Senior Quality Assurance Engineer - Cloud & Data Platforms

• Validate AWS access management (IAM, SSO, cross-account access, SCP guardrails).
• Test deployments, configuration changes and environment consistency.
• Validate network and firewall changes (Transit Gateway, VPN, Route 53, 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 to resolution.
• Support AWS service upgrades and migration testing as needed.
• Maintain test plans, test cases, reports and runbooks.

REQUIRED EXPERIENCE

• 5+ years of experience in QA or test engineering, ideally for cloud infrastructure and data platforms.
• 3+ years of experience in writing Python scripts
• Cloud management: Hands-on experience with AWS Organizations in a multi-account setup, including IAM and Service Control Policies (SCPs).
• Compute: Experience testing workloads on AWS Lambda, ECS on EC2 and ECS on Fargate.
• Networking: Working knowledge of AWS Transit Gateway, Site-to-Site VPN, Client VPN, Route 53, AWS WAF, Route 53 DNS Firewall and AWS Network Firewall.
• Security: Familiarity with GuardDuty, Security Hub, Inspector, Detective, AWS Config and CloudTrail, and how findings are remediated.
• Databases: Strong SQL skills with RDS PostgreSQL and Aurora PostgreSQL.
• CI/CD and tooling: Experience with Azure DevOps (ADO) Pipelines, Repos and Boards, or similar tools such as Bitbucket and Jira.
• Observability: Experience with monitoring tools and CloudWatch.
• FinOps: 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.

PREFERRED EXPERIENCE

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

For US-based roles - What you’ll get

• Competitive salary + annual performance-based bonus eligibility
• Medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and company holidays

For Mexico-based roles - What you’ll get

• Competitive salary + annual performance bonus eligibility
• Christmas Bonus (Aguinaldo): 30 days
• Major medical expenses and life insurance
• Paid time off and holidays (per local policy)

For all roles

• Professional development and growth opportunities
• Opportunity to grow with a mission-driven team shaping the future of clean energy
• Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
• Benefits vary by role and location and are subject to change.

Agency Notice: ON.energy does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.