SDET jobs in United States
Explore 254 matching jobs.
Senior Software Engineer, Design in Test (SDET)
BlackSky
Posted: 10/19/2026Distributed SystemsPythonRayC++Go
Systems Integration and Test Engineer
Leidos
Posted: 10/19/2026Distributed SystemsDockerLinuxSeleniumUnix
Senior Systems Integration – Test Engineer
Leidos
Posted: 10/19/2026DockerLinuxMicroservicesPythonSeleniumShell ScriptingUnix
System Integration and Test Engineer
Leidos
Posted: 10/19/2026Lead Systems Integration – Test Engineer
Leidos
Posted: 10/19/2026DockerLinuxMicroservicesSeleniumUnix
Lead System Integration and Test Engineer
Leidos
Posted: 10/19/2026Automation Test Engineer
SAIC
Posted: 10/19/2026JavaScriptLinuxNode.jsPythonSeleniumShell ScriptingSOAPSQLTypeScript+1 more
Senior Software Development Engineer in Test
B5 Recruiting
Posted: 10/19/2026AndroidiOSIoTJavaScriptJestReactReact NativeSDLCTypeScript
Optical Transceiver Test Engineer
Supermicro
Posted: 10/19/2026AssemblyPython
Senior SDET, Release Integration Testing
Cerebras
Posted: 10/19/2026CloudDistributed SystemsKubernetesPythonGo
Senior Electronic Test Engineer
Acuity
Posted: 10/19/2026ERP
RF Test Engineer III, Clearance Required
Sierra Space
Posted: 10/19/2026Python
Electrical Test Automation Engineer
Mercor
Posted: 10/18/2026PythonC++
Test Automation Engineer
Regions Bank
Posted: 10/16/2026Cyber SecurityDockerJavaSOAP
Senior SDET, MARVEL SNAP
Second Dinner
Posted: 10/16/2026Jenkins.NET
Senior AI & Automation Architect
Thrive
Posted: 10/16/2026AzureCloudPythonSQL
Senior Engineer – Software Test
Fresenius Kabi USA
Posted: 10/15/2026ASP.NETLinuxPythonSeleniumSQLVMware.NET
Electrical Hardware Integration, Test Engineer
Hewlett Packard Enterprise
Posted: 10/15/2026AssemblyLinux
Electrical Hardware Integration – Test Engineer
Hewlett Packard Enterprise
Posted: 10/15/2026AssemblyLinux
Electrical Hardware Integration – Test Engineer
Hewlett Packard Enterprise
Posted: 10/15/2026AssemblyLinux
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates strong expertise in designing and developing automated test frameworks using Python, with a focus on API and UI testing. Proficient in troubleshooting and validating software across distributed systems while ensuring compliance with ITAR requirements.
Highest-signal resume keywords
Python ProficiencyAutomated API TestingAutomated UI TestingCI/CD IntegrationTroubleshooting Skills
Tech Stack
Tools & technologiesDistributed SystemsPythonRayC++Go
About the role
Key responsibilities & impact- Design, develop, and maintain automated test frameworks and tools using Python across services, APIs, and UI workflows
- Build Python or Go-based simulators, mocks, and emulators for third-party environments, network behavior, and integration scenarios
- Develop, maintain, and execute automated API test suites using Python Requests, custom harnesses, and Postman/Newman when appropriate
- Build and maintain automated UI test suites using Python Playwright with reusable components, selectors, and page-object patterns
- Monitor nightly automated test runs and analyze failures using Jira/X-Ray, Slack, and CI/CD integrations
- Troubleshoot APIs, backend services, and UI workflows; isolate root causes and verify fixes with developers
- Perform targeted manual testing for new features, complex regression scenarios, and defect reproduction
- Validate functional behavior, edge cases, and workflows across distributed application components
- Document test frameworks, automation patterns, test cases, expected outcomes, and defect reproduction steps
- Support internal Python-based test applications, tools, and services
- Ensure adequate coverage for new features, releases, and high-risk areas
- Improve automation tooling, coding standards, and test strategy
- Assist with build readiness for deployment and release
- Perform other job-related duties as assigned
Requirements
What you’ll need- Minimum of six (6) years of experience as a Software Test Engineer, Automation Engineer, or SDET, with significant hands-on software development responsibilities
- Bachelor's degree in relevant field of study or equivalent additional experience of four years
- Strong proficiency in Python, including writing reusable modules, building automation frameworks, and creating test harnesses or tools
- Experience developing automated API tests using Python Requests or equivalent frameworks
- Experience designing and maintaining automated UI tests; Python Playwright preferred
- Experience building Python-based utilities, simulators, mocks, or environment emulators
- Familiarity with reporting test results and integrating automation with Jira/XRay, Slack, or similar tools
- Ability to analyze automated test results, identify root causes across services and layers, and validate fixes in collaboration with developers
- Working knowledge of CI-based automated test pipelines, nightly execution workflows, and test orchestration
- Understanding of distributed systems, API-driven architectures, and service interactions
- Strong troubleshooting and debugging skills across API, backend services, and UI application layers
- Ability to document test plans, automation approaches, and defect reports with clarity and precision
- US citizenship required due to program requirements
- For ITAR compliance, must be a U.S. citizen, lawful permanent resident of the U.S., protected individual, or eligible to obtain required U.S. Department of State authorizations
- Preferred: experience testing and verifying embedded software; hardware maintenance for embedded software testing; C/C++; debugging C/C++ and fault analysis; CI/CD systems; infrastructure as code; QEMU; device emulation; Buildroot; Yocto
Benefits
Comp & perks- Medical, dental, vision, disability, group term life and AD&D, voluntary life and AD&D insurance
- BlackSky pays 100% of employee-only premiums for medical, dental and vision and contributes $100/month for out-of-pocket expenses
- 15 days of PTO
- 11 Company holidays
- Four Floating Holidays
- One day of paid volunteerism leave per year
- Parental leave
- 401(k) pre-tax and Roth deferral options with employer match
- Flexible Spending Accounts
- Employee Stock Purchase Program
- Employee Assistance and Travel Assistance Programs
- Employer matching donations
- Professional development
- Choice of Mac or PC
- Awesome swag
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Automated Test FrameworksPython RequestsPython PlaywrightTest Harness DevelopmentSimulators and MocksDebugging SkillsTest DocumentationAutomation PatternsDefect ReproductionDistributed Systems Understanding
Soft Skills
Analytical SkillsCollaborationAttention to DetailClear Communication
Tools & Technologies
JiraX-RaySlackPostmanNewmanCI/CD SystemsQEMUBuildrootYocto
Industry Keywords
ITAR ComplianceSoftware Development Engineer in Test (SDET)Embedded Software TestingFault Analysis
