Senior Software Development Engineer in Test (SDET)

MISO is hiring a Senior Software Development Engineer in Test (SDET) in Carmel, Indiana. You will be responsible for designing, developing, and maintaining robust, scalable test automation frameworks that ensure the quality and reliability of our mission-critical systems. You will integrate automated testing into CI/CD pipelines, optimize execution efficiency, and expand automation coverage across both vendor and in-house applications. You'll also collaborate with Product Owners, Software Engineering, Application Support, and Business teams to align testing strategies with delivery goals, lead automation initiatives, and mentor junior team members to elevate team capability. The ideal candidate is a curious and innovative problem-solver who takes ownership of their work, communicates and collaborates effectively, and demonstrates broad technical proficiency with the ability to quickly learn and adapt.

Responsibilities as our Senior Software Development Engineer in Test (SDET) will include:

• Develop and maintain scalable test automation frameworks for UI, API, integration, and end-to-end testing.
• Integrate automated tests into CI/CD pipelines for continuous quality validation.
• Manage cloud-native test environments using Kubernetes (Rancher) and Azure services.
• Define and enforce test strategies, standards, and best practices in alignment with QA objectives.
• Analyze and report test results to ensure timely defect identification and resolution.
• Collaborate with stakeholders to optimize automation tooling and processes.
• Mentor junior engineers, fostering skill growth and adoption of best practices.
• Drive continuous improvement in test automation efficiency and reliability.

To be successful as our Senior Software Development Engineer in Test (SDET) some of the technical skills we are looking for include:

• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering required.
• 4 years of relevant work experience.
• Strong proficiency in Python or Java for automation scripting.
• Experience with BDD frameworks (e.g., Behave, Cucumber).
• Hands-on experience integrating automated tests into CI/CD pipelines (GitHub Actions, Azure DevOps).
• Familiarity with Docker and Kubernetes (Rancher) for containerized testing.
• Scripting experience with Bash or PowerShell.
• Experience with test case management tools (IBM ETM, Jira).
• Experience with enterprise test automation tools such as Mabl (preferred) Tosca, or Harness.
• Preferred Certifications:
  • ISTQB Certified Tester - Test Automation Engineer
  • Microsoft Certified: Azure Fundamentals (AZ-900)
  • Microsoft Certified: Azure DevOps Engineer Expert (AZ-400)

Appropriate level will be determined based upon experience and knowledge.

Transformative innovation is happening in the electric industry, from digitalizing homes and distributed resources to renewable energy and an ever-changing grid. MISO manages the electricity superhighway in the Central U.S. and through use of groundbreaking research and advanced technology, our highly skilled employees ensure power flows reliably to 45 million Americans. Operating the electricity grid, running a robust energy market, planning for a bright future - it's what our immensely hardworking and dedicated team does every day.

The base salary compensation range being offered for this role is $140,000 - $165,000 USD annually. Base salary range for this position is included in accordance with requirements of various state/local pay transparency legislation. Please note that salaries may vary for different individuals in the same role based on several factors, including but not limited to location of the role, individual competencies, education/professional certifications, and qualifications/experience.

Position is also eligible for an annual bonus if individual performance and company objectives are met. At MISO we offer a comprehensive benefits package, including 401k, vacation, sick and safe time, available on your first day of employment.

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