Network Engineer Jobs

Overview: The role is responsible for managing and supporting the operations of Global Network Engineering in a hybrid/cloud environment and provides senior-level expertise to the network engineering team. We're looking for an expert in on-premises networking, cloud infrastructure networking (Azure/AWS), and telecommunications (VOIP) in global environments, with knowledge and focus on zero-trust networking methodologies. This position requires off-hours on-call availability. This is a remote position with a 3 PM - 12 AM Shift. Candidates may need to visit the Mumbai office as and when needed in the general shift. What You'll Do: Manage physical network management and support covering Guidepoint offices, including, but not limited to, firewalls, routers, switches, etc. Responsible for managing the Enterprise WiFi Operations ZScaler Network management Monitor global traffic latency, issues, and application performance Update and design next-generation network models Network detection and response Intrusion detection and prevention technologies Azure Cloud Traffic integrating with On-prem traffic Azure Web Security CASB models and methodologies What You Have: 8+ years of experience with core networking in an enterprise environment, ideally global network design and security methodologies. 5+ years of working experience with advanced Azure cloud networking technologies. Must have substantial experience with managing WiFi Operations. CCNP Certified or equivalent experience 3+ years of hands-on experience, preferably with Sonic-wall/Netgear. Solid engineering knowledge of routing, switching (VLANs), Azure networking, firewalls, and traffic management. Update network security based on VNETs and Subnets, with traffic monitoring, etc. Knowledgeable in Azure Application Gateways, Front Door, and other security tools. Nice to have: Must know telecommunication technologies (VOIP, SIP Trunking, Microsoft Teams) Network security experience (vulnerability manage

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Network Engineer (Tier 3 Network support) Role Overview The Global Network Engineering team is responsible for: supporting and assisting in the design, architecture, implementation, security, and ongoing support of large-scale, multi-site, multi-vendor MPLS network environments. As a Lead Network Engineer on the Tier 3 Network support team, you will be responsible for preparing high‑level (HLD) and low‑level (LLD) network designs to support both the expansion of existing Mastercard network environments and the build‑out of new greenfield sites. This includes coordinating with internal stakeholders, engineering teams, and external vendors/service providers to ensure the network is designed, implemented, validated, and fully ready for go‑live. The role involves end‑to‑end ownership across solution design, implementation guidance, testing, and operational readiness. Work Arrangements: • Hybrid work arrangements with minimally 3 days onsite. • Regular hours with occasional need for standby support will be required especially during critical project implementation phases. • Occasional travel might be required depending on business needs. All about You The ideal candidate should possess the following skills/competencies: 1. Core Networking (Routing & Swi

Senior Network Engineer — Dublin, Ireland. Apply via Workday.

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Staff Network Engineer Location: MPK/Bellevue/Dublin Snowflake's Enterprise Technology Network Services team is looking for a Senior Network Engineer to lead the design, operation, and optimization of our Zero Trust and secure-access platform. This role is Zscaler-centric — you will own the health, performance, and roadmap of our ZIA/ZPA deployment — while working across a modern, multi-cloud network stack that supports a global workforce of 10,000+ users. You'll be the escalation point for the most complex connectivity issues and a driver of automation and observability across the environment. What You'll Do Own and operate the Zscaler platform (ZIA, ZPA, ZDX, ZCC) end-to-end, including policy frameworks, app-segmentation models, PAC/traffic-forwarding standards, App Connector topology, and NSS/log-streaming design. Troubleshoot secure-access incidents like tunnel flapping, broker/connector health, SSL inspection edge cases, DNS/DTLS failures, and lead root-cause analysis for systemic issues. Manage Palo Alto firewalls, Panorama and GlobalProtect VPN, while planning migration toward Zscaler solutions. Support Aruba (Central) Wireless, Ekahau and Cisco Catalyst switches globally. Design, install, and configure network devices and ISP circuits at new offices. Build automatio

Senior Network Engineer - DGX Cloud — 2 Locations. Apply via Workday.

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations Austin, US Atlanta Denver Seattle About the Role Cloudflare operates one of the world's largest and most interconnected networks, spanning 335+ cities across every region of the globe. We are looking for a Senior Network Engineer to join our Edge Network & Backbone team — someone who brings deep operational experience, an AI-first mindset, and the instinct to mentor and lift the engineers around them. In your first year, th

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Senior Network Engineer. About the job This position is needed to help build, operate, and maintain the global corporate network infrastructure, VPN, ZTNA, and connectivity to our cloud-based systems. As part of the Identity and Network Trust team, you will monitor network performance to proactively respond to incidents. You will need to possess the technical knowledge to troubleshoot and perform root cause analysis for escalated connectivity issues. You also will collaborate with the security team and other engineering teams to develop a secured global network infrastructure. Responsibilities Build, operate and support the global Twilio IT network infrastructure. Keep track of network assets, including network hardware and software. Monitor the network performance, availability, utilization, throughput and latency, providing measurable metrics to the IT leadership team. Work closely with stakeholder teams to determine c

About the team: OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the role: We are seeking an experienced Optical Network Engineer to lead Laser related work within our optical interconnect efforts for large-scale compute systems. The role also requires broad, hands-on optical validation experience across IM/DD-based interconnects, working from lab characterization through production readiness and scaled deployment. In this role you will: Drive laser-focused requirements and technical direction within the broader optical interconnect roadmap. Lead evaluation and validation of optical components and subsystems, including laser-based elements, in lab and production-representative environments. Support end-to-end optical testing for IM/DD interconnects (e.g., module/system bring-up, characterization, debug, and readiness for scale). Work with external partners to align on development milestones, performance targets, and quality expectations. Own technical issue triage and resolution across performance, reliability, and manufacturability topics. Collaborate across internal teams to support integration, rollout, and operational success at scale. You might thrive in this role if you have: Strong experience in laser-focused optical engineering (development, validation, manufacturing readiness, or field support). Broad hands-on background with IM/DD optical technologies and optical test/debug workflows. Experience working with external suppliers/manufacturing partners and production-oriented execution. Demonstrated ability to debug complex t

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers.

About Us: Paytm is India's leading mobile payments and financial services distribution company. Pioneer of the mobile QR payments revolution in India, Paytm builds technologies that help small businesses with payments and commerce. Paytm’s mission is to serve half a billion Indians and bring them to the mainstream economy with the help of technology. About Role: We are seeking an experienced L2 Network & Security Engineer to join our team. As an integral part of our network operations, you will play a crucial role in maintaining and securing our infrastructure. If you have a passion for networking, security, and troubleshooting, we’d love to hear from you! Job Location: Noida Responsibilities: Install and Support: Deploy and maintain LANs, WANs, and network segments. Support Coordination: Collaborate with equipment vendors for troubleshooting and configuration standardization. Firewall Management: Handle firewall configurations to ensure security and optimal performance. Switch Expertise: Maintain a strong understanding of LAN switching technologies, including VLANs, RSTP, ACLs, and Virtual Chassis. Capacity Planning: Recommend network capacity planning strategies. Proactive Maintenance: Plan and execute proactive maintenance for disaster recovery. Network Monitoring: Monitor networks for security, reliability, and availability. Key Skills Required: He/She/They should have 3-6 Yrs. of overall IT experience. Firewalls: Proficient in configuring, managing, and troubleshooting FortiGate and Palo-Alto firewall. Network Switches: Skilled in handling Cisco, Juniper, and Huawei switches. Wireless: Familiarity with Aruba, Cisco controllers and access points. Cloud Expertise: Experience with AWS and Zscaler Private Access. Network Protocols: Sound knowledge of various network protocols and ports. Security Technologies: Familiarity with IPSec, SSL VPN, IDS, and IPS. Additional Skills: Routing and Switching: Prior experience in routing and switching. Communication: S

About the Team The Core Network Engineering team owns the end-to-end networking stack that connects OpenAI’s compute infrastructure — spanning global WAN/edge connectivity, data-center networking, and high-performance host/xPU networking used for large-scale training and inference workloads. This team is responsible for ensuring networking is never the bottleneck to model training efficiency, cluster reliability, or fleet expansion. They design and operate the systems that provide predictable, high-throughput, low-latency connectivity across some of the world’s most advanced AI infrastructure. About the Role We’re looking for engineers to help build and operate the networking foundation behind OpenAI’s frontier AI systems. Depending on your background and area of focus, you may work across host networking, datacenter fabrics, or global WAN infrastructure. The problems span low-level systems software, distributed infrastructure, protocol readiness, observability, performance engineering, automation, and large-scale network operations. You’ll work on systems where microseconds of latency, tail performance, and network reliability directly impact model training efficiency and production serving performance. This role is ideal for engineers who enjoy operating close to the hardware/software boundary and solving performance-critical infrastructure problems at massive scale. In this role, you will: Design, build, and operate networking systems that support large-scale AI training and inference infrastructure Improve performance, reliability, and scalability across host networking, datacenter fabrics, and WAN systems Develop automation for provisioning, configuration management, validation, upgrades, and lifecycle management of networking infrastructure Build tooling and observability systems for network health, performance analysis, debugging, and automated remediation Optimize network performance across technologies such as RDMA, RoCE, InfiniBand, Ethernet, and high-perf

About us Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. Job Summary We are seeking a Senior Principal Network Engineer to help design, deploy, and optimize next‑generation AI data center networks. AI training and inference workloads require extremely high bandwidth, deterministic low latency, and zero‑packet‑loss networking environments. In this role, you will partner closely with the Network Architecture Lead to design and scale high‑performance computing (HPC) network fabrics supporting GPU clusters. You will work across hardware, networking, and AI application layers to ensure Graphcore’s large‑scale AI infrastructure operates at peak performance. The ideal candidate brings deep experience operating hyperscale or HPC data center networks and has expertise in high‑speed Ethernet fabrics, RDMA technologies, advanced automation, and telemetry systems. The Team The Data Center Network Engineering team designs and operates the high‑performance network fabrics that power Graphcore’s AI compute platforms. The team collaborates closely with hardware engineering, AI researchers, and infrastructure teams to build scalable networking environments optimized for distributed training and infe

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations: Lisbon, Portugal About the Department Cloudflare's Network Engineering Team builds and runs the infrastructure that runs our software. The Engineering Team is split into two groups: one handles product development and the other handles operations. Product development covers both new features and functionality and scaling our existing software to meet the challenges of a massively growing customer base. The operations tea

WBC is Hiring Network Engineer Ready to take your networking career to the next level? Join the WBC family and grow with us! Required Technical Skills: LAN, WAN & Wi-Fi Configuration Router & Switch Configuration Firewall & VPN Configuration Troubleshooting & Maintenance Network Monitoring & Performance Optimization Basic Windows/Linux Server Knowledge Network Documentation & Technical Support Location: Karaikudi Experience: 0 2 Years Preferable Candidate: Male Apply Now: Send your updated resume to For More Info: 99439 77818 #WBC #Hiring #NetworkEngineer #Networking #TechnicalSupport #ITJobs #Karaikudi #Experienced #ImmediateHiring

Implementations/Activations Network Engineer II — Shiloh, IL. Apply via Workday.