Data Architect

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions tour clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.

Job Title: Data Architect
Location: St. Louis, Mo
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Onsite

Job Description:

We are seeking an experienced Solution Architect with deep expertise in OLTP Data Modeling and Data Architecture within the Telecom/Wireless industry.
This role requires a hands-on architect capable of designing and governing highly normalized transactional databases that support customer-facing mobile applications, subscriber management systems, product catalogs, order management, and activation workflows.
The ideal candidate will have strong experience with Erwin Data Modeler, Oracle Database, PL/SQL, and Python, along with a proven track record of architecting scalable, high-volume transactional systems in a telecom environment.

Key Responsibilities

Data Architecture & Modeling

• Translate business requirements intconceptual, logical, and physical data models.
• Design and maintain highly normalized (3NF) enterprise data models.
• Create conceptual Entity Relationship Diagrams (ERDs) and logical data models.
• Establish and govern business data definitions, standards, and naming conventions.

Oracle Database Design

• Design Oracle physical schemas, including:
  • Tables and columns
  • Primary and foreign keys
  • Indexing strategies
  • Constraints and sequences
  • Partitioning structures
• Ensure database scalability, integrity, and performance.

Erwin Data Modeling

• Develop and maintain enterprise data models using Erwin Data Modeler.
• Manage model versioning through Erwin Mart.
• Perform forward and reverse engineering.
• Utilize Complete Compare tidentify and resolve schema differences.
• Maintain naming standards, domains, and model governance.

PL/SQL Development & Performance Tuning

• Develop and optimize complex PL/SQL code.
• Analyze execution plans and identify performance bottlenecks.
• Optimize indexing strategies and database queries.
• Troubleshoot locking, contention, and concurrency issues in high-volume transactional environments.

Data Governance & Quality

• Define data modeling standards, governance procedures, and review processes.
• Develop data dictionaries and impact analysis documentation.
• Establish controls for data quality, consistency, completeness, and integrity.
• Ensure compliance with security and privacy requirements.

Python Automation

• Develop automation tools for:
  • Model validation
  • Metadata extraction
  • Schema compliance checks
  • Data profiling
  • Deployment support

Required Qualifications

• 10+ years of Data Architecture and Data Modeling experience.
• Majority of experience focused on OLTP/transactional systems.
• Strong hands-on expertise with:
  • Erwin Data Modeler
  • Oracle Database
  • Advanced PL/SQL Development
  • Python
• Expert u