System engineer

Pooja Vadlakonda Network & Linux Engineer

Madison, WI, US +1-469-***-**** *******************@*****.*** LinkedIn SUMMARY

Network & Linux Engineer with 4+ years of experience in enterprise networking, Linux system administration, and high-performance research computing across on-prem and AWS environments. Experienced in BGP/OSPF routing, VLAN segmentation, firewall management, and Linux server administration, including Apache, Nginx, and Tomcat. Proven ability to maintain secure, high-availability infrastructure with 99.9% uptime through monitoring and automation.

EDUCATION

Master’s in computer and information Science May 2025 University of North Texas, Denton, TX, USA

Bachelor of Sciences, Computer Science Aug 2022

Sarojini Naidu Vanita, Mahavidyalaya, TS, India

TECHNICAL SKILLS

Networking Protocols: TCP/IP, UDP, ICMP, ARP, OSPF, BGP, RIP, EIGRP, STP, DNS, DHCP, NAT, PAT IP Addressing: IPv4/IPv6, Subnetting, VLSM, Supernetting, CIDR LAN/WAN Technologies: VLANs, Ethernet, MPLS, Metro Ethernet, VPN (IPSec, SSL), SD-WAN Network Devices: Cisco Routers & Switches, Access Points, Firewalls, Load Balancers Security & Access: ACLs, Port Security, MAC Filtering, WPA2/3, RBAC, SSH, MFA Monitoring & Simulation Tools: Wireshark, Nmap, NetFlow, SNMP, Syslog, SolarWinds, Nagios, Cisco Packet Tracer, GNS3, EVE-NG Operating Systems: Red Hat Enterprise Linux, Ubuntu, CentOS, Solaris, Windows Server (2019/2022), macOS, Cisco IOS Automation & Scripting: Python (Basics), Bash (Intro), Ansible (Foundational), Git (CLI) Cloud & Virtualization: AWS VPC, Azure VNets, Subnets, Route Tables, Security Groups, EC2, VMware ESXi, VirtualBox, IaaS, PaaS, SaaS Documentation Tools: Microsoft Visio, Excel, Network Diagrams, Configuration Files, Change Logs System Administration: User & Group Management, SSH, LVM, Disk Management, Patch Management, Cron Jobs, Backup Systems, LDAP, NFS, NIS PROFESSIONAL EXPERIENCE

University of Wisconsin-Madison, USA Nov 2025 - Present System Engineer II

• Lead Linux system administration and research infrastructure support for 50+ faculty and researchers across CCR and SAGE centers.

• Deploy and manage Linux clusters, macOS, and Windows systems (65+ endpoints), ensuring secure, high-performance computing environments.

• Administer user accounts, SSH access, firewalls, backups, and shared storage systems for large climate research datasets.

• Manage connectivity and account provisioning for remote IBM supercomputing clusters, supporting HPC workloads and large-scale model execution.

• Install and maintain scientific tools, compilers, libraries, and analytical software (MATLAB, ArcGIS, NCL) for research computing.

• Manage Linux-based web servers and public data portals, ensuring secure access and research data availability.

• Collaborate with campus IT and research leadership on infrastructure planning, system security, and long-term computing strategy.

• Designed and optimized storage and backup strategies to support large-scale climate data processing workloads. NTT DATA, USA Jan 2025 – Oct 2025

Network Engineer

• Configured VLANs and trunk ports across 200+ Cisco switches, improving network segmentation and reducing broadcast traffic in production environments.

• Implemented OSPF and BGP routing between AWS and on-prem infrastructure, reducing failover recovery time by 40% and improving cross- site reliability.

• Automated configuration backups for 150+ network devices using Ansible, strengthening disaster recovery and minimizing manual errors.

• Monitored 300+ devices using SolarWinds, NetFlow, and SNMP, proactively identifying link failures and performance bottlenecks to ensure high availability.

• Enforced port security policies and SSH access controls across 150+ switches, achieving 100% audit compliance.

• Supported maintenance windows and post-deployment validation, maintaining zero SLA violations. Arista Networks, Bangalore Mar 2021 - Aug 2023

NOC Engineer

• Monitored 500+ network devices in 24/7 operations using SolarWinds and Wireshark, maintaining 99.9% uptime across global data centers.

• Troubleshot Layer 1–3 network issues including routing instability, DNS failures, TCP/IP connectivity, and BGP/OSPF disruptions, achieving 97% SLA adherence.

• Performed daily device health checks, configuration backups, and firmware upgrades during maintenance windows to reduce incident volume and minimize MTTR.

• Executed remote diagnostics and incident resolution procedures, lowering ticket re-open rates and improving operational stability. PROJECTS

Robotics Process Automation (2021 - 2022)

• Engineered a Python-based bot to calculate scores, percentages, and grades for over 2,000 students, improving accuracy by 90% and reducing manual effort by 75% in academic record processing.

• Integrated auto-email and SMS triggers using SMTP and API calls, simulating real-time alert systems with <10s response time, modeled after enterprise-grade network monitoring and incident frameworks.

• Automated 12+ repetitive workflows including data validation, result publishing, and report generation—achieving a 70% gain in operational efficiency and eliminating repetitive administrative bottlenecks.

Contact this candidate