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Senior Network Engineer - Firewall
SQ1 Security Technology Private LimitedChennai30+ days ago
Job descriptionFirewall and switches Technologies : Fortinet firewalls (FG200F), Sophos, D-Link switches / APs VPN & Remote Access : VPN (IPsec VPN, SSL VPN), SD-WAN, BGP, MPLS, ZTNA, Authentication & Access Control : LDAP, RADIUS, SAML, Azure MFA, DUO, Okta, Single Sign-On (SSO), Active Directory / Azure Entra ID Routing & Protocols : TCP / IP, DNS, DHCP, HTTP / HTTPS, SSH, SSL / TLS, BGP, OSPF, SNMP, ARP, ICMP, NAT Network Monitoring & Troubleshooting : Wireshark, TCP Dump, Traceroute, lookup, Curl, PRTG Network Monitor, Prometheus, Grafana Virtualization : VMware, Hyper-V, Citrix VDI, VirtualBox Cloud Technologies : EC2, VPC, IAM, S3, Cloud NGFW, Load Balancers, Direct Connect, Azure, Virtual Machines, Azure AD, Sentinel, VNet, and WebApp, Application Gateway Operating Systems : Windows, Linux (Ubuntu / Kali), MacOS Tools & Platforms : ServiceNow, Salesforce, Jira, Fresh Service, ManageEngine, Jenkins (CI / CD), Ansible, Panorama (Centralized Firewall Management), Zscaler (Cloud Security), Miradore (MDM) Scripting for automation Documentation and training delivery ITSM tools and SLA management CCNP / CCIE, Fortinet NSE, AWS / Azure Networking certifications, AZ-900
About the job :
The Senior Network Engineer will oversee enterprise network operations and manage infrastructure across multiple locations. The role includes strategic planning, technical leadership, and innovation in IT :
- Mentor a junior network engineers across sites
- Manage network infrastructure (Fortinet, D-Link, IPBX, AD, VPN, SD-WAN, ZTNA)
- Oversee cloud networking (AWS, Azure) and virtualization (VMware ESXi)
- Ensure network security, compliance, and SLA adherence
- Drive innovation and automation in network operations
- Handle escalations, project execution, and vendor coordination
- Maintain documentation and deliver training sessions
- Support CCTV, NVR, NAS, and server infrastructure
- Work rotational shifts and travel as needed
Required Skills / Technologies / Tools :
Requirements : Good to have :
(ref : hirist.tech)
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Senior Network Engineer • Chennai
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