Mainframe Data Dictionary & Mapping Analyst

Ask IT consulting; New York (NY); On-site; USD 85,000 - 120,000; Full time

Job summary

NYCERS is seeking a Data Analyst to map mainframe data, build a master Data Dictionary and support data quality initiatives. You will work with COBOL/VSAM data, document data rules, and translate business requirements into technical specifications for data cleansing and migration.

A collaborative IT environment will be part of daily duties. The role emphasizes data profiling, ETL awareness, and cross-system data integrity, requiring strong communication and problem-solving skills in a critical

Qualifications

• Candidate must have strong interpersonal, communication, writing and analytical skills with ability to gather information and solve problems.
• Ability to facilitate sessions with developers and managers, meet deadlines and work under pressure.
• Minimum of five years of source-to-target data mapping in mixed Mainframe/relational DB and object storage environments.

Responsibilities

• Create and maintain a master Data Dictionary and Source-to-Target mappings for Mainframe fields in VSAM and COBOL code.
• Collaborate with data SMEs and IT to document data quality rules and definitions.
• Transform business rules into technical specs to cleanse data prior to migration.
• Provide technical/analytical support for data integrity and quality initiatives.

Skills

Interpersonal skills

Communication

Presentation

Writing

Analytical thinking

Problem solving

Information gathering

Facilitation

Data mapping (source-to-target)

COBOL data extraction

VSAM to SQL mapping

Tools

MS Visual Studio

.NET

ETL tools

Data profiling tools

Job description

PROJECT SCOPE: NYCERS seeks at minimum two (2) Data Analysts to work with the Information Technology (IT) Division for a period up to 36 months . NYCERS reserves the right to hire the candidate(s) as an employee, at no additional cost, after a period of six (6) months The Data Analyst will primarily be responsible for detailed field level analysis, profiling and mapping of the current IBM zVSE Mainframe VSAM files. The Data Analyst will create and maintain the master data dictionary and mapping to NYCERS mission critical applications and inventory of its components.

The Data Analyst must be available to work a minimum of 40 hours per week.

Justification:

The Data Analyst’s role is to create a master Data Dictionary and Source-to-Target mappings for all NYCERS Mainframe fields extant in VSAM files and embedded in COBOL program code. This is critical to establishing the entire universe of Mainframe fields and data currently in use and understanding the nature and purpose of each field for the data profiling/cleansing exercise. NYCERS IT will leverage the Data Dictionary and Source-to-Target mappings in automated processes that retrieve Mainframe data and prepare it for Legacy Replacement initiative and sharing with existing non-mainframe applications.

1.Mandatory Skills: Candidate must meet all the requirements below to be considered for thefor this position:

•Must have excellent interpersonal, communication, presentation, writing, analytical, problem solving, and information gathering skills along with fundamental technique troubleshooting abilities.

•Ability to facilitate sessions and one-on-one meetings with developers and managers, meet deadlines, and work well under pressure.

•Minimum of five (5) years of source-to-target data mapping experience in a mixed Mainframe, relational database and object storage environment.

•Experience creating data dictionary documentation and data definitions/domains.

•Experience mapping/converting VSAM data to SQL databases and object relational databases.

•Experience extracting field references and calculated data from COBOL programs.

•Understanding of data structures and their relationship to applications.

•Ability to work in multiple development environments or systems: IBM Mainframe, Windows Server and SQL Server.

•Experience extracting field references from C# and Java application code.

2.Preferred Experience:

•Experience with legacy and unstructured data.

•Experience with ETL and Data Quality/Profiling tools.

4

• Experience extracting business rules from the existing legacy code.

• Experience creating automated inventory of mainframe components.

• Experience with MS Visual Studio and .NET.

3.Assumptions Regarding Consultant Tasks and Deliverables

The Data Analyst shall provide NYCERS’ Data Management with technical expertise for the completion of Data Quality, Data Profiling and Data Cleansing effort as well as NYCERS’ ongoing process improvement programs. The following deliverables shall apply:

· Participate in identification, inventory, and classification of NYCERS critical data

· Work with data SME’s to document data quality rules and definitions

· Transform business rules into technical specifications to cleanse the data prior to the migration

· Provide technical and analytical support to NYCERS data integrity and quality initiatives

· Collaborate with data SME’s and technical leads in identifying and addressing data quality gaps

· Work with IT partners to remediate identified gaps using both manual and automated solutions

· Support processes that proactively detect, correct, and prevent invalid data values.

Additional Information

All your information will be kept confidential according to EEO guidelines.

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