Python Network Automation Engineer for CPE Testing

Yoh Services LLC; Sunnyvale (CA); On-site; USD 69,000 - 83,000; Full time

Benefits offered by this job

Medical benefits

Health Savings Account

Life & Disability Insurance

401K retirement savings

Job summary

Yoh, a Day & Zimmermann company, is seeking a Junior to Entry/Mid-Level Python CPE Network Automation Engineer in Sunnyvale to support automated testing of routers, access points, extenders, gateways, and other CPE devices.

The role focuses on developing Python and Pytest automation, automating device interactions, analyzing traffic with Wireshark/Tshark, and integrating tests into Git-based CI/CD pipelines.

Qualifications

• 3–5 years of experience in Python, test automation, network automation, or a related field.
• Proficiency with Python 3, Pytest or unittest, and Bash scripting.
• Working knowledge of Linux administration.
• Familiarity with Paramiko, Netmiko, Requests, Pexpect, or similar libraries.
• Understanding of IP addressing, subnetting, DHCP, DNS, NAT, VLANs, and routing.
• Basic knowledge of WiFi standards, SSIDs, authentication, and performance metrics.
• Experience with Wireshark or tcpdump.
• Experience using Git.
• Strong troubleshooting and communication skills.

Responsibilities

• Develop Python and Pytest automation for CPE validation.
• Automate device interactions using SSH, REST APIs, cURL, and CLI tools.
• Generate and analyze traffic using iPerf3, Scapy, Wireshark, and Tshark.
• Test throughput, packet loss, latency, roaming, and connectivity.
• Configure Linux test hosts, switches, VLANs, and testbed infrastructure.
• Automate provisioning, firmware flashing, reboots, and configuration changes.
• Integrate tests into Git-based CI/CD pipelines.
• Analyze results, troubleshoot failures, capture packet traces, and document defects.

Skills

Python

Pytest

Bash

Linux

Git

Networking basics

Troubleshooting

Education

Bachelor’s degree

Tools

Paramiko

Netmiko

Requests

Pexpect

Job description

Yoh, a Day & Zimmermann company, is seeking a Junior to Entry/Mid-Level Python CPE Network Automation Engineer in Sunnyvale to support automated testing of routers, access points, extenders, gateways, and other CPE devices.

The role focuses on developing Python and Pytest automation, automating device interactions, analyzing traffic with Wireshark/Tshark, and integrating tests into Git-based CI/CD pipelines.