Infra Network Engineer

UST; Bengaluru; On-site; INR 4,000,000 - 6,000,000; Full time

Job summary

UST is seeking a Lead I - Cloud Infrastructure Services to design, build and maintain GPU-enabled network infrastructure across global data centers. You will optimize Infiniband/Ethernet networks, manage OOB/Compute integration, and ensure high availability for AI/ML workloads.

The role requires hands-on experience with optical networking, HPC networks, and strong security practices. Extensive collaboration with cross-functional teams and occasional travel are expected.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Over 5 years of experience as senior network engineer or related position.
• Extensive experience in network deployment and operational support.
• Strong knowledge in network administration and architecture.
• Strong knowledge in network security, DDOS, IDS, etc.
• Familiar with routers, switches, firewalls, load balancer, DNS, VPN configuration.
• Familiar with network monitoring tools and protocols.
• Familiar with optical networking incl. fibers, transceivers and optics.
• Experience with data center networks, HPC or AI environments.
• CCNP/CCNA certifications preferred.

Responsibilities

• Plan, design, and implement network infrastructure for GMI global data center, including WAN, Core Network, Data Center Network, Firewalls, Load Balancers, DNS, VPN, etc.
• Build high-performance network solutions to support AI/ML workloads, using Infiniband and Ethernet RDMA RoCEv2.
• Operate, monitor and troubleshoot GPU/HPC network systems to ensure optimal performance daily.
• Manage and configure optical transceivers and related components.
• Collaborate with cross-functional teams to understand business networking requirements.
• Identify suitable network providers, vendors, and solutions to meet needs.
• Ensure 99.9%+ availability of network services and implement security measures.

Skills

Network Architecture

Network Security

Network Administration

Ethernet

DDoS Protection

CCNP

CCNA

DNS

Firewall

InfiniBand

Observability

Education

Bachelor’s degree in Computer Science or related field

Job description

Role Description

Lead I - Cloud Infrastructure Services

Who We Are

At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact—touching billions of lives in the process. Visit us at .

Summary

UST is looking for Infra Network Operation Engineer.

Role Overview

We are seeking a skilled Network Operation Engineer to join the GMI Global Infrastructure team. The ideal candidate will have hands-on experience with GPU network infrastructure and strong understanding of optical communication technologies. You will be responsible for designing, building, maintaining, monitoring, and optimizing advanced network systems to ensure high performance and reliability, supporting our global data centers and AI/ML workloads.

Responsibilities

• Plan, design, and implement network infrastructure for GMI global data center, including WAN, Core Network, Data Center Network, Firewalls, Load Balancers, DNS, VPN, etc.
• Build high-performance network solutions to support AI/ML workloads, encompassing Compute, Storage, Inband, Management, and Out-of-Band (OOB) network fabric using Infiniband and Ethernet RDMA RoCEv2 technologies.
• Operate, monitor and troubleshoot GPU/HPC network systems (Infiniband, RoCe, Ethernet) to ensure optimal performance on a daily basis.
• Manage and configure optical transceivers and related components
• Collaborate with cross-functional teams and stakeholders to understand business requirements related to networking
• Identify suitable network providers, vendors, and solutions to meet organizational needs
• Ensure high performance, scalability, and 99.9%+ availability of network services
• Implement network security measures and perform system upgrades
• Document network configurations, issues, and resolution procedures
• Conduct root cause analysis and resolve network outages efficiently
• Keep abreast of advancements in optical communications, GPU networking, and data center technologies
• Regional/international travel to GMI data center locations.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Over 5 years of experience as senior network engineer or related position.
• Extensive experience in network deployment and operational support.
• Strong knowledge in network administration and architecture.
• Strong knowledge in network security, DDOS, IDS, etc.
• Familiar with various routers, switches, firewalls, load balancer, DNS, VPN configuration implementation.
• Familiar with network monitoring tools and protocols.
• Familiar with optical networking, including fibers, transceivers and optics.
• Experience with high-performance data center networks, HPC or AI environments.
• Excellent problem-solving, troubleshooting and communication skills.
• Candidates holding network certifications (e.g. CCNA, CCNP) will be strongly preferred.
• Candidates with proven experience in the AI/ML GPU networking environment will be highly considered.

What We Believe

We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone, to champion diversity and inclusion and to place people at the centre of everything we do.

Humility

We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity

Through business, we will better the lives of those less fortunate than ourselves.

Integrity

We honour our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.

All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

• To support and promote the values of UST.
• Comply with all Company policies and procedures

Skills

Network Architecture, Network Security, Network Administration, Ethernet, DDoS Protection, CCNP, CCNA, DNS, Firewall, InfiniBand, Observability