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Mainframes Developer Jobs in Houston, TX (NOW HIRING)

Total Safety Us

Electronics Technician

La Porte, TX

... systems, engineered systems design, and materials management. Our Core Values are People, Safety ... Ability to use RentalMan or similar AS400 mainframe-based computer system. * Ability to diagnose ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter ... WHAT WE DO Celeros Flow Technology is helping to engineer a more sustainable future by developing ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter ... WHAT WE DO Celeros Flow Technology is helping to engineer a more sustainable future by developing ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter ... WHAT WE DO Celeros Flow Technology is helping to engineer a more sustainable future by developing ...

Celeros Flow Technology

Manual Machinist

Houston, TX

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter ... WHAT WE DO Celeros Flow Technology is helping to engineer a more sustainable future by developing ...

Total Safety

Electronics Technician

La Porte, TX · On-site

... systems, engineered systems design, and materials management. Our Core Values are People, Safety ... Ability to use RentalMan or similar AS400 mainframe-based computer system. * Ability to diagnose ...

Accenture

Enterprise Technology Architect

Houston, TX · On-site

$94K - $266K/yr

... Engineering, Agentic AI, DevSecOps, Cloud platforms, Integration platforms, enterprise applications such as Salesforce and SAP and, why not, even Cobol and mainframe. You are interested in solving ...

ONEOK

Scheduler - Senior

Houston, TX · On-site

Bachelor's Degree in engineering, business administration, or accounting with job related ... Experience in use and function of office equipment including mainframe applications and ...

ONEOK, Inc

Scheduler - Senior

Houston, TX · On-site

Bachelor's Degree in engineering, business administration, or accounting with job related ... Experience in use and function of office equipment including mainframe applications and ...

Team1Medical

Director of Clinical Solutions

Houston, TX · Hybrid

$85 - $90/hr

Working knowledge of enterprise computing strategies, including mainframe, minicomputer, and microcomputer systems * Advanced application programming knowledge and familiarity with development tools ...

Mainframe Solutions

Civil Estimator

Houston, TX · On-site

$100K - $130K/yr

Develop and maintain relationships with general contractors, owners, developers, municipalities, counties, and utility contacts to support business development and bid coverage. * Support the ...

Mainframe Solutions

Civil Estimator

Houston, TX · On-site

$120K - $130K/yr

Develop and maintain relationships with general contractors, owners, developers, municipalities, counties, and utility contacts to support business development and bid coverage.Support the expansion ...

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Showing results 41-57

All JobsMainframes Developer JobsMainframes Developer Jobs in Houston, TX

Mainframes Developer information

See Houston, TX salary details

$45.8K

$106.8K

$158.5K

How much do mainframes developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for mainframes developer in Houston, TX is $106,809.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,900.00 and $124,100.00 per year, depending on experience, location, and employer.

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.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Houston, TX?

For Mainframes Developer jobs in Houston, TX, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Houston, TX look for?

The top searched job categories for Mainframes Developer jobs in Houston, TX are:

What cities near Houston, TX are hiring for Mainframes Developer jobs?

Cities near Houston, TX with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Houston, TX as of August 2026, with employment types broken down into 82% Full Time, 5% Part Time, and 13% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $106,809 per year, or $51.4 per hour.

Transformation IT Project Manager - Architecture and Migration

Engineers and Constructors International Inc.

Houston, TX • On-site

$86 - $135/hr

Contractor

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

Job description

Join the ECI Group's Professional Technical Services Network as a contract Transformation IT Project Manager - Architecture and Migration.  This is a Houston based contract role with an anticipated 6-month duration with an estimated start date of July 1st.  Note: You must be a US Citizen or Permanent US Resident to qualify for this position. 
The Lease Purchase System (LPS) is a core legacy trading system used primarily in US Products/Crude contexts to manage lease-based purchases and related financial processing.  The LPS is the system of record for managing Shell's US lease purchases, handling commercial, contractual and financial aspects of leased supply.  What LPS actually does (business‑wise)
  • LPS supports high‑value, high‑volume commercial activity, including:
  • Deal and contract entry for lease‑based purchases
  • Contract generation and maintenance
  • Pricing and run‑ticket processing
  • Division‑of‑interest (DOI) master data management
  • Payments and reporting, including 1099 tax reporting
  • SOX‑critical controls around contract and payment data
LPS is:
  • A large IBM mainframe application (z/OS)
  • Written mainly in COBOL/TELON, with DB2 and VSAM
  • ~5 million lines of code
  • Integrated with Endur, MCC, and other downstream systems
  • Costly to run and increasingly constrained by:
  • Mainframe capacity limits
  • Emulator and licence costs
  • Integration complexity
  • Difficulty evolving logic (some logic has already "escaped" into Access / spreadsheets)
Roles and Responsibilities:
  • Agree and deliver programs, projects and workstreams to agreed time, cost, quality, risk and benefit, within Shell's standards and controls framework.
  • Proactively analyze variances against plan and trends threatening agreed scope, time, cost, and quality commitments.
  • Identify where a project may be at risk and take appropriate action.
  • Engage internal and external stakeholders e.g. users/customers/suppliers to benefit from the delivered products, services and changes.
  • Develop and execute appropriate change and engagement plans to achieve necessary behaviour changes and maximize benefits.
  • Align expectations and ensure that stakeholders decisions are a timely and effective.
  • Mobilize and lead teams with a mixture of staff and suppliers across organizational boundaries and the natural team.
  • Ensure they have the necessary skills, capacity and experience to achieve the required outcomes.
  • Develop the skills of team members through coaching, delegation and providing stretching assignments.
  • Understand, assess and embed the right delivery methodologies, considering project and business constraints.
  • Assess program risks and evaluate trade-offs between cost, time, quality, risk and benefit, managing the business cases of your projects and workstreams.
  • Ensure all deliverables are fit for purpose, meet all relevant requirements and are effectively transitioned to support and business-as-usual.
  • Ensure that the business value intended by the work is explicit, agreed and delivered.
Mandatory skills:
  • Program and project delivery up to $10m budget & Teams up to 50.
  • Agile & waterfall methodology.
  • Domain knowledge e.g. Chemicals, Deepwater, Retail, Finance, Legal, HR. Cloud, mobile, SAS, and digital. leadership, communication and resilience. stakeholder management, and enabling value creation.

Optional skills:
  • Business-value mindset, critical thinking, storytelling
Please Note: The ECI Group uses AI-assisted tools in the early stages of application review, with all decisions guided by human oversight and fully compliant with General Data Protection Regulation (GDPR) and ECI Group's applicable data protection policies and Privacy Notice.

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