Principal Data Analyst

Job#: 2087434

Job Description:

We are seeking a Principal Data Analyst to lead the documentation and analysis of a legacy data solution as part of a strategic migration to a modern data platform. This role will focus on understanding and mapping current data flows, identifying dependencies, and supporting the planning of modularizing the solution into distinct, manageable components. The ideal candidate will bring expertise in Dynamic SQL, data flow documentation, and impact analysis.

Job Responsibilities:

• Analyze and document the current legacy data solution, focusing on how data moves, transforms, and integrates across the system
• Develop and maintain documentation on how Dynamic SQL queries extract, validate, and trace data across the legacy environment
• Create comprehensive data flow diagrams and documentation to support migration and modularization planning
• Identify and assess the impact of splitting the solution into multiple components, including technical dependencies and business implications
• Collaborate with data engineers, architects, and business stakeholders to ensure accurate understanding of current-state architecture
• Provide recommendations for sequencing, risk mitigation, and transition planning
• Support the creation of migration playbooks and technical documentation for future-state implementation

Job Requirements:

• Advanced proficiency in Dynamic SQL and query optimization
• Proven experience in documenting complex data flows, including transformation logic and system interactions
• Strong ability to perform impact analysis on architectural changes, especially in modularization or phased migration contexts
• Excellent communication and documentation skills, with the ability to translate technical findings for diverse audiences
• Experience working independently and collaboratively in fast-paced environments

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.