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Senior Mainframe Security Engineer

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Capital One

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Location:
United States , McLean

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Contract Type:
Not provided

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Salary:

147100.00 - 184600.00 USD / Year

Job Description:

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 want you to be curious and ask “what if?” Capital One started as an information strategy company that specialized in credit cards, and we have become one of the most impactful and disruptive players in the industry. We have grown to see ourselves as a technology company in consumer finance, with great opportunities for security engineers who want to support innovative applications to give users smarter ways to save, transact, borrow and invest their money, as we seek to disrupt the industry again. As a Capital One Mainframe Security Engineer, you’ll work on a Mainframe identity platform to support Identity Access Management needs.

Job Responsibility:

  • Identify opportunities for automation, evaluate new tools, and drive implementation of technology that creates value for the organization
  • Build strong relationships with customers, stakeholders, and team members
  • Provide regular updates to the management team on project progress
  • Support the rollout and onboarding of new applications
  • Responsible for engineering security for Capital One's RACF Security Database and CICS Security Sub-System database
  • Automate component & integration tests
  • Collaborating with tech leads to ensure integrated end-to-end design and delivery
  • Good knowledge of best practice data security
  • Be fearless and try out new open source technologies/frameworks to solve business problems
  • Be fungible in a full stack team and own all aspects of delivering business applications
  • Assist in monitoring, troubleshooting, and providing problem resolutions to related incidents
  • Operational support with change and incident management processes

Requirements:

  • High school diploma, GED or equivalent certification
  • At least 3 years of experience of CICS Transaction Security including sub-system security setup
  • At least 3 years of experience of IBM z/OS including knowledge of RACF, TSO, ISPF. SDSF, and JCL
  • At least 3 years of experience investigating and resolving user/system security issues.

Nice to have:

  • Bachelor’s Degree
  • 4+ years of experience troubleshooting end user issues in Access Certifications
  • 3+ years of experience with Cyber Security Domain specifically IAM Lifecycle Management
  • 2+ years of experience FIS Systematics GN Transaction Security including a sound knowledge of EOR’s, SOR’s, and TAR’s
  • 2+ years of experience Sailpoint IdentityIQ
  • 1+ year of experience in SQL
  • 1+ year of experience with Role Based Access Controls (RBAC)
  • 1+ years of experience with Amazon Web Services (AWS)
  • CISSP Certification
  • AWS Certification
What we offer:
  • comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being
  • performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)

Additional Information:

Job Posted:
April 16, 2026

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:

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