Senior Data Engineer / Mainframe Developer

Senior Data Engineer / Mainframe DeveloperSmithfield, RIType: ContractCategory: DevelopmentIndustry: Financial ServicesReference ID: JN -012026-105179Date Posted: 02/24/2026Shortcut: Description Recommended Jobs Description:Hybrid two weeks onsite a month in Smithfield, RIOur 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. w2Responsibilities: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. Recruitment Transparency NoticeEliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( , 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process.Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.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 .About Eliassen Group:Eliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate.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.Don't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!

Created: 2026-03-04