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Mainframe Jobs in Charleston, SC (NOW HIRING)

US Foods, Inc.

Router

Charleston, SC · On-site

$18.18 - $30.30/hr

Maintains routing software system parameters (RoadNet and Mainframe) RELATIONSHIPS * Internal: Transportation Supervisor and/or Transportation Manager; Sales and Warehouse Dept. associates; Delivery ...

B&A

Full Stack Developer- Top Secret

Charleston, SC

Analyze existing systems (including COBOL or mainframe components) and recommend practical enhancements to improve performance, reliability, and maintainability. * Support data modeling and ETL ...

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All JobsMainframe JobsMainframe Jobs in Charleston, SC

Mainframe information

See Charleston, SC salary details

$9

$49

$67

How much do mainframe jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for mainframe in Charleston, SC is $49.95, according to ZipRecruiter salary data. Most workers in this role earn between $44.09 and $56.68 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a mainframe developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe still in demand?

Mainframe professionals are still in demand, especially in industries like finance, healthcare, and government that rely on large-scale, secure, and reliable data processing. Skills in COBOL, JCL, and mainframe security are valuable, and many organizations continue to maintain and upgrade their legacy systems, creating ongoing job opportunities for mainframe specialists.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What is a job in mainframe?

A mainframe job involves working with large-scale computer systems that handle critical applications and data processing for organizations. These roles typically require knowledge of mainframe operating systems like z/OS, programming skills in languages such as COBOL or JCL, and familiarity with mainframe hardware and security protocols.

What is a mainframe?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

More about Mainframe jobs

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What job categories do people searching Mainframe jobs in Charleston, SC look for?

The top searched job categories for Mainframe jobs in Charleston, SC are:

What cities near Charleston, SC are hiring for Mainframe jobs?

Cities near Charleston, SC with the most Mainframe job openings:

Mainframe jobs near you
Infographic showing various Mainframe job openings in Charleston, SC as of August 2026, with employment types broken down into 77% Full Time, 5% Part Time, and 18% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution, with an average salary of $103,900 per year, or $50 per hour.

Mainframe Application Engineer, Senior

Imagine One Technology & Management Ltd

Charleston, SC • On-site

Other

Medical, Dental, Vision, Retirement

Re-posted 21 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