Network Engineer - Cloud & Security - AWS/Azure, BGP/OSPF

Name: Abhishek Gogguru

Email: ***************@*****.***

Contact: +1-763-***-****

LinkedIn: https://www.linkedin.com/in/abhishek-abhi-69646a212/

Professional Summary:

Network Engineer with 4+ years of experience designing, deploying, and supporting enterprise network solutions across LAN, WAN, and WLAN environments.

Strong expertise in AWS and Azure networking, including VPCs, VNets, subnets, and load balancing solutions.

Proficient in routing protocols such as BGP and OSPF to ensure reliable and efficient network communication.

Hands-on experience in configuring secure connectivity using VPNs (IPSec/SSL) and implementing network security best practices.

Skilled in monitoring and troubleshooting network performance using tools like Splunk, Grafana, Nagios, and Wireshark.

Proven ability to diagnose and resolve network issues, including latency, packet loss, and connectivity failures.

Experience in automating network operations using Python and shell scripting to improve efficiency and reduce manual effort.

Familiar with container networking concepts in Docker and Kubernetes environments.

Experience supporting mission-critical applications in financial domains with strong focus on security and compliance.

Effective team player with strong collaboration skills, ensuring network stability, performance, and scalability across environments.

Technical Skills:

Networking : TCP/IP, DNS, DHCP, VLANs, NAT, VPN (IPSec/SSL), BGP, OSPF, EIGRP, MPLS, Load

Balancing

Cloud : AWS (VPC, EC2, ELB, Route 53, CloudWatch), Azure (VNet, Load Balancer, DNS)

Security : Firewalls, ACLs, Security Groups, IAM, SSL/TLS, IDS/IPS

Monitoring Tools : Wireshark, Nagios, Grafana, Splunk, Zabbix, CloudWatch, Azure Monitor

Scripting : Python, Bash

Tools & Platforms : Docker, Kubernetes, Git

Operating Systems : Linux/Unix, Windows Server

EDUCATION:

Master’s Information Technology Management, Concordia St Paul University May 2024 - Aug 2025

PROFESSIONAL EXPERIENCE:

Client: Goldman Sachs Nov 2025 – Present

Role: Network Engineer

Project Overview: Involved in designing and maintaining secure, high-availability network infrastructure to support mission-critical financial applications, Focused on enabling seamless connectivity between cloud and on-premises systems while ensuring optimal performance, reliability, and adherence to strict security standards.

Responsibilities:

Designed and managed scalable network infrastructure across AWS and Azure, supporting high-volume financial transactions with low latency.

Configured VPCs, VNets, subnets, route tables, and gateways to enable secure and efficient cloud networking.

Implemented routing protocols such as BGP and OSPF for reliable communication across distributed systems.

Designed and supported hybrid connectivity between on-prem and cloud environments using secure VPN solutions, with working knowledge of AWS Direct Connect and Azure ExpressRoute architectures

Managed and troubleshot enterprise DNS environments, including both authoritative and recursive DNS services across on-prem and cloud platforms

Supported DNS-based traffic routing and failover strategies using AWS Route 53 and Azure DNS to improve application availability

Investigated and resolved complex DNS issues impacting application connectivity, latency, and name resolution across distributed systems

Automated routine network operations using Python and shell scripting, improving efficiency and reducing manual effort.

Gained exposure to infrastructure-as-code concepts using Terraform for provisioning and managing cloud resources

Implemented cloud-native security controls including AWS Security Groups, Network ACLs, and Azure Network Security Groups to enforce traffic policies

Supported web application protection concepts using AWS WAF and Azure Firewall in collaboration with security teams

Managed load balancers (AWS ALB/ELB, Azure Load Balancer) including traffic distribution, SSL termination, and health monitoring; familiar with F5 BIG-IP (LTM) concepts and traffic management

Worked with IP addressing, subnetting, and IP management practices in enterprise environments with exposure to IPAM and DNS management concepts

Designed and supported enterprise LAN, WAN, and WLAN environments, ensuring high availability and performance

Worked with Cisco Meraki and Aruba wireless solutions for network deployment and management

Led network implementation and migration activities across cloud and on-prem environments

Acted as a senior escalation point for resolving complex network and connectivity issues

Collaborated directly with stakeholders to assess requirements and recommend network solutions

Troubleshot advanced wired and wireless network issues, including performance and connectivity problems Configured and managed Cisco firewalls and security infrastructure, ensuring secure network communication

Worked closely with network security and firewall teams to implement and enforce security policies

Troubleshot infrastructure issues by analyzing low-level operating system and network behavior

Took end-to-end ownership of network incidents, from identification through resolution and documentation

Supported systems in highly regulated environments, ensuring compliance with strict security and operational standards

Gathered and analyzed network security requirements to design secure and scalable solutions

Configured and managed firewall policies and rules, ensuring secure traffic flow and compliance

Performed firewall rule optimization, improving network performance and reducing security risks

Worked with Palo Alto and CheckPoint firewalls (or equivalent enterprise firewalls) for configuration and management

Assisted in implementing Zero Trust security concepts, including micro-segmentation approaches

Created network and security design diagrams using Visio for documentation and stakeholder communication

Configured and maintained network hardware from vendors such as Cisco, Fortinet, and Dell

Designed and managed Layer 2 and Layer 3 network architecture, including redundancy protocols such as STP and VRRP

Supported advanced routing environments utilizing BGP, OSPF, and SD-WAN/SDN concepts

Implemented and maintained network security controls, access policies, and IDS/IPS solutions

Configured, maintained, and troubleshot IPSec VPN connectivity across hybrid environments

Supported infrastructure across multiple data centers, ensuring high availability and performance optimization

Managed load balancers (AWS ELB/ALB, Azure Load Balancer) to optimize traffic distribution and ensure application uptime.

Established secure connectivity using site-to-site and client VPNs (IPSec/SSL) between on-premise and cloud environments.

Monitored network performance using CloudWatch, Azure Monitor, and Splunk, enabling proactive issue detection.

Troubleshot network issues including latency, packet loss, and connectivity failures using Wireshark.

Implemented security controls including firewalls, ACLs, and SSL/TLS encryption to safeguard sensitive financial data.

Automated network monitoring, configuration backups, and routine operational tasks using Python and shell scripting, improving efficiency and reducing manual effort and integrating with REST APIs and JSON-based workflows.

Collaborated with cross-functional teams to ensure network stability and support application deployments.

Environment: AWS (VPC, EC2, ELB, Route 53, CloudWatch), Azure (VNet, Load Balancer, DNS); TCP/IP, DNS, BGP, OSPF, VPN, NAT, Load Balancing; Firewalls, ACLs, SSL/TLS; Splunk, Grafana, Wireshark; Python, Bash; Linux/Unix.

Client: Bank of America Feb 2020 – Mar 2024

Role: Network Engineer

Project Overview: Supported and modernized enterprise network infrastructure by integrating cloud technologies and enhancing monitoring, automation, and security across hybrid environments to improve overall performance and reliability.

Responsibilities:

Maintained and supported enterprise network infrastructure, ensuring high availability and reliable connectivity across environments.

Configured and managed VLANs, routing protocols (BGP, OSPF), NAT, and VPNs to enable secure and efficient communication.

Supported virtualized environments (VMware/Hyper-V) and integrated networking components

Assisted in managing Layer 2/Layer 3 network environments, including VLANs and redundancy protocols

Assisted in migrating legacy systems to AWS and Azure, improving scalability, performance, and system reliability.

Supported enterprise network upgrades and migrations, ensuring minimal downtime and service continuity

Assisted in troubleshooting wireless (WLAN), LAN, and WAN network issues, improving network performance and reliability

Monitored network performance using Nagios, Grafana, Splunk, and Zabbix, enabling proactive issue detection and faster resolution.

Troubleshot network issues such as latency, packet loss, and connectivity failures using Wireshark and diagnostic tools.

Implemented security measures including firewalls, ACLs, IDS/IPS, and SSL/TLS to protect network and application data.

Automated routine network tasks like monitoring, log analysis, and configuration backups using Python and Bash scripts.

Supported load balancing and traffic management strategies to optimize application performance and uptime.

Collaborated with cross-functional teams to resolve network issues and support system deployments.

Maintained clear documentation of network configurations, procedures, and troubleshooting steps for operational efficiency.

Environment: TCP/IP, DNS, DHCP, VLANs, BGP, OSPF, MPLS, VPN, NAT; AWS (VPC, EC2), Azure (VNet); Firewalls, ACLs, IDS/IPS, SSL/TLS; Nagios, Grafana, Splunk, Zabbix, Wireshark; Python, Bash; Linux/Unix, Windows Server.

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