Mainframe Security Engineer

Capital One

Mainframe Security Engineer involved in cybersecurity risk assessments and process optimization at Capital One. Collaborating on initiatives to enhance security posture and manage risks effectively.

Posted 5/28/2026full-timeMcLean • Texas, Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $161,800 - $184,600 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityServiceNow

About the role

Key responsibilities & impact

Optimize cybersecurity program processes and output
Contribute to the broader program roadmap
Drive reporting accuracy and demand excellence in department deliverables
Actively manage and escalate risk and customer-impacting issues within the day-to-day role to management
Manage and execute cybersecurity risk assessments using qualitative and quantitative methodologies to support the organization's overall security posture
Maintain an awareness of emerging cybersecurity threats by analyzing and reporting on cybersecurity risk against various Cybersecurity Frameworks (NIST CSF, NIST 800-53, PCI DSS)
Perform in-depth analysis of security issues and vulnerabilities using tools including WhiteHat, Veracode, and Qualys to ensure compliance with audit, regulatory and legal requirements
Design metrics and develop advanced capabilities to ensure confidentiality, integrity, availability, authentication, and non-repudiation to communicate elevated risk in a business friendly manner to Cybersecurity Leadership and 2nd line partners
Proactively identify and report control deficiencies as issues within action plans
Conduct strategic and operational effectiveness assessments as required for cyber events, and regulatory and audit reviews
Utilize ServiceNow and Cyber Risk System for risk management and risk remediation, processing potential security exceptions and/or risk acceptances against established security policies and standards
Gather and challenge data, evidence, or statuses for accuracy to achieve initiative and risk mitigation completion

Requirements

What you’ll need

High School Diploma, GED, or equivalent certification
At least 3 years of experience working in cybersecurity or information technology
At least 3 years of experience in Mainframe Security Risk Assessment & Remediation
Bachelor's Degree (Preferred)
6+ years in Identity and Access Management (Preferred)
4+ years of experience in RACF Administration (z/OS 2.1 and above) (Preferred)
4+ years of experience issuing RACF and Top Secret Commands & Diagnostic Expertise (Preferred)
4+ years of Privilege Access Management (CyberArk, SailPoint IIQ) (Preferred)
GIAC CISSP (Preferred)

Benefits

Comp & perks

Comprehensive and competitive health, financial and other benefits that support your total well-being

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecurity risk assessmentsqualitative methodologiesquantitative methodologiessecurity analysisvulnerability analysisIdentity and Access ManagementRACF AdministrationPrivilege Access Managementrisk managementrisk remediation

Soft Skills

reporting accuracycustomer impact managementissue escalationstrategic assessmentoperational effectivenessdata accuracycommunicationproactive identificationcollaborationproblem-solving

Certifications

High School DiplomaGEDBachelor's DegreeGIAC CISSP