Senior Software Automation Engineer – Security & CI/CD

Masimo Corporation; Irvine, Northern (CA, KY); Hybrid; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan

Paid time off

On-site wellness clinic

Job summary

Masimo Corporation is seeking a Sr Engineer, Software Automation to design, develop, and maintain automation frameworks for on-premises server-client apps, mobile platforms (Android and iOS), and cloud-based services. This onsite role is based in Irvine, CA.

You will lead automated testing initiatives, collaborate with engineering, QA, DevOps, and security teams, and advance CI/CD integration, test environments, and security testing practices while mentoring junior engineers.

Qualifications

• 5+ years in software engineering or test automation.
• Proficiency in Java and Python for automation.
• Experience with mobile testing tools (Appium, Espresso, XCUITest).
• Experience testing cloud apps and APIs (AWS, Azure, GCP).
• Familiarity with cybersecurity principles and secure coding/testing practices.
• Experience in secure network or compliance-driven environments.

Responsibilities

• Design, develop, and maintain automated test suites for on-premises applications, mobile platforms, and cloud services/APIs.
• Execute and analyze manual and automated test cases; troubleshoot issues using test results and logs.
• Validate system behavior in secure networking environments, ensuring alignment with cybersecurity best practices.
• Collaborate with engineering, QA, DevOps, and security teams to ensure comprehensive coverage of functional, performance, and security testing.
• Build and manage complex test environments including physical infrastructure, mobile devices, and cloud/virtualized components.
• Identify and report potential security vulnerabilities in partnership with internal security and compliance teams.
• Contribute to CI/CD pipelines and integrate automation into development workflows.
• Document test strategies, execution results, and recommendations for quality improvements.
• Mentor junior engineers and promote a culture of quality, security, and continuous learning.

Skills

Java & Python

Networking basics

Mobile testing

Cloud testing

Secure coding/testing

Analytical skills

Communication

Education

Bachelor’s degree in CS/SE

Tools

Appium

Espresso

XCUITest

Postman

Job description

Masimo Corporation is seeking a Sr Engineer, Software Automation to design, develop, and maintain automation frameworks for on-premises server-client apps, mobile platforms (Android and iOS), and cloud-based services. This onsite role is based in Irvine, CA.

You will lead automated testing initiatives, collaborate with engineering, QA, DevOps, and security teams, and advance CI/CD integration, test environments, and security testing practices while mentoring junior engineers.