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Mainframes Developer Jobs in Parsippany, NJ (NOW HIRING)

Mainframe Developer

Manhattan, NY · On-site +1

$120K - $155K/yr

Mainframe Code Analysis & Reverse Engineering Analyze and reverse engineer complex legacy applications to identify business processes, application functionality, and technical dependencies. Perform ...

Mainframe Developer

New York, NY · On-site

$120K - $155K/yr

Mainframe Code Analysis & Reverse Engineering Analyze and reverse engineer complex legacy applications to identify business processes, application functionality, and technical dependencies. Perform ...

Mainframe Engineer

Livingston, NJ · On-site

$53.50 - $68.75/hr

Company Description This position is a critical member of the Mainframe Engineering team. The primary function is supporting the z/OS platform that hosts 6 LPARs, 10 DB2 subsystems, 11 CICS Regions ...

... Senior Mainframe Developer with 15-22 years of experience to support and enhance mission-critical enterprise applications within the Banking, Financial Services, or FinTech domain. The ideal ...

Mainframe Engineer

Livingston, NJ

$53.50 - $68.75/hr

This position is a critical member of the Mainframe Engineering team. The primary function is supporting the z/OS platform that hosts 6 LPARs, 10 DB2 subsystems, 11 CICS Regions across 3 different ...

Mainframe Engineer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

The Brokerage Record Technology Tax Engineering team within Fidelity Wealth Technology is looking for a passionate and experienced Senior Mainframe Software Engineer to help design, enhance, and ...

Mainframe Engineer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Mainframe Engineer Location : Jersey City, NJ Job Type: W-2/Full Time Mandatory Skills - Cobol , DB2 , JCL . the candidate needs to be really good in DB2 as it involves a lot of DB work. Sector:

Mainframe Developer

Edison, NJ · On-site

$49.75 - $63.75/hr

Mainframe Developer Location Edison, NJ (3 days onsite) - Hybrid Contract Life insurance domain is needed for all roles Mainframe-COBOL JD : Key Responsibilities: 1. Own end-to-end solution design ...

Showing results 21-40

Mainframes Developer information

See Parsippany, NJ salary details

$48.3K

$112.5K

$166.9K

How much do mainframes developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for mainframes developer in Parsippany, NJ is $112,479.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,500.00 and $130,700.00 per year, depending on experience, location, and employer.

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

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 continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

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 job categories do people searching Mainframes Developer jobs in Parsippany, NJ look for? The top searched job categories for Mainframes Developer jobs in Parsippany, NJ are:
What cities near Parsippany, NJ are hiring for Mainframes Developer jobs? Cities near Parsippany, NJ with the most Mainframes Developer job openings:

Mainframe Developer

United Airlines

Manhattan, NY • On-site, Remote

$120K - $155K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago


United Airlines rating

7.9

Company rating: 7.9 out of 10

Based on 341 frontline employees who took The Breakroom Quiz

7th of 26 rated airlines


Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired bya collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizationsunlock the value of technology and build a more sustainable, more inclusive world.

Location: Hartford, CT
Job Description

Experience

  • 12+ Years of Mainframe Application Development, Modernization, Reverse Engineering, and Legacy System Analysis.

Role Summary

We are seeking an experienced Senior Mainframe SME to lead the mainframe code analysis and reverse engineering phase of large-scale modernization and transformation programs. The candidate will provide deep technical expertise across IBM Mainframe technologies, collaborate with customer and internal stakeholders, and drive the successful assessment, understanding, and documentation of legacy applications.

Key Responsibilities

Program Leadership & Governance

Lead the overall code analysis and reverse engineering workstream for mainframe modernization programs.

Define analysis strategies, deliverables, timelines, and governance processes.

Provide technical leadership to architects, analysts, and development teams.

Review project progress, risks, dependencies, and mitigation plans.

Ensure quality and completeness of application discovery and documentation.

Mainframe Code Analysis & Reverse Engineering

Analyze and reverse engineer complex legacy applications to identify business processes, application functionality, and technical dependencies.

Perform application inventory and portfolio assessment.

Identify program-to-program, batch, online, database, and external interface dependencies.

Derive business rules and functional workflows from legacy code.

Create application architecture diagrams, data flow diagrams, and system documentation.

Support automated and manual code discovery activities.

Technical Expertise

  • Provide SME guidance on IBM Mainframe technologies including:
  • COBOL
  • JCL
  • CICS
  • DB2
  • IMS DB/DC
  • VSAM
  • MQ Series
  • REXX
  • Easytrieve
  • CA7/Control-M Schedulers
  • Endevor/Changeman
  • Evaluate modernization, remediation, and migration approaches.
  • Support application decomposition and target-state architecture discussions.

Stakeholder Collaboration

  • Work closely with customer SMEs, business users, architects, and modernization teams.
  • Conduct technical workshops, requirement discussions, and knowledge transfer sessions.
  • Present findings, recommendations, and analysis reports to leadership stakeholders.
  • Act as the primary technical escalation point for mainframe-related issues.

Documentation & Reporting

  • Produce detailed analysis reports, dependency matrices, and application assessments.
  • Document business processes, application architecture, interfaces, and data models.
  • Prepare executive summaries and modernization recommendations.
  • Maintain traceability between business functions and legacy code components.

Required Skills & Qualifications

  • Strong expertise in IBM Mainframe technologies.
  • Extensive experience in COBOL, JCL, CICS, DB2, IMS, and VSAM.
  • Deep understanding of batch and online processing environments.
  • Experience with code analysis, reverse engineering, and application discovery tools.
  • Strong knowledge of software development lifecycle (SDLC) and application modernization methodologies.
  • Experience in legacy application assessment and transformation programs.

The base compensation range for this role in the posted location is: $120000 to $155800

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include: 

  • Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
  • Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
  • Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
  • Life and disability insurance
  • Employee assistance programs
  • Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect.  We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States.  http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


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About United Airlines

Sourced by ZipRecruiter

United Airlines is embarking on an exciting journey to become the best airline in aviation history. Our purpose, "Connecting People, Uniting the World," extends beyond transportation, emphasizing our commitment to uplift and create opportunities in the places we serve. With a global presence and diverse workforce, we value inclusivity and are dedicated to hiring tens of thousands of individuals across various roles. Our comprehensive benefits package, including perks like space available travel, parental leave, and 401k, aims to support your well-being and growth.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1926

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