Onsite Senior Data Modeling QA Engineer

Apex Systems; McLean (VA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

ESPP

401K

HSA

EAP

Job summary

Apex Systems is seeking a Tester Senior for on-site roles in McLean, VA or Plano, TX. This experienced contractor will review data modeling processes, perform structured manual testing of critical workflows, and design a phased plan to automate testing and quality gates in collaboration with data modelers, data engineers, and governance teams.

The role requires 7+ years in data engineering/architecture or QA with strong data modeling testing experience, plus hands-on Java or Python, SQL, and

Qualifications

• 7+ years of experience in data engineering, data architecture, data modeling, QA, or related roles with a strong testing focus.
• Demonstrated experience testing data, metadata, and modeling workflows is required.
• Hands-on development experience with Java or Python, automation testing, AI/ML fluency, and SQL is necessary.
• Familiarity with testing phases, agile methodology, HP ALM/Quality Center, Visio, and Microsoft Office is required.

Responsibilities

• Assess end-to-end data modeling lifecycle processes including intake, design, review, governance and release.
• Evaluate tooling and integrations such as data modeling tools, metadata catalogs, version control, CI/CD, and work management systems.
• Identify gaps, risks, bottlenecks, and control weaknesses and document findings with prioritized recommendations.
• Review alignment to enterprise standards like naming conventions, modeling patterns, and domain boundaries.
• Create and execute manual test plans and test cases for key workflows including model creation, standards validation, and deployment readiness.
• Document test evidence, defects, and remediation recommendations, and support triage and retesting.
• Define a testing strategy for data modeling transformation outcomes focusing on quality, governance, and velocity.
• Identify automation candidates and recommend an automation approach and integration points.

Skills

Data modeling

Excel

Java

Python

Automation testing

SQL

AI/ML

ALM Quality Center

Visio

Microsoft Office

Tools

ER/Studio

ERwin

SAP PowerDesigner

Sparx EA

Collibra

Alation

Informatica

Microsoft Purview

GitHub

GitLab

Azure DevOps

Jenkins

Python scripting

Job description

Apex Systems is seeking a Tester Senior for on-site roles in McLean, VA or Plano, TX. This experienced contractor will review data modeling processes, perform structured manual testing of critical workflows, and design a phased plan to automate testing and quality gates in collaboration with data modelers, data engineers, and governance teams.

The role requires 7+ years in data engineering/architecture or QA with strong data modeling testing experience, plus hands-on Java or Python, SQL, and