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Mainframes Developer Jobs in Ashburn, VA (NOW HIRING)

System One

Senior Application Engineer

Vienna, VA · Remote

... mainframe programming languages and development tools such as JCL, COBOL, DB2 and IBM mainframe utilities (Syncsort, DFSort, ICETOOL) on z/OS. Client leverages Changeman ZMF for change management and ...

System One

Senior Application Engineer

Vienna, VA · Remote

... mainframe programming languages and development tools such as JCL, COBOL, DB2 and IBM mainframe utilities (Syncsort, DFSort, ICETOOL) on z/OS. Client leverages Changeman ZMF for change management and ...

Avance Consulting Services

MainFrame

Mclean, VA

It provides strategic business consulting, technology, engineering and outsourcing services to help ... Qualifications MainFrames,Cobol,JCL,ISPW Additional Information All your information will be kept ...

System One Holdings, LLC

Java Mainframe Developer

Vienna, VA · On-site

$57.50 - $73.25/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

System One

Java Mainframe Developer

Vienna, VA · Remote

$58.50 - $74.75/hr

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

TekWissen

DB2 Consultant

Bethesda, MD

... engineering, and systems integration. www.tekwissen.com Should be able to Designs, develops and supports application solutions with focus on mainframe DB2 applications including ability to query DB2 ...

Stem Xpert

Mainframe Tester

Mclean, VA · On-site

... engineering and systems integration. Our tightly integrated offerings are tailored to each clients ... Title: Mainframe Tester Location: Mclean VA and Alpharetta, GA No of Positions: 2 Position type:

Tata Consultancy Service Limited

Engineer

Mclean, VA · On-site

$130K - $140K/yr

... OS Mainframe environment • Good working knowledge of CICS for online transaction processing • Strong experience with DB2 (SQL, embedded SQL, performance tuning) • Familiarity with VSAM (KSDS ...

USM

Locals Only Urgent Need ETL Datastage Developer

Mclean, VA · On-site

$51.50 - $67.50/hr

Able to do analysis and make code changes to the DataStage ETL, Mainframe and Unix jobs. Required: * Bachelor's degree in Computer Science or Engineering or equivalent working experience * At least 6 ...

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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 Jul 23, 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:
Mainframes Developer jobs near you
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.
Senior Application Engineer

Senior Application Engineer

System One

Vienna, VA • Remote

Contractor

Posted 23 days ago

Job description

Job Title: Senior Application Engineer Location: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description Design, develop, and optimize software applications that bridge technical teams and end-users, addressing business needs through innovative solutions and enhancing member or internal user experiences. Leverage the full software development lifecycle, including design, coding, testing, and deployment on an Agile Release Train, to ensure efficient system improvements. Work under minimal supervision and use complete understanding of business needs and objectives to support projects that have impact on the achievement of operational goals. Advanced skill set and proficiency with procedures and techniques. Responsibilities • Research and analysis of the existing CACS application and the known, documented interfaces • Identification of required changes needed for integration with downstream applications • Architecture and design documentation for the proposed processing • Engineering the technical solution, migration to the Integration environment for quality testing, and resolution of identified bugs • Debt Sale execution and validation with the possibility for some engineering work. • Design, develop, and optimize high-quality software applications using various, advanced programming languages and frameworks that meet business requirements • Collaborate with engineers, stakeholders, and team members to gather and analyze requirements and translate them into technical specifications, propose innovative solutions, and ensure timely task completion • Write advanced, clean, scalable, and maintainable code that adheres to industry best practices and organizational coding standards • Implement data structures and algorithms efficiently, optimizing code for performance, scalability, and user experience • Identify, troubleshoot, and resolve advanced application functionality, performance, and bugs, ensuring quality and system improvements • Conduct advanced and team code reviews, provide constructive feedback, and learn from colleagues' expertise to maintain a high-quality codebase • Lead small projects and initiatives, while building strong working relationships with stakeholders, team members and subject matter experts, driving collective success and continuous improvement • Contribute to generating and adhering to application and software development engineering policies, standards, and procedures • Continuously learn from individual and team experiences, fostering growth and improvement through collaboration and continuous feedback Qualifications • Bachelors Degree in Computer Science, Information Systems, a related field or the equivalent combination of education, training or experience • 10+ years of experience in application or software development engineering • Prefer knowledge and understanding of Collections business processes • Advanced proficiency in software development principles, the SAFe/Agile methodology, and version control systems • Expertise in mainframe programming languages and development tools such as JCL, COBOL, DB2 and IBM mainframe utilities (Syncsort, DFSort, ICETOOL) on z/OS. Client leverages Changeman ZMF for change management and ESP for job scheduling • Deep understanding of database structures, web technologies, and technical applications, capable of designing and implementing scalable solutions • Strong problem-solving, analytical, and troubleshooting skills, with the ability to address complex technical issues efficiently • Advanced written and verbal communication skills for articulating technical concepts to both technical and non-technical stakeholders • Experience in software testing, quality assurance, and optimizing code for performance, scalability, and maintainability • Advanced knowledge of customer support tools, ticketing systems, and knowledge base platforms for effective resolution of technical issues • Expertise in data structures, algorithms, and applying them for optimal application performance and scalability • Ability to lead projects, mentor team members, and contribute to the development of engineering policies, standards, and procedures Ref: #851-Rockville-S1