Mainframe Developer (Jacksonville)

Experis Technology Group; Jacksonville (FL); On-site; USD 83,000 - 90,000; Full time

Benefits offered by this job

Medical plan

Dental plan

Vision plan

Health Savings Account

Health FSA

Life Insurance

Disability Insurance

Business Travel Insurance

401(k) with match

Weekly pay

ID verification

Job summary

ManpowerGroup, a leading workforce solutions company, is seeking an Application Programmer III to join its technology team in Jacksonville, FL. You will develop and maintain Prime Brokerage and Professional Clearing applications on the IBM z/OS mainframe, using COBOL, JCL, CICS, DB2 and IMS.

The role emphasizes production support, troubleshooting, and collaboration to deliver high-performance, secure solutions while adopting modern DevOps practices with Jenkins and Git.

Qualifications

• Expert-level experience developing COBOL applications on IBM Z/OS mainframe.
• Strong knowledge of COBOL, JCL, CICS, DB2, and IMS.
• Experience with prime brokerage, settlements, clearing, margin, or risk is beneficial.
• 3+ years of mainframe development experience.

Responsibilities

• Develop new system functionality and maintenance for Prime Brokerage and Professional Clearing applications on IBM z/OS.
• Provide analysis, design, coding, testing, and documentation for COBOL/mainframe changes.
• Provide production support and troubleshooting to maintain stability and performance.
• Collaborate with developers to build high-performance, scalable solutions and stay current with trends.

Skills

COBOL

IBM z/OS

JCL

CICS

DB2

IMS

Mainframe development

Jenkins

Git

Tools

COBOL on mainframe

Job description

Our client, Financial Services is seeking a Application Programmer III to join their team. As a Application Programmer III, you will be part of the Technology department supporting Prime Brokerage and Professional Clearing application teams.

The ideal candidate will have strong problem-solving skills, clear communication, and a positive, constructive approach to troubleshooting and continuous improvement, which will align successfully in the organization.

Job Title: Application Programmer III

Location: Jacksonville, FL

Pay Range: $60-$65/hr

What's the Job?

Develop new system functionality and deliver maintenance and enhancements for critical Prime Brokerage and Professional Clearing applications on the IBM z/OS mainframe platform.

Perform analysis, design, coding, testing, and documentation for new or modified applications using COBOL and related mainframe technologies.

Provide production support for existing applications, including troubleshooting and resolving issues to maintain stability and performance.

Collaborate with other developers to build high-performance, scalable solutions that meet performance and security requirements.

Stay current with development trends and research new technologies that can improve delivery and operational effectiveness.

What's Needed?

Expert-level experience developing COBOL applications on IBM z/OS, with strong understanding of mainframe software development practices. Skilled in software and systems architecture, including the ability to translate requirements into reliable technical solutions. Strong working knowledge of COBOL, JCL, CICS, DB2, and IMS. Experience supporting or building applications related to prime brokerage, settlements, clearing, margin, or risk. 3+ years of mainframe development experience, plus excellent verbal and written communication skills.

What's in it for me?

Opportunity to work on mission-critical, high-impact mainframe applications that support essential financial operations. Chance to strengthen your expertise across COBOL, JCL, CICS, DB2, and IMS while contributing to real production systems. Collaboration with a team focused on performance, security, and scalable application delivery. Exposure to DevOps concepts and tools such as Jenkins and Git to support modern development workflows. A role that values documentation, technical clarity, and continuous learning as you support both new development and production needs.

Upon completion of waiting period consultants are eligible for:

• Medical and Prescription Drug Plans
• Dental Plan
• Vision Plan
• Health Savings Account
• Health Flexible Spending AccountDependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short Term and Long Term Disability Insurance
• Business Travel Insurance
• 401(k), Plus Match
• Weekly Pay
• GLIDER- ID VERIFICATION
• Expectation for Start: 2-4 weeks after offer.

Due to business needs, this role requires a specific start date and will require resources that can meet the outlined start date.

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.