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Mainframes Developer Jobs in Ashburn, VA (NOW HIRING)

Delan Associates, Inc.

Mainframe Developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so ...

Delan Associates, Inc

Mainframe Developer

Mclean, VA

$49.50 - $63.75/hr

Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so ...

Delan Associates, Inc

Mainframe Developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so ...

Noblesoft Technologies

Mainframe Engineering

Mclean, VA · On-site

$40 - $45/hr

Mainframe Engineering Location : McLean, VA Required Knowledge * z/OS architectures and internals. * zSecure tool and Carla language (customization experience is a plus). * Mainframe security related ...

System One

Senior Mainframe Engineer

Merrifield, VA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

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 ...

ConfigUSA

Mainframe Engineer

Mclean, VA · On-site

$49.50 - $63.75/hr

The Mainframe engineers responsibilities include: Technical Lead for Mainframe Platform (z/OS| Dell Storage| IMS| DB2| RACF| CA JobTrac) to govern operations| changes and sustainability upgrade ...

Stem Xpert

Mainframe developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Mainframe developer Location: Mclean, VA Duration: contract or full time Skillset : Experience in Mainframe (COBOL/JCL/DB2/IMS/CICS) - must have. Must have - Mainframe and IMS Good in analysis ...

System One

Senior Mainframe Developer (COBOL)

Reston, VA · Remote

$83/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Mainframe Developer (COBOL) Location: Primarily Remote Onsite Expectations: Monthly travel to Reston, VA for PI Planning Compensation: $83/HR Employment Type: W2 only About the Role We're ...

Corinth

Mainframe DBA/COBOL Programmer

Leesburg, VA · Remote

$86K - $97K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mainframe DBA/COBOL Programmer Location: Remote Employment Type: Full-Time, Exempt Salary Range: $86,000 - $97,000 Citizenship Requirement: U.S. Citizenship required Position Overview Corinth is ...

Atria Group LLC

Mainframe Developer

Chantilly, VA

$50.25 - $64.50/hr

... engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career. Skills: Hogan, COBOL, DB2, JCL, VSAM, Mainframe ...

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All JobsMainframes Developer JobsMainframes Developer Jobs in Ashburn, VA

Mainframes Developer information

See Ashburn, VA salary details

$49.1K

$114.4K

$169.8K

How much do mainframes developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for mainframes developer in Ashburn, VA is $114,373.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $132,900.00 per year, depending on experience, location, and employer.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized 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 systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Ashburn, VA?

For Mainframes Developer jobs in Ashburn, VA, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Ashburn, VA look for?

The top searched job categories for Mainframes Developer jobs in Ashburn, VA are:

What cities near Ashburn, VA are hiring for Mainframes Developer jobs?

Cities near Ashburn, VA with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Ashburn, VA as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $114,373 per year, or $55 per hour.

Mainframe Developer

Delan Associates, Inc.

Mclean, VA • On-site

$49.50 - $63.75/hr

Contractor

Re-posted 17 days ago

Job description

Position: Mainframe Developer (Banking Domain)
Location: McLean, VA (Onsite, 5 days/week)
Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so candidates must be available to attend an in-person interview.
Job Summary
We are seeking an experienced Mainframe Developer with strong expertise in the Banking domain to design, develop, maintain, and support mission-critical mainframe applications. The ideal candidate should have hands-on experience with COBOL, JCL, DB2, CICS, VSAM, and IBM mainframe technologies, along with a solid understanding of banking processes such as deposits, loans, payments, cards, or core banking.
Key Responsibilities
Design, develop, test, and maintain IBM Mainframe applications
Analyze business and functional requirements and convert them into technical solutions
Develop and enhance applications using COBOL, JCL, CICS, DB2, and VSAM
Create and modify JCLs for batch processing and job scheduling
Perform code reviews, unit testing, integration testing, and production support
Troubleshoot production issues and perform root cause analysis
Optimize application performance and improve batch processing efficiency
Work with business analysts, QA teams, and stakeholders throughout the SDLC
Participate in system upgrades, migrations, and application modernization initiatives
Maintain technical documentation and follow development standards
Required Skills
Mainframe Technologies
COBOL
JCL (Job Control Language)
CICS
DB2
VSAM
IMS (preferred)
TSO/ISPF
IBM z/OS
File-AID
Endevor, Changeman, or ISPW
SDSF
SPUFI
Database
DB2
SQL
Version Control
Endevor
Changeman
Git (preferred)
Scheduling Tools
CA-7
Control-M
OPC/TWS (preferred)

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