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Live In Mainframe Security Engineer Jobs in Illinois

Mainframe Support Engineer

Belleville, IL ยท On-site

$47.50 - $61.25/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Maryville, IL ยท On-site

$45.75 - $59/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Dupo, IL ยท On-site

$45.25 - $58.25/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Venice, IL ยท On-site

$46.75 - $60.25/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Columbia, IL ยท On-site

$48 - $61.75/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Brooklyn, IL ยท On-site

$47.75 - $61.50/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

Mainframe Support Engineer

Caseyville, IL ยท On-site

$45.25 - $58.25/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise ... Participate in incident communication, status updates, and post-incident reviews. * Support ...

... 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 ...

... 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 ...

R&D Engineer Software 3

Lisle, IL ยท On-site

$91.10 - $146/hr

## 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 ...

Showing results 21-40

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:

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

Mainframe Support Engineer

Neshent Technologies

Collinsville, IL โ€ข On-site

$45.50 - $58.50/hr

Full-time

Posted 6 days ago


Job description

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise mainframe applications. The ideal candidate will have strong experience with COBOL, DB2, VSAM, Batch processing, and production support operations. This role involves incident management, troubleshooting, batch monitoring, data analysis, and collaboration with cross-functional teams to ensure system stability and business continuity.

Primary Responsibilities
  • Provide L2/L3 production support for mainframe applications and services.
  • Investigate, troubleshoot, and resolve production incidents within defined SLAs.
  • Perform incident triage, root cause analysis, and implement timely resolutions.
  • Monitor and support batch jobs, identify job abends, and ensure successful batch processing.
  • Execute operational runbooks and standard operating procedures (SOPs).
  • Perform DB2 data analysis, reporting, and troubleshooting.
  • Collaborate with business users and technical teams to resolve production issues.
  • Maintain operational documentation, knowledge base articles, and support procedures.
  • Participate in incident communication, status updates, and post-incident reviews.
  • Support workforce management, time reporting, and overtime equalization processes where applicable.
  • Identify opportunities to improve operational efficiency and system reliability.
Required Skills & Qualifications
  • 5+ years of experience in Mainframe Production Support.
  • Strong hands-on experience with COBOL, DB2, VSAM, and Batch Processing.
  • Experience handling L2/L3 production support, incident management, and problem resolution.
  • Strong knowledge of batch scheduling, monitoring, and job abend analysis.
  • Experience with DB2 queries, data analysis, and report generation.
  • Understanding of production support processes, SLA management, and operational procedures.
  • Exposure to C# and VB.NET applications is desirable.
  • Excellent troubleshooting, analytical, and problem-solving skills.
  • Strong communication skills with the ability to work effectively with business and technical stakeholders.
  • Ability to work independently in a fast-paced production support environment.
Preferred Qualifications
  • Experience supporting workforce management or time reporting applications.
  • Knowledge of ITIL-based Incident and Problem Management processes.
  • Experience with production monitoring and operational support tools.
  • Ability to support after-hours or on-call production activities when required.