Integration Engineer 4 - Mainframe DB2 DBA

Capital One; Chicago (IL); On-site; USD 150,000 - 171,000; Full time

Job summary

Capital One is seeking an Integration Engineer 4 – Mainframe DB2 DBA to oversee IBM DB2 on z/OS and lead modernization across the mainframe ecosystem. You’ll ensure high availability, DR readiness, and secure data handling while guiding teams in Agile environments and enabling secure cloud connectivity.

The role demands deep DB2/DBMS expertise, COBOL/JCL and mainframe tooling proficiency, plus mentoring capabilities in a fast paced environment. Riverwoods, IL sits at the core of this opportunity.

Qualifications

• Bachelor's degree in a relevant field.
• 4+ years designing and maintaining cross-platform or cloud integrations.
• 3+ years automating system configuration or data workflows.
• 3+ years working with relational databases or Mainframe DB2 applications.

Responsibilities

• Manage and administer IBM DB2 on z/OS environments as SME for both application and systems DBA activities.
• Lead mainframe maintenance and modernization focused on resiliency, high availability, and DR for critical business apps and payments.
• Use DB2 performance tools to optimize Batch and Online processing.
• Ensure data integrity and security with encryption and z/OS certificate management.
• Bridge legacy systems to cloud via secure Distributed connectivity and Mainframe RESTful APIs.
• Collaborate with Agile teams using Jira and Confluence and document configurations.
• Mentor juniors and drive continuous improvement of database engineering practices.

Skills

DB2 on z/OS

Mainframe

CICS

JCL

VSAM

COBOL

Python on z/OS

RESTful APIs

Security RACF/ACF2/Top Secret

Omegamon for DB2

Query Workload Tuner

IBM Admin Tool Suite

Mainframe modernization

Jira/Confluence

Education

Bachelor's Degree

Tools

Omegamon for DB2

Query Workload Tuner

IBM Admin Tool Suite

JCL

CICS

RACF/ACF2/Top Secret

Job description

Integration Engineer 4 – Mainframe DB2 DBA

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Integration Engineers who are passionate about marrying mainframe data systems with emerging cloud technologies to join our team. As an Integration Engineer, you’ll have the opportunity to be on the forefront of driving major mainframe modernization and enterprise integration transformations within Capital One.

What You’ll Do

• Manage and administer mission-critical IBM DB2 on z/OS environments, acting as the subject matter expert for both Application and Systems DBA activities
• Lead mainframe application maintenance and modernization journeys, with a heavy focus on the resiliency, high availability, and disaster recovery of business applications and payment processing systems
• Utilize advanced DB2 performance and tuning tools (such as Omegamon, Query Workload Tuner, and IBM Admin Tool Suite) to optimize both Batch (JCL, IWS) and Online (CICS) mainframe processing systems
• Ensure the integrity, security, and compliance of enterprise data by implementing Pervasive Encryption for DB2 and datasets, managing x509 certificates, and navigating mainframe security (RACF, ACF2, or Top Secret)
• Bridge the gap between legacy systems and modern architecture by enabling secure, distributed cloud connectivity to DB2, utilizing Mainframe RESTful APIs and Python on z/OS
• Work within and across Agile teams (using Jira and Confluence) to design, test, implement, and support technical solutions, while developing comprehensive documentation for system configurations
• Bring a passion to stay on top of tech trends, mentor junior team members, and drive continuous improvement of database engineering practices

Basic Qualifications

• Bachelor's Degree
• At least 4 years of experience designing and maintaining cross-platform or cloud integrations
• At least 3 years of experience automating system configuration or data workflows
• At least 3 years of experience working with relational database systems or Mainframe DB2 applications

Preferred Qualifications

• 6+ years of experience as an Application Database Administrator or Systems Database Administrator
• 5+ years of experience with distributed and cloud connectivity to IBM DB2
• 4+ years of experience with Pervasive Encryption for IBM DB2 or datasets
• 5+ years of experience with DB2 performance tools (such as Omegamon for DB2, Query Workload Tuner, Query Monitor, IBM Performance Expert, or IBM Admin Tool Suite)
• 3+ years of experience with mainframe application disaster recovery and system resiliency planning
• 3+ years of experience with RACF, ACF2, or Top Secret security management
• 2+ years of experience with x509 certificate management on z/OS
• 3+ years of experience with payment gateways, payment security standards, and credit card processing systems
• 3+ years of experience working in an Agile environment using Jira and team collaboration software such as Confluence
• 3+ years of experience developing technical documentation for system designs, processes, and configurations
• 5+ years of experience with COBOL programming and JCL
• 3+ years of experience with VSAM file systems and dataset structures
• 3+ years of experience with CICS transaction processing systems
• 2+ years of experience with Python on z/OS or Mainframe RESTful API technologies
• 3+ years of experience with source code and version control packages (such as Endevor or ChangeMan)
• Experience participating in mainframe modernization initiatives
• Experience mentoring junior database administrators or technical team members

Employment & Compensation

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: $149,800 - $171,000 for Integration 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.

The role is expected to accept applications for a minimum of 5 business days. No agencies please.

Equal Opportunity & Diversity

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 [e-mail]. 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 [e-mail].

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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).

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.