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Mainframes Developer Jobs in Ashburn, VA (NOW HIRING)

Deloitte

Mainframe Developer

Mclean, VA · On-site

$49.75 - $63.75/hr

Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development ...

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 ...

Deloitte

Mainframe Developer

Washington, DC · Hybrid

$55.50 - $71.25/hr

As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent ...

Deloitte

Mainframe Developer

Mclean, VA · Hybrid

$49.50 - $63.75/hr

As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent ...

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

$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 ...

Judge Group, Inc.

Mainframe Developer

Mclean, VA · On-site

$150K - $160K/yr

Mainframe Developer McLean, VA Fulltime Strong hands-on experience with COBOL (Batch & Online) Proficient in JCL including job scheduling, utilities, and restart/recovery Experience with IBM z/OS ...

Atria Group LLC

Mainframe Developer

Chantilly, VA · On-site

$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 ...

MissionStaff

Mainframe / CICS Developer

Washington, DC

$55.50 - $71.25/hr

We are seeking a Mainframe / CICS Developer to support enterprise federal systems. This position will work on high-volume transactional applications involving COBOL, CICS, DB2, MQ, JCL, and batch ...

Alpha Consulting Corp.

Mainframe Platform Engineer

Mclean, VA · On-site

$49.75 - $63.75/hr

Alpha Consulting Corp. is seeking a Senior Mainframe Platform Engineer to act as the client-side technical SME for the enterprise mainframe platform. The role involves governance, operational ...

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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 Jun 11, 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 does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and may also handle system updates, performance tuning, and integration with other systems.

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. Senior roles or those with specialized skills in COBOL, JCL, or mainframe environments may earn higher compensation. Many positions also offer benefits such as health insurance and retirement plans.

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 often work with legacy systems, COBOL programming, and security protocols, which require specialized skills that are not fully replaced by AI technologies.

Is mainframe still in demand?

Mainframes remain in demand for large enterprises such as banks, insurance companies, and government agencies that rely on their reliability, security, and processing power. Mainframe developers with skills in COBOL, JCL, and mainframe environments are sought after to maintain and upgrade legacy systems, though the overall demand has decreased as organizations adopt cloud and distributed computing. Certification and experience with mainframe tools can enhance job prospects in this specialized field.

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:
Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Ashburn, VA as of June 2026, with employment types broken down into 21% Full Time, and 79% Contract. Highlights an 92% In-person, and 8% Hybrid job distribution, with an average salary of $114,373 per year, or $55 per hour.
Mainframe Developer

Mainframe Developer

Deloitte

Mclean, VA • On-site

$49.75 - $63.75/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

58th of 138 rated financial services

Job description

Job Summary:
Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development, maintenance, and support of mainframe health claims applications, as well as developing and deploying code changes for claims processing systems.
Responsibilities:
• Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
• Develop, test, and deploy code changes for claims processing systems based on technical specifications.
• Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
• Assist in unit and integration testing of new healthcare compliance updates.
• Maintain accurate technical documentation and runbooks for the Operate team.
Qualifications:
Required:
• 4+ years of experience in software, systems, or embedded engineering
• 4+ years of experience in Mainframe application development (COBOL, JCL, DB2)
• Experience with incident and change management processes (e.g., ServiceNow)
• Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
• Limited immigration sponsorship may be available
• Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve
Preferred:
• Experience in the healthcare/insurance domain
Company:
Deloitte is a business consulting company that offers audit, consulting, financial advisory, and tax services. Founded in 1845, the company is headquartered in London, GBR, with a team of 10001+ employees. The company is currently Late Stage.

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