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Live In Mainframe Security Engineer Jobs in Chicago, IL

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 ...

Georgia IT Inc

Mainframe Developer

Hoffman Estates, IL

$48 - $61.75/hr

Mainframe Developer 100% onsite role (2-3 days onsite so it would be hybrid role) Location ... Strong background in DB2. Domain Banking, Financial Services. Process Understanding of Agile ...

Omni Inclusive

Mainframe

Schaumburg, IL · On-site

$48.25 - $62/hr

Skill Requirements - 1. Proficiency in mainframe cobol, db2, vsam, jcl, and mainframe cics programming languages. 2. Strong understanding of mainframe architecture and technologies. 3. Experience in ...

Purple Drive Technologies

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Position: Mainframe Developer Location: Chicago, IL & Richardson, TX Experience: Expert Level ... Expert-level proficiency in Mainframe technologies including COBOL, JCL, VSAM, DB2, CICS, and IMS

Purple Drive

Mainframe Developer

Chicago, IL

$50.50 - $65/hr

Position: Mainframe Developer Location: Chicago, IL & Richardson, TX Experience: Expert Level ... Expert-level proficiency in Mainframe technologies including COBOL, JCL, VSAM, DB2, CICS, and IMS

AceStack LLC

Mainframe Developer

Chicago, IL

$50.50 - $65/hr

Role: Mainframe Developer Locations:- Irving, TX / Hopkins, MN / Brookfield, WI / Chicago, IL ... Skill Matrix- Skills Experience in years Self-rating (X/10) Total experience Mainframe development ...

Argyle Infotech

Mainframe Architect

Chicago, IL

Deep Mainframe Expertise Strong experience in IBM z/OS, COBOL, JCL, DB2, CICS, and overall ... Performance, Security & Reliability Expertise in system tuning, workload management, high ...

Veracity

Mainframe Developer

Chicago, IL · Hybrid

$50.50 - $65/hr

COBOL/DB2 Requirements: • Experience in Mainframe system with Development and Support • Knowledge of Mainframe Modernization, Mainframe and Mid-range technologies integration • Programming ...

Cynet Systems

Mainframe Developer

Riverwoods, IL · On-site

$35 - $40/hr

We are looking for Mainframe Developer for our client in Riverwoods, IL Job Title: Mainframe Developer Job Location: Riverwoods, IL Job Type: Contract Job Overview: Pay Range: $35hr - $40hr * The ...

Cynet Systems

Mainframe Developer

Deerfield, IL

$35 - $40/hr

Mainframe Developer Pay Range: $35hr - $40hr The Mainframe Developer will be responsible for ... Strong hands-on experience in COBOL, JCL, VSAM, and DB2. * Strong Unix/Linux shell scripting ...

eTeam

Cards Mainframe Developer

Rosemont, IL · On-site

$49.25 - $63.50/hr

Chicago Mainframe Developer (4 to 8 Years Experience) We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB2, VSAM, and Unix Shell Scripting. The ideal ...

eTeam

Cards Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Required : • Strong hands-on experience in Mainframe technologies: COBOL, JCL, VSAM, DB2. • ... or DevOps practices. • Knowledge of Python or Java for extended automation or backend ...

CYNET SYSTEMS

Mainframe Developer

Riverwoods, IL · On-site

$35 - $40/hr

The Mainframe Developer will be responsible for developing, enhancing, and maintaining mainframe ... Strong hands-on experience in COBOL, JCL, VSAM, and DB2. * Strong Unix/Linux shell scripting ...

Sonoma Consulting

Mainframe EDI Developer

Glenview, IL

$47.75 - $61.50/hr

Mainframe EDI Developer Sonoma Consulting is one of the fastest growing Global IT Consulting and Executive Search providers with offices in Naperville IL; Chicago IL; Tyson's Corner VA and Hyderabad ...

Ztek Consulting

Cards Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB2, VSAM, and Unix Shell Scripting. The ideal candidate will be responsible for developing, supporting, and ...

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Live In Mainframe Security Engineer information

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$23.7K

$143.8K

$179.8K

How much do live in mainframe security engineer jobs pay per year?

As of Jun 1, 2026, the average yearly pay for live in mainframe security engineer in Chicago, IL is $143,808.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,500.00 and $164,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Live In Mainframe Security Engineer, and why are they important?

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 Live In Mainframe Security Engineers?

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 most commonly searched types of Mainframe Security Engineer jobs in Chicago, IL? The most popular types of Mainframe Security Engineer jobs in Chicago, IL are:
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Live In Mainframe Security Engineer jobs near you
Mainframe Security Engineer

Mainframe Security Engineer

Ensono

Downers Grove, IL • On-site

Full-time

Posted 28 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.

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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

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