Senior Data Engineer / Mainframe Developer
Smithfield, RI
Category: Development
Industry: Financial Services
Reference ID: JN -012026-105179
Date Posted: 01/25/2026
Shortcut: http://careers.eliassen.com/EXlBsC
Description:
Hybrid two weeks onsite a month in Smithfield, RI
Our client provides integrated workplace and benefits services to organizations across the United States, including defined contribution and defined benefit administration, health and welfare, human resources, and payroll solutions. The organization supports more than 10 million employees and nearly 24,000 clients with recordkeeping, data management, benefit calculations, event processing, disbursements, and retirement planning education.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $65.00 to $70.00/hr. w2
Responsibilities:
Responsibilities
- Analyze existing mainframe systems to understand data flows, inputs, and retrieval processes.
- Dissect and document legacy code, including COBOL and related mainframe components.
- Translate business requirements into technical specifications and implement data solutions.
- Define and enforce database development standards during the modernization effort.
- Design and develop ETL strategies and data integration pipelines for large datasets.
- Optimize SQL and system performance, including PL/SQL tuning.
- Apply resiliency and stability design principles aligned with Site Reliability Engineering practices.
- Collaborate with distributed team members in an Agile/Scrum environment.
- Contribute shell scripting and Linux expertise to automate and support data operations.
- Support CI/CD workflows using tools such as GitHub, Jenkins, Stash, and Artifactory.
Experience Requirements:
Experience Requirements
- Six or more years of experience in data engineering or related software development.
- Solid experience writing complex SQL and PL/SQL on Oracle.
- Mainframe development experience with COBOL.
- Hands-on experience working with large datasets.
- ETL strategy, design, and development experience.
- Experience with resiliency and stability design principles, including SRE practices.
- Familiarity with large complex system design.
- Familiarity with distributed application development in Java, .NET, or Python (preferred).
- Shell scripting experience.
- Linux environment experience.
- Experience with performance optimization and SQL tuning.
- Knowledge of CI/CD processes, tools, and practices such as GitHub, Jenkins, Stash, and Artifactory.
- Strong analytical and problem-solving skills.
- Outstanding verbal and written communication skills with the ability to summarize technical information.
- Ability to collaborate with distributed teams and manage multiple priorities.
- Agile/Scrum experience or foundational knowledge.
- PL/SQL, mainframe experience, COBOL, and ETL expertise.
Education Requirements:
Education Requirements
- Bachelor’s degree in Computer Science, Engineering, or Mathematics required.
- Master’s degree preferred.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above