Software Optimization Developer (IBM, ILOG, CPLEX, GUROBI, LINDO) - Independent Candidate W2 Contract 2

Job Title: Senior Optimization Developer Location: Chicago, IL 60606 (Hybrid) - 4 days per month onsite Durations: 6-12+ Months with possible extension and conversions. Job Overview: This role is ideal for candidates with a strong background in Operations Research, Mathematical Optimization, and Software Development who have experience building large-scale optimization and decision-support solutions. The selected candidate will collaborate with business stakeholders, software engineers, and

Description POSITION DESCRIPTION We are looking for a Senior Optimization Engineer to join our Residential Applications team to design, develop, and optimize Distributed Energy Resources (DER) scheduling and dispatch models. This role translates product requirements and energy market rules into mathematical optimization models that support participation in wholesale electricity markets, demand response programs, and behind-the-meter incentives. The ideal candidate has experience building optimiz

Required 8+ years of hands-on experience with COBOL programming on IBM z/OS. Proficiency in JCL, VSAM, DB2, IMS, and CICS. Experience in mainframe migration projects or modernization initiatives is preferred. Familiarity with mainframe communication tools such as CICS and mainframe security protocols, including RACF. Technical Skills Must be proficient in JCL, COBOL, VSAM, and CICS. Strong knowledge of batch processing and online transaction processing. Must have experience with IBM utilities,

Sr. Application Engineer (Mainframe) - Contract - Remote - $70.00 - $78.65/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not available. Our client is