Senior Mainframe Security Analyst – RACF

FIS

Cybersecurity Analyst at FIS protecting highly-sensitive financial data and ensuring compliance against cyber threats and regulatory changes. Collaborative role within Mainframe Security Compliance team.

Posted 6/23/2026full-timeJacksonville • Florida • 🇺🇸 United StatesSeniorWebsite

About the role

Key responsibilities & impact

Researches attempted efforts to compromise security protocol and recommends solutions.
Maintains security systems and administers security policies to control access to systems.
Creates information security documentation related to work area and completes requests in accordance with company requirements.
Responds to information security-related questions and inquiries using established information security tools and procedures.
Resolves and/or performs follow through to resolve all information security issues and questions.
Implements and administers information security controls using software and vendor security systems.
Identifies opportunities and executes plans to improve workflow and understands and quantifies business impacts of those improvements for communication to management.

Requirements

What you’ll need

Ability to handle on-call rotation (~once per quarter)
Bachelor’s degree in computer science or the equivalent combination of education, training, or work experience
5-10+ years of information security experience
Advanced technical knowledge of ACF2, TSS, or RACF (ACF2 is preferred, at least one is required)
Knowledge of networks technologies (protocols, design concepts, access control) & security technologies (encryption, data protection, design, privilege access, etc.)
Knowledge of network design and engineering
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
CISSP, CCSP or equivalent certification

Benefits

Comp & perks

Flexible and creative work environment
Diverse and collaborative atmosphere
Professional and personal development resources
Opportunities to volunteer and support charities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

ACF2TSSRACFnetwork technologiessecurity technologiesnetwork designREXX

Soft Skills

time managementcommunicationdecision makingpresentationorganizational skillsproblem-solvingverbal communicationwritten communicationrelationship building

Certifications

CISSPCCSP