# varun sharma

varun sharma is a remote worker on Himalayas, Network Security Team Leader at Neurealm, based in India.

Source: https://himalayas.app/@varunsharma20

```text
Network Security Team Leader at Neurealm, resolving 350+ monthly P1–P3 incidents for global customers.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | India |
| Authorized to work in | India |
| Salary expectations | 150k+ INR |
| Job categories | Network Security Engineer |
| Skills | Network Security, Network Operations, Network Automation, Firewall Management, Arista NGFW, Palo Alto Firewalls, Cisco ASA, Cisco Firepower, F5 LTM, Citrix NetScaler, VPN, Routing, BGP, EIGRP, OSPF |
| LinkedIn | https://linkedin.com/in/varun-sharma-87b488118 |

## About

```text
At Neurealm, I architect and operate Arista NGFW TAC for global customers, resolving 350+ P1–P3 incidents monthly. I also configure and optimize Arista Next-Generation Firewalls and was recognized by the CEO for client support and operational excellence, with 100% CSAT in 2025.

At British Telecom, I managed global network and security operations and automated device configuration using REST APIs, NETCONF, NETMIKO, and Ansible, reducing errors by 90% and configuration time by 75%. Earlier, at Rackspace Technologies and Cognizant Technology Solutions, I supported network security operations, migrations, and WAN failover testing across 64 global enterprise sites.
```

## Experience

### Network Security Team Leader (current)

Neurealm. Feb 2024 - Present

```text
Architect and operate Arista NGFW TAC for global customers, resolving 350+ P1-P3 incidents monthly. Recognized by CEO for delivering strategic client support and operational excellence with 100% CSAT in 2025.
```

Skills: Arista-NGFW, Zendesk, Network-Security, Troubleshooting, Customer-Support, SLA-Management

### Network Security Professional

[British Telecom](https://himalayas.app/companies/bt-group). Nov 2022 - Feb 2024

```text
Managed global network and security operations, resolving P1-P3 incidents and upgrading firewalls and load balancers. Served as SME for F5 LTM and Citrix NetScaler, training 17 new team members during transition from Rackspace to BT.
```

Skills: Palo-Alto, Firepower, ASA, F5-LTM, Citrix-NetScaler, REST-APIs, RESTCONF, NETCONF, Netmiko, Ansible, Python, Vulnerability-Management

### Network Security Engineer

[Rackspace Technologies](https://himalayas.app/companies/rackspace). May 2021 - Oct 2022

```text
Managed global network and security operations, resolving P1-P3 incidents and upgrading firewalls and load balancers. Orchestrated enterprise-wide network migrations with zero downtime, leveraging BGP failover and WAN testing.
```

Skills: Palo-Alto, Firepower, ASA, F5-LTM, Citrix-NetScaler, REST-APIs, RESTCONF, NETCONF, Netmiko, Ansible, Python, BGP, WAN

### L2 Network & Security

[Cognizant Technology Solutions](https://himalayas.app/companies/cognizant). Oct 2018 - May 2021

```text
Provided L2 and L3 support for firewalls, routers, switches, and load balancers, maintaining enterprise network availability. Mitigated critical outage risks across 64 global enterprise sites for Celgene Corporation by orchestrating WAN failover testing leveraging BGP.
```

Skills: Cisco, Python, Netmiko, BGP, MPLS, Firepower, ASA, IOS-Upgrades, Vulnerability-Remediation, Microsoft-Visio

### Network Engineer

[Tech Mahindra Limited](https://himalayas.app/companies/tech-mahindra). Jun 2016 - Oct 2018

```text
Managed Credit Suisse Global NOC operations covering monitoring for 1000+ network devices. Coordinated with TAC for Cisco, Juniper, and F5 escalations, maintaining SLA adherence.
```

Skills: NOC, LAN, WAN, Cisco, Juniper, Troubleshooting, Incident-Management, Monitoring

## Education

### Guru Nanak Dev University

Master of Computer Applications, Computer Applications. Grade: 8.82 CGPA

```text
Master of Computer Applications degree from Guru Nanak Dev University, completed in 2016 with a CGPA of 8.82.
```

## Tech stack

- Cloudflare
- Zendesk
- Python
- JSON
- XML
- Wireshark
- Cisco ASA
- Cisco Firepower
- Ansible
- OpenVPN
- Microsoft Visio
- Wan

To contact varun, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

## People also viewed

- [Hritik Dutta](https://himalayas.app/@hritikdutta): Network Security Engineer L2, Targus Technologies Pvt. Ltd.
- [Sindhu Vudayagiri](https://himalayas.app/@sindhuvudayagiri): Cybersecurity Engineer, Wipro Limited
- [mohammed umar farooque](https://himalayas.app/@mohammedumarfarooque): Senior Network & Cloud Engineer, UnifyCX
- [Oruganti Sowjanya](https://himalayas.app/@orugantisowjanya): Senior NOC Engineer, Celsior Technology
- [Muthamma mukkatira](https://himalayas.app/@muthammamukkatira): Senior Network Security Engineer, Optiv
- [NetworkHelp User](https://himalayas.app/@networkhelpuser): Network Security Infrastructure Lead, Wipro Ltd
- [Rekha Kp](https://himalayas.app/@rekhakp): Sr Specialist Security Engrg, HCL Tech Ltd.
- [Rachit Khare](https://himalayas.app/@rachitkhare1): Senior Associate, Network Engineering, AT&T
- [Sethumadhavan User](https://himalayas.app/@sethumadhavanuser): Lead Captive Operations, Tata Communications Ltd.
- [Amber Kaifee](https://himalayas.app/@amberkaifee): Senior/Lead Network Security Engineer, Principal Global Services