MARS Solution Group (formerly MARS IT) is an award-winning organization that is committed to finding the best professional talent to meet your IT & Engineering needs.

MARS Solutions Group was incorporated by a team of highly-skilled software architects with strong business acumens. The company began and grew successfully during the recessionary years of 2008-2010, a time period when many competitors were either shunning the industry or downsizing. Continue reading...

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Data Warehouse Developer II

Location: MAdison, WI
Date Posted: 10-16-2018
The candidate will be responsible for ETL design, development, testing, maintenance, metadata, and implementation of data warehouse initiatives. Understand user requirements, and implement solutions that ensure requirements can be achieved through high quality deliverables. Develop ETL mapping specifications for loading information into the data warehouse and for ensuring reliability of information loaded. Seek continuous improvement in performance & tuning of data warehouse and ensure security of data. Monitor technological advancements to ensure that solutions are continuously improved, supported, and aligned with industry and company standards. 

Conducts highly complex work critical to the organization. Collaborates with other IT technical teams and Business users to understand requirements, and recommend & implement solutions. Works closely with Business users to troubleshoot issues in existing systems and create ad hoc reports. Works with moderate supervision with latitude for independent judgment. Assist less experienced peers by providing technical guidance. Requires advanced skill sets and developing proficiency within discipline. Typically requires 5 - 7 years' experience or equivalent education. 

Ideal candidate will have skills and experience in the following areas: 
• Strong skills in data warehousing process design, development, performance & tuning using the Informatica data warehousing tool suite 
• Excellent skills in the architecture of data warehouse and data integration strategies and solutions 
• Demonstrated skills in establishing data warehouse best practice standards 
• Excellent knowledge and programming in relational data base technologies; e.g. Oracle, DB2, SQL Server 
• Strong skills working with relational and dimensional data models 
• Strong skills working with slowly changing dimensions 
• Strong data management and data analysis using SQL 
• Strong verbal and written communication skills, including facilitation of meetings with customers and technical staff 
• Knowledge and skills in the project development life cycle process (i.e., planning, analysis, design, coding, testing, implementation, support) 
• Demonstrated knowledge and skills in requirements gathering 
• Effective interpersonal relations skills, ability to effectively collaborate with others and work as part of a team 
• Skills in navigating a large organization in order to accomplish results 
• Ability to initiate and follow through on complex projects of both short and long term duration 
• Excellent organizational and time management skills. 
• Excellent analytical and problem solving skills 
• Ability to work independently, assume responsibility for job development and training, researching and resolving questions and problems, requesting supervisor input and keeping supervisor informed 
• Ability to complete projects of substantial depth and complexity, and work with customers at many levels in the organization 
Skills Matrix:
Problem resolution (development and implementation): 7 years
Respond to customer requests (verbally and in writing): 7 years
Ability to navigate and query a relational database (Oracle) to both develop reports: 7 years
Data analysis: 7 years
Data Warehouse - Experience in data warehouse design and development: 7 years
Data Warehouse - Performance tuning: 7 years
DB2: 3 years
Experience in extract, transform, and load coding using Informatica: 7 years
Knowledge of Oracle PL/SQL: 7 years
Develop design specifications: 7 years
Knowledge of Kimball data warehouse design principals: 5 years
Conduct unit and system tests: 7 years
Develop Test Plans, Test Cases, and Test Procedures: 7 years
Identify defects: 7 years
Interpret test results: 7 years
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