Sr. Databricks Migration Engineer

Dexian Government Solutions is recruiting for a Sr. Databricks Migration Engineer to support our contract with USPS in Arlington, VA. Location: 100% Remote Position Description: The individual serves as the authoritative resource for the agency who specializes in preparing big data infrastructure for analytical or operational uses. They are responsible for designing and creating systems that collect, manage, and convert raw data into usable information for data scientists and business analysts to interpret and enables the agency to make smarter decisions and optimize operations. Position Requirements: Lead the technical migration from legacy SQL Server stored procedures and ADF pipelines to Databricks Lakehouse (Delta Lake), ensuring best practice Lakehouse design. Translate traditional relational data warehousing paradigms into scalable, distributed Lakehouse frameworks (Bronze, Silver, Gold). Design robust, reusable ETL/ELT frameworks using PySpark, Delta Live Tables (DLT), and Databricks Workflows. Architect and refine the Gold Layer (dimensional models, star schemas) specifically to maximize Power BI performance. Optimize Databricks SQL Warehouses to support high-concurrency, low-latency Power BI queries (DirectQuery and Import modes). Implement advanced optimization techniques, including Z-Ordering, data skipping, liquid clustering, and materialized views. Define and enforce governance standards for cluster sizing, auto-scaling policies, and serverless SQL compute to balance performance with cost. Implement proactive monitoring dashboards to track Databricks Unit (DBU) consumption and identify cost-saving opportunities. Establish best practices for partition strategies and file size management within Delta Lake. Design and implement a robust data security model using Unity Catalog for centralized governance. Enforce row-level and column-level security policies to ensure compliant data access for Power BI consumers and internal analysts. Align the Lakehouse security architecture with existing enterprise Azure Active Directory (Microsoft Entra ID) and RBAC standards. Act as the primary technical lead, conducting dedicated pair-programming sessions, workshops, and code reviews to transition the team from SQL-centric to Spark-centric thinking. Create comprehensive technical documentation, including architecture diagrams, design patterns, and optimization playbooks. Build a foundational knowledge transfer framework to ensure the internal team is fully self-sufficient post-migration. Communicate effectively verbally and in written form to both technical and non-technical audience Work in an organized fashion, completing tasks timely while paying close attention to details Experience: Bachelor's degree or higher from an accredited college or university in Computer Science, Engineering, or a related technical field Public Trust Required to Start 5+ years' experience in data engineering, data system development or related roles 5+ years' experience with cloud platforms (e.g. Azure, AWS, GCP) 1+ year leading complex, cross-functional data projects and technical teams Experience with Databricks Lakehouse, Apache Spark, Delta Lake, cloud-native databases, storage solutions, and distributed compute platforms Experience with data warehousing, dimensional modeling, enterprise data lakes, incremental data loads, and metadata-driven ingestion and data quality frameworks using PySpark Company Description Dexian Government Solutions is an award-winning ISO 9001:2015 certified business and GSA contract holder providing diversified Information Technology services to both Civilian and Defense agencies. Services include Software Development, Systems Integration, Data Management, Project Management, Operations & Maintenance, Cybersecurity, and Training and Audio/Visual (AV) Solutions. Dexian Government Solutions has received several recognitions, including rankings on "Top 50 Companies to Watch", Washington Technology's Annual "FAST 50", and Inc. 500's List of "Fastest Growing Private Companies". The Dexian Government Solutions team is comprised of individuals who are dedicated to the success and sustainability of our customers and their missions. Our combination of technical expertise, big business experience, and small business agility allows us to promptly provide our customers with exceptional IT and engineering solutions. Benefits Our robust benefits package includes Open Paid Time Off, 11 Federal Paid Holidays & 5 Paid Sick Days, Company-paid Life/AD&D, Company-paid Short Term and Long-Term Disability, Health Insurance with Company Contribution, 401k Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more! EEO Statement Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need. All applicants will be considered for employment without attention to race, religion, color, national origin, ancestry, physical or mental disability, medical condition, pregnancy (including childbirth, lactation and related medical conditions), marital status, genetic information (including characteristics and testing), gender, sexual orientation, gender identity or expression, military and veteran status, or any other status protected under federal, state, or local law in the locations where we operate. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Human Resources. The Company invites any applicant and/or employee to review the Company's written Affirmative Action Plan. This plan is available for inspection upon request. http://Lintechglobal.com/wp-content/uploads/2017/09/poster_screen_reader_optimized.pdf This role requires customer approval, suitability to hold a public trust and successful completion of a preemployment background screening. Apply now How would you like to verify your identity? Continue with phone Verify with a one-time text code Continue with email Verify with a one-time code or apply with