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Mainframe Jobs in Frederick, MD (NOW HIRING)

The Mainframe Systems Engineer III candidate must have experience in one or more of the following disciplines: z/OS installation and customization, storage management, hardware configuration ...

Responsibilities include reviewing mainframe reports, DGAMS, FSAMS, and multiple Excel workbooks to ensure accuracy of entries on the recons as well as to research and identify discrepancies which ...

Site Reliability Engineer

Hagerstown, MD · On-site

$57K - $113K/yr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Will provide first and second-tier support (tier 3 when required) to end users for PC, thin client, server, or mainframe applications and hardware incidents. * Set up and configure IT equipment for ...

Will provide first and second-tier support (tier 3 when required) to end users for PC, thin client, server, or mainframe applications and hardware incidents. * Set up and configure IT equipment for ...

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Mainframe information

See Frederick, MD salary details

$10

$53

$71

How much do mainframe jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for mainframe in Frederick, MD is $53.07, according to ZipRecruiter salary data. Most workers in this role earn between $46.83 and $60.24 per hour, depending on experience, location, and employer.

What is the average salary for mainframe jobs?

The average salary for mainframe professionals typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or specialized skills in mainframe environments, such as COBOL or JCL, can command higher salaries. Many positions also offer benefits like retirement plans and training opportunities.

What jobs in the US pay 300,000 a year?

Mainframe professionals such as senior systems architects, lead developers, and IT managers with extensive experience and specialized skills can earn $300,000 or more annually. These roles often require expertise in mainframe technologies like COBOL, JCL, and mainframe security, along with certifications and leadership responsibilities.

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 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 Mainframe Application Developer Job Description?

The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.

What are mainframes and what do they do?

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.

Can AI replace mainframe?

Mainframe professionals work with large-scale, mission-critical systems that require specialized skills in legacy technologies, security, and data management. While AI can automate certain tasks like data analysis and system monitoring, it is unlikely to fully replace mainframe roles due to the complexity and reliability requirements of mainframe environments. Instead, AI tools are often integrated to enhance efficiency and support mainframe operations.

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.

What are the most commonly searched types of Mainframe jobs in Frederick, MD? The most popular types of Mainframe jobs in Frederick, MD are:
What are popular job titles related to Mainframe jobs in Frederick, MD? For Mainframe jobs in Frederick, MD, the most frequently searched job titles are:
What job categories do people searching Mainframe jobs in Frederick, MD look for? The top searched job categories for Mainframe jobs in Frederick, MD are:
What cities near Frederick, MD are hiring for Mainframe jobs? Cities near Frederick, MD with the most Mainframe job openings:
Infographic showing various Mainframe job openings in Frederick, MD as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $110,390 per year, or $53.1 per hour.

$126K/yr

Other

Posted 24 days ago


Job description

IT Specialist positions are being filled through the Office of Personnel Management's delegated Direct Hire Authority, open to all U.S. citizens. Selections made under this bulletin will be processed as new appointments to the civil service. Current civil service employees would, therefore, be given new appointments to the civil service. Under the provisions of the Direct Hire Authority, Veterans Preference and the "Rule of Many" do not apply.Qualifications:Resumes exceeding two pages in length will not be considered, please visit the new resume guidance for more information.
READ ALL SECTIONS OF THIS ANNOUNCEMENT IN ITS ENTIRETY. THIS INFORMATION IS CRUCIAL TO SUBMITTING A SUCCESSFUL APPLICATION.
To qualify for the 2210 IT Specialist series, you must demonstrate the following competencies. Experience must be IT related but may be demonstrated by paid or unpaid duties and/or completion of specific, intensive training (for example, IT certification), as appropriate.
  • Attention to Detail - Is thorough when performing work and conscientious about attending to detail.
  • Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; know about available products and services; and is committed to providing quality products and services.
  • Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately.
  • Problem Solving - Identifies problems; determines accuracy and relevance of information; uses sound judgment to generate and evaluate alternatives, and to make recommendations.
In addition, to qualify for this GS-15 position you must have specialized experience at or equivalent to the GS-14 level or above, which is in or related to the work of the position to be filled, that has equipped you with the particular knowledge, skills, and abilities to successfully perform the duties of the position. Such experience must primarily consist of work that involves mastery of the implementation of a mainframe high availability storage infrastructure and expert mainframe data storage administration skillsets including: backup/recovery, disaster and cyber resilience, storage maintenance, and storage operations.
PLEASE NOTE: Specialized Experience is REQUIRED and must be explicitly documented/described in your resume or you will be disqualified from further consideration.
Qualification standards and additional information for this position can be found here: http://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/2200/information-technology-it-management-series-2210-alternative-a/Education:This position does not have an educational requirement.
Education cannot be substituted for Specialized Experience.Employment Type: OTHER