Sr. Mainframe Developer

Post Date

Jan 22, 2026

Location

Rancho Cordova,
California

ZIP/Postal Code

95670
US
Mar 29, 2026 Insight Global

Job Type

Contract

Category

Data Warehousing

Req #

SFR-9cedab7d-4113-4f70-ac56-a8e5e20f5dad

Pay Rate

$46 - $58 (hourly estimate)

Job Description

Optum State Govt. Solutions is looking for a Sr. Mainframe Developer to join their Data Feeds team to support their client. The ideal candidate will have experience with handling large sets of sensitive healthcare and Medicaid data in addition to communication and presentation skills.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

- 5+ years of experience working in a mainframe environment with working knowledge of COBOL, VSAM file structures, JCL, and TSO
- Intermediate level experience with developing program specifications, pseudo cod, or logic diagrams including Warnier-Orr Diagrams to identify system changes
- 5+ years of experience with front-end data warehouse or similar processing which includes extracting data for large files from various sources, cleansing data, and preparing the data for loading into a data warehouse
- 5+ years of experience as an analyst-programmer performing various system development life cycle functions (project planning, requirements analysis, program specifications, coding, testing, implementation)
- 5+ years of experience working with statistical reporting data tools such as SAS for large volume databases developing and maintaining production reports
- Experience with Medicaid, Social Security Administration (SSA) or other welfare programs specific to state and federal policies and procedures
- Experience working with healthcare datasets (diagnosis codes, procedure codes, etc.)
- Experience with Healthcare standards (Protected Health Information, privacy standards, HIPAA data elements and code sets
Experience in oral communication interacting with user community, state and data center staff, presentations, facilitating meetings, walkthroughs, and user training

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.