Summary
Overview
Work History
Education
Skills
Awards
Timeline
Generic

MOHAN GORANTLA

Edmond

Summary

Experienced Cloud Engineer with 7+ years of expertise in cloud infrastructure, networking, and automation. Proficient in OpenStack, F5 BIG-IP, Palo Alto Firewalls, Linux and Microsoft Azure to design, deploy, and manage scalable and secure solutions. Skilled in deploying and upgrading applications to enhance performance and ensure seamless operations. Adept at optimizing systems, enhancing security, and driving innovation to support organizational goals in dynamic and complex environments.

Overview

8
8
years of professional experience

Work History

Cloud Network Engineer

HISSINC
Frisco
12.2022 - Current
  • Configure and optimize F5 LTM components, including Virtual Servers (VIPs), pools, and profiles, to enhance application delivery and load balancing.
  • Manage SSL certificate installation, renewal, and troubleshooting on F5 LTM to ensure secure communication.
  • Develop, test, and deploy iRules for advanced traffic manipulation, including redirects, custom error pages, and header modifications.
  • Diagnose and resolve application delivery and traffic flow issues, addressing SSL handshake errors, connectivity challenges, and performance bottlenecks.
  • Monitor F5 performance, analyze logs and statistics, and conduct system backups to maintain operational integrity.
  • Configure HTTP-to-HTTPS redirects, and implement security policies for efficient and secure traffic management.
  • Perform software upgrades and hotfix installations on F5 devices to ensure stability and compatibility within enterprise environments.
  • Establish and maintain high availability (HA) setups on F5 to ensure consistent service continuity and automatic failover during outages.
  • Configured and optimized F5 LTM for both forward and reverse proxy scenarios, enabling secure and efficient traffic flow across multi-tier applications; implemented advanced iRules for dynamic routing, header manipulation, and traffic steering based on URI, SNI, and client IP.
  • Integrated SSL offloading and re-encryption, leveraging SNI-based routing, and PKI certificate management to support multi-domain environments and ensure compliance with enterprise security standards.
  • Administer Palo Alto firewalls through Panorama, configuring security rules, and NAT policies to control traffic flow and protect enterprise networks.
  • Troubleshoot and resolve firewall-related issues using Panorama logs and analytics, ensuring secure and uninterrupted network operations.
  • Performed deep packet inspection using Wireshark to analyze SSL/TLS handshakes, identify certificate mismatches, cipher negotiation failures, and application-layer errors; resolved issues related to expired certs, missing intermediate chains, and incorrect SNI values.
  • Diagnosed and remediated application performance issues by correlating F5 logs, TCP dumps, and Wireshark captures, including slow SSL handshakes, HTTP 5xx errors, and backend server resets due to misconfigured health monitors, or persistence profiles.
  • Familiar with F5 GTM, ASM, and WAF to optimize traffic distribution and enhance security.
  • Manage Azure networking components, such as VNets and Application Gateways, to support secure and scalable application deployments.
  • Utilize Terraform to automate Azure resource provisioning and management, ensuring consistency and scalability across deployments.
  • Configuring and managing AVI load balancers to ensure efficient application delivery and advanced traffic management.
  • Perform IIS administration, including website configurations, monitoring server performance, and troubleshooting application issues.

Cloud Operations Engineer

Mavenir Systems / Clover
Richardson
03.2020 - 12.2022
  • Provided cloud services to the existing networking environment.
  • Deployed application services on top of OpenStack virtual machines and containerization platforms, supporting day-to-day operations.
  • Worked with OpenStack cloud, creating instances using the Nova client, ensuring security, and deploying applications into production.
  • Supported and integrated SBCs based on NFV architecture to the OpenStack Cloud on the T-Mobile Network.
  • Managed the creation of new users, tenants, and assigned resource quotas to OpenStack users using Keystone.
  • Managed the creation of new users to the cluster, and assigned resource quotas to users, pods, and nodes as needed.
  • Containerized and migrated applications to Kubernetes.
  • Integrated Docker container orchestration framework using Kubernetes.
  • Provided end-to-end support for CPS and CMS.
  • Addressed new installations and troubleshot existing issues across applications supporting the SBCs on OpenStack Cloud and Kubernetes.
  • Upgraded the OS, BIOS, and firmware on Dell RHEL Linux servers.
  • Set up and configured network monitoring and management systems.
  • Installed and configured baseline RHEL 6/7 images for OpenStack deployment.
  • Addressed OS-level issues and analyzed underlying hardware issues, collaborating with Dell and HP for resolutions.
  • Created and managed users, service accounts, and groups as required at the kernel level (RHEL 7.x).
  • Set up key-based logins and managed passwords to comply with security requirements.
  • Analyzed security-related concerns based on the latest vulnerability scans, and provided mitigations based on severity.
  • Deployed applications, developed MOPs, scripts, and tools to reduce outages, and streamline work.
  • Configured and managed Cisco management switches, and SDN controllers.
  • Collected logs, performed call tracing, reviewed call flows, debugged issues, and conducted root cause analysis, and workarounds.
  • Configured SDN controllers (BCF) and implemented routing protocols (BGP, OSPF); assisted in setting up IPSec VPNs for secure connectivity between cloud and on-premises networks.
  • Troubleshot IMS call flow issues, debugged root causes, and drove design changes and product enhancement meetings with R&D teams.
  • Performed patch upgrades and bug fixes on the application layer in OpenStack and Kubernetes environments.

OpenStack Network Engineer

Mavenir Systems/ICONMA
Richardson
06.2019 - 03.2020
  • Deployed OpenStack cloud services and OpenStack virtual machines, supporting day-to-day operations.
  • Deployed OpenStack private cloud environments.
  • Created instances using the nova client in the OpenStack cloud, ensuring security and deploying applications into the production environment following QA testing.
  • Deployed application stacks using existing Ansible deployment suites.
  • Managed OpenStack infrastructure upgrades, expansion, scaling, troubleshooting, and debugging, collaborating with RedHat for resolutions and root cause analyses (RCAs) as needed.
  • Managed the creation of new users, tenants, and assigned resource quotas to OpenStack users using Keystone.
  • Created solution documents for new cloud deployments, including network connectivity layout, storage configuration details, and cloud rack server information.
  • Performed scale-in and scale-out of NFV-based applications in the OpenStack environment based on customer requirements.
  • Upgraded OS, BIOS, and firmware on Dell RHEL Linux servers.
  • Configured routers, switches, firewalls, and other hardware to deploy and manage LAN, WAN, and wireless networks.
  • Troubleshot configuration issues, applied patches, performed kernel upgrades, managed packages, diagnosed resource utilization and file system issues, and worked with configuration management tools like Ansible and chef.
  • Set up and configured network monitoring and management systems.
  • Installed and configured baseline RHEL6/7 images for OpenStack deployment.
  • Addressed OS-level issues and analyzed underlying hardware problems, collaborating with Dell/HP for resolutions.Managed infrastructure upgrades and scaling, applying troubleshooting techniques that improved system reliability and reduced downtime.

Teaching Assistant

SIUC
Carbondale
08.2017 - 12.2018
  • Assist DR. Dave Williams for his undergraduate level courses 201 AC, 308, ACII, 215 Advanced ET, 208 Circuit Analysis.
  • Conduct Lab sessions, tests.Conducted lab sessions that improved student understanding, leading to noticeable gains in course performance and lab proficiency.

Research Assistant

SW, SIUC
Carbondale
08.2017 - 05.2018
  • Assist DR. Garth Crosby for his research work based on Networking Protocol and Security.
  • Assist with research publication on Port security and support Biomedical Imaging based research and Publications.
  • Supported Dr. Garth Crosby in research on networking protocols, enhancing the project's depth and contributing to successful publication outcomes.

Education

MS - ECE

Southern Illinois University-Carbondale
Carbondale
12.2018

Skills

  • OpenStack and Linux
  • F5 BIG-IP and load balancing
  • RHEL and Azure
  • Kubernetes and Docker
  • Palo Alto and network security
  • Ceph and virtualization
  • Ansible and Terraform
  • MySQL database management
  • SIP protocols
  • CCNA
  • System administration
  • IDRAC and RAID management
  • Software-defined networking (SDN)
  • BCF
  • AVI networks
  • IIS management
  • Wireshark
  • IPSec
  • BGP, OSPF
  • TCP / IP

Awards

Special Recognition Award for excellence at Mavenir FY1-2020

Timeline

Cloud Network Engineer

HISSINC
12.2022 - Current

Cloud Operations Engineer

Mavenir Systems / Clover
03.2020 - 12.2022

OpenStack Network Engineer

Mavenir Systems/ICONMA
06.2019 - 03.2020

Teaching Assistant

SIUC
08.2017 - 12.2018

Research Assistant

SW, SIUC
08.2017 - 05.2018

MS - ECE

Southern Illinois University-Carbondale

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