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Overnight Remote Mainframe Developer Jobs in Missouri

S2Tech

Mainframe Developer (Remote)

Chesterfield, MO · On-site +1

$48.50 - $62.25/hr

Mainframe Developer Location: Remote About Us : Known for "Delighting the Client" through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company ...

Catapult Solutions Group

Senior System Engineer

Monett, MO · On-site +1

$90K - $124K/yr

... overnight travel required. Call-to-Action Ready to bring your systems and network engineering expertise to a high-impact, fast-paced environment? Apply now to be considered for this fully remote ...

TEKsystems

Programmer Analyst

Kansas City, MO · Remote

$30 - $35/hr

... mainframe environments and the ability to read COBOL code. · Programming/software engineering ... remote position. Application Deadline This position is anticipated to close on Aug 18, 2026. About ...

JARBO

Controls Engineer

Kansas City, MO · On-site +1

$77K - $99K/yr

Perform on-site and remote commissioning, startup, troubleshooting, system testing, and operator ... Up to 20% overnight travel for project commissioning, troubleshooting, training, and customer ...

JARBO

Controls Engineer

Kansas City, MO · On-site +1

$77K - $99K/yr

Perform on-site and remote commissioning, startup, troubleshooting, system testing, and operator ... Up to 20% overnight travel for project commissioning, troubleshooting, training, and customer ...

JARBO

Controls Engineer

Kansas City, MO · On-site +1

$77K - $99K/yr

Perform on-site and remote commissioning, startup, troubleshooting, system testing, and operator ... Up to 20% overnight travel for project commissioning, troubleshooting, training, and customer ...

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Stefanini Group

Security Engineer

Kansas City, MO · Remote

This Engineer uses technology to improve, streamline and automate information technology systems ... Occasional travel including overnight stays may be necessary. #LI-VS1 #LI-REMOTE Education:

Cogent, Inc

Control Systems Engineer

Fenton, MO · On-site +1

Conduct on-site or remote system commissioning, testing, and operator training. * Assist with ... 20% overnight travel for commissioning, training, or project support as needed. Minimum ...

KEYENCE

Field Application Engineer '27

Kansas City, MO · On-site +1

$53K - $80K/yr

Provide on-call, on-site and remote technical support, training, and troubleshooting * Travel ... Willingness to travel (60-100%), including overnight * Valid driver's license and personal vehicle

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Overnight Remote Mainframe Developer information

What are some common challenges faced by overnight remote mainframe developers, and how can they be managed effectively?

Overnight remote mainframe developers often encounter challenges such as limited real-time support from colleagues, managing critical system updates during off-hours, and maintaining clear communication with daytime teams. To manage these challenges effectively, it's important to establish robust documentation practices, use collaboration tools for handovers, and proactively communicate any issues or changes. Additionally, creating a structured work routine and setting clear boundaries can help maintain work-life balance despite the unconventional hours.

What is an overnight remote mainframe developer?

An Overnight Remote Mainframe Developer is a software professional who specializes in maintaining, updating, and troubleshooting mainframe systems during overnight hours, typically from a remote location. Mainframes are large, powerful computers used by organizations for critical applications, such as bulk data processing or enterprise resource planning. Working overnight ensures that essential maintenance and updates can occur with minimal disruption to daytime business operations. Remote work allows these developers to perform their duties from anywhere, using secure access to the organization's mainframe systems.

What is the difference between Overnight Remote Mainframe Developer vs Overnight Remote COBOL Programmer?

AspectOvernight Remote Mainframe DeveloperOvernight Remote COBOL Programmer
CredentialsMainframe certifications, programming skillsCOBOL certifications, programming skills
Work EnvironmentRemote, mainframe systemsRemote, mainframe systems
Industry UsageFinancial, insurance, governmentFinancial, insurance, government
Job FocusDeveloping and maintaining mainframe applicationsWriting and debugging COBOL code

Both roles involve working remotely on mainframe systems within similar industries. The main difference is that the Mainframe Developer focuses on developing and maintaining applications, while the COBOL Programmer specializes in coding and debugging COBOL programs. Candidates should have relevant certifications and experience in mainframe environments for both roles.

What are the key skills and qualifications needed to thrive as an overnight remote mainframe developer?

To thrive as an Overnight Remote Mainframe Developer, you need expertise in mainframe programming languages (like COBOL, JCL, or PL/I), experience with legacy systems, and often a degree in computer science or a related field. Familiarity with mainframe tools such as IBM z/OS, TSO/ISPF, and database systems like DB2, as well as knowledge of version control systems, is typically required. Strong problem-solving abilities, attention to detail, and effective remote communication skills help you excel in this role. These skills ensure reliable operation and maintenance of critical legacy systems during off-hours, minimizing downtime and supporting continuous business operations.

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

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

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

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What cities in Missouri are hiring for Overnight Remote Mainframe Developer jobs?

Cities in Missouri with the most Overnight Remote Mainframe Developer job openings:

Overnight Remote Mainframe Developer jobs near you

Mainframe Developer

Stellar IT Solutions LLC

Saint Louis, MO • Remote

$50 - $60/hr

Contractor

Posted yesterday

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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.