Mainframe Developer

Post Date

Feb 21, 2025

Location

Omaha,
Nebraska

ZIP/Postal Code

68110
US
Aug 10, 2026 Insight Global

Job Type

Contract

Category

Software Engineering

Req #

ATL-764564

Pay Rate

$35 - $44 (hourly estimate)

Job Description

Job Title: Senior Mainframe Developer (COBOL, ALGOL, WFL, Unisys MCP)

Role Overview: We are seeking a Senior Mainframe Developer with expertise in COBOL, ALGOL, WFL, and Unisys MCP systems to join our development team. This position involves maintaining, enhancing, and modernizing legacy applications, as well as ensuring the stability and scalability of systems built on these technologies. The ideal candidate will have strong experience in mainframe environments, working with older technologies, and be able to collaborate with cross-functional teams to deliver high-quality, efficient solutions.

Key Responsibilities:
Legacy Application Maintenance: Maintain and enhance existing COBOL and ALGOL based applications, ensuring they remain functional, efficient, and meet business needs.
WFL Scripting: Develop, manage, and optimize WFL (Workflow Language) scripts for job scheduling and automation on Unisys MCP systems, ensuring the smooth execution of batch jobs and workflows.
Unisys MCP Knowledge: Utilize expertise in Unisys MCP (Master Control Program) to manage and support the Unisys mainframe environment, including OS management, job processing, and system configuration.
System Troubleshooting: Provide technical support for COBOL, ALGOL, WFL, and MCP-related issues, identifying root causes and resolving issues in a timely manner.
Documentation: Maintain detailed documentation for all systems, processes, and changes made, ensuring that the team can easily follow and maintain code.


Compensation is flexible, targeting $45-48/hr

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

Qualifications & Skills:
Bachelors degree in Computer Science, Engineering, Information Technology, or related field, or equivalent work experience.
7+ years of experience in COBOL, ALGOL, and WFL development in a mainframe environment.
Expert knowledge of Unisys MCP, including system administration, job processing, and automation.
Extensive experience in maintaining and enhancing COBOL and ALGOL legacy applications.
Experience with batch processing, job scheduling, and workflow automation using WFL.
Strong troubleshooting skills, with the ability to diagnose and resolve technical issues in COBOL, ALGOL, and MCP systems.
Ability to optimize and refactor legacy code for improved performance and scalability.
Familiarity with mainframe performance tuning techniques and methodologies.
Strong understanding of data migration and system integration for mainframe systems.
Experience with modernization projects, such as moving legacy systems to newer technologies or integrating mainframes with modern systems.
Familiarity with mainframe security and compliance standards.
Knowledge of mainframe disaster recovery procedures and practices.
Experience with Unisys MCP upgrade or migration projects.
Familiarity with other mainframe programming languages such as PL/I, Assembler, or JCL.

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.