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Mainframe Monitor Jobs in Illinois (NOW HIRING)

Infosys Limited

Senior Mainframe Architect

Chicago, IL · On-site

$112.72 - $146.54/hr

Technology|Mainframe Technologies|Mainframe Technologies- ALL Technical Skills 2 Technology ... Identify potential risks in the system landscape, monitor system performance and suggest ...

Infosys

Senior Mainframe Architect

Chicago, IL · On-site

$112K - $146K/yr

... monitor system performance and suggest optimization initiatives in line with business requirements ... Required Skill and Experience • Experience working as a Mainframes Architect on large scale ...

SDH Systems

MainFrame Developer

Riverwoods, IL · On-site

$50.75 - $65.50/hr

Utilizing DB2 and IMS tools to monitor database health and application objects. Implementing DB2 ... Experience level 12+ years of professional work experience as a Mainframe System Programmer in zOS ...

New

Ensono

Mainframe Security Engineer

Downers Grove, IL · On-site

Monitor system security policy and violations/incidents * Perform and review daily, weekly, and ... Other mainframe security products a plus Primary Location City/State: Downers Grove, IL - Finley ...

Broadcom

R&D SW Engineer

Lisle, IL

About the Role Broadcom's Mainframe Software Division (MSD) is the industry leader in mainframe operations software, serving the data center monitoring needs of Fortune 500 financial institutions ...

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All JobsMainframe Monitor JobsMainframe Monitor Jobs in Illinois

Mainframe Monitor information

What is the difference between Mainframe Monitor vs Mainframe Operator?

AspectMainframe MonitorMainframe Operator
CredentialsTypically requires certifications in mainframe systems, such as IBM Certified System AdministratorOften requires basic mainframe operation training, sometimes with certifications
Work EnvironmentMonitoring mainframe systems, analyzing performance, and troubleshooting issuesExecuting daily operational tasks, running batch jobs, and system backups
Employer & Industry UsageUsed in large enterprises, banks, and data centers managing critical mainframe infrastructureCommonly employed in similar environments for routine system operations

The mainframe monitor focuses on overseeing system performance and troubleshooting, while the mainframe operator handles daily operational tasks and job execution. Both roles are essential in maintaining mainframe system efficiency but differ in responsibilities and skill requirements.

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Mainframe Monitor jobs near you
Infographic showing various Mainframe Monitor job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 65% Full Time, 26% Part Time, 7% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.

Mainframe Support Engineer

Neshent Technologies

Belleville, IL • On-site

$47.50 - $61.25/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

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.

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