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Ensono Mainframe Modernization Developer and Data Architect in Boston, Massachusetts

Mainframe Modernization Developer and Data ArchitectRemote - United StatesJR010035

At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things ! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

About the role and what you will be doing:

As a Mainframe Modernization Developer and Data Architect, you will be responsible for analyzing, designing, and implementing code and database changes to support the successful modernization and migration of mainframe applications to the cloud or on a modern cloud-connected mainframe. You will work with solution architects, software architects, and data architects to analyze legacy mainframe databases and file systems, along with the associated application code, to help determine the right future state data model and design required for the target architecture. You will customize and maintain Ensono’s mainframe modernization tools (ExperThinkTM, Universal Data ConverterTM, and ExperLib) with a focus on the source code conversion, data conversion, and validation result comparison features of this tool set.


Your responsibilities include learning the technical architecture and the development of new capabilities for Ensono’s mainframe modernization tools. Your responsibilities will require you to exercise deep expertise in multiple databases (e.g. DB2, IMS, VSAM) and languages (e.g. Java, C#, COBOL, SQL, PL/1, Prolog). This role includes developing modifications to the modernization tools as well as involvement in modernizing client mainframe applications and databases. Activities can include the following:

  • Converting mainframe source code and database structures to a modern distributed application/application systems architecture.

  • Enhancing Prolog code for scanning and language conversion to address unique client application code structures.

  • Engaging in detailed conversations with solution architect(s) and technical leads regarding options for customizing and modifying code, and data conversion tools.

  • Supporting client mainframe application modernization projects through the solution design, calibration, code and data conversion, testing, and validation phases. This includes:

  • Supporting proof of translation/proof-of-concept demonstrations for clients.

  • Creating conversion data maps and data dictionaries of the current and target database.

  • Analyzing mainframe application code and relationships/dependencies on the database to identify potential issues needing resolution to support successful migration.

  • Performing data modeling to adjust and optimize the target data design.

  • Reviewing DDL scripts and making modifications to create the target database.

  • Running the data conversion tool and addressing any errors.

We want all new Associates to succeed in their roles at Ensono. That is why we have outlined the job requirements below. To be considered for this role, it is important that you meet the Required Qualifications. If you do not meet all the Preferred Qualifications, we still encourage you to apply.

Required Qualifications

  • Bachelor’s degree in Computer Science, Information Science/Technology, or Mathematics.

  • 3+ years as a full stack developer/engineer for a software product or SaaS solution.

  • 3+ years of work experience in data modeling and database design for relational databases such as IBM DB2 or Microsoft SQL Server.

  • 3+ years of programming in a combination of Java, C#, and COBOL

  • Ability to self-learn new languages and database management systems.

Preferred Qualifications

  • Master’s degree in Computer Science or Information Science/Technology.

  • Previous Mainframe programming experience/background.

  • Prolog programming for Artificial Intelligence.

  • Understanding of Syntax-directed translation, Lexical Analysis and Code Generation.

  • Certifications and experience in data modeling, database design, and data query development.

Technology skills you will need or need to learn for the role:

  • Entity relationship data modeling with strong knowledge of SQL and relational DB technologies.

  • Strong knowledge of scripting and development of DDL scripts and database queries.

  • Programming skills in C#, Java, COBOL, and Visual Prolog.

  • Developing and maintaining code in development environments such as Eclipse and Visual Studio.

  • Knowledge of older file database models such as IMS, Datacom, IDMS, Adabas.

  • Knowledge of Cloud platforms such as Azure, AWS, and GCP – certifications are a plus.

  • Knowledge of Linux, Apache, MySQL, PHP, JavaScript, TypeScript, and the Angular framework.

Why Ensono?

Ensono is a place to make better happen – for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it. We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on client site, you can choose to work from home or in our Ensono offices.

  • Unlimited Paid Days Off

  • Two health plan options through Blue Cross Blue Shield

  • 401k with company match

  • Eligibility for dental, vision, short/long-term disability, life & AD&D coverage, plus flex spending accounts

  • Wellness program and Flexible work schedule

Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.

Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found on OFCCP’s website. If you need accommodation at any point during the application or interview process, please let your recruiter know or email [email protected] .