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Mainframe Developer Jobs in Boston, MA (NOW HIRING)

TJX Companies

Staff Engineer

Framingham, MA · On-site

Ability to work with mainframe SMEs to reverse-engineer logic and map it into modern .NET domain models. * Ability to read, analyze and interpret Mainframe code such as COBOL, JCL, VSAM and DB for z ...

TJX Companies

Staff Engineer

Framingham, MA · On-site

Ability to work with mainframe SMEs toreverse-engineerlogic and map it into modern .NET domain ... Experiencewithtools such as Git, Azure DevOps, SonarQube, or similar development andDevSecOpstools.

Tjx

Staff Engineer

Framingham, MA · On-site

Ability to work with mainframe SMEs toreverse-engineerlogic and map it into modern .NET domain ... Experiencewithtools such as Git, Azure DevOps, SonarQube, or similar development andDevSecOpstools.

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All JobsMainframe Developer JobsMainframe Developer Jobs in Boston, MA

Mainframe Developer information

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$10

$57

$78

How much do mainframe developer jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for mainframe developer in Boston, MA is $57.99, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $65.82 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are popular job titles related to Mainframe Developer jobs in Boston, MA? For Mainframe Developer jobs in Boston, MA, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Boston, MA look for? The top searched job categories for Mainframe Developer jobs in Boston, MA are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Boston, MA as of June 2026, with employment types broken down into 79% Full Time, 4% Part Time, and 17% Contract. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $120,619 per year, or $58 per hour.
Production/Application Support L2, Assistant Vice President

Production/Application Support L2, Assistant Vice President

State Street Corporation

Quincy, MA • On-site

$90K - $157K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Job description

The Mainframe & SWIFT Application Support Specialist is responsible for the end-to-end support, monitoring, and incident management of our Mainframe accounting processes and SWIFT messaging flows. The role ensures operational stability, data accuracy, and timely processing of financial transactions, supporting business-critical fund accounting and custody operations.
Who we are looking for
We are seeking an experienced Application Support Specialist with strong expertise in SWIFT-integrated, fund accounting, custody operationsand mainframe ecosystems to support and modernize mission-critical financial applications. The team supports high-volume, highly secure financial systems operating across SWIFT secure zones, cloud-native platforms (AWS/Azure), and legacy mainframe technologies (e.g., IBM Z). These platforms are undergoing transformation to hybrid architectures, combining mainframe stability with cloud scalability and automation. The ideal candidate will play a key role in driving DevSecOps/SRE practices across heterogeneous environments, ensuring secure, resilient, and automated delivery pipelines.
Why this role is important to us
Our technology function, Global Technology Services (GTS), underpins critical financial operations including payments, messaging, and settlement systems integrated with SWIFT networks.
This role is central to:
  • Maintaining the security and integrity of SWIFT-connected applications, which operate within tightly controlled secure network zones and access models
  • Enabling cloud transformation of legacy mainframe workloads, improving agility, observability, and resilience
  • Strengthening compliance with internal controls, external audits, and regulatory requirements tied to financial messaging and data protection

You will contribute to the firm's broader transformation by bridging traditional mainframe operations with modern cloud-native DevSecOps/SRE practices.
What you will be responsible for
Key Responsibilities
  • SWIFT Platform Application Support
    • Manage and enforce security controls aligned with SWIFT CSP requirements across infrastructure, access models, and deployment pipelines
    • Support secure connectivity to SWIFT applications
    • Automate compliance checks and audit readiness processes
  • Mainframe & Legacy Integration
    • Support integration between mainframe platforms (e.g., IBM Z, Tandem/NonStop) and modern cloud-based services
    • Enable zDevOps / modern DevOps practices for mainframe workloads, including version control, automated deployments, and testing
    • Collaborate with mainframe operations teams to improve reliability and change management processes
  • DevSecOps & Automation
    • Embed security controls into the CI/CD pipeline (shift-left security)
    • Enhance application security (authentication, SSO, API gateways) and encryption standards
    • Reduce manual interventions through automation and runbook engineering (AWS/Azure)
  • Observability & Resilience
    • Implement monitoring and alerting across hybrid platforms using tools such as Prometheus, Splunk, Grafana, and enterprise monitoring tools
    • Improve system resilience, capacity planning, and incident response
    • Lead root cause analysis and implement permanent fixes for production incidents
  • Collaboration & Delivery
    • Work across application support, infrastructure, cloud, and vendor teams (e.g., SWIFT, managed services)
    • Support major transformation initiatives involving system migrations from mainframe to cloud
    • Ensure alignment between development, operations, and security teams

Education & Preferred Qualifications
Qualifications
  • 5+ years experience as a Application Support Engineer in financial services
  • Strong knowledge of mainframe systems (IBM Z, Tandem/NonStop, or similar)
  • Good knowledge of SWIFT-connected platforms and secure environments
  • Experience with cloud platforms (AWS and/or Azure)
  • Experience managing hybrid architectures (mainframe + distributed + cloud)

Technical Skills
  • Expertise in CICS, COBOL, DB2 and JCL
  • Monitoring and observability tools such as Prometheus, Grafana, Splunk, or AppDynamics
  • Scripting and automation using Python, Shell, or similar

What we offer
This is an opportunity to work on business-critical payment and financial platforms at the intersection of SWIFT, Mainframe Accounting and cloud transformation.
Salary Range:
$90,000 - $157,500 Annual
The range quoted above applies to the role in the location specified. If the candidate would ultimately work outside of the location above, the applicable range could differ.
Employees are eligible to participate in State Street's comprehensive benefits program, which includes: our retirement savings plan (401K) with company match; insurance coverage including basic life, medical, dental, vision, long-term disability, and other optional additional coverages; paid-time off including vacation, sick leave, short term disability, and family care responsibilities; access to our Employee Assistance Program; incentive compensation including eligibility for annual performance-based awards (excluding certain sales roles subject to sales incentive plans); and, eligibility for certain tax advantaged savings plans.
For a full overview, visit https://hrportal.ehr.com/statestreet/Home.
About State Street
Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.
We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you'll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future.
As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law.
Discover more information on jobs at StateStreet.com/careers
Read our CEO Statement
Job Application Disclosure:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
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About State Street

Sourced by ZipRecruiter

State Street is one of the largest custodian banks, asset managers and asset intelligence companies in the world. From technology to product innovation, we're making our mark on the financial services industry. For more than two centuries, we've been helping our clients safeguard and steward the investments of millions of people. We provide investment servicing, data & analytics, investment research & trading and investment management to institutional clients.

Industry

Finance and insurance

Company size

10,000+ Employees

Headquarters location

Boston, MA, US

Year founded

1792

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