ZipRecruiter

Log In

1

Live In Mainframe Security Engineer Jobs in Illinois

Ensono

Mainframe Security Engineer

Downers Grove, IL · On-site

Employee The primary role of the Mainframe System Security Engineer is to create, modify and ... In addition, they will review security policies, procedures, standards, baselines and may recommend ...

Accenture

Mainframe Specialist

Chicago, IL · On-site

$70K - $196K/yr

... live. Collaboration & Delivery * Partner with cross-functional teams-architects, developers, QA, ... Certifications in mainframe technologies (e.g., IBM Certified) and project management (e.g., PMP ...

krg technology inc

Mainframe SDM Delivery

Chicago, IL · On-site

Knowledge in at least two additional areas of technical disciplines is a strong plus: mainframe security, system programming, parallel sysplex, network, storage, High Availability, Performance and ...

Broadcom

R&D Engineer Software 3

Lisle, IL · On-site

... Engineer with a passion for building high-quality applications using agile practices to join ... our Mainframe Security and Compliance team. In this role, you will be a key member of the ...

Front Door Defense

R&D Software Engineer

Lisle, IL · On-site

$108K - $172K/yr

R&D Software Engineer Lead mainframe security software development while mentoring juniors and ... Mainframe Security and Compliance team. Work Location: Lisle, IL What You Will Be Doing In A ...

Broadcom Inc.

R&D Engineer Software 3

Lisle, IL · On-site

## R&D Engineer Software 3Applylocations: USA-IL Lisle Warrenville Roadtime type: Full timeposted on ... our Mainframe Security and Compliance team. In this role, you will be a key member of the ...

Ensono

Senior Mainframe Developer

Downers Grove, IL · On-site

$102K - $148K/yr

Design, develop, and maintain Mainframe applications using COBOL, CICS, IMS DB/DC, DB2, MQ and VSAM ... Experience in Netron Frame technology. * Experience in enterprise-level ticketing systems ...

New

next page

Showing results 1-20

All JobsLive In Mainframe Security Engineer JobsLive In Mainframe Security Engineer Jobs in Illinois

Live In Mainframe Security Engineer information

What is a live in mainframe security engineer?

Live In Mainframe Security Engineers are IT professionals who specialize in securing mainframe computer systems, often residing on-site or being readily available to manage security concerns around the clock. Their duties include monitoring for threats, managing access controls, patching vulnerabilities, and ensuring compliance with security policies on mainframe platforms. These engineers play a critical role in protecting sensitive data and maintaining the integrity and availability of essential business systems that rely on mainframes.

What are the key skills and qualifications needed to thrive as a live in mainframe security engineer?

To thrive as a Live In Mainframe Security Engineer, you need a robust understanding of mainframe systems, cybersecurity principles, and typically a degree in computer science or a related field. Familiarity with tools like RACF, ACF2, or Top Secret, and relevant certifications such as CISSP or CISM, are commonly required. Strong problem-solving skills, attention to detail, and the ability to communicate complex security issues clearly are standout soft skills in this role. These skills and qualifications are essential to safeguard critical enterprise data, maintain regulatory compliance, and ensure reliable system operations.

How does a live in mainframe security engineer typically collaborate with IT and compliance teams to ensure system security?

A Live In Mainframe Security Engineer works closely with IT operations, application developers, and compliance officers to maintain robust security protocols for mainframe systems. This collaboration often involves conducting regular security assessments, coordinating on access control implementations, and ensuring compliance with regulatory standards such as PCI DSS or SOX. The role requires strong communication skills to translate complex security requirements into actionable tasks for different teams. Regular meetings and joint incident response exercises help ensure everyone is aligned in protecting critical enterprise data.

What are the most commonly searched types of Mainframe Security Engineer jobs in Illinois?

The most popular types of Mainframe Security Engineer jobs in Illinois are:

What cities in Illinois are hiring for Live In Mainframe Security Engineer jobs?

Cities in Illinois with the most Live In Mainframe Security Engineer job openings:

Live In Mainframe Security Engineer jobs near you
Infographic showing various Live In Mainframe Security Engineer job openings in Illinois as of September 2026, with employment types broken down into 20% Full Time, 20% Part Time, 20% Temporary, and 40% Contract. Highlights an 80% In-person, and 20% Remote job distribution.

Mainframe Security Engineer

Downers Grove, IL • On-site

Ensono
IT Services • 1 - 5K employees
Learn more about Ensonoexternal

Full-time

Re-posted 13 days ago

Job description

Worker Type:

EmployeeThe primary role of the Mainframe System Security Engineer is to create, modify and maintain security access on internal and external userids and security rules access for mainframe systems. All three security products, ACF2, Top Secret and RACF are utilized for supporting mainframe system access. In addition, they will review security policies, procedures, standards, baselines and may recommend and coordinate security remediation plans involving the implementation of security solutions, both technology and procedures; while maintaining an understanding of security standards, policies and procedures.

Requirements:

Basic Knowledge of Security and good security best practices

  • Hands-on administration of RACF, ACF2 and Top Secret login ID's, dataset and resource rules.
  • Monitor system security policy and violations/incidents
  • Perform and review daily, weekly, and monthly audit reports
  • Liaison with business areas and other technical support areas
  • Provide customer support by preparing ad hoc reports and giving presentations
  • Monitors the environment for adherence to security standards
  • Must be available 24 x7
  • Experience using IBM zSecure security products
  • Experience with REXX or any programming language is a plus
  • iSeries security knowledge a plus

Technical Skills:

  • Excellent TSO, JCL, IBM UTILITIES, JES2, and ISPF a must
  • Experience with CICS preferred
  • Experience using Vanguard security products is desired

General Knowledge:

  • Some MVS experience is a plus
  • PC Skills (Microsoft Outlook, Word, Excel, PowerPoint)


Personal Skills:

  • Strong written and verbal communication skills.
  • Strong organizational skills with the ability to manage multiple concurrent project deliverables and the ability to work as a global team.
  • Ability to work on own initiatives.
  • Strong analytical skills and problem solving skills
  • Must be an excellent team player with the ability to work independently in a fast paced environment
  • Self starter, detailed oriented and ability to multi task
  • Excellent Communication skills required
  • Good written skills are required


Education:

  • CISSP, CISA, CISM or ITIL Certification a plus
  • Bachelors or Masters Degree Preferred
  • Other mainframe security products a plus

Primary Location City/State:

Downers Grove, IL - Finley, Illinois

Additional Locations (if applicable):

Homebased - Downers Grove, IL - Finley

Ensono is an Equal Employment Opportunity Employer. Ensono provides equal employment opportunities to all qualified applicants without regard to race, color, religion, national origin, ancestry, citizenship status, sex, marital status, pregnancy, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status, military status, or any other status protected by applicable law.

Ensono logo

About Ensono

Sourced by ZipRecruiter

At Ensono, our **Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to** **_Do Great Things!_** We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Downers Grove, IL, US

Year founded

1969

Social media

FacebookTwitter

View All Ensono Jobs

Apply