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Mainframes Developer Jobs in Missouri (NOW HIRING)

Lancesoft

Linux Systems Administrator

Kansas City, MO · On-site

$37.88 - $45.45/hr

BA / BS degree in (Please choose Computer Science, Management Information Systems, Engineering, or ... Background supporting mainframe-to-cloud lift-and-shift migrations. * Comfort with COBOL, JCL, and ...

TEKsystems

Linux Administrator

Kansas City, MO

$50 - $60/hr

... mainframe environment to a modern Linux-based cloud platform. This role is focused on systems ... Familiarity supporting Rocket Enterprise Developer environments. * Experience deploying and ...

TEKsystems

Linux Administrator

Kansas City, MO

$50 - $60/hr

... mainframe environment to a modern Linux-based cloud platform. This role is focused on systems ... Familiarity supporting Rocket Enterprise Developer environments. * Experience deploying and ...

Walmart

(USA) Director, Software Engineering

Anderson, MO · On-site

$130K - $260K/yr

Drives modernization from legacy INFOR mainframe systems to SAP and cloud-native architectures ... Strong background in data governance, security, DevOps, CI/CD, and cloud platforms. * Effective ...

Walmart

(USA) Director, Software Engineering

Noel, MO · On-site

$130K - $260K/yr

Drives modernization from legacy INFOR mainframe systems to SAP and cloud-native architectures ... Strong background in data governance, security, DevOps, CI/CD, and cloud platforms. * Effective ...

Walmart

(USA) Director, Software Engineering

Cassville, MO · On-site

$130K - $260K/yr

Drives modernization from legacy INFOR mainframe systems to SAP and cloud-native architectures ... Strong background in data governance, security, DevOps, CI/CD, and cloud platforms. * Effective ...

Mastercard

BizOps Engineer II - Mastercard

O Fallon, MO · On-site

... Mainframe application, migration of linux servers and lead Mastercard in DevOps automation and best practices. • Are you a born problem solver who loves to figure out how something works? • Do ...

Wipro Limited

L2 Engagement Leader

Saint Louis, MO · On-site

$80K - $158K/yr

Leveraging our holistic portfolio of capabilities in consulting, design, engineering, and ... CA7, Autosys, Control-M (familiarity with at least two). • Mainframe environment: JCL, COBOL, DB2 ...

Infojini Inc

DB2 Administrator

Saint Louis, MO · On-site

... Engineering, Business, or other related discipline. At least 7 years of overall database related work experience. DB2 Database experience Mainframe experience Database Definition Language (DDL) Be ...

Walmart

Software Engineer III - Mainframe

Cassville, MO · On-site

$90K - $180K/yr

Hands-on experience with DevOps tools, CI/CD Pipelines, Terraform, Kubernetes, Docker. * Software performance optimization experience (container sizing, memory usage, CPU, scaling, etc) * Experience ...

Walmart

Software Engineer III - Mainframe

Noel, MO · On-site

$90K - $180K/yr

Hands-on experience with DevOps tools, CI/CD Pipelines, Terraform, Kubernetes, Docker. * Software performance optimization experience (container sizing, memory usage, CPU, scaling, etc) * Experience ...

Walmart

Software Engineer III - Mainframe

Anderson, MO · On-site

$90K - $180K/yr

Hands-on experience with DevOps tools, CI/CD Pipelines, Terraform, Kubernetes, Docker. * Software performance optimization experience (container sizing, memory usage, CPU, scaling, etc) * Experience ...

Atria Group LLC

Mainframe Tech Lead

O Fallon, MO

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

NCR Voyix

Field Service Technician

Grain Valley, MO · On-site

$19 - $21/hr

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Familiarity with large servers, mainframe computers, and imaging software. * A+ Certification ...

NCR Voyix

Field Service Technician I

Kansas City, MO · On-site

$19 - $21/hr

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Familiarity with large servers, mainframe computers, and imaging software. * A+ Certification ...

NCR Voyix

Field Service Technician

Jefferson City, MO · On-site

$19 - $21/hr

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Familiarity with large servers, mainframe computers, and imaging software. * A+ Certification ...

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Mainframes Developer information

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in Missouri? For Mainframes Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Missouri look for? The top searched job categories for Mainframes Developer jobs in Missouri are:
Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Missouri as of July 2026, with employment types broken down into 49% Full Time, and 51% Contract. Highlights an 88% In-person, 2% Hybrid, and 10% Remote job distribution.
Linux Systems Administrator

Linux Systems Administrator

Lancesoft

Kansas City, MO • On-site

$37.88 - $45.45/hr

Temporary

Posted 5 days ago

Job description


Summary of Qualifications:
  • BA / BS degree in (Please choose Computer Science, Management Information Systems, Engineering, or related discipline) preferred or 6-8 years of equivalent work experience in related technical disciplines.
  • Advanced degree a plus.
  • The minimum years of experience may be reduced for a candidate who has previously and continuously demonstrated highly effective performance.
  • Expertise with Microsoft Office tools, including Excel, PowerPoint, Access and Word.
  • SAP a plus.
  • In depth understanding of applicable products and/or services and of client needs and expectations
Required Skills & Experience:
  • 5+ years of Linux server administration (Red Hat and SUSE), including command-line, patching, upgrades, and software install/deploy capabilities.
  • Hands-on experience with Rocket Enterprise Server (formerly Micro Focus) - administering the platform that hosts COBOL workloads on Linux.
  • Exposure to Rocket Enterprise Developer (sufficient familiarity to support the environment, even though the role is admin-focused).
  • AWS experience - solid understanding of operating Linux workloads in an AWS environment.
  • Strong, independently motivated approach to maintaining systems, documenting environments, and problem-solving.
  • Demonstrated strong written and verbal communication skills.
Additional experience a bonus:
  • DB2 and Teradata interface experience.
  • Background supporting mainframe-to-cloud lift-and-shift migrations.
  • Comfort with COBOL, JCL, and control cards in a modernized Linux context.

Meet Your Recruiter
Khushboo Rajauriya
LanceSoft logo

About LanceSoft

Sourced by ZipRecruiter

Established in 2000, LanceSoft is a Certified MBE and Woman-Owned organization. Lancesoft Inc. is one of the highest rated companies in the industry. We have been recognized as one of the Largest Staffing firms and ranked in the top 50 fastest Growing Healthcare Staffing firms in 2022. Lancesoft offers short- and long-term contracts, permanent placements, and travel opportunities to credentialed and experienced professionals throughout the United States. We pride ourselves on having industry leading benefits. We understand the importance of partnering with an expert who values your needs, which is why we're 100% committed to finding you an assignment that best matches your career and lifestyle goals. Our team of experienced career specialists takes the time to understand your needs and match you with the right job Lancesoft has been chosen by Staffing Industry Analysts as one of the Best Staffing Firms to Work for.LanceSoft specializes in providing Registered Nurses, Nurse Practitioners, LPNs/LVNs, Social Workers, Medical Assistants, and Certified Nursing Assistants to work in Acute Care Centers, Skilled Nursing Facilities, Long-Term Care centers, Rehab Facilities, Behavioral Health Centers, Drug & Alcohol Facilities, Home Health & Community Health, Urgent Care Clinics, and many other provider-based facilities.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Herndon, VA, US

Year founded

2000

Social media

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