Role description
UST Title – 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
About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.
