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Senior Mainframe Programmer Jobs in Philadelphia, PA

Sr. Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Hi, Our client is looking for a Sr. Mainframe Developer in Wilmington, DE location below is the detailed requirement. Job Title: Sr. Mainframe Developer Location: Wilmington, DE * Bachelor's degree ...

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd Wilmington, DE 19803 Years of experience required: 8+ · Develops and implements solutions that address ...

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving ...

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Role: Sr Mainframe Developer Location: Wilmington, DE Years of experience required: 8+ · Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Sr Cobol Developer

Trenton, NJ · On-site

$50 - $65/hr

Senior Mainframe Developer / COBOL Senior Consultant Location: Trenton, NJ (Onsite) Duration : Contract Interview Type: In person Job Summary Candidates should have strong background in Cobol, ADABAS ...

Mainframe Developer w/AWS

Malvern, PA · On-site

$48 - $61.75/hr

InterSources Inc is seeking a highly experienced Senior Mainframe Migration Engineer to join their team dedicated to modernizing client legacy applications. The role involves migrating core data and ...

... Programming including knowledge of CICS Screen Programming is Mandatory · Experience/Knowledge in building and maintaining new Test regions is preferred. · Experience coding in MQ Series & IMS DB ...

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Senior Mainframe Programmer information

See Philadelphia, PA salary details

$13

$52

$72

How much do senior mainframe programmer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior mainframe programmer in Philadelphia, PA is $52.75, according to ZipRecruiter salary data. Most workers in this role earn between $44.38 and $63.08 per hour, depending on experience, location, and employer.

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

AspectSenior Mainframe ProgrammerMainframe Developer
CredentialsTypically requires a mainframe programming certification and several years of experienceOften requires similar certifications and experience, focusing on coding and development
Work EnvironmentWorks primarily on legacy mainframe systems within financial, insurance, or government sectorsDevelops and maintains mainframe applications, often in similar industries
Employer & Industry UsageCommonly employed by large corporations with mainframe infrastructureUsed interchangeably with mainframe programmer, focusing on application development

The main difference between a Senior Mainframe Programmer and a Mainframe Developer is primarily experience level and scope. Senior Mainframe Programmers often have more responsibilities, including overseeing projects and mentoring junior staff, while Mainframe Developers focus on coding and application creation. Both roles require similar credentials and are vital in industries relying on legacy mainframe systems.

What are the most commonly searched types of Mainframe Programmer jobs in Philadelphia, PA?

The most popular types of Mainframe Programmer jobs in Philadelphia, PA are:

What job categories do people searching Senior Mainframe Programmer jobs in Philadelphia, PA look for?

The top searched job categories for Senior Mainframe Programmer jobs in Philadelphia, PA are:

What cities near Philadelphia, PA are hiring for Senior Mainframe Programmer jobs?

Cities near Philadelphia, PA with the most Senior Mainframe Programmer job openings:

Infographic showing various Senior Mainframe Programmer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 83% Full Time, 8% Part Time, 8% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $109,724 per year, or $52.8 per hour.

Sr Mainframe Developer

Keylent

Wilmington, DE • On-site

Other

Re-posted 2 hours ago


Job description

Sr Mainframe Developer with COBOL, JCL, VSAM, IMS, CICS & DB2, CICS Screen Programming, MQ Series & IMS DB 


Keylent logo

About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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