Sr Network Architect

Gartner; Gurugram District; On-site; INR 5,000,000 - 9,000,000; Full time

Job summary

Gartner is seeking a Senior Network Architect to lead the strategic vision and design of a secure, scalable multi-cloud enterprise network. You will define roadmaps, guardrails, and reference architectures for LAN/WAN, SD-WAN, and data centers, while driving security and automation initiatives across global teams.

The role requires expert-level knowledge of BGP/OSPF, SDN, and modern security designs, with opportunities to mentor engineers and influence enterprise-wide networking strategy.

Qualifications

• 12–16 years of deep technical experience in large-scale enterprise routing, switching and complex network design.
• Proven modernization strategies to transform legacy topologies into intent-driven, automated infrastructures.
• Ability to author and maintain global network architectural standards, high-level designs (HLD) and deployment blueprints.
• Master-level understanding of routing & switching (BGP/OSPF) and data-center fabrics (spine-leaf).
• Deep knowledge of enterprise WLAN controllers, cloud-managed Wi-Fi, RF engineering, and centralized wireless management.
• Hands-on knowledge of F5 BIG-IP systems (LTM, DNS, APM) and SSL/TLS profiles.
• Experience with Palo Alto NGFW deployments managed via cloud tools and cloud-delivered security services.
• Expertise in SASE & edge architectures for remote users and branches.
• Experience with cloud-native networking across AWS and Azure.
• Collaborates with Information Security, Cloud Engineering, DevOps, and leadership to align infra with business goals.
• Provides architecture reviews and mentorship to network engineering teams.

Responsibilities

• Define Strategy: blueprint global enterprise network across LAN/WAN/SD-WAN/multi-cloud.
• Lead Security Architecture: design frameworks with next-gen firewalls, SASE, zero-trust, micro-segmentation.
• Author Roadmaps: long-term roadmaps and guardrails for campuses, data centers and cloud connectivity.
• Drive Innovation: evaluate SDN, intent-based networking, automation, and AI frameworks.
• Cross-Functional Collaboration: partner with infra, apps, Infosec, DevOps and End users.
• Govern Documentation: own reference architectures, topo diagrams, IaC libs, compliance guidelines.
• Act as Highest Escalation: resolve complex infra or performance issues.
• Mentor Teams: provide governance and mentorship to network engineering teams.

Skills

Enterprise networking

Security architecture

SDN

Automation

Multi-cloud networking

Zero-trust

Architectural guardrails

Cloud connectivity

Education

BE/BTech, ME/MTech or MCA

Tools

F5 BIG-IP

Palo Alto NGFW

Strata Cloud Manager

SD-WAN tooling

Job description

About Gartner IT

Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients. We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner. Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion that great ideas can come from anyone on the team.

About this role

Senior Network Architect is a senior technical leader responsible for the strategic vision, lifecycle planning, and architectural design of highly reliable, secure, and scalable multi-cloud and enterprise network infrastructure to support Gartner Conference and global business operations. The ideal candidate brings expert-level mastery in enterprise network design, zero-trust security frameworks, edge connectivity, and hybrid cloud ecosystems. They are passionate about setting architectural guardrails, authoring long-term technology roadmaps, and leveraging modern software-defined networking (SDN) and automation frameworks to drive transformative business outcomes.

What you’ll do

• Define Strategy: Architect the global enterprise network blueprint spanning LAN, WAN, SD-WAN, multi-cloud ecosystems, and high-density event environments.
• Lead Security Architecture: Design enterprise-wide network security frameworks, integrating next-generation firewalls, SASE, zero-trust models, and micro-segmentation.
• Author Roadmaps: Establish long-term technology roadmaps, standard reference designs, and architectural guardrails Campus office, Data Center, and cloud connectivity.
• Drive Innovation: Evaluate and select emerging technologies, leading proof-of-concepts for SDN, intent-based networking, network automation, and AI frameworks.
• Cross-Functional Collaboration: Partner with infrastructure team, application team, Infosec team, DevOps Team, Cloud CCOE team and End user team.
• Govern Documentation: Own the lifecycle of core reference architectures, global topology diagrams, infrastructure-as-code libraries, and standard compliance guidelines.
• Act as Highest Escalation: Serve as the ultimate technical authority for systemic, complex infrastructure or application performance anomalies.
• Mentor Teams: Provide technical governance and mentorship to senior network engineering teams, cultivating engineering excellence across the organization.

What you’ll need

• Professional Experience: 12-16 years of deep technical experience in large-scale enterprise routing, switching, and complex network infrastructure design.
• Modernization Strategy: Proven success in designing enterprise network modernization strategies, transforming legacy topologies into intent-driven, automated infrastructures.
• Technical Governance: Ability to author and maintain global network architectural standards, high-level designs (HLD), low-level designs (LLD), and deployment blueprints.
• Core Routing & Switching: Master-level understanding of advanced routing protocols (BGP, OSPF) alongside high-density data center fabrics (spine-leaf) and modern campus network topologies.
• Enterprise Wireless: Deep technical knowledge of enterprise wireless LAN (WLAN) controllers, cloud-managed Wi-Fi architecture, RF engineering, and centralized wireless management platforms.
• Application Delivery & Load Balancing: Advanced, hands-on knowledge of F5 BIG-IP systems (LTM, DNS, APM), including deep familiarity with SSL/TLS termination, HTTP/HTTPS profiles, and iRules.
• Palo Alto Security Design: Strong experience in Palo Alto Networks infrastructure, designing secure deployments utilizing Next-Generation Firewalls (NGFW) managed via Strata Cloud Manager, user-ID/app-ID policies, and cloud-delivered security services.
• SASE & Edge Architecture: Expertise to architect and scale Secure Access Service Edge (SASE) and SD-WAN frameworks to provide optimized, secure connectivity for remote users and branch offices.
• Multi-Cloud Networking: Deep knowledge of cloud-native networking constructs, designing and securing high-performance transit networks across AWS (Transit Gateway, Direct Connect, VPCs) and Microsoft Azure (Virtual WAN, ExpressRoute, vNets).
• Cross-Functional Collaboration: Proven ability to partner directly with Information Security, Cloud Engineering, DevOps, and executive leadership to align infrastructure capabilities with business goals.
• Technical Leadership: Experience providing technical guidance, architecture/design reviews, and mentorship to the network engineering team

Who You Are

• Graduate/Postgraduate in BE/B tech, ME/MTech or MCA are preferred.
• Excellent communication and prioritization skills.
• Able to work independently or within a team proactively in a fast-paced AGILE-SCRUM environment.
• Owns success – Takes responsibility for successful delivery of the solutions.
• Ardent desire to improve upon their skills in software development, frameworks, and technologies.

Who are we?

At Gartner, Inc. (NYSE:IT), we guide the leaders who shape the world. Our mission relies on expert analysis and bold ideas to deliver actionable, objective business and technology insights, helping enterprise leaders and their teams succeed with their mission-critical priorities. Since our founding in 1979, we’ve grown to 20,000 associates globally who support over 13,000 client enterprises in ~90 countries and territories. We do important, interesting and substantive work that matters. That’s why we hire associates with the intellectual curiosity, energy and drive to want to make a difference. The bar is unapologetically high. So is the impact you can have here.

What makes Gartner a great place to work?

Our vast, virtually untapped market potential offers limitless opportunities – opportunities that may not even exist right now – for you to grow professionally and flourish personally. How far you go is driven by your passion and performance. We hire remarkable people who collaborate and win as a team. Together, our singular, unifying goal is to deliver results for our clients. Our teams are inclusive and composed of individuals from different geographies, cultures, religions, ethnicities, races, genders, sexual orientations, abilities and generations. We invest in great leaders who bring out the best in you and the company, enabling us to multiply our impact and results. This is why, year after year, we are recognized worldwide as a great place to work.

Gartner is the world authority on AI

At Gartner, you’ll join a company at the very center of the AI revolution. Gartner has proactive, objective guidance throughout clients’ AI journeys. We set the standard for how organizations leverage artificial intelligence to drive meaningful impact. You’ll have access to unmatched resources, expertise, and technology, and play a key role in helping Gartner and our clients innovate and grow as we leverage AI to transform business and technology landscapes. It’s an exciting time to be at Gartner, with limitless opportunities to make a real impact, grow your skills, and build a lasting, meaningful career in a field that’s reshaping the way we operate. If you’re passionate about AI and want to be part of a team that’s guiding the leaders who shape the world, Gartner is the place for you.

What do we offer?

Gartner offers world-class benefits, highly competitive compensation and disproportionate rewards for top performers. In our hybrid work environment, we provide the flexibility and support for you to thrive - working virtually when it's productive to do so and getting together with colleagues in a vibrant community that is purposeful, engaging and inspiring.

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