Overview
9
9
years of professional experience
Work History
NETWORK ADMINISTRATOR
Retail Services Group Inc.
01.2024 - 12.2024
- Engineered and supported LAN, WAN, and wireless infrastructure across office and production environments, ensuring consistent connectivity and high network uptime.
- Managed DHCP server configurations to streamline dynamic IP address assignments, reducing manual errors and improving overall network scalability.
- Configured and maintained firewall policies, enabling granular control over traffic and enhancing network security posture in line with compliance standards.
- Conducted periodic network health checks and upgrades, proactively addressing performance bottlenecks and aligning infrastructure with evolving business requirements.
- Administered Linux (Ubuntu, CentOS, RHEL) and Windows Server environments, handling tasks such as provisioning, patching, and service configuration for both on-prem and cloud platforms.
- Leveraged tools like Zabbix and Wireshark for real-time network monitoring and diagnostics, improving fault detection and speeding up issue resolution.
- Delivered end-to-end technical support for system, application, and connectivity issues, contributing to reduced downtime and improved user satisfaction.
- Partnered with cross-functional teams to implement network optimization projects and infrastructure rollouts at manufacturing locations, aligning IT services with operational needs.
- Authored and maintained comprehensive IT documentation, including configuration standards, SOPs, and troubleshooting guides, improving team knowledge sharing and operational efficiency.
Network Operation Engineer
Penske
04.2020 - 08.2023
- Deployed, upgraded, and maintained server and network infrastructure to ensure consistent system performance, availability, and security across enterprise environments.
- Delivered Tier 2 and Tier 3 technical support for hardware, software, and network issues, ensuring swift resolution and maintaining high user satisfaction levels.
- Diagnosed and resolved complex network outages, including routing loops, VLAN conflicts, and DNS misconfigurations, contributing to a 20% reduction in system downtime.
- Engineered and implemented complete network setups for three new departments, including the installation of Cisco switching gear, VLAN segmentation, and secure enterprise Wi-Fi, ensuring robust and scalable connectivity.
- Configured and managed DNS zone files and records for internal domains, improving domain resolution accuracy and accelerating internal application access.
- Set up load balancing mechanisms for Apache and IIS web servers, which optimized resource usage and reduced server load spikes by 35%, enhancing service reliability.
- Created and maintained comprehensive IT documentation, including network schematics, server configurations, incident logs, and change records to align with ITIL and internal audit requirements.
Network & System Engineer
U-Net Solutions
Bangalore
02.2016 - 07.2019
- Diagnosed and resolved advanced network issues involving routing protocols, VLAN misconfigurations, and firewall access rules, which resulted in a 30% decrease in reported connectivity incidents across departments.
- Administered both Linux (Ubuntu, CentOS, RHEL) and Windows Server (2016/2019/2022) platforms, including user account management, service deployment, and system patching, ensuring 99.9% system availability.
- Configured and maintained enterprise-grade network hardware (Cisco routers, L2/L3 switches, and FortiGate firewalls), improving network throughput and reducing latency in high-traffic areas.
- Designed and deployed an OpenStack-based private cloud lab environment for university students, enabling automated provisioning of VMs for coursework, which improved lab access efficiency and reduced manual overhead.
- Implemented and supported SAN/NAS storage systems, ensuring high-speed access to critical academic and administrative data, contributing to a 25% boost in data retrieval performance.
- Built and maintained network infrastructure for newly established university departments, including structured cabling, switch configuration, and access control setup, providing secure and stable connectivity from day one.
- Performed routine network audits and upgrade rollouts, such as firmware updates and topology optimization, to ensure systems met compliance and operational standards.
- Utilized Wireshark and Tcpdump for real-time traffic analysis and troubleshooting, significantly reducing response time to system issues and improving overall network efficiency.
Education
PhD - Computer Networking
Panjab University
Chandigarh08-2024
Master of Technology (M.Tech) - Computer Science Engineering
Punjab Technical University
Jalandhar, Punjab, INDIA06.2015
Bachelor of Technology (B.Tech) - Computer Science Engineering
Punjabi University
Patiala, Punjab, INDIA05.2013
Skills
- Networking Skills: IP Addressing and Subnetting, TCP/IP, Workgroup and Domain networking, VLANs, DNS, DHCP, NAT, LAN, WAN, VPN, Routing protocols (RIP, OSPF, EIGRP, BGP)
- Operating Systems: Linux (RHEL, Ubuntu, CentOS), Windows Server 2016/2019/2022 (Active Directory, Group Policy), and Windows 10/11
- Cloud and Virtualization: AWS, Azure and Openstack, Citrix Xen, Hyper-V, VMware, KVM and Oracle VM, Docker & Containerization
- Hardware & Troubleshooting: Configuring & maintaining routers, switches, firewalls, Diagnosing & resolving connectivity issues
- Tools: Network Performance (Zabbix, Wireshark), Device Management (Cisco Packet Tracer, OpenvSwitch), Remote Management( AnyDesk, RDP, SSH, Telnet, Putty, PuttyGen, TeamViewer), Secure file transfer (FTP, SFTP, WinSCP), Enterprise IT & Identity Management (ServiceNow, JumpCloud, Okta), Communication & Collaboration (Zoom, Word, Excel, Outlook, Teams, SharePoint), Documentation & Research (Overleaf)
- Scripting & Automation: Bash, PowerShell, Python, Automating network tasks & configurations
- Databases: MySQL, SQL Server, MongoDB
- Research interests: SDN, NFV, SFC, Cloud Networking
- Effective communication in English, Hindi, and Punjabi
Timeline
NETWORK ADMINISTRATOR
Retail Services Group Inc.
01.2024 - 12.2024
Network Operation Engineer
Penske
04.2020 - 08.2023
Network & System Engineer
U-Net Solutions
02.2016 - 07.2019
PhD - Computer Networking
Panjab University
Master of Technology (M.Tech) - Computer Science Engineering
Punjab Technical University
Bachelor of Technology (B.Tech) - Computer Science Engineering
Punjabi University
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