Niraj Mishra
Pune,MH
Summary
A highly motivated Technology Enthusiast working as Network & Security Engineer and experienced on Network area of Routing, Switching, Palo Alto Firewall, F5 Load Balancer and experienced on SDN solution including VMware NSX, automation, and infrastructure engineering. Exemplary problem-solving skills and enjoy doing planning, design and analysis of new products and features to deliver optimum solutions by building relationship with colleagues, customer, stakeholders, and vendor.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Network Platform Engineer
Kaiser Permanente
06.2024 - Current
- Hands-on experience implementing and maintaining F5 LTM and GTM configurations across lower and production environments, including UAT, DEV, QA, and PROD.
- Gained hands-on experience with managed Kubernetes clusters (AKS) and configured Wide IPs (WIPs) for Red Hat OpenShift environments deployed behind F5 LTM in the data center.
- Developed and modified iRules on F5 LTM based on application team requirements to support environment-specific traffic management.
- Deployed and validated cookie enforcement iRules across F5 LTM instances hosted on Azure for non-production environments, enhancing application cookie security and compliance.
- Managed Palo Alto firewall rules for Apigee integration on CNF and monitored Apigee health checks through F5 LTM endpoint probes.
- Configured and managed Wide IPs (WIPs), pools, and servers on F5 GTM for application availability and global traffic distribution across multiple environments.
- Monitored F5 VIPs, pools, and application endpoints using Dynatrace and Splunk to proactively identify performance issues and ensure high availability.
- Monitored application and network performance, troubleshot and resolved defects related to application access, routing, and load balancing.
- Collaborated closely with DevOps and SRE teams to identify and resolve application performance and latency issues, contributing to stability and optimization
- Worked on authentication and login-related issues, coordinating with the PING Identity team to analyze SSO/SAML integration logs and implement fixes.
- Deployed F5 configuration changes using automation scripts and GitHub Actions for Azure and CNF-based F5 appliances, ensuring consistent and efficient rollouts.
- Strong hands-on experience with application servers (WebSphere), including performing JVM restarts and maintenance activities during deployment windows.
- Actively involved in Azure infrastructure setup, including VM provisioning, writing Network Security Group (NSG) rules, and deploying associated F5 configurations for secure traffic management.
Network & Security Engineer
Cognizant Technology Solution
11.2023 - 06.2024
- Worked for APAC leading pharmaceutical company, Managed changes and incidents for APAC, EMEA and AMER region.
- POC from network security team under project transition, prepared technical document for Palo Alto Firewall, F5 LTM - GTM(3DNS) and SOP for operations.
- Hands-on experience with Palo Alto 5k and 7k, BIG-IP VIPRION C2400, iSeries 5800 and spin up new guests on VIPRION as per client application requirements.
- Configured Wide IP, Pool, Datacenter and Servers in F5 GTM for remote access VPN and setup VIP, pool member and monitor for VPN traffic on LTM.
- Configured and T-Shoot IPsec connection with client partner site on Palo Alto firewall and worked on cisco ISE for device on-board and MAB configuration.
- Hand on with F5 ASM WAF, adding policy and reclamation of finding reported by partners.
- Worked on OT/IT Infra, creating security policy, NAT and routes for OT and IT communication.
- Worked on change request’s as per user’s requirement on firewall and F5 LTM and GTM.
- Worked on Zscaler ZIA and ZIP, resolved operational issues reported by users.
Enterprise Network Engineer (Level 2)
Accenture Solutions
06.2022 - 11.2023
- Deployed Data Center on multiple Project Delivery Locations for Accenture and managed Accenture shared infrastructure.
- POC for start to end migration from Palo Alto Prisma Access to AWS IP Obfuscation for non-standard endpoints where build IPsec dial-up VPN connectivity between Palo Alto and FortiGate firewall deployed on AWS EC2 Instances in Mumbai and Hyderabad region for PAN India traffic.
- POC for build roadmap for Accenture internal infrastructure to diverted O365 traffic from AWS IP Obfuscation service to local breakout (SP) to reduce load from AWS instances for APAC region.
- Involved in migration of Juniper SRX (1500, 4100) to Palo Alto (3260,5220).
- BIG-IP F5 LTM configured Virtual server, VIP, Pool member, assigning monitor to pool, enable and disable of pool member during server maintenance window.
- Worked on SDN Solution i.e., VMware NSX-T for Accenture PIC (Private Infrastructure Cloud) deployed NSX manager and edge nodes on cisco UCS with nested node cluster. Configuration of segments, T0, T1 and DFW rules.
- Configuration / Installation / Troubleshooting of Juniper, Cisco, Palo Alto and F5 LTM.
- Migrated 30+ Juniper EX-2200 and EX-4300 stacks to Cisco C9200 using python script for configuration preparation.
- Configured IPsec Site to Site VPN for multiple stakeholders operated from Accenture shared firewall.
- Upgraded existing infrastructure i.e., Juniper, cisco and palo alto OS code upgraded.
- Configured BGP, IP SLA, HSRP and route map for newly CDL DC (Client Delivery Locations).
- Deployed Aruba AP, WLC, Catalyst 9k switches and created EtherChannel between access layer to core layer.
- Remediation of daily finding for network compliances includes port compliances i.e., port security, 802.1x, firewall rules as per defined standard etc.
- Performed periodic datacenter, ISP resiliency and collect corresponding artifacts.
Network Associate
Capgemini Technology
03.2020 - 06.2022
- Worked for Capgemini shared infrastructure, incident management for datacenters located in Australia and Philippines as part of GNOC team.
- Responsibility for technical operational activities on a 24 x 7 basis, incorporating Event Management, Incident Management & Change Management.
- Troubleshoot and resolve operational real time network P1 and P2 incidents assigned by global service desk team and MIM team.
- Involved and prepare roadmap with solutions team during Covid and setup remote access VPN for 100k+ users on ASA deployed over ESXi.
- Handled Capgemini internal stakeholder requirements and delivered the solutions.
Education
B.E - Computer Engineering
University of Mumbai
01.2019
Polytechnic - Computer Technology
Maharashtra State Board of Technical Education
01.2015
Skills
- F5 - LTM, GTM, ASM
- Routing
- Switching
- VMware NSX-T
- AWS (TSG, VPC, D-Connect)
- Azure (VNet, CWAN, ER-C)
- IPSec, GRE, SSL, TCP/IP, HSRP, 8021x, EAP-PEAP, EAP-TLS, BGP, VPN, NAT, 8021q, Geneve-NSX-T
- Palo Alto
- Juniper SRX
- Cisco ASA
Certification
- CCNA 200-301 Certified.
- Azure 900 Certified.
- Palo Alto PCNSA Certified.
- F5-LTM/GTM Training.
- Cisco ISE Training.
- VMware NSX-T Ninja Training.
- Kubernetes Training.
Personality & Soft Skills
- Innovative
- Service-focused
- Complex problem solver
- Fast learner and ability to pick work with minimum supervision.
- Decision maker
- Delivery motivated
- Strong work ethics and organizational skills.
Timeline
Network Platform Engineer
Kaiser Permanente
06.2024 - Current
Network & Security Engineer
Cognizant Technology Solution
11.2023 - 06.2024
Enterprise Network Engineer (Level 2)
Accenture Solutions
06.2022 - 11.2023
Network Associate
Capgemini Technology
03.2020 - 06.2022
Polytechnic - Computer Technology
Maharashtra State Board of Technical Education
B.E - Computer Engineering
University of Mumbai
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