Lead Software Test Engineer

Cox Enterprises

Lead Software Test Engineer applying testing principles and collaborating across teams at Cox Automotive. Focused on ensuring quality and reliability of distributed software platforms through effective testing methodologies.

Posted 5/13/2026full-timeExton • Pennsylvania, Texas • 🇺🇸 United StatesSenior💰 $122,700 - $204,500 per yearWebsite

Tech Stack

Tools & technologies

JMeter.NET

About the role

Key responsibilities & impact

The Lead Software Test Engineer applies advanced knowledge of testing principles, methodologies, and techniques to ensure the quality and reliability of complex, distributed software platforms
Serving as an influential participant in design reviews, this role develops and executes functional, integration, system, load, and performance tests
Defines system-wide standards for test automation; and coordinates cross-organizational UAT environments in partnership with integrating teams
Applies effective influence and collaboration—without formal management authority—across Engineering, Product, Architecture, and SRE to embed quality throughout the software delivery lifecycle
Takes the lead on difficult defect detection and troubleshooting, predicts and documents potential risks and constraints
Leverages AI tooling to drive consistency in test automation across the engineering organization
Serves as a thought leader in evolving quality practices to meet the shift towards AI-generated code

Requirements

What you’ll need

Bachelor’s degree in a related discipline and 6 years of experience in a related field, or equivalent combinations such as a master’s degree and up to 4 years of experience, or 10 years of experience with no degree
Hands-on experience developing test automation with modern frameworks such as Playwright, RestSharp, Pact.NET, and xUnit
Hands-on experience creating performance test automation with tools such as JMeter or k6
Experience with test management and orchestration (test reporting frameworks, TestContainers, etc.)
Reviews product requirements and system designs with a testability lens, contributing test strategy input during architecture reviews and driving implementation patterns that support maintainable, scalable automation
Skilled at building partnership with Product, Architecture, and Engineering teams both inside and outside of the organization
Remains current on test automation tooling and methodologies, recommending and driving adoption of advanced approaches that measurably improve coverage, defect detection, or CI/CD feedback cycle times
Demonstrated experience working with AI coding tools (such as Claude, GitHub Copilot, or equivalent) and the ability to define and implement quality guardrails within agent configurations, constitutions, or briefings

Benefits

Comp & perks

The Company offers eligible employees the flexibility to take as much vacation with pay as they deem consistent with their duties, the company’s needs, and its obligations
seven paid holidays throughout the calendar year
up to 160 hours of paid wellness annually for their own wellness or that of family members
Employees are also eligible for additional paid time off in the form of bereavement leave, time off to vote, jury duty leave, volunteer time off, military leave, and parental leave
health care insurance (medical, dental, vision)
retirement planning (401(k))
paid days off (sick leave, parental leave, flexible vacation/wellness days, and/or PTO)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

test automationfunctional testingintegration testingsystem testingload testingperformance testingtest strategydefect detectiontroubleshootingAI coding tools

Soft Skills

influencecollaborationpartnership buildingcommunicationthought leadership