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Mainframes Developer Jobs in Ashburn, VA (NOW HIRING)

Mainframe Developer

Mclean, VA ยท 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 ...

Mainframe Developer

Mclean, VA ยท 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 ...

Mainframe Developer

Mclean, VA ยท 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 ...

Mainframe Engineering

Mclean, VA ยท 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 ...

Technical SME (Mainframe z/OS)

Mclean, VA ยท On-site

$70 - $80/hr

Mainframe Infrastructure Engineer Location: Mclean, VA Remote Duration: 12+ Months Contract Job id - 178319 Must Have Qualifications : * Must have 10+ years as a Mainframe Programmer with hands on ...

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 ...

Mainframe Engineer

Mclean, VA ยท 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 ...

Mainframe developer

Mclean, VA

$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 ...

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 ...

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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Mainframe infrastructure engineering

Mclean, VA ยท 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 ...

New

Be Seen First

Mainframe infrastructure engineering

Mclean, VA ยท 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 ...

New

Mainframe Specialist

Herndon, VA ยท On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

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Showing results 1-20

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 Jul 22, 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.

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

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.

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:
Infographic showing various Mainframes Developer job openings in Ashburn, VA as of July 2026, with employment types broken down into 46% Full Time, and 54% Contract. Highlights an 85% In-person, 2% Hybrid, and 13% Remote job distribution, with an average salary of $114,373 per year, or $55 per hour.
Mainframe Developer

Mainframe Developer

Delan Associates, Inc

Mclean, VA โ€ข On-site

$49.50 - $63.75/hr

Contractor

Posted 20 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)

Employment Type: CONTRACTOR