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Sr Network Security Engineer (Noida)

Open Systems · Noida

📅 11/08/2026
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Job Summary This is a position for someone who's growth-oriented. We hire for trajectory. You operate and migrate SASE infrastructure for enterprise customers at the industry's highest service level. We run our own stack. Internal training brings you up on the product; you bring the networking. You absorb fast, take ownership without being asked, and convert ambiguity into shipped work. You get pulled into your interests and go further than the situation required. If you are looking for a defined scope and a reliable five-year plateau, this is the wrong role. You will Migrate and deploy customer environments: firewalls, secure web gateways, ZTNA, SD- WAN, IPSec, hybrid cloud interconnect to Azure. Run high-stakes operations: incident response, root-cause analysis, change execution under customer SLA. Talk to customer engineers and architects directly. Communicate clearly, technically, and professionally. Automate. Python, bash, vendor APIs. Manual repetition is a defect. Coordinate with internal DevOps and platform teams on shared infrastructure. Required Production experience operating enterprise network and security stacks at the CLI on devices that assume you know what you're doing. Advanced NAT, policy routing, BGP, OSPF, IPSec troubleshooting on the wire. You love tcpdump. Production experience with at least one major SASE/NGFW vendor: Fortinet, Palo Alto, Cisco, Zscaler, Netskope, Cato, or equivalent. Depth in one beats exposure to many. Transfer to our stack is your responsibility. Azure networking in production: VNets, peering, gateways, hybrid connectivity. Python or bash against vendor APIs in production. Customer-facing English on the phone, under pressure, with technical and non-technical counterparts. Hands-on every day. The CLI is where you live, the config is what you ship. Preferred PCNSE, NSE 7+, CCNP Security, or equivalent depth. Bachelor's in CS, IT, or telecom, or a track record that makes the question irrelevant. MSP or carrier background oper .
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