Sr Engineer, Software Automation

Masimo Corporation • Irvine, CA

76d • $110,000 - $130,000

About The Position

The Senior Engineer, Software Automation is responsible for designing, developing, and maintaining automation frameworks to ensure the quality, security, and performance of on-premises server-client applications, mobile platforms (Android and iOS), and cloud-based services. This role requires expertise in test automation, networking, system-level validation, and secure software practices. The successful candidate will collaborate cross-functionally to validate complex, interconnected systems and drive continuous improvement in testing and product quality.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 7+ years of experience in software engineering or test automation.
• Proficiency in Java and Python for automation scripting.
• Strong knowledge of networking protocols and systems (e.g., TCP/IP, DNS, DHCP, HTTP/S).
• Experience with mobile testing tools (e.g., Appium, Espresso, XCUITest).
• Hands-on experience testing cloud applications and APIs (AWS, Azure, GCP, or private cloud).
• Familiarity with cybersecurity principles and secure coding/testing practices.
• Experience working in secure network or compliance-driven environments.
• Strong analytical, problem-solving, and communication skills.
• Ability to work onsite Monday - Friday in Irvine, CA.

Nice To Haves

• Master's degree in Computer Science, Engineering, Cybersecurity, or related field.
• Experience with security testing tools and practices (e.g., static/dynamic analysis, vulnerability scanning, OWASP Top 10).
• Knowledge of authentication, authorization, encryption, and secure communications.
• Hands-on experience with API security testing (e.g., Postman, REST Assured, OWASP ZAP).
• Familiarity with DevSecOps practices and integrating security into CI/CD pipelines.
• Experience with performance, load, or penetration testing.
• Background in Agile/Scrum development 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.

Benefits

• The anticipated range for this position is $110,000 - $130,000. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience.

What This Job Offers

• Career Level: Senior
• Industry: Administrative and Support Services
• Education Level: Bachelor's degree