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L3 Network & Security Engineer
L3 Network & Security Engineer
Gigabit Technologies Pvt Limited's logo

L3 Network & Security Engineer

Shivani Sharma's profile picture
Posted by Shivani Sharma
4 - 10 yrs
₹15L - ₹25L / yr
Delhi
Skills
Implementation
Network Security
Cisco Certified Network Associate (CCNA)
Architecture
Network design
HLD
Fortinet
Palo Alto
Routing & Switching
Migration
Deployment

About the Role

We are seeking a highly skilled L3 Network & Network Security Engineer with Team Management responsibilities to lead the design, delivery, and support of secure network solutions for enterprise and mid-market customers.

As part of an IT System Integration company, this role combines deep technical expertise, team leadership, and customer-facing project delivery. You will act as a technical authority, mentor a team of engineers, and ensure high-quality implementation and support of complex network and security environments.


Key Responsibilities

Technical Leadership (L3)

  • Act as the L3 escalation point for complex network and security incidents.
  • Design, validate, and implement enterprise network architectures (LAN, WAN, WLAN, Data Center).
  • Lead technical design workshops and solution reviews with customers.
  • Perform advanced troubleshooting across routing, switching, and security domains.
  • Review and approve high-risk configuration changes and deployments.
  • Define technical standards, best practices, and reference architectures.


Network Engineering

  • Design and support routing and switching technologies (BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
  • Deliver WAN, SD-WAN, MPLS, VPN, and internet connectivity solutions.
  • Support network migrations, refresh projects, and infrastructure transformations.
  • Produce high-quality design documents (HLD/LLD), implementation plans, and as-built documentation.


Network Security Engineering

  • Design and implement secure network solutions including NGFWs, IDS/IPS, VPNs, and NAC.
  • Define and enforce segmentation, access control, and zero-trust security models.
  • Implement and manage firewall platforms (e.g., Palo Alto, Fortinet, Cisco Firepower, Check Point).
  • Support compliance-driven customer requirements (ISO 27001, SOC 2, PCI-DSS, etc.).
  • Work closely with SOC and security teams on incident response and remediation.


Team Management & Mentorship

  • Lead, mentor, and develop a team of L1/L2/L3 network and security engineers.
  • Assign workload, manage escalations, and ensure SLA adherence.
  • Conduct performance reviews, coaching, and technical skill development.
  • Support recruitment, onboarding, and technical training plans.
  • Foster a culture of technical excellence, accountability, and continuous improvement.

Project & Customer Engagement

  • Act as a trusted technical advisor for customers.
  • Collaborate with pre-sales teams on solution design, effort estimation, and technical validation.
  • Support Proof Concepts (PoCs) and customer demonstrations.
  • Ensure successful project delivery aligned with scope, timelines, and quality standards.
  • Participate in change management, maintenance windows, and on-call rotations.

Required Skills & Experience

  • 5+ years of experience in enterprise networking and network security.
  • Strong hands-on experience in L3 routing, switching, and firewall technologies.
  • Proven experience leading or managing technical teams.
  • Background working in an IT System Integrator, MSP, or project-based environment.
  • Advanced troubleshooting skills across OSI Layers 1–7.
  • Excellent customer-facing communication and documentation skills.
  • Ability to balance hands-on engineering with leadership responsibilities.


Preferred Qualifications

  • CCNP / CCIE / PCNSE / NSE / Check Point CCSA/CCSE or equivalent.
  • Experience with SD-WAN and SASE solutions.
  • Cloud networking and security (AWS, Azure, GCP).
  • Automation and scripting experience (Python, Ansible, Terraform).
  • ITIL or project management exposure is a plus.


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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About Gigabit Technologies Pvt Limited

Founded :
2010
Type :
Services
Size :
20-100
Stage :
Profitable

About

GIGABIT Technologies is an IT Consulting & Professional IT Services company with an objective to help companies in the mid space market (SME) & Large Enterprises to focus on their business and achieve their business goals by harnessing the power of Information Technology and using IT as an enabler for continuous growth and effective information management. We are adept at managing information by exploiting the power of technology and bring our expertise to table for enterprises and generate value for them through our practices, services and consulting. Our key area of expertise includes IT Infrastructure Design & Management Services, Security, Consulting on Business Management Applications, Hosted Solutions, Managed Services, Information Availibility & Remote Network Management Services. We are committed to providing you with quality solutions that are on time and within budget. Our solutions enables organizations assure the security of their business by protecting the information and the underlying infrastructure upon which the business relies on. This commitment to our customers is backed up by our commitment to our own staff and ensuring we achieve the high standards we demand of ourselves. To this end we constantly invest in our staff and ensure that all staff are highly trained and certified in the services we offer. We at GIGABIT Technologies believe that the success of any IT solution is not simply based on the technical aspects and advantages of that solution, but needs to be built on the core foundations of people, industry based standards, processes and best practices. Backed with our quality processes and commitment to deliver, GIGABIT Technologies provides clients with quality solutions at cost effective rates. As an independent consulting & services company we provide our clients with unbiased advice on how to successfully implement and manage technology to compliment their business requirements.
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Shubham Vishwakarma

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I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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