Senior Software Automation Engineer - Onsite Irvine

Masimo

Irvine (CA)

On-site

USD 100,000 - 130,000

Full time

14 days+

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Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Life/AD&D

Disability Insurance

401(k)

Vacation

Sick leave

Holiday pay

Paid maternity leave

Flexible Spending Accounts

Pet Insurance

on-site Wellness Clinic

Fitness Center

Café

Job summary

Masimo in Irvine, CA seeks a Sr Engineer, Software Automation to design, develop, and maintain automation frameworks for on-premises server–client applications, mobile platforms (Android and iOS), and cloud-based services. The role emphasizes test automation, networking, security, and cross-functional collaboration to improve testing and product quality.

This onsite position at our Irvine, CA office requires expertise in CI/CD, secure software practices, and mentoring junior engineers to uphold

Qualifications

5+ years of software engineering or test automation experience.
Proficiency in Java and Python for automation scripting.
Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, HTTP/S).
Experience with mobile testing tools (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.

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.