SDET (TESTER ) .Net Developer

About Delinea:
Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delinea’s leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle – across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to discover all identities – including workforce, IT administrator, developers, and machines – assign appropriate access levels, detect irregularities, and respond to threats in real-time. With deployment in weeks, not months, 90% fewer resources to manage than the nearest competitor, and a 99.995% uptime, Delinea delivers robust security and operational efficiency without compromise. Learn more about Delinea on , LinkedIn, X, and YouTube.

Join our passionate, global team at Delinea and help us make the world a safer and more secure place. Our success is driven by world-class product leadership, outstanding engineers, and strategic investment from TPG. We value diversity, innovation, and a culture of respect and fairness. If you're ready to push boundaries and challenge the status quo in security, we want to hear from you.

Apply today to help us achieve our mission.

Location: Mexico City, Mexico — Hybrid
Office: Reforma

Position Overview

This position owns end-to-end quality across IVIP's Discovery, Inventory, and Graph capabilities.

Today, each team tests within its own boundaries, across separate repositories and automation and performance pipelines. This role will own the full quality picture, building and maintaining automation that covers the entire pipeline, including test layers that do not yet fully exist for every team.

You will also own the on-premises and cloud infrastructure required for Discovery to ingest data into the system.

What You'll Do

• Own the end-to-end test automation strategy across the Discovery, Inventory, and Graph teams, closing coverage gaps between individual test suites.

• Design, build, and maintain automated test suites using:

  • C#/.NET

  • NUnit

  • xUnit

  • NSubstitute

  • FluentAssertions

  • Playwright

  • PowerShell

• Own and manage on-premises and cloud infrastructure supporting Discovery data ingestion, including:

  • Azure

  • AWS

  • GCP

  • Okta

  • MongoDB Atlas

  • On-premises Active Directory

  • Additional platforms as they are introduced

• Keep test environments representative of real-world hybrid customer environments.

• Build and maintain CI/CD pipelines using Azure DevOps.

• Help enforce the organization's 100% line and branch coverage requirements throughout the SDLC, from PR validation through release gating.

• Apply Infrastructure as Code (IaC) practices using Terraform, including multi-stack environments, private module registries, and PR-gated plan/apply workflows.

• Instrument and monitor test and infrastructure environments using OpenTelemetry and Datadog.

• Identify and address performance regressions and infrastructure failures early.

• Build new automated coverage and end-to-end testing layers where they do not yet exist.

• Contribute as a full member of a Delinea sprint team, participating in architecture, design, and development.

• Promote secure development and testing practices using OWASP principles.

• Contribute to and improve shared testing frameworks, tools, and techniques across Platform teams.

What You'll Need

• 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 additional languages as needed, including:

  • JavaScript/TypeScript

  • PowerShell

  • Go

  • Python

• Proven experience designing and maintaining automated test frameworks using tools such as:

  • NUnit

  • xUnit

  • NSubstitute

  • FluentAssertions

  • Playwright

• Experience with UI, API, and integration testing.

• Experience managing infrastructure across hybrid environments, including:

  • Windows/Linux servers

  • Networking

  • Virtualization

  • Azure

  • AWS

  • GCP

  • Okta

• Experience building and maintaining CI/CD pipelines with Azure DevOps.

• Strong DevOps and continuous testing experience.

• Experience testing systems involving large volumes of data and complex integrations, including:

  • REST APIs

  • gRPC

  • Message queues

  • Microservices

• Strong hands-on experience with Terraform for provisioning and managing cloud infrastructure and test environments at scale.

• Experience with Docker and Kubernetes, including Helm and managed Kubernetes services such as AKS.

• Strong understanding of NoSQL/document databases, such as Cosmos DB.

• Experience validating data integrity across distributed systems.

• Comfortable working with strict quality gates, including 100% line and branch coverage.

• Proficiency with Git and modern version-control workflows.

• Experience with Agile software development methodologies.

We'd Love to See

• 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 the automation and tooling needed to address them.

• Passion for writing high-quality code and continuously improving testing practices and infrastructure reliability.

• Strong communication and collaboration skills.

• Ability to work across teams and align competing priorities.

Why work at Delinea?

• We're passionate problem-solvers helping the world's largest organizations protect what matters most: their human and machine identities.

• We invest in people who are smart, self-motivated, and collaborative.

• What we offer in return is meaningful work, a culture of innovation and great career progression.

At Delinea, our core values are STRONG and guide our behaviors and success:

• Spirited - We bring energy and passion to everything we do

• Trust - We act with integrity and deliver on our commitments

• Respect - We listen, value different perspectives, and work as one team

• Ownership - We take initiative and follow through

• Nimble - We adapt quickly in a fast-changing environment

• Global - We embrace diverse people and ideas to drive better outcomes

We believe weaving these core values into our day-to-day actions, and our process for hiring, evaluating, and promoting employees, helps us cultivate a work environment that embraces collaboration and camaraderie.

We take care of our employees. We offer competitive salaries, a meaningful bonus program, and excellent benefits, including healthcare insurance, as well as pension/retirement matching, comprehensive life insurance, an employee assistance program, time off plans, and paid company holidays.

Delinea is an Equal Opportunity and Affirmative Action employer and prohibits discrimination and harassment of any type with regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Upon conditional offer of employment, candidates are required to complete comprehensive criminal background check, verification of education, and verification of employment, per employment policy. In addition, all publicly posted social media sites may be reviewed.