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Remote Mainframe Operator Jobs in Missouri (NOW HIRING)

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Remote Mainframe Operator information

What is a remote mainframe operator?

A Remote Mainframe Operator is an IT professional responsible for monitoring, managing, and maintaining mainframe computer systems from a remote location. Their duties typically include overseeing batch jobs, troubleshooting system errors, performing routine maintenance, and ensuring the reliability and security of mission-critical operations. Remote Mainframe Operators often work with specialized software tools to access and control mainframes, enabling organizations to maintain 24/7 system uptime without requiring on-site personnel.

What skills and qualifications are needed to be a remote mainframe operator?

To thrive as a Remote Mainframe Operator, you need a solid understanding of mainframe systems, operating procedures, and troubleshooting, often backed by relevant IT education or certifications. Proficiency in using z/OS, JCL (Job Control Language), mainframe monitoring tools, and remote management software is typically required. Strong problem-solving abilities, attention to detail, and effective communication are crucial soft skills for this role. These competencies ensure the reliable operation, security, and efficiency of critical enterprise computing environments.

How does a remote mainframe operator collaborate with other IT teams to resolve technical issues?

Remote Mainframe Operators frequently work closely with network administrators, application support staff, and system engineers to monitor system health, troubleshoot incidents, and implement updates. Collaboration often takes place via ticketing systems, scheduled virtual meetings, and real-time messaging platforms, ensuring swift communication and coordination. Operators are expected to clearly document issues and resolutions, escalate problems when necessary, and provide status updates to relevant stakeholders. This collaborative approach helps maintain system stability and minimizes downtime.

What is the difference between Remote Mainframe Operator vs Remote Data Center Technician?

AspectRemote Mainframe OperatorRemote Data Center Technician
CredentialsMainframe certifications, IT experienceNetworking, hardware, and server certifications
Work EnvironmentData centers, mainframe rooms, remote monitoringData centers, server rooms, remote troubleshooting
Industry UsageFinancial, government, large enterprisesTelecom, hosting providers, enterprise IT
Job FocusOperating and monitoring mainframe systemsMaintaining and troubleshooting data center hardware

The Remote Mainframe Operator primarily manages and monitors mainframe systems in enterprise environments, requiring specialized mainframe certifications. In contrast, the Remote Data Center Technician focuses on hardware maintenance and troubleshooting within data centers. Both roles involve remote work and technical skills but differ in their specific systems and industry applications.

What are popular job titles related to Remote Mainframe Operator jobs in Missouri?

For Remote Mainframe Operator jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Remote Mainframe Operator jobs in Missouri look for?

The top searched job categories for Remote Mainframe Operator jobs in Missouri are:

What cities in Missouri are hiring for Remote Mainframe Operator jobs?

Cities in Missouri with the most Remote Mainframe Operator job openings:

Remote Mainframe Operator jobs near you
Infographic showing various Remote Mainframe Operator job openings in Missouri as of August 2026, with employment types broken down into 68% Full Time, 8% Part Time, and 24% Contract. Highlights an 100% Remote job distribution.

Mainframe Developer

Saint Louis, MO • Remote

Stellar IT Solutions LLC
IT Services • 51 - 200 employees
Learn more about Stellar IT Solutions LLCexternal

$50 - $60/hr

Contractor

Posted 18 days ago

Job description

Position: Mainframe Developer (Senior - Security Remediation)

Location: Remote

Duration: 6-12+ Months Contract

Role Overview

We are seeking experienced Senior Mainframe Engineers with deep expertise in legacy banking systems to investigate, understand, and safely remediate security vulnerabilities in production‑critical applications. This role requires strong proficiency in COBOL, CICS, DB2, and z/OS, along with the ability to navigate complex, decades‑old financial systems where stability and accuracy are paramount. The ideal candidate will be a hands‑on engineer who can trace vulnerabilities to their root cause, implement secure fixes, and ensure safe deployment without disrupting mission‑critical banking operations.

Key Responsibilities

  • Investigate and analyze security vulnerabilities within legacy mainframe banking applications.

  • Trace issues to their technical root cause and design secure remediation strategies.

  • Modify and enhance COBOL, CICS, and DB2 codebases while ensuring production stability.

  • Collaborate with security, infrastructure, and application teams to validate fixes.

  • Conduct secure coding reviews and enforce mainframe security best practices.

  • Provide production support for remediation deployments, ensuring minimal disruption.

  • Document remediation steps, secure design patterns, and operational improvements.

  • Contribute to strengthening long‑term resilience of legacy banking systems.

Required Skills

  • Strong expertise in COBOL, JCL, CICS, DB2, z/OS.

  • Deep understanding of mainframe application architecture and legacy banking systems.

  • Hands‑on experience with secure coding practices in mainframe environments.

  • Proven ability to remediate vulnerabilities in production‑critical systems.

  • Strong problem‑solving skills and ability to work independently in high‑stakes environments.

Preferred Skills

  • Experience with large‑scale financial or banking applications.

  • Familiarity with mainframe modernization initiatives.

  • Exposure to secure SDLC practices and vulnerability management frameworks.

  • Strong communication skills to bridge security and engineering teams.