Wi-Fi Engineer

Senior Wireless Network SRE

The Network Support and SRE team is in search of a seasoned Wireless Network SRE to help actualize the SRE vision for our network infrastructure. This role demands a unique blend of hands-on expertise in network operations, engineering, and observability. A proficient Network SRE is dedicated to enhancing network operations, diligently working to minimize manual labor and achieve Service Level Objectives (SLOs). Our approach includes minimizing reactive operational tasks, conducting blameless postmortems, and proactively identifying and mitigating network risks to foster continuous improvement. This is crucial for ensuring client satisfaction and maintaining an engaging, varied work environment. We encourage autonomy in tackling significant projects and are committed to fostering a supportive atmosphere that offers the mentorship necessary for professional development and growth. As a Wireless Network SRE, your role will focus on:

• Owning the operational aspect of the wireless infrastructure, ensuring its high availability and reliability.
• Partnering with architecture, tooling, and deployment teams to guarantee that new implementations are supportable and align with production standards.
• Advocating for and implementing automation to reduce toil and enhance operational efficiency.
• Monitoring network performance, identifying areas for improvement, and coordinating with relevant teams to execute enhancements.
• Educating the network support team to empower them to help support the global Nvidia wireless footprint.
• Collaborating with SMEs to resolve production issues swiftly and effectively, maintaining customer satisfaction.
• Identifying opportunities for operational improvements and partnering with teams to develop solutions that drive excellence and sustainability in network operations.

What we need to see:

• Educational Background: BS degree in Computer Science, Electrical Engineering, or a related technical field, or equivalent practical experience.
• Professional Experience: Minimum of 8 years of industry experience in wireless site reliability engineering, wireless network operations, or related areas. Solid grasp of underlying network and security components leveraged in a wireless network.
• Wireless Protocols and Standards: Expert-level knowledge in wireless technologies such as 802.11ac and 802.11ax in addition to surrounding technologies such as WPA, Radius, EAP, 802.1X.
• Wireless Access Points and Controllers: Strong familiarity with WLAN controllers – especially Mist.
• RF Design and Troubleshooting: Understanding RF fundamentals, site surveys, spectrum analysis, and interference mitigation. Capable of building and interpreting wireless site heatmaps and optimizing for events. Tuning wireless networks for scalability and high availability.
• Network Skills: Expertise in general network technologies such as TCP/UDP, IPv4/IPv6, BGP, VPN, L2 switching. Proven track record in network operations.
• Programming and Scripting Skills: Experience in one or more of the following: Python, Perl, Bash.
• Monitoring Tools: Familiarity with network management tools such as Prometheus, Grafana, Alert Manager, Nautobot/Netbox, Netdisco.
• System Administration: Knowledge of Linux system fundamentals is a plus.
• Problem-Solving and Communication: Systematic problem-solving approach, coupled with excellent communication skills and a sense of ownership and drive.

Ways to stand out:

• Support Automation: Track record of taking operational signals through means such as SNMP, Syslog, synthetics to solve operational challenges. Background in building and/or leveraging synthetics such as UXI, Signal7, Wyebot to measure wireless availability and user experience.
• Code Optimization: Ability to debug and optimize code; automate routine tasks.
• Platform Exposure: Experience with Mellanox/Cumulus Linux, Mist Wireless, Cisco Wireless.
• Security Awareness: Experience with WLAN security components such as Client.
• Previous SRE experience.