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Fulltime Mainframe Jobs in Florida (NOW HIRING)

Sonsoft Inc

Mainframes Consultant

Miami, FL

Technical Skills - Mainframes -Web Services, EAI. * Ability to work in team environment and client ... This is a Full-Time Permanent job for you * Only US Citizen, Green Card Holder, GC-EAD , H4-EAD ...

Slalom Consulting

General Information

Miami, FL · On-site

$120 - $150/hr

Project Based, Full-time consulting About Us Slalom is a purpose-led, global business and ... Legacy system decommissioning (mainframe modernization) * Cloud transformation (Azure)

City of Homestead, FL

Budget Analyst II

Homestead, FL · On-site

$69K - $90K/yr

City of Homestead, FL Job Type: Full-Time Job Number: 202500185 Department: Finance & Budget ... Must be able to work in a mainframe environment. * Must be able to work independently with minimum ...

City of Fort Myers, FL

PAYROLL SPECIALIST III

Fort Myers, FL · On-site

$22 - $29.75/hr

Location : 2200 Second Street, Fort Myers, FL Job Type: Full-Time Job Number: 26-1542 Department ... Ability to operate necessary equipment, including personal computer, mainframe terminal, calculator ...

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Senior Mainframe Developer

Senior Mainframe Developer

Citigroup, Inc.

Jacksonville, FL • On-site

$113K - $170K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

Job description

The Senior Mainframe Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.
Responsibilities:
  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Recommended Qualifications:
  • 5 + years in IBM mainframe development.
  • Need experience with developing batch and online programs in Cobol.
  • Experience with IBM utilities and other mainframe tools and data structures such as Fileaid, Rexx, JCL, CICS, Changeman, Github, Expediter, TSO/ISPF, VSAM, DB2
  • 2+ years experience using AI tools such as Devin AI and CoPilot.
  • Extensive experience system analysis and in programming of software applications
  • Experience in managing and implementing successful projects
  • Subject Matter Expert (SME) in at least one area of Applications Development
  • Ability to adjust priorities quickly as circumstances dictate
  • Demonstrated leadership and project management skills
  • Consistently demonstrates clear and concise written and verbal communication

Education:
  • Bachelor's degree/University degree or equivalent experience
  • Master's degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
Jacksonville Florida United States
Primary Location Full Time Salary Range:
$113,840.00 - $170,760.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
Jun 15, 2026
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

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