Software Engineer, Test & Infrastructure III

Vail Systems•Greater Chicago Area, IL

1d•Hybrid

About The Position

At Vail, our QA Engineering team is deeply technical—we don’t just validate features, we build the frameworks and infrastructure that test real-world signaling flows, analyze media quality, and run performance tests that mimic millions of live voice and web sessions. We're engineers at heart, with a QA-first mindset and a passion for building robust, scalable systems that reveal issues before our customers do. This role involves leading automation development, owning complex test automation, advancing test infrastructure, strengthening CI/CD pipelines, analyzing and resolving complex issues, leading performance validation, collaborating across engineering teams, providing technical leadership, and driving continuous improvement.

Requirements

Bachelor's or Master’s degree in Computer Science/Engineering or a related field, or equivalent experience
Typically, 4–7 years in software development, test automation, or QA infrastructure engineering.
Strong proficiency in one or more of Ruby, Java, C#/.NET, C++, Perl, or Python.
Experience designing, building, and maintaining scalable automation frameworks using JUnit, TestNG, PyTest, RSpec, Selenium, Cucumber, or equivalent technologies.
Experience developing and maintaining automated testing within Jenkins, Docker, Kubernetes, and modern CI/CD pipelines.
Strong understanding of distributed systems, REST APIs, microservices, Linux environments, and network fundamentals.
Experience developing and executing load, stress, and performance testing while analyzing application behavior under production-scale workloads.
Solid understanding of SQL and NoSQL databases for data-driven testing.
Demonstrated ability to diagnose and resolve complex issues across multiple systems.
Experience mentoring engineers, leading code reviews, driving technical initiatives, and collaborating across Agile teams.

Nice To Haves

Demonstrated experience leveraging AI technologies to enhance software testing, test automation, defect analysis, and engineering productivity, with the ability to drive AI adoption and best practices across a Quality Engineering team.

Responsibilities

Design, develop, and maintain scalable, reusable automation frameworks that improve reliability, maintainability, and engineering efficiency across multiple products.
Build and maintain automation for functional, integration, regression, and performance testing across distributed applications, APIs, and telecommunications platforms.
Enhance internal automation tools, testing libraries, and CI/CD workflows that improve quality, reduce manual effort, and accelerate software delivery.
Design and optimize automated test execution within Jenkins and containerized environments, ensuring dependable and repeatable validation throughout the software development lifecycle.
Investigate failures across applications, services, databases, and infrastructure using logs, metrics, and diagnostic tools to identify root causes and improve automation resiliency.
Develop and execute performance, load, and stress testing strategies that accurately model production workloads and identify system bottlenecks before release.
Partner with Software Engineering, Product Management, DevOps, and Operations to improve system quality, release readiness, and overall testability.
Mentor engineers through code reviews, automation design discussions, and troubleshooting while promoting engineering best practices across the QA organization.
Lead initiatives that expand automation coverage, improve framework architecture, increase test reliability, and elevate engineering productivity.

Benefits

Multiple medical, dental, and vision plan options
Company-paid life insurance, short and long-term disability
401(k) savings plan with company match (50% on first 6% of employee contribution)
35 days total annual PTO
Annual Bonus Program
Paid maternity and paternity leave
Relocation allowance
Employee referral bonus
Gym membership
Technical and Professional Development stipend