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Remote Mainframe Developer Jobs in Columbia, MD (NOW HIRING)

System One

Senior Mainframe Engineer

Merrifield, VA · Remote

Senior Mainframe Engineer Location: remote Pay rate: open to W2 and established 1099s Position type: multiyear contract We are currently seeking a Senior Mainframe Programmer/Support Analyst with a ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

Analytica is seeking a remote  z/OS Mainframe Programmer  to support a long standing federal government project. The candidate will be responsible for designing and implementing dynamic solutions.

Analytica

z/OS Mainframe Programmer

Washington, DC · On-site +1

Analytica is seeking a remote z/OS Mainframe Programmer to support a long standing federal government project. The candidate will be responsible for designing and implementing dynamic solutions.

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distributed ...

Astre Consulting Services Inc

Be Seen First

Mainframe infrastructure engineering

Mclean, VA · Remote

$50.25 - $64.50/hr

Looking for a mainframe systems programmer (sysprog) who will be the system administrator for enterprise-level computers. Responsibility: * Install, customize, and maintain mainframe operating ...

Astre Consulting Services Inc

Be Seen First

Mainframe infrastructure engineering

Mclean, VA · Remote

$50.25 - $64.50/hr

Looking for a mainframe systems programmer (sysprog) who will be the system administrator for enterprise-level computers. Responsibility: * Install, customize, and maintain mainframe operating ...

AMERICAN SYSTEMS

Mainframe System Programmer

Mclean, VA · On-site +1

$120K - $140K/yr

Provide 24x7/365 remote support services and on-premises response as needed. * Utilize IBM's SMP/E ... for an IBM mainframe environment. * Demonstrated System programmer experience managing and ...

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All JobsMainframe Developer JobsRemote Mainframe Developer JobsRemote Mainframe Developer Jobs in Columbia, MD

Remote Mainframe Developer information

See Columbia, MD salary details

$10

$52

$71

How much do remote mainframe developer jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for remote mainframe developer in Columbia, MD is $52.97, according to ZipRecruiter salary data. Most workers in this role earn between $46.78 and $60.10 per hour, depending on experience, location, and employer.

Is IBM still making mainframes?

IBM continues to manufacture mainframes, such as the IBM Z series, which are widely used in enterprise environments for their reliability, security, and scalability. Mainframes remain a key platform for large-scale data processing and transaction workloads, and many organizations rely on mainframe developers to maintain and upgrade these systems.

What Does a Remote Mainframe Developer Do?

As a remote mainframe developer, you work from home to design, code, test, and configure software and applications used on a mainframe system. Mainframes are large computers with particularly high processing power and are often used for critical tasks like bulk data processing or enterprise resource planning. In this role, you may help ensure all new software is fully backward-compatible, monitor system performance, isolate errors, and work collaboratively with other developers as needed. Most mainframe developers work for larger companies. As a remote employee, you use virtual office software, phone, chat, or email to remain connected to other employees.

What are the key skills and qualifications needed to thrive as a Remote Mainframe Developer, and why are they important?

To thrive as a Remote Mainframe Developer, you need strong programming skills in languages like COBOL, JCL, and experience with mainframe operating systems, often supported by a degree in computer science or related field. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is typically required, along with relevant certifications. Excellent problem-solving abilities, independent work ethic, and effective virtual communication are standout soft skills for this remote role. These skills ensure smooth maintenance, modernization, and support of critical legacy systems in distributed teams.

Is mainframe developer a good career?

A mainframe developer is a skilled IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. However, it requires specialized skills and ongoing learning to stay current with evolving systems and tools.

Can mainframe be replaced by AI?

Mainframe developers work with large-scale, legacy systems that require specialized knowledge of mainframe architectures, programming languages, and security protocols. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace the need for skilled mainframe developers who maintain and optimize critical enterprise systems. AI tools may assist in development, but human expertise remains essential for complex mainframe environments.

How does a Remote Mainframe Developer typically collaborate with on-site teams and manage communication challenges?

As a Remote Mainframe Developer, you'll often work closely with on-site IT teams, business analysts, and project managers through virtual meetings, chat platforms, and shared documentation tools. Effective communication is key, so regular check-ins and proactive status updates help ensure alignment on project goals and troubleshooting efforts. Many companies use agile methodologies, which means you'll likely participate in daily stand-ups and sprint planning sessions remotely. While time zone differences can be a challenge, flexible scheduling and clear communication protocols are common strategies to keep everyone connected and productive.

What is the salary of a mainframe developer?

The salary of a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior developers with specialized skills in COBOL, JCL, and mainframe tools may earn higher salaries, especially in industries like finance and government that rely heavily on mainframe systems.

What is a Remote Mainframe Developer?

A Remote Mainframe Developer is a software professional who specializes in designing, developing, maintaining, and troubleshooting applications that run on mainframe computers, while working from a remote location. Mainframes are powerful computers often used by large organizations for critical applications, such as transaction processing and bulk data handling. Remote Mainframe Developers use programming languages like COBOL, JCL, and Assembler, and often connect to mainframe systems via secure networks. Their work ensures that legacy systems remain efficient, secure, and up-to-date. This role typically requires strong technical skills, experience with mainframe environments, and effective communication for collaborating with on-site teams.
More about Remote Mainframe Developer jobs
What are popular job titles related to Remote Mainframe Developer jobs in Columbia, MD? For Remote Mainframe Developer jobs in Columbia, MD, the most frequently searched job titles are:
What job categories do people searching Remote Mainframe Developer jobs in Columbia, MD look for? The top searched job categories for Remote Mainframe Developer jobs in Columbia, MD are:
What cities near Columbia, MD are hiring for Remote Mainframe Developer jobs? Cities near Columbia, MD with the most Remote Mainframe Developer job openings:
Remote Mainframe Developer jobs near you
Infographic showing various Remote Mainframe Developer job openings in Columbia, MD as of July 2026, with employment types broken down into 49% Full Time, and 51% Contract. Highlights an 100% Remote job distribution, with an average salary of $110,182 per year, or $53 per hour.

Senior Mainframe Engineer

System One

Merrifield, VA • Remote

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 12 days ago

Job description

Job Title: Senior Mainframe Engineer Location: remote Pay rate: open to W2 and established 1099s Position type: multiyear contract We are currently seeking a Senior Mainframe Programmer/Support Analyst with a minimum of 10 years of professional experience and extensive experience supporting enterprise banking applications in a production environment. The position focuses on troubleshooting and fixing programming defects, supporting nightly batch processing, and maintaining core banking systems built on COBOL mainframe technologies. The ideal candidate will have strong analytical and debugging skills, hands-on experience with CICS, DB2, and JCL, and the ability to provide production and lower-environment support. Experience with FIS/Systematics core banking applications is highly preferred. The role also includes participation in a rotating on-call schedule for overnight batch support. We are looking for an experienced programmer who has good research/analytical/troubleshooting skills and can fix programming bugs. The programmer must have a mainframe background and must have a minimum of 10 years of support experience with the following skill sets: - COBOL - CICS - DB2 - JCL - FIS/Systematics Core Banking application knowledge/background is highly preferred This position requires a mandatory rotational on-call nightly batch support after some initial training. The on-call rotation is for 1 week and occurs every 10 weeks. As part of the initial training and hands on experience, this person will be working with another team member and supporting the lower environments.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #851-Rockville-S1