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# Lead Data Engineer (secret clearance required)

- **Company:** Deloitte T.T.L.
- **Location:** McLean, VA, United States
- **Experience:** Expert
- **Salary:** $110,700.0 - $174,600.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Code Review, Databases, Data Architecture, Information Engineering, Data Migration, Data Structures, SQL Databases, Technical Data Management Systems, Delivery Pipeline, Pyspark, Legacy Systems
- **Published:** August 14, 2026
- **Apply:** https://dejobs.org/x/x/A38B076D337C4A70B451A2D8DCB90C33/job/

## About the Role

* Ability to work independently and collaborate as part of a team
 * Effective written and verbal communication skills
 * Meticulous attention to detail and quality of work product
 * Ability to build and sustain professional relationships
 * Ability to lead projects or workstreams
 * Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment
 * Strong interpersonal skills and professional demeanor
 * Ability to meet deadlines
 * Ability to mentor and provide clear guidance to others
The Team, Required:

 * Bachelor's degree
 * 5+ years of experience designing database architectures, including recursive and hierarchical data structures
 * 4+ years of experience with Structured Query Language and data modeling, including relational, dimensional, and graph-oriented models
 * 4+ years of experience with PySpark and extract, transform, load/extract, load, transform pipeline tools
 * Must be able to obtain and maintain the required clearance for this role
 * Ability to travel 25%, on average, based on the work you do and the clients and industries/sectors you serve.
 * Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Preferred:

 * Experience leading enterprise data migration efforts from legacy systems to target-state platforms
 * Experience leading data engineering teams or technical workstreams
 * Experience translating business requirements into technical data architecture designs

## Description

As a Lead Data Engineer II on the AI & Data team, you will be responsible for:

 * Define and govern enterprise data architecture, including logical and physical data models, database schemas, and hierarchical and recursive data structures.
 * Design and oversee canonical data models, ontology structures, and platform data standards to support consistency, scalability, and system performance.
 * Lead technical oversight of data engineering delivery, including pipeline design, schema changes, code reviews, quality controls, and architectural approvals.
 * Direct data migration planning and execution, including sequencing, mapping, validation, reconciliation, rollback planning, and issue resolution during cutover.
 * Collaborate with data scientists, analysts, and business stakeholders to align architecture decisions with current operational requirements and future analytical needs.


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