Core Test Engineer: Cloud QA for Earth Data Systems

Stcnet; Silver Spring (MD); On-site; USD 80,000 - 105,000; Full time

Benefits offered by this job

Health

Dental

Vision

FSA

Life Insurance

Disability

401K (matching)

Tuition reimbursement

Bonus programs

Job summary

STC is seeking a Core Test Engineer to ensure quality, reliability, and operational readiness of the Consolidated Cumulus Core system. You will drive rigorous verification and validation across diverse data ingestion workflows, partnering with developers to test code before integration into mission-critical pipelines.

The role emphasizes automated testing for cloud-based and microservice architectures, with hands-on AWS and CI/CD experience.

Qualifications

• Experience in software quality assurance with a focus on automated testing for cloud-based or microservice architectures.
• Strong scripting skills in Node.js or Python for developing automated test scripts and harnesses.
• Hands-on experience with AWS services (Lambda, Step Functions, S3) and cloud-native monitoring tools (CloudWatch).
• Experience integrating automated tests into CI/CD pipelines (GitHub Actions, Bamboo, or Jenkins).
• Proven ability to perform root cause analysis and simulate complex failure modes in distributed systems.

Responsibilities

• Design, implement, and maintain automated test suites (unit, integration, and end-to-end) for Cumulus Core code.
• Verify that Cumulus releases are operationally sound and scalable under high-throughput loads.
• Manage a robust regression library to protect existing functionality.
• Ensure code aligns with system standards and security requirements.
• Collaborate with Core Developers to validate code runs across the system.
• Develop test cases for diverse user scenarios including edge cases.
• Support Tier-2 resolution with test logs to triage failures.
• Identify, document, and track defects; verify fixes with Core Developers.
• Partner with the UX Test Engineer to validate multi-step user flows.

Skills

Automated testing

CI/CD experience

Distributed systems debugging

Cloud-based testing

Education

Bachelor's Degree

Tools

Node.js

Python

AWS (Lambda, Step Functions, S3)

CloudWatch

GitHub Actions

Jenkins

Bamboo

Job description

STC is seeking a Core Test Engineer to ensure quality, reliability, and operational readiness of the Consolidated Cumulus Core system. You will drive rigorous verification and validation across diverse data ingestion workflows, partnering with developers to test code before integration into mission-critical pipelines.

The role emphasizes automated testing for cloud-based and microservice architectures, with hands-on AWS and CI/CD experience.