Senior Network Engineer at Delartech

About the job Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications. Overview Join our team as a Network Engineer where you will design, deploy, and manage robust network infrastructures to support cutting-edge global engineering and AI lab environments. This role is pivotal in providing seamless connectivity for our state-of-the-art compute and storage clusters, involving close collaboration with our hardware, software, and systems teams. As part of the central network operations, your efforts will be significant in executing complex lab bring-ups and migrations across our global sites, ensuring high availability and performance. Responsibilities • Own the complete lifecycle of Frontend (FE) and Backend (BE) network design, deployment, and operations for AI and compute lab clusters. • Design and implement high-throughput, low-latency cluster networking solutions, covering congestion management (PFC/ECN), RDMA validation, and lossless transport protocols. • Oversee host networking configurations, including PXE, SLAAC for IPv6, and DHCPv6 provisioning. • Develop comprehensive network architecture plans utilizing protocols like BGP/MP-BGP, EVPN VXLAN, and OSPF, incorporating robust IPv4 and IPv6 addressing schemes. • Configure and manage network devices using advanced protocols and features such as BGP/MP-BGP, EVPN VXLAN, DHCP, DNS, and stateful/stateless firewalls. • Conduct exhaustive evaluations of existing network setups, formulate migration strategies, and create detailed documentation for legacy and new network infrastructures. • Perform in-depth troubleshooting and root-cause analysis across L1-L4, utilizing tools like packet captures, telemetry, SNMP, NetFlow, sFlow, ICMP, IPSLA, RPM Probes, syslog, and additional vendor-specific utilities. • Lead lab network lifecycle management including upgrades, migrations, capacity scaling, and decommissioning initiatives across multiple geographic regions. • Develop and maintain network automation tools, configuration templates, and zero-touch provisioning (ZTP) workflows leveraging Python, Bash, and version control systems such as Git. • Create and uphold Method of Procedures (MOPs), runbooks, and readiness checklists ensuring seamless internal and vendor operations. • Provide direct consultation and training to cross-functional teams, empowering them with the skills to independently manage and troubleshoot lab network systems. • Collaborate diligently with hardware, software, systems, and lab operations teams to validate newly deployed platforms, optics, and network designs. • Engage in limited travel (~10%) to oversee critical lab builds, migrations, or high-priority escalation events. Minimum Qualifications • Bachelor’s degree in Computer Science, Computer Engineering, or a closely related technical field, or equivalent practical experience. • At least 1 year of experience in Data Center Network (DCN) Engineering. • 10+ years of proficient experience in designing, deploying, and managing network infrastructures within production or laboratory environments. • Demonstrated mastery in Networking Layer 1 (L1) with expertise in 800G and 1.6Tbps high-speed cabling validation, multi-vendor optics qualification, utilizing BCM shell and I2C tools for hardware problem resolution. • Intimate experience with lab test apparatus, BERT, optical switches, and diverse physical infrastructure solutions. • Profound knowledge in IPv4/IPv6, L2/L3 protocols, including STP, OSPF, BGP, TCP/IP, DHCP, PXE, SLAAC, DNS, VLANs, VRRP, LACP, MC-LAG, ACLs, MAB, MACSEC, and EVPN/VXLAN. • Extensive hands-on experience with backend cluster networking, encompassing scale-out fabrics and RDMA-enabled networks with focus on congestion management and QoS for traffic prioritization. • Experience in multi-vendor environments, particularly with Arista, FBOSS platforms, and related lab networking hardware. • Proven track record in requirement gathering and network architectural development for engineering lab environment build-outs. • Deep understanding of server and host networking architectures, data center fabric designs, and telemetry systems. • Ability to operate with minimal oversight in a global, high-pressure setting while managing multiple priorities and adhering to mission-critical timelines. Preferred Qualifications • Experience in network automation, CI/CD pipeline development, audit frameworks, and validation tooling. • Proficient in supporting AI/ML or high-performance compute clusters within laboratory or pre-production settings. • Familiarity with gNMI-based network monitoring technologies. • Advanced proficiency in implementing security protocols such as MACSEC and IPSec for secure communication across IPv4 and IPv6 networks, alongside RADIUS/Pi authentication systems. • Skilled in managing network infrastructure configuration management, code repositories, and ZTP methodologies. • Expertise in lab test instruments, qualifying optics (400G/800G), utilizing optical switch technologies, and overseeing physical infrastructure installations. • Experience with Power over Ethernet (PoE), AC/DC power management, along with fiber and copper cabling configurations. • Knowledge in the design of physical infrastructure, addressing structured cabling, space optimization, power management, and cooling requirements. • Possession of Networking certifications such as CCIE, JNCIE, or their equivalent. • Proficient in disaggregated networking solutions and platforms like FBOSS, SONiC, and Cumulus Linux. • Advanced coding/scripting abilities in languages like Python and shell scripting, with familiarity in code repository solutions. Benefits Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes premium PPO and HMO medical insurance, dental and vision coverage, flexible spending accounts (FSA), life insurance, short- and long-term disability insurance, a company-matched 401(k) plan, and a generous paid time off policy. Join us in shaping the future of technology. Apply today! Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.