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Senior Cobol Developer Jobs in Reston, VA (NOW HIRING)

Maxiom Technology

Senior Java Developer

Ashburn, VA · On-site

$58.50 - $74.75/hr

We are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release and help with the migration of a COBOL app to Java.

System One

Senior Mainframe Engineer

Merrifield, VA · Remote

Senior Mainframe Engineer Location: remote Pay rate: open to W2 and established 1099s Position type ... built on COBOL mainframe technologies. The ideal candidate will have strong analytical and ...

Software Technology Inc

Mainframe Developer

Washington, DC · On-site

$55.50 - $71.25/hr

Programmer/Analyst Senior This is a Programmer/Analyst Senior position on the Treasury Management ... Detailed Description * Expertise programming skills with COBOL * Experience with coding in ...

Prescient Edge

Senior Computer Programmer

Bethesda, MD · On-site

Job Title Senior Computer Programmer Location Bethesda, MD 20800 US (Primary) Category Research ... The programming languages most often used are C, C++, and Java, with Fortran and COBOL used less ...

USM

Sr. ETL Developer

Reston, VA

$53 - $69.50/hr

Job Title: Sr. ETL Developer Location: Reston, VA ---Locals Only Duration: 12+ months F2F Interview ... Cobol (very important skill), XML, MQ/MB and Columnar databases Candidate must have five+ (5+) ...

Prescient Edge

Senior Computer Engineer

Bethesda, MD · On-site

$131K - $172K/yr

Job Title Senior Computer Engineer Location Bethesda, MD 20800 US (Primary) Category Research ... The programming languages most often used are C, C++, and Java, with Fortran and COBOL used less ...

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Senior Cobol Developer information

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$44

$57

$76

How much do senior cobol developer jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for senior cobol developer in Reston, VA is $57.75, according to ZipRecruiter salary data. Most workers in this role earn between $51.78 and $63.51 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Cobol Developer, and why are they important?

To thrive as a Senior Cobol Developer, you need deep expertise in COBOL programming, legacy system integration, and experience with mainframe environments, typically supported by a degree in computer science or a related field. Familiarity with IBM mainframe tools (such as z/OS, JCL, DB2), version control systems, and sometimes certifications like IBM Certified System Programmer are commonly required. Strong analytical thinking, problem-solving abilities, and effective communication are vital soft skills for managing complex codebases and collaborating with cross-functional teams. These skills ensure the ongoing stability, modernization, and efficient maintenance of critical enterprise systems.

What are Senior COBOL Developers?

Senior COBOL Developers are experienced software engineers who specialize in developing, maintaining, and optimizing applications using the COBOL programming language. They typically work on legacy systems for industries such as banking, insurance, and government, where COBOL remains vital for large-scale transaction processing. In addition to coding, they are often responsible for system analysis, troubleshooting, mentoring junior developers, and ensuring the continued reliability and performance of mission-critical applications. Their expertise is essential for organizations seeking to modernize or integrate old COBOL systems with newer technologies.

What is the difference between Senior Cobol Developer vs Cobol Programmer?

AspectSenior Cobol DeveloperCobol Programmer
Required CredentialsBachelor's degree, experience, possibly certificationsTypically entry-level or less experience, basic knowledge
Work EnvironmentTeam projects, design, and architecture involvementCode writing, debugging, maintenance
Employer & Industry UsageFinancial, government, large enterprisesSame industries, often entry-level roles
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry-level position details, skills required

The main difference between a Senior Cobol Developer and a Cobol Programmer lies in experience, responsibilities, and scope. Senior Cobol Developers typically lead projects, design solutions, and mentor junior staff, while Cobol Programmers focus on coding and debugging tasks. Both roles are common in financial and government sectors, but the senior role requires more experience and a broader skill set.

How does a Senior Cobol Developer typically collaborate with cross-functional teams in a modern enterprise environment?

As a Senior Cobol Developer, you will often work closely with business analysts, quality assurance testers, and project managers to translate business requirements into robust mainframe solutions. Collaboration frequently involves participating in code reviews, coordinating integration with newer technologies, and providing technical guidance to junior developers. Effective communication is essential, as you'll need to explain legacy system constraints and propose modernization strategies that align with organizational goals. This cross-functional teamwork ensures that COBOL applications continue to meet evolving business needs while maintaining reliability.
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Senior Cobol Developer jobs near you
Senior Cobol Developer with IRS MBI Clearance

Senior Cobol Developer with IRS MBI Clearance

3M Consultancy

Washington, DC • On-site

Other

Posted 13 days ago

Job description

Job Description
Job Title: Senior Cobol Developer
Location: Remote.
Duration: Full-Time
NEED IRS MBI Clearance.
Job Overview:
We are seeking a Senior Cobol Developer to join our team and support the IRS. The ideal candidate will have expertise in Assembler (BAL), REXX, C/C++, COBOL, JCL, and SQL-PL/SQL. Familiarity with mixed platform tax processing systems is a plus.
Key Responsibilities:
Develop, update, and maintain COBOL programs.
Work with Assembler (BAL), REXX, C/C++, COBOL, JCL, and SQL-PL/SQL languages.
Create and update technical documentation, including FSPs, PRPs, and system diagrams.
Develop and maintain DB2 SQL queries for IRS subsystems.
Participate in program analysis, testing, and revisions to improve performance and adapt to new requirements.
Collaborate with management and technical teams to clarify program intent and resolve issues.
Perform systems analysis and provide documentation of program developments and revisions.
Qualifications:
Over 10 years of experience with IRS systems, particularly IRS IMFOL development.
Proficient in IBM Mainframe, ALC, and JAVA.
Bachelor's degree or 4 years of related experience in lieu of a degree.
Strong experience in documenting requirements and technical writing.
Excellent problem-solving and communication skills.
Preferred Qualifications:
Active IRS Minimum Background Investigation (MBI) clearance is a plus.
US Citizenship or Legal Permanent Resident (Green Card status) for 3 years and Federal Tax compliant.
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About 3M Consultancy

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3M Consultancy was created when we recognized that the InfoTech industry was growing at a rapid pace, and the traditional methods of hiring for these roles were becoming outdated and inadequate. We are a group of dedicated and tenured recruiting professionals who focus on employing a new system of practice to help you find the best talents out there. The traditional staffing agencies and job-boards may have been effective in retrieving a pool of resumes for employers, but it lacked the extra knowledge of the industry to fill these important roles. Our team is composed of highly skilled and experienced recruitment professionals who are dedicated to finding the best talent for our clients. We have a thorough understanding of the industries we serve and are well-equipped to meet the unique needs and requirements of our clients.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

San Diego, CA, US

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