Masimo · 6 hours ago
Sr Engineer, Software Automation
Irvine, CA
Full-time
Onsite
Mid, Senior Level
$110K/yr - $130K/yr
7+ years expMasimo is a company focused on quality and performance in healthcare technology, and they are seeking a Senior Engineer, Software Automation. This role involves designing and maintaining automation frameworks for server-client applications, mobile platforms, and cloud services, while collaborating with cross-functional teams to enhance product quality and security.
BiotechnologyHealth CareManufacturingMedical Device
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
Qualification
Required
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
Preferred
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
Company
Masimo
Masimo Corporation, a medical technology company, develops, manufactures, and markets noninvasive patient monitoring products.
1001-5000 employees
H1B Sponsorship
Masimo has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (35)
2024 (22)
2023 (27)
2022 (25)
2021 (24)
2020 (15)
Funding
Current Stage
Public CompanyTotal Funding
$754.95MKey Investors
Politan Capital ManagementRobecoBill & Melinda Gates Foundation
2022-08-15Post Ipo Equity· $750M
2017-08-26Post Ipo Equity
2016-11-11Grant· $4.95M
Leadership Team
Michelle Brennan
Independent Director
Recent News
2025-12-08
Orange County Business Journal
2025-12-07
2025-12-05
Company data provided by crunchbase