Senior Network Security Engineer

3 days ago

Hyderabad, Telangana, India Quantela Full time ₹ 12,00,000 - ₹ 36,00,000 per year


About Quantela
We are a technology company that offers outcomes business models. We empower our customers with the right digital infrastructure to deliver greater economic, social, and environmental outcomes for their constituents.
When the company was founded in 2015, we specialized in smart cities technology alone. Today, working with cities and towns; utilities, and public venues, our team of 280+ experts offer a vast array of outcomes business models through technologies like digital advertising, smart lighting, smart traffic, and digitized citizen services.
We pride ourselves on our agility, innovation, and passion to use technology for a higher purpose. Unlike other technology companies, we tailor our offerings (what we can digitize) and the business model (how we partner with our customers to deliver that digitization) to drive measurable impact where our customers need it most. Over the last several months alone, we have served customers to deliver outcomes like increased medical response times to save lives; reduced traffic congestion to keep cities moving and created new revenue streams to tackle societal issues like homelessness.
We are headquartered in Billerica, Massachusetts in the United States with offices across Europe, and Asia.
The company has been recognized with the World Economic Forum's 'Technology Pioneers' award in 2019 and CRN's IoT Innovation Award in 2020.
For the latest news and updates, please visit us at
Overview of the role
We seek a Senior Network & Security Engineer with 10–15 years of hands-on experience to lead complex enterprise infrastructure projects. This 100% travel-based role requires on-site presence from project initiation to handover. The ideal candidate will have deep expertise across networking, security, data center, voice, and storage technologies, with a strong ability to adapt to new tools and environments.
Roles and Responsibilities
  • Network Design & Implementation: Design, install, and configure enterprise-grade network hardware including routers, switches (Cisco Nexus, Catalyst), and wireless access points.
  • Performance Monitoring & Troubleshooting: Continuously monitor network performance, troubleshoot issues, and optimize throughput, latency, and reliability.
  • Network Maintenance: Perform regular updates, patches, and configuration changes to ensure optimal security and functionality.
  • Infrastructure Management: Manage and optimize network monitoring and alerting tools for proactive incident response.
  • Documentation: Maintain detailed network diagrams, IP schemas, and configuration backups.
  • Advanced Network Configurations: Implement VPNs, VLANs, QoS, routing protocols (OSPF, BGP, EIGRP), Layer 2/3 protocols (HSRP, VRF, STP, LACP, VXLAN).
  • Data Center Engineering: Architect and deploy modern data center networks using Cisco Nexus 9000 series and Cisco ACI fabric, including advanced features like vPC, VDC, VXLAN EVPN.
  • Security Integration: Work with firewalls (Palo Alto, Fortinet, Cisco ASA/Firepower), micro-segmentation strategies, and implement security best practices.
  • Security Operations: Implement and manage firewalls, IDS/IPS, SIEM, and endpoint protection; monitor for threats and conduct incident response and vulnerability assessments.
  • Collaboration & Support: Provide guidance to internal IT and DevOps teams, ensure secure CI/CD pipelines, and support secure system deployments.
  • Application Delivery: Configure and maintain ADCs such as F5 BIG-IP (LTM, GTM, ASM), NGINX, HAProxy for traffic management, application performance tuning, and session persistence.
  • VoIP Systems: Manage VoIP platforms (Cisco CUCM), SBCs, gateways, and voice policies; troubleshoot call flows using tools like Wireshark.
  • Storage Networking: Design and support SAN environments using Cisco MDS 9000 switches, perform zoning and VSAN configuration, and manage storage arrays (NetApp, HPE).
  • Security & Compliance: Conduct threat modeling, ensure compliance with frameworks (NIST, ISO 27001, MITRE ATT&CK), and maintain up-to-date documentation and audit trails.

Desired Skills/Background
  • Experience: 10–15 years in enterprise networking and security roles with proven, hands-on implementation and support experience.
  • Travel Requirement: 100% travel; must be available to remain at client sites for the full project duration.
  • Technical Proficiency in Cisco Nexus, IOS-XE, NX-OS, ACI, Routing protocols (OSPF, BGP, EIGRP), VXLAN EVPN, VRF, HSRP, Firewalls: Palo Alto, Cisco ASA/Firepower, Fortinet, ADCs: F5 BIG-IP, HAProxy, NGINX, SIEM: Splunk, QRadar; IDS/IPS systems, VoIP technologies (CUCM, SIP, RTP, SCCP, dial-peers), SAN: Cisco MDS, Fibre Channel, NetApp ONTAP, HPE Primera
  • Tools: Wireshark, VoIP monitoring, DDoS protection platforms
  • Deep understanding of TCP/IP, security threats, DDoS, common network attack vectors
  • Strong communication, problem-solving, and documentation skills
  • Ability to quickly learn and integrate new technologies as required by client environments
 

Notice Period:
30 Days

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