1

Seasonal Mainframe Applications Developer Jobs (NOW HIRING)

Mainframe Developer

Morristown, NJ · On-site

$50.50 - $64.75/hr

NAVA Software solutions is looking for a Sr. Mainframe Engineer Details: Role: Sr. Mainframe ... Be responsible for building Mainframe applications Qualifications: * 5 - 8 years of relevant ...

Mainframe Developer

Malvern, PA · On-site

$48 - $61.75/hr

Our client is currently seeking a Mainframe Developer 1+ Year Contract Opportunity Malvern, PA ... Experience with debugging across front end applications thru to backend processes and data ...

Mainframe IMS & CICS Developer Location: Wilmington, DE (100% Onsite - 5 Days/Week) Pay Rate: $45 ... Design, develop, maintain, and support enterprise mainframe applications using COBOL, IMS/DB, and ...

Mainframe Assembler

Wilmington, DE · On-site

$45 - $55/hr

... Assembler programming, z/OS, and the Software Development Life Cycle (SDLC). This role involves developing, maintaining, and optimizing enterprise mainframe applications while ensuring system ...

Showing results 21-40

Seasonal Mainframe Applications Developer information

See salary details

$10

$48

$66

How much do seasonal mainframe applications developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for seasonal mainframe applications developer in the United States is $48.94, according to ZipRecruiter salary data. Most workers in this role earn between $43.51 and $56.97 per hour, depending on experience, location, and employer.

What is the difference between Seasonal Mainframe Applications Developer vs Mainframe Applications Developer?

AspectSeasonal Mainframe Applications DeveloperMainframe Applications Developer
CredentialsTypically requires a mainframe certification and relevant programming skillsSame as seasonal role, often with additional certifications for specific platforms
Work EnvironmentTemporary, project-based mainframe environments during peak seasonsFull-time, ongoing mainframe environments in various industries
Employer UsageEmployers hire seasonally for specific projects or peak periodsEmployers maintain continuous mainframe operations year-round
Search & Comparison IntentOften compared for seasonal vs permanent roles in mainframe developmentUsed as a baseline for full-time mainframe developer roles

The main difference between a Seasonal Mainframe Applications Developer and a Mainframe Applications Developer lies in employment duration and project scope. Seasonal developers work temporarily during peak periods, while full-time developers maintain ongoing operations. Both roles require similar skills and certifications, but their employment terms and work environments differ significantly.

What cities are hiring for Seasonal Mainframe Applications Developer jobs? Cities with the most Seasonal Mainframe Applications Developer job openings:
What are the most commonly searched types of Mainframe Applications Developer jobs? The most popular types of Mainframe Applications Developer jobs are:
What states have the most Seasonal Mainframe Applications Developer jobs? States with the most job openings for Seasonal Mainframe Applications Developer jobs include:

Mainframe Application Engineer, Senior

Imagine One Technology & Management Ltd

Charleston, SC • On-site

Other

Medical, Dental, Vision, Retirement

Re-posted 16 days ago


Job description

Imagine One Technology & Management, Ltd. is seeking a Senior Mainframe Application Engineer, contingent upon award of the associated work. This position will be based in Charleston, SC.

The Senior Mainframe Application Engineer is responsible for analyzing, planning, designing, and documenting changes to mainframe software applications written in COBOL that execute in batch or online CICS environments within a z/OS-based environment. The engineer formulates or updates Business Information System (BIS) architectures and assists mainframe software sustainers with implementation and testing activities supporting Marine Corps enterprise manpower systems.

Key Responsibilities:

  • Analyze, design, and document updates to COBOL-based mainframe applications.
  • Implement changes to batch and CICS applications within z/OS environments.
  • Architect solutions based on government-provided design requirements.
  • Perform unit testing and support peer reviews.
  • Support Production Trouble Reports (PTRs), SCRs, and FCRs.
  • Provide hour estimates for Software Releases and Standalone SCRs.
  • Analyze and translate DoD pay and personnel business rule logic into secure code.
  • Develop operational and system-level architecture views.
  • Support engineering efforts aligned with MCAAP or other RMF implementations.

Desired Experience:

  • 6+ years engineering enterprise-scale mainframe software applications.
  • 6+ years implementing and updating DoD pay and personnel business rule logic.
  • 4+ years engineering systems within MCAAP or other Risk Management Framework implementations.
  • Experience developing operational and system-level architecture views.

Security Requirements:

  • U.S. Citizen.
  • Active Secret clearance required.

Imagine One offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master’s degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!

ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2022
CMMI Development and Services - Maturity Level 3
CMMC Level 2 (C3PAO)
An Employee-Owned Business

EEO/Vets/Disabled