Data Engineer (Contract) – BigQuery / GA4

LHH is seeking a Data Engineer with strong marketing analytics experience for a short-term engagement focused on building and validating a BigQuery-based data foundation. This role involves working across multiple client accounts to ensure analytics data is properly structured, integrated, and ready for reporting, particularly with GA4, paid media, and CRM data sources.

Responsibilities:

• Set up and configure BigQuery / GCP environments, including datasets, permissions, and naming conventions
• Enable and validate GA4 → BigQuery data exports
• Ensure key events and conversions are accurately captured and flowing
• Connect and validate priority data sources (GA4, paid media platforms, CRM, email tools)
• Create reporting-ready tables or views for analytics and performance tracking
• Perform data QA and validation across sources (GA4, ad platforms, CRM)
• Identify data gaps, inconsistencies, and potential risks
• Ensure existing dashboards and reports remain functional
• Document data architecture, sources, and workflows
• Provide clear handoff documentation and recommendations for future improvements

Requirements:

• Hands-on experience with Google BigQuery and Google Cloud Platform (GCP)
• Strong understanding of GA4 (Google Analytics 4) and data exports
• Experience working with Google Tag Manager (GTM)
• Proficiency in SQL for data transformation and reporting
• Experience integrating marketing data sources (paid media, CRM, email platforms)
• Strong data validation and QA skills
• Ability to work independently in a fast-paced, short-term engagement
• Experience in marketing analytics or agency environments
• Familiarity with tools like Salesforce, Google Ads, Mailchimp, or similar platforms
• Experience creating lightweight reporting layers or data models
• Strong documentation and stakeholder communication skills