Back to jobs
New

Senior Quality Assurance Engineer - Cloud & Data Platforms

Houston, Texas, United States

ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers. 

ROLE SUMMARY

We're looking for a Senior QA Engineer to validate our AWS cloud infrastructure, data platforms and operational tooling. You'll make sure that access controls, deployments, pipelines, security fixes and data products work correctly, securely and reliably before they reach production. You'll work closely with the DevOps, Cyber Security, Data Engineering and Data Science teams in a multi-account AWS environment.

 

KEY RESPONSIBILITIES 

  • 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.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf

Select...

U.S. Standard Demographic Questions

We invite applicants to share their demographic background. If you choose to complete this survey, your responses may be used to identify areas of improvement in our hiring process.
Select...
Select...
Select...
Select...
Select...
Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in ON.energy’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Select...
Select...
Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...