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Senior Mainframe Developer Jobs in Atlanta, GA (NOW HIRING)

Senior Salesforce Developer

Alpharetta, GA · On-site

$119K - $145K/yr

They are seeking a Senior Salesforce Developer who will be responsible for building and integrating ... in mainframe modernization, SCM, DBB/GIT/IDD • Self-motivated and capable of working ...

Sr. Lead Cobol Developer

Atlanta, GA · On-site

$48.25 - $65.50/hr

Proficiency in COBOL programming (COBOL-85, COBOL II, or later versions ... Experience working with mainframe environments (IBM z/OS, OS/390, or similar). * Strong knowledge ...

Senior PKI Security Engineer

Atlanta, GA · On-site +1

$110K - $151K/yr

AWS DevOps & Automation * PKI Architecture, Design, Implementation & Administration * Certificate ... IBM Mainframe Encryption (TKE, UKO, SGKLM) * Identity & Access Management (IAM) * Authentication ...

Act as the primary translator between EA strategy and engineering. Convert high-level business ... Lead the technical design and execution for replacing legacy Rail Transportation systems (Mainframe ...

Act as the primary translator between EA strategy and engineering. Convert high-level business ... Lead the technical design and execution for replacing legacy Rail Transportation systems (Mainframe ...

Sr. Java Developer

Atlanta, GA · On-site

$55 - $70.25/hr

Position: Sr. Java Developer Duration: 12 months Contract Location: Atlanta, GA (Locals Only) Visa ... environment (mainframe, client server, web). Knowledgeable and experienced in the full Systems ...

Lead AI Transformation Engineer

Alpharetta, GA · On-site

$100K - $131K/yr

You will work closely with software development and mainframe teams across the organization to ... Evaluate, pilot, and operationalize AI developer tools across the organization, coaching teams to ...

Showing results 21-40

Senior Mainframe Developer information

See Atlanta, GA salary details

$36

$55

$64

How much do senior mainframe developer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior mainframe developer in Atlanta, GA is $55.44, according to ZipRecruiter salary data. Most workers in this role earn between $52.02 and $60.58 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
What are the most commonly searched types of Mainframe Developer jobs in Atlanta, GA? The most popular types of Mainframe Developer jobs in Atlanta, GA are:
What are popular job titles related to Senior Mainframe Developer jobs in Atlanta, GA? For Senior Mainframe Developer jobs in Atlanta, GA, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Developer jobs in Atlanta, GA look for? The top searched job categories for Senior Mainframe Developer jobs in Atlanta, GA are:
What cities near Atlanta, GA are hiring for Senior Mainframe Developer jobs? Cities near Atlanta, GA with the most Senior Mainframe Developer job openings:
Infographic showing various Senior Mainframe Developer job openings in Atlanta, GA as of August 2026, with employment types broken down into 79% Full Time, 5% Part Time, and 16% Contract. Highlights an 77% Physical, 6% Hybrid, and 17% Remote job distribution, with an average salary of $115,318 per year, or $55.4 per hour.

Migration Architect (Mainframe to GCP)

United Airlines

Atlanta, GA • Hybrid

$88K - $207K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 hours 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

This is a hybrid role based across multiple locations - Dallas, Atlanta, Nashville, Chicago, New Jersey

About the job you're considering


The Capgemini team offers extensive career opportunities and provides mentoring and coaching for teammates. This role is an experienced professional with a strong background in software development.

Your role
  • This is a senior enterprise architecture and modernization role focused on leading large-scale mainframe-to-Google Cloud Platform (GCP) migrations.
  • The architect acts as both a strategic advisor to senior client stakeholders and a hands-on technical leader responsible for designing, building, migrating, testing, and optimizing modernized cloud solutions 
  • Lead enterprise mainframe modernization programs and define target-state cloud architectures.
  • Design scalable, resilient, and secure hybrid/cloud-native platforms integrating mainframe systems with GCP services.
  • Drive application modernization for technologies such as z/OS, COBOL, PL/I, JCL, CICS, IMS, DB2, and VSAM.
  • Architect dual-run/parallel testing solutions to validate migrated workloads, ensuring data consistency, transaction parity, and smooth cutover/rollback.
  • Design event-driven integration using APIs, messaging, and streaming technologies.
  • Build hybrid connectivity between legacy mainframes and cloud-native applications.
  • Implement DevOps, CI/CD, automation, monitoring, and platform engineering best practices.
  • Design data pipelines using Pub/Sub, BigQuery, Cloud Storage, and GKE for validation, analytics, and telemetry.
  • Define GCP landing zones, security architectures, IAM models, networking, governance, HA/DR, and compliance frameworks.
Your skills and experience
  • 12+ years in enterprise application/platform architecture.
  • 6+ years of hands-on experience in mainframe modernization or legacy transformation programs.
  • Proven experience leading large-scale mainframe-to-cloud migration initiatives.
  • Deep expertise in: Mainframe technologies (z/OS, COBOL, PL/I, JCL), CICS, IMS, batch processing
    DB2 and VSAM
  • Enterprise integration and cloud migration strategies
  • Strong knowledge of GCP architecture, security, automation, and modernization patterns.
  • Experienced architect who combines mainframe expertise, cloud architecture knowledge, modernization strategy, and hands-on migration execution skills to successfully transform legacy enterprise systems into scalable GCP-based solutions. 

#LI-RM1 - Hybrid
#DI-CM1 

The base compensation range for this role in the posted location is $88,544 - $207,401. 

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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