Senior Quality Assurance Engineer - Cloud & Data Platforms

ON.energy • Houston, TX

2d

About The Position

ON.energy is seeking a Senior QA Engineer to validate its AWS cloud infrastructure, data platforms, and operational tooling. The role ensures that access controls, deployments, pipelines, security fixes, and data products function correctly, securely, and reliably before production release. The engineer will work closely with DevOps, Cyber Security, Data Engineering, and Data Science teams in a multi-account AWS environment.

Requirements

• At least 5 years of experience in QA or test engineering, ideally for cloud infrastructure and data platforms.
• At least 3 years of experience writing Python scripts.
• Hands-on experience with AWS Organizations in a multi-account setup, including IAM and Service Control Policies (SCPs).
• Experience testing workloads on AWS Lambda, ECS on EC2, and ECS on Fargate.
• Working knowledge of AWS Transit Gateway, Site-to-Site VPN, Client VPN, Route 53, AWS WAF, Route 53 DNS Firewall, and AWS Network Firewall.
• Familiarity with GuardDuty, Security Hub, Inspector, Detective, AWS Config, and CloudTrail, including remediation of findings.
• Strong SQL skills with RDS PostgreSQL and Aurora PostgreSQL.
• Experience with Azure DevOps (ADO) Pipelines, Repos, and Boards, or similar tools such as Bitbucket and Jira.
• Experience with monitoring tools and CloudWatch.
• Understanding of tagging strategies and tag enforcement through SCPs.
• Scripting skills in Python, Bash, or PowerShell for test automation, with experience using the AWS CLI or SDK (boto3).
• Strong documentation and communication skills.

Nice To Haves

• Exposure to Infrastructure as Code tools such as Terraform, CloudFormation, or CDK.
• Experience with data testing frameworks.
• Experience with performance testing tools such as JMeter, k6, or Locust.
• Experience validating legacy-to-cloud migrations.
• AWS certification such as Solutions Architect, SysOps Administrator, or Security Specialty.

Responsibilities

• Validate AWS access management, including IAM, SSO, cross-account access, and SCP guardrails.
• Test deployments, configuration changes, and consistency across environments.
• Validate network and firewall changes, including Transit Gateway, VPN, Route 53, and WAF.
• Verify remediation of security findings and retest to confirm closure.
• Validate CI/CD pipeline adoption, quality gates, and rollback.
• Test alerts, alarms, and Grafana dashboards for accuracy and correct routing.
• Perform database checks and performance testing.
• Test data lake and ETL pipelines, including the Data Catalog and Data Quality Dashboard.
• Validate legacy asset management data and track related bugs through resolution.
• Support AWS service upgrades and migration testing as needed.
• Maintain test plans, test cases, reports, and runbooks.

Benefits

• Competitive salary and annual performance-based bonus eligibility for US-based roles.
• Medical, dental, and vision insurance for US-based roles.
• 401(k) with company match for US-based roles.
• Paid time off and company holidays for US-based roles.
• Competitive salary and annual performance bonus eligibility for Mexico-based roles.
• Christmas Bonus (Aguinaldo): 30 days for Mexico-based roles.
• Major medical expenses and life insurance for Mexico-based roles.
• Paid time off and holidays per local policy for Mexico-based roles.
• Professional development and growth opportunities.
• Opportunity to grow with a mission-driven team shaping the future of clean energy. Benefits vary by role and location and are subject to change.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed