SDET (TESTER ) .Net Developer

The role

This person will own end-to-end quality across Discovery, Inventory, and Graph capabilities. They will build and maintain automation, manage on-premises and cloud infrastructure, and build CI/CD pipelines.

What you will do

• Own the end-to-end test automation strategy across Discovery, Inventory, and Graph teams.
• Design, build, and maintain automated test suites using C#/.NET, NUnit, xUnit, NSubstitute, FluentAssertions, Playwright, and PowerShell.
• Own and manage on-premises and cloud infrastructure supporting Discovery data ingestion.
• Keep test environments representative of real-world hybrid customer environments.
• Build and maintain CI/CD pipelines using Azure DevOps.
• Help enforce 100% line and branch coverage requirements.
• Apply Infrastructure as Code (IaC) practices using Terraform.
• Instrument and monitor test and infrastructure environments using OpenTelemetry and Datadog.
• Identify and address performance regressions and infrastructure failures.
• Contribute to architecture, design, and development as a member of a sprint team.

Required qualifications

• 5–8+ years of experience in software quality engineering, test automation, or a related engineering role.
• Strong hands-on coding experience with C#/.NET.
• Ability to work with JavaScript/TypeScript, PowerShell, Go, and Python.
• Proven experience designing and maintaining automated test frameworks using NUnit, xUnit, NSubstitute, FluentAssertions, or Playwright.
• Experience with UI, API, and integration testing.
• Experience managing infrastructure across hybrid environments including Windows/Linux servers, Networking, Virtualization, Azure, AWS, GCP, and Okta.
• Experience building and maintaining CI/CD pipelines with Azure DevOps.
• Strong DevOps and continuous testing experience.
• Experience testing systems involving REST APIs, gRPC, Message queues, and Microservices.
• Strong hands-on experience with Terraform.
• Experience with Docker and Kubernetes, including Helm and managed Kubernetes services such as AKS.
• Strong understanding of NoSQL/document databases, such as Cosmos DB.

Nice to have

• Experience with Datadog or similar APM/observability tools and OpenTelemetry.
• Background in identity, security, or discovery-oriented products.
• Familiarity with graph databases and query languages, such as Gremlin/TinkerPop and JanusGraph.
• Exposure to Elasticsearch or other search/indexing technologies.
• Ability to identify systemic gaps across multiple teams and drive automation and tooling.
• Passion for writing high-quality code and improving testing practices and infrastructure reliability.
• Strong communication and collaboration skills.
• Ability to work across teams and align competing priorities.

Benefits

• Competitive salaries
• Meaningful bonus program
• Healthcare insurance
• Pension/retirement matching
• Comprehensive life insurance
• Employee assistance program
• Time off plans
• Paid company holidays

Before you apply

• Candidates are required to complete comprehensive criminal background check
• Verification of education
• Verification of employment
• Publicly posted social media sites may be reviewed

About the company

Delinea is the identity security platform that continuously controls what AI agents, humans and machines can do and for how long. It extends privileged access management from the point of access to the moment of action.