Skip Navigation

We are here to help our candidates impacted by the COVID-19 virus situation. Learn more

Full Stack Engineer 4 - Mainframe Engineer

Location Riverwoods, Illinois
Job ID R1001443 Updated date 09/22/2026
Full Stack Engineer 4 - Mainframe Engineer

We are seeking an experienced Lead Mainframe Engineer to join our team. This role focuses on supporting mixed batch and online mainframe infrastructure environments, maintaining high availability, and ensuring system resiliency. You will work across core mainframe technologies, performance monitoring, disaster recovery, data encryption, and file transfer protocols while supporting payment systems compliance and technical documentation.


What You’ll Do:

  • Maintain and support a mixed batch and online mainframe infrastructure environment, ensuring high availability across Parallel Sysplex complexes.
  • Utilize mainframe monitoring suites (such as Omegamon) to track system performance and health.
  • Support disaster recovery technologies, including GDPS, to maintain system resiliency.
  • Implement and manage mainframe encryption technologies and solutions for data both at rest and in flight.
  • Manage file transfer protocols including SFTP, FTPS, and NDM (Connect Direct).
  • Develop comprehensive documentation for system designs, processes, and configurations.
  • Ensure compliance with industry regulations and standards to maintain the integrity and security of payment systems.
  • Collaborate in an Agile project environment using Jira.

Basic Qualifications: 

  • Bachelor's Degree or higher in Computer Science or a related quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Engineering)
  • At least 4 years of experience in software engineering (Internship experience does not apply)
  • At least 2 years of experience with public cloud platforms (AWS, GCP, Azure), cloud-based productivity tools, or virtualization technologies
  • At least 3 years of experience with Sysplex complexes
  • At least 3 years of experience with COBOL, CICS, VSAM, JCL, DB2, or Mainframe RESTful API technologies
  • At least 3 years of experience with mainframe tools and utilities (IBM File Manager, IBM Z Workload Scheduler, batch schedulers, IBM Batch Utilities, ISPF, or TSO menu functions)

Preferred Qualifications: 

  • 10+ years of experience supporting a mixed batch and online mainframe infrastructure environment
  • 5+ years of experience with highly available Sysplex complexes
  • 5+ years of experience with mainframe monitoring suites, such as Omegamon
  • 5+ years of experience with COBOL, CICS, VSAM, JCL, DB2, or Mainframe RESTful API technologies
  • 3+ years of experience with Mainframe Disaster Recovery technology, such as GDPS
  • 3+ years of experience with mainframe encryption technologies for data at rest or data in flight
  • 3+ years of experience with file transfer protocols, such as SFTP, FTPS, and NDM (Connect Direct)
  • 3+ years of experience with source code and version control packages, such as Endevor or ChangeMan
  • 3+ years of experience developing comprehensive technical documentation for designs, processes, and system configurations
  • 3+ years of experience with payment systems compliance, industry regulations, and payment security standards
  • 3+ years of experience working in an Agile environment using Jira and team collaboration software such as Confluence
  • 2+ years of experience with Database Administrator tasks in DB2
  • 2+ years of experience with x509 certificate management on z/OS
  • 2+ years of experience with payment gateways and credit card processing systems
  • 2+ years of experience with Python on z/OS
  • Experience participating in mainframe modernization journeys
  • Experience mentoring junior team members or technical staff

At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (e.g. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-3, and O-1, or any other forms of work authorization that require immigration support from an employer). 

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

Riverwoods, IL: $179,400 - $204,700 for Full-stack Engineer 4


 


 


 


 


 


 


 


 


 


 

Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate’s offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at the Capital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

This role is expected to accept applications for a minimum of 5 business days.

No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City’s Fair Chance Act; Philadelphia’s Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.