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Sr Test Automation Engineer Jobs in Stevenson Ranch, CA

... Senior DeltaV/DCS Automation Engineer - Bioprocess Manufacturing Support for a consulting ... Design and test of automated process equipment. Support new product and technology introductions by ...

... Senior DeltaV/DCS Automation Engineer - Bioprocess Manufacturing Support for a consulting ... Design and test of automated process equipment. Support new product and technology introductions by ...

Sr. Test Engineer, HITL

Los Angeles, CA · On-site

$123K - $160K/yr

About the Role As a Senior Test Engineer, HITL, you will work across our full product line, from ... Strong programming skills in C/C++, Python, or similar languages used for test automation and ...

Purpose The Automation Engineer supports the daily operations across all of our Robotic Work ... Senior Engineer / E05: $141,380 - $194,390 Pay Range $122,430--$194,390 USD What We Offer:

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Sr Test Automation Engineer information

See Stevenson Ranch, CA salary details

$10

$52

$76

How much do sr test automation engineer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for sr test automation engineer in Stevenson Ranch, CA is $52.08, according to ZipRecruiter salary data. Most workers in this role earn between $44.90 and $59.33 per hour, depending on experience, location, and employer.

What is a Sr Test Automation Engineer?

Sr Test Automation Engineers are experienced professionals responsible for designing, developing, and maintaining automated testing frameworks and scripts to ensure the quality of software applications. They lead efforts to automate repetitive testing tasks, analyze test results, and collaborate with developers and QA teams to identify and resolve software defects. Their role often includes mentoring junior team members, selecting appropriate test tools, and contributing to continuous integration and deployment processes. With their advanced technical skills and understanding of software development lifecycles, Sr Test Automation Engineers play a critical role in delivering reliable and high-quality software products.

What are the key skills and qualifications needed to thrive as a Sr Test Automation Engineer?

To thrive as a Sr Test Automation Engineer, you need expertise in software testing methodologies, proficiency in programming languages such as Java or Python, and a strong understanding of automation frameworks, typically backed by a relevant degree or certifications. Familiarity with tools like Selenium, Jenkins, Git, and test management systems is essential for designing and executing automated test suites. Critical thinking, problem-solving abilities, and effective communication are standout soft skills that help in troubleshooting and collaborating across teams. These skills and qualities are crucial for ensuring software quality, improving efficiency, and accelerating the delivery of reliable applications.

How does a Sr Test Automation Engineer typically collaborate with developers and other QA team members on a project?

As a Sr Test Automation Engineer, collaboration is a key part of the role. You will regularly work with software developers to understand application requirements, clarify acceptance criteria, and ensure that automated tests are aligned with development goals. Additionally, you’ll partner closely with other QA engineers to design shared test frameworks, conduct code reviews, and coordinate on test coverage. Strong communication and teamwork are essential, as you’ll often participate in sprint planning meetings, daily stand-ups, and defect triage sessions to maintain high software quality throughout the development cycle.

What is the difference between Sr Test Automation Engineer vs Test Automation Engineer?

CriteriaSr Test Automation EngineerTest Automation Engineer
Required CredentialsBachelor's degree in CS or related field; experience in automation toolsBachelor's degree in CS or related field; some experience in automation tools
Work EnvironmentSenior-level projects, mentoring, complex automation tasksEntry to mid-level automation tasks, assisting in testing
Employer & Industry UsageTech companies, software firms, QA teamsStartups, small to medium enterprises, QA teams

The main difference between a Sr Test Automation Engineer and a Test Automation Engineer lies in experience, project complexity, and responsibilities. The senior role involves leading automation efforts, mentoring juniors, and handling complex test scenarios, while the standard role focuses on executing automation tasks and supporting testing processes.

What job categories do people searching Sr Test Automation Engineer jobs in Stevenson Ranch, CA look for?

The top searched job categories for Sr Test Automation Engineer jobs in Stevenson Ranch, CA are:

What cities near Stevenson Ranch, CA are hiring for Sr Test Automation Engineer jobs?

Cities near Stevenson Ranch, CA with the most Sr Test Automation Engineer job openings:

Infographic showing various Sr Test Automation Engineer job openings in Stevenson Ranch, CA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $108,327 per year, or $52.1 per hour.

Automation Engineer

3 Key Consulting

Newbury Park, CA • On-site

$40 - $46/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

Automation Engineer (DCS/DeltaV) - Bioprocess Manufacturing SupportLocation: Thousand Oaks, CA. 91320 Employment Type: Contract Duration: 1+ year (with likely extensions and/or conversion to permanent) Pay Rate: $40 - $46/hour W2 with benefits Notes: Only qualified candidates need apply. Monday - Friday - 8am - 5:00pm. Must be willing to be on call - After hours support once every 6 weeks (Manufacturing calls that come in, resolve any issues that come up) - 1 call per week (call is 2 hours)3 Key Consulting is hiring a Senior DeltaV/DCS Automation Engineer – Bioprocess Manufacturing Support for a consulting engagement with our direct client, a leading global biopharmaceutical company.

Job Description:

Our client is seeking an External Automation Engineer based in Thousand Oaks, California to augment their MCS F&E Automation team. This role will support ongoing biological processes by updating, maintaining, and improving DeltaV automation systems, and providing critical site support. The successful candidate must exhibit sound analytical thinking and problem-solving skills, exemplary communication and collaboration, and operational excellence. A proven ability to work in cross-functional teams is critical for this role.

Why is the Position Open? Supplement additional workload on teamTop Must Have Skills: Strong control system automation background in design, installation, programming, and validation of automated processes.

Ability to read and follow electrical and P&ID drawings.

Must be independent, self-motivated, organized, and able to multi-task.

Day to Day Responsibilities: Develop and support process control applications via Distributed Control Systems (DCS), Human Machine Interfaces (HMI), Supervisory Control and Data Acquisition systems (SCADA), and Programmable Logic Controllers (PLC).Collaborate with scientific and operational staff to help translate process requirements into automation and engineering design.

Participate in technical root cause analysis, incident investigations, and troubleshooting on process control issues related to instrumentation and control systems. Design and test of automated process equipment. Support new product and technology introductions by performing engineering assessments, implementing automation system configuration changes, and supporting engineering runs.

Support capital projects by applying advanced automation engineering principles in the design, specification, configuration, startup, and commissioning of process equipment and systems for capital projects of significant scope and complexity. Demonstrated understanding of project life cycles is preferred. Candidate should be familiar with engineering processes from initial conceptualization through project turnover to operations. Development of detailed specification, engineering documents, SOPs, and operating standards.

Basic Qualifications:

Master degree OR Bachelor degree and 2 years of experience OR Associate degree and 6 years of experience OR High school diploma / GED and 8 years of experience Preferred Qualifications:

Education:

B.S or M.S. in Chemical Engineering, Biotech, Electrical Engineering, Computer Science, or related technical field that reviews automation or engineering control.

Working knowledge on networking and virtual server architectureStrong control system automation background in design, installation, programming, and validation of automated processes.

Working knowledge of manufacturing IT networks and network communication (TCP/IP, Profibus, Ethernet, wireless, fieldbus, WAGO IO, etc.)Ability to read and follow electrical and P&ID drawings.

Direct experience with bioprocess unit operations such as bioreactors, chromatography, filtration, et cetera.

Strong communication/presentation skills especially with engineering documentation.

Must have knowledge level to independently coordinate with vendors to renew serviceMust be independent, self-motivated, organized, and able to multi-task.

Engineering experience- from college grad to 2 yearsMust be willing to be on callRed Flags: Inability to discuss skills listed on their resume during the job interviewMultiple short contractsInterview process: Virtual interview with managerVirtual interview with team members nextWe invite qualified candidates to send your resume to resumes@3keyconsulting.com.