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167 senior test engineer jobs at 85 companies in Missouri

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Test Engineer
High Ridge, Missouri, United States
OnsiteFull Time
The H-J Family of Companies
The H-J Family of Companies: Manufactures and supplies electrical components for global power distribution systems.
5+ YOEBachelor's in engineering and 5+ years testing/calibration experience with high-voltage electrical measurement systems, ISO 17025 compliance, test method development, and technical reporting.
Solidworks
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Test Engineer
High Ridge, Missouri, United States
OnsiteFull Time
H-J Family of Companies
H-J Family of Companies: A global designer and manufacturer of products for the transformer and switchgear industries focused on innovation, quality, and employee development.
5+ YOEBachelor's in Mechanical or Electrical Engineering and 5+ years testing/calibration experience with high-voltage electrical measurement systems; ISO 17025 experience; ability to develop procedures and ensure compliance.
Solidworks
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2mo
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Test Engineer
Independence, Missouri, United States
OnsiteFull Time
Progress Rail
Progress RailNYSE: CAT: Supplies locomotives and infrastructure products to the railroad industry.
5+ YOE5+ years testing embedded systems; BS in CS/CE/EE; proficiency in C, C++, Python, LabView/LabWindows CVI; experience with Jira, GIT, unit and automated testing; strong debugging and communication skills.
C, C++, Python, National Instruments LabView, LabWindows CVI, Jira, GIT, QNX, Windows
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1mo
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Test & Evaluation Engineer (Experienced or Senior)
Berkeley, Missouri, United States
$104k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOEBachelor's in engineering (or equivalent), 10+ years structural/mechanical/flight test experience, 5+ years leading test design, 5+ years with 3D design tools, hydraulic systems experience, active U.S. Secret security clearance required.
Siemens NX, SolidWorks, CATIA
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1mo
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Test & Evaluation Engineer (Experienced or Senior)
Berkeley, Missouri, United States
$104k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEBachelor's degree in engineering or related field, 10+ years structural/mechanical/flight testing, 5+ years 3D design (Siemens NX/SolidWorks/CATIA), 5+ years leading test design, 5+ years hydraulic/control systems, active U.S. Secret security clearance and U.S. Person required.
Siemens NX, SolidWorks, CATIA, accelerometers, strain gages, thermocouples, load cells, LVDT/Temposonic devices
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Sr Optical Test Engineer (4775)
Kansas City, Missouri, United States
OnsiteFull Time
Honeywell Federal Manufacturing & Technologies
Honeywell Federal Manufacturing & TechnologiesNASDAQ: HON: Manages and operates the Kansas City National Security Campus.
6+ YOEBachelor's in engineering or physics, 6+ years engineering experience, U.S. citizenship, ability to obtain DOE security clearance, travel up to 15%, test development and circuit design experience.
Luceda, Lumerical, Synopsys, C#, VB.NET, MATLAB
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Lead Test Engineer
Suitland or Alabama or Arkansas or Arizona or Colorado or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Maryland or Massachusetts or Maine or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Jersey or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$104k-$160k/yr HybridFull Time
Dev Technology Group
Dev Technology Group: Provides information technology services to federal government agencies.
10+ YOEBachelor's in CS/SE/IT, 10+ years experience, U.S. citizenship required. Must have automated testing and system/integration testing experience, test data and defect management, and reporting/visualization skills.
CI/CD, DevSecOps
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Senior Test Automation Engineer
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood or United States
RemoteFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOERequires 3+ years of QA/software testing experience, including 2+ years in test automation, with Playwright, Selenium, Git/Jenkins, REST APIs, HTTP, and automated test code experience.
Playwright, Karate Test, Selenium, Cucumber, JMeter, Appium, Git, Jenkins, REST API, HTTP, SQL, PLSQL, Postman
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High Voltage Test Engineer
Earth City or Crystal Springs or Nashville or Raleigh or Santa Fe Springs or South Boston
$106k-$159k/yr RemoteFull Time
Hitachi Energy
Hitachi Energy: Provider of electrical power grid technologies and energy systems.
5+ YOEBachelor's degree in engineering or related field with 5+ years' experience, or 10+ years of transformer experience; knowledge of IEEE, IEC, and NEMA; Microsoft Office 365 proficiency; US work authorization and willingness to travel.
Microsoft Office 365, IEEE, IEC, NEMA
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2mo
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Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Design, develop, test, and maintain software; strong Java/Spring, cloud, CI/CD, security, and mentoring.
Java, Spring Boot, Spring Security, Maven, Hibernate/JPA, REST, SQL Server, NUnit/JUnit, Splunk, PCF, AWS, CI/CD, Jenkins, XLR, Sonar, Clover
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1w
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Test & Commissioning Specialist
Edgerton or Topeka or Overland Park or Kansas City or Gardner or Spring Hill or Lenexa or Kansas City or Wellsville or Olathe or Pennsylvania or North Carolina or South Carolina or Virginia or Georgia or Texas or Florida or Iowa or Wyoming or United States
FieldFull Time
MasTec
MasTecNew York Stock Exchange: MTZ: Builds and maintains energy, communications, and utility infrastructure.
5+ YOEBachelor's degree and 5+ years in testing and commissioning, preferably in mission-critical data centers. Requires systems knowledge, drawing interpretation, scheduling software, Microsoft Office, and U.S. travel.
PLCs, DCS, P6, Microsoft Project, Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft Outlook
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1mo
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
CarePortal
CarePortal: Technology platform connecting communities to support children in crisis.
Proven production software experience in object-oriented languages (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test-first discipline (unit/integration), discovery participation, and strong written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD, REST API, AI tools
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1mo
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
CarePortal
CarePortal: Connects children and families in crisis with local support.
Production experience in an object‑oriented language (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test‑first development (PHPUnit/Pest/Dusk), reading unfamiliar codebases, product discovery involvement, and clear written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD
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Senior Systems Integration Engineer
Westborough or Chesterfield
$100k-$150k/yr RemoteFull Time
LG Energy Solution Michigan
LG Energy Solution Michigan: Manufactures lithium-ion batteries for electric vehicles and energy storage.
5+ YOEBachelor's in CS/EE or equivalent, 5+ years integration and controls testing, Python/Bash/Linux experience, networking and SCADA/DNP3/Modbus familiarity, PLC and test automation experience.
AEROS, Python, Bash, Linux, SCADA, DNP3, Modbus TCP/IP, PLC, Subversion, GitHub, JIRA
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1mo
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Principal/Sr Principal Systems Test Conductor
Whiteman Air Force Base, Missouri, United States
$85k-$159k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEAbility to plan and conduct aircraft system tests, interpret schematics, troubleshoot anomalies, create test procedures, traverse flightline/hangar environments, and obtain/maintain U.S. Secret clearance; STEM degree with relevant experience (5+ years for Principal, 8+ for Sr. Principal).
OGP (On Board Test System Ground Processor), Microsoft Office
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2mo
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Senior Software Engineer - News Engineering (Elasticsearch)
New York or St. Louis
$114k-$190k/yr HybridFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
Strong experience with Java and Python on Linux; real-time systems; IP-based protocols; unit testing; Elasticsearch; cloud infrastructure; container orchestration; strong problem-solving and independent communication.
Java, Python, Linux, Elasticsearch, Kubernetes, Terraform, GitLab CI/CD, GitHub Copilot
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1mo
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Senior SIT Engineer (Firmware & Hardware) (St. Louis, MO, US, 63146)
St. Louis, Missouri, United States
OnsiteFull Time
Hubbell
HubbellNYSE: HUBB: Designs and manufactures electrical products and utility infrastructure solutions.
5+ YOEBachelor's in CS/Engineering, 5+ years system integration testing experience with firmware and hardware, strong embedded systems and SDLC knowledge, Agile/DevOps experience, and strong analytical and communication skills.
JMeter, SOAPUI, Kafka, Grafana, RabbitMQ, C#, Python, JavaScript, XML, Oracle 19c, Oracle 12c, Oracle 11g, MS SQL Server, PL/SQL, T-SQL, Microsoft Azure, Windows Server
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1w
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Lead, Senior or Experienced Electronic Systems Design, Integration, Analysis, and Test Engineers **Sign on Bonus Potential**
Berkeley or Saint Charles or Hazelwood or Mascoutah
$112k-$185k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures commercial airplanes, defense systems, and space technology.
5+ YOEBachelor's in engineering or related field, ability to obtain U.S. security clearance (Secret/Top-Secret) and U.S. citizenship, 5+ years experience for senior roles, aerospace experience preferred, ability to relocate to St. Louis region.
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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2mo
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Systems Engineer
King of Prussia or Springfield or St Louis
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
6+ YOEMust hold Top Secret clearance and be willing to upgrade to TS/SCI with poly; BS in engineering or related science; 8 yrs systems engineering experience with BS (or 6 yrs with MS); experience with sensor imaging, test design, requirements, and strong written/oral communication.
National System for Geospatial-Intelligence (NSG), RADAR, LIDAR, OPIR, EO/IR, SAR, multispectral, hyperspectral
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