Mainframe Security Analyst, ACF2, TSS, RACF

FIS

. Protect mainframe systems and information by managing access, maintaining security safeguards, and resolving security issues .

Posted 11/6/2026full-timeJacksonville • Florida • United StatesMid-LevelSenior💰 $90,040 - $153,070 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mainframe security management, including access control, security safeguards, and compliance with audit requirements. Proficient in communicating security needs and updates to both technical and non-technical stakeholders.

Highest-signal resume keywords

Mainframe Security ManagementACF2, TSS, Or RACF ProficiencyAccess Control AdministrationCISSP Or CCSP CertificationREXX Knowledge

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Access ControlSecurity SafeguardsPassword Protection ManagementDigital Certificate ManagementAudit SupportRisk AssessmentSecurity Procedures MaintenanceProblem-SolvingDecision MakingTime Management

Soft Skills

Communication SkillsOrganizational SkillsPresentation SkillsInterpersonal SkillsRelationship Building

Certifications & Qualifications

CISSPCCSP

Industry Keywords

Mainframe SystemsSecurity IssuesAccess PermissionsSecurity ChangesTechnical SupportNon-Technical CommunicationOn-Call Rotation

About the role

Key responsibilities & impact

Protect mainframe systems and information by managing access, maintaining security safeguards, and resolving security issues
Work with users and technical teams to support daily operations and address audit findings
Administer mainframe accounts for users and automated processes
Maintain access permissions aligned with job responsibilities and security requirements
Maintain password protections and manage digital certificates used to verify identities and secure connections
Maintain security procedures and carry out access requests and security changes according to company standards
Support audits and address identified security gaps
Understand access and security needs, resolve questions and requests, and explain requirements to technical and non-technical audiences
Communicate security updates and contribute to risk assessments and response procedures
Participate in the on-call rotation and respond to mainframe security issues outside regular business hours

Requirements

What you’ll need

Bachelor’s degree in computer science or the equivalent combination of education, training, or work experience
Advanced technical knowledge of ACF2, TSS, or RACF; at least one is required
Proficiency in time management, communications, decision making, presentation and organizational skills
Intermediate decision-making and problem-solving skills
Intermediate verbal and written communication skills to technical and non-technical audiences of various levels in the organization
Experience establishing and maintaining effective working relationships with employees and/or clients
In-depth knowledge of REXX is a bonus
CISSP, CCSP or equivalent certification is a bonus

Benefits

Comp & perks

A work environment built on collaboration, flexibility and respect
Varied and challenging work to help you grow your technical skillset
Time to support charities and give back in your community
Competitive salary and benefits