Cloud Test Engineer

Remote, USA
Posted Jun 12, 2026
Full-time

What we do:
Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:
Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we'll work a plan to meet your needs.

The Role:

Halcyon’s mission is to deliver an anti-ransomware solution that redefines what a security product can achieve. To support this vision, we are seeking an experienced Cloud Test Engineer to strengthen our test automation, chaos engineering, and quality initiatives across Halcyon’s cloud platform—including APIs, UI, and backend components.

In this role, you’ll collaborate with the broader development organization and the chaos engineering team to ensure our code consistently meets the highest quality standards. Your work will directly enable Halcyon’s product to perform reliably across diverse scenarios, helping protect our customers from ransomware threats.


Responsibilities:


  • Design, implement, and enhance Halcyon’s internal cloud API automation framework

    Develop scalable automated test suites aligned with new feature development

    Create clear, concise bug reports and technical documentation

    Build and enhance performance testing tools for cloud services

    Design and maintain utilities that expand test coverage and validation

    Set up, manage, and optimize test environments for cloud-based applications

    Configure, manage, and tune security scanning tools

    Contribute to and uphold coding style and quality guidelines



Skills and Qualifications:


  • 3+ years of relevant experience as a Cloud Test Engineer, QA/Automation Engineer, or similar role

  • Proficiency in Python development

    Experience with AWS services in support of cloud-based applications

    Hands-on experience with cloud technologies such as Docker, Kubernetes, and VMware

    Understanding of microservices architecture and concepts

    Knowledge of web API endpoints, including authentication, usage, and load testing

    Familiarity with protocols and formats such as JSON, Protobuf, and gRPC

    Strong communication skills, including documentation and reporting

    Ability to work independently while collaborating effectively as part of a team

    Ability to thrive in a dynamic, high-growth start-up environment where collaboration and innovation are valued



Bonus Skills and Qualifications:


  • Strong knowledge of PyTest framework concepts (parameterization, fixtures, decorators)

    Familiarity with additional programming languages such as Scala or JScript

    Experience developing automated tests for Linux applications

    Hands-on experience with GitHub Actions or similar CI/CD pipelines

    Understanding of web application security principles and best practices

    Knowledge of AWS infrastructure security best practices

    Familiarity with Docker/Kubernetes security best practices

    Experience with security tools such as SAST, DAST, SCA, or IaC scanners

    Benefits:

    Halcyon offers the following benefits to eligible employees:

    Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.

    Short and long-term disability coverage, basic life and AD&D insurance plans.

    Medical and dependent care FSA options.

    401k plan with a generous employer contribution.

    Flexible PTO policy.

    Parental leave.

    Generous equity offering.

    The Company reserves the right to modify or change these benefits programs at any time, with or without notice.​

    Base Salary Range: $135,000 - 170,000

    In accordance with applicable state and federal laws, the range provided is Halcyon’s reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and equity in the Company.

    We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to develop the exceptional product we are building. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity employer.

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