Top 60 quality engineer Jobs in o'fallon, mo

Software Development Engineer in Test (SDET) II
Mastercard —O'Fallon, MO
- $92,000 - $147,000 a year
- Online Application
- Hybrid work
- Computer science
- Computer Science
- Mid-level
- Paid jury duty
- Health savings account
Quality Inspector II
Leonardo DRS —Bridgeton, MO
- $41,011 - $53,315 a year
- Full-time
- Mid-level
- High school diploma or GED
- 2 years
- Paid parental leave
- Health savings account
Quality Inspector I
Leonardo DRS —Bridgeton, MO
- $35,249 - $44,062 a year
- Full-time
- High school diploma or GED
- Mechanical knowledge
- Entry level
- Paid parental leave
- Health savings account
7d
Quality Inspector II
Leonardo DRS —Hazelwood, MO
- $41,011 - $53,315 a year
- Full-time
- Mid-level
- High school diploma or GED
- 2 years
- Paid parental leave
- Health savings account
4d
Associate QA Software Validation Engineer
bioMérieux —Hazelwood, MO
- $70,000 - $94,500 a year
- Microsoft Excel
- Microsoft Outlook
- Computer Science
- Commuter assistance
- Disability insurance
Quick Apply
2nd Shift Quality Lab Technician
Modineer Company —Saint Peters, MO
- $20 - $24 an hour
- Overtime
- Microsoft Excel
- Microsoft Outlook
- High school diploma or GED
Quick Apply
Offer Quality Engineer
Schneider Electric —O'Fallon, MO
- Online Application
- Engineering
- English
- Mid-level
- Dental insurance
- Military leave
Lead, Software Engineer (QE)
Mastercard —O'Fallon, MO
- $140,000 - $231,000 a year
- Online Application
- SQL
- Senior level
- Paid jury duty
- Health savings account
Quality Manager - Software Quality Engineering
Boeing —Berkeley, MO
- $160,650 - $217,350 a year
- Computer Science
- Bachelor of Science
- Engineering
- Health savings account
- Disability insurance
1d
Manager Software Engineering (QA/Automation)
Mastercard —O'Fallon, MO
- $140,000 - $231,000 a year
- Online Application
- Computer science
- Computer Science
- System design
- Paid jury duty
- Health savings account
7h
Lead Software Development Engineer in Test (Lead SDET)
Mastercard —O'Fallon, MO
- $140,000 - $231,000 a year
- Online Application
- Hybrid work
- Computer Science
- Analysis skills
- Mentoring
- Paid jury duty
- Health savings account
Boeing Global Services Experienced Quality Engineer
Boeing —Hazelwood, MO
- $100,300 - $135,700 a year
- Computer Science
- Mid-level
- In-person
- Health savings account
- Disability insurance
18h
Quality Systems Specialist
Boeing —Hazelwood, MO
- $95,200 - $128,800 a year
- Up to 50% travel
- Research
- Continuous improvement
- Health savings account
- Disability insurance
3d
Quality Engineer
Sonaca North America —Saint Charles, MO
- $65,000 - $80,000 a year
- Online Application
- Background check
- Mid-level
- 3 years
- Wellness program
- Paid holidays
Quick Apply
Software Quality Engineer (Mid-Level or Senior)
Boeing —Berkeley, MO
- $103,700 - $165,600 a year
- Computer Science
- Engineering
- Mid-level
- Health savings account
- Disability insurance
2d
Quality Engineering Operational Excellence (OECI) Manager
Radwell International —Saint Charles, MO
- Computer literacy
- Senior level
- Leadership
Manager, Engineering Quality, Air Manufacturing Innovation
Nike —Saint Charles, MO
- Full-time
- 5 years
- Engineering
- Mentoring
6d
Quality Engineer (Mid-level or Senior)
Boeing —Berkeley, MO
- $100,300 - $165,600 a year
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
Quality Engineer (Associate or Experienced)
Boeing —Berkeley, MO
- $83,300 - $135,700 a year
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
3d
Quality Manager
PFI Holdings LLC —Hazelwood, MO
- $80,000 - $89,000 a year
- Full-time
- Management
- 3 years
- Supervising experience
Quick Apply
10d

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Software Development Engineer in Test (SDET) II

Mastercard -
O'Fallon, MO

Apply Now

Job Details

Full-time
$92,000 - $147,000 a year

Benefits

Paid jury duty
Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Tuition reimbursement
Vision insurance
401(k) matching
Gym membership
Bereavement leave
Life insurance

Qualifications

Version control
Feature validation testing
Computer science
Software engineering
Defect resolution root cause analysis
Bachelor's degree in information technology
Computer Science
Bug Tracking (Quality assurance practices)
Software Engineering
IT quality control
Engineering process optimization
Mathematics
Git
Mid-level
Java
Programming languages
Analysis skills
C
Bachelor's degree
System validation
QA/QC
User acceptance testing
Agile software development
Linux
Engineering functional testing
Bachelor's degree in mathematics
Test analysis
Continuous improvement for developers
Bachelor's degree in software engineering
Cross-functional collaboration

Full Job Description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Software Development Engineer in Test (SDET) II

Overview:
Mastercard’s Global Credit Card Authorization team is seeking a Software Development Engineer in Test (SDET) II to help ensure the quality, resilience, and performance of one of the most critical transaction processing platforms in the world. This platform facilitates billions of transactions annually between issuers, acquirers, and service providers across the globe.
In this role, you will apply your software development expertise to design and execute robust testing strategies for complex, high‑throughput systems. You will play a key role in raising engineering standards, strengthening production readiness, and embedding quality throughout the development lifecycle.
This is a hybrid role based in O’Fallon, MO, with an expectation of three days per week onsite.

Role:

Develop comprehensive test plans based on high‑level design and technical documentation.
Design, implement, and execute functional, integration, and User Acceptance Testing (UAT) test cases.
Validate system behavior by analyzing application traces, logs, and metrics to ensure complete test coverage.
Perform root cause analysis to identify, document, and track software defects.
Partner with developers and engineers to remove testing blockers and ensure timely completion of test cycles.
Ensure production readiness by proactively identifying and resolving defects prior to release deployments.
Contribute to continuous improvement of test processes, tools, and quality practices.
Actively participate in agile ceremonies, including story refinement and sprint planning.
Collaborate effectively with cross‑functional teams in a fast‑paced, distributed environment.

All About You:

Experience as a Software Development Engineer in Test (SDET), Quality Assurance or Quality Engineer with previous experience developing and executing functional, integration, and UAT test strategies for complex systems.
Ability to create detailed test plans from high‑level designs and requirements.
Strong understanding of software quality practices, defect management, and test coverage methodologies.
Hands‑on experience working in Linux environments.
Experience with scripting languages, preferably shell scripting.
Proficiency in C/C++ or Java for test development and system validation.
Experience working in a team environment using source control tools, preferably Git.
Strong analytical, critical‑thinking, and attention‑to‑detail skills.
Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly and concisely to both technical and non-technical stakeholders.
Bachelor degree in Computer Science, Software Engineering, Information Technology, Mathematics, or a related field. Equivalent practical experience may also be considered.

This role is not eligible for Mastercard’s work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $92,000 - $147,000 USD

Apply Now

Refine Your Search

quality engineer jobs in o'fallon, mo

Software Development Engineer in Test (SDET) II

Quality Inspector II

Quality Inspector I

Quality Inspector II

Associate QA Software Validation Engineer

2nd Shift Quality Lab Technician

Offer Quality Engineer

Lead, Software Engineer (QE)

Quality Manager - Software Quality Engineering

Manager Software Engineering (QA/Automation)

Lead Software Development Engineer in Test (Lead SDET)

Boeing Global Services Experienced Quality Engineer

Quality Systems Specialist

Quality Engineer

Software Quality Engineer (Mid-Level or Senior)

Quality Engineering Operational Excellence (OECI) Manager

Manager, Engineering Quality, Air Manufacturing Innovation

Quality Engineer (Mid-level or Senior)

Quality Engineer (Associate or Experienced)

Quality Manager

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