Technical Skills COBOL Legacy application sustainment Mainframe/legacy integration Batch processing Data synchronization Legacy modernization techniques API integration SQL/Oracle Certifications ...
Technical Skills COBOL Legacy application sustainment Mainframe/legacy integration Batch processing Data synchronization Legacy modernization techniques API integration SQL/Oracle Certifications ...
Open-Source Developer
Birmingham, AL · On-site +1
$90K - $139K/yr
... mainframe applications. Minimum Qualifications for GS-14 level: One year of specialized experience equivalent to the GS-13 grade level in the Federal service. Specialized experience is defined as:
Open-Source Developer
Birmingham, AL · On-site +1
$90K - $139K/yr
... mainframe applications. Minimum Qualifications for GS-14 level: One year of specialized experience equivalent to the GS-13 grade level in the Federal service. Specialized experience is defined as:
Oracle, SQL, Neo4J, Mongo (distributed) or DB2, VSAM (mainframe) Streaming/Event Platforms: Kafka Caching/Data Stores: Redis, ESS Operating Systems: Linux/Unix, Windows Server, could include Windows ...
Oracle, SQL, Neo4J, Mongo (distributed) or DB2, VSAM (mainframe) Streaming/Event Platforms: Kafka Caching/Data Stores: Redis, ESS Operating Systems: Linux/Unix, Windows Server, could include Windows ...
Open-Source Developer
Birmingham, AL · On-site +1
$90K - $139K/yr
... mainframe applications. Minimum Qualifications for GS-14 level: One year of specialized experience equivalent to the GS-13 grade level in the Federal service. Specialized experience is defined as:
Open-Source Developer
Birmingham, AL · On-site +1
$90K - $139K/yr
... mainframe applications. Minimum Qualifications for GS-14 level: One year of specialized experience equivalent to the GS-13 grade level in the Federal service. Specialized experience is defined as:
Technical Skills · COBOL · Legacy application sustainment · Mainframe/legacy integration · Batch processing · Data synchronization · Legacy modernization techniques · API integration · SQL ...
Quick apply
Technical Skills · COBOL · Legacy application sustainment · Mainframe/legacy integration · Batch processing · Data synchronization · Legacy modernization techniques · API integration · SQL ...
Technical Skills • COBOL • Legacy application sustainment • Mainframe/legacy integration • Batch processing • Data synchronization • Legacy modernization techniques • API integration ...
Technical Skills • COBOL • Legacy application sustainment • Mainframe/legacy integration • Batch processing • Data synchronization • Legacy modernization techniques • API integration ...
Systems Programmer II
Birmingham, AL · On-site
Motion is a company that focuses on maintaining the integrity, performance, and availability of mainframe, Linux, and AS400 systems software. The Systems Programmer I role involves supporting and ...
Systems Programmer II
Birmingham, AL · On-site
Motion is a company that focuses on maintaining the integrity, performance, and availability of mainframe, Linux, and AS400 systems software. The Systems Programmer I role involves supporting and ...
Senior Legacy Systems Engineer
Montgomery, AL · On-site
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
Senior Legacy Systems Engineer
Montgomery, AL · On-site
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
Senior Legacy Systems Engineer with Security Clearance
Montgomery, AL · On-site
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
Senior Legacy Systems Engineer with Security Clearance
Montgomery, AL · On-site
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
Production Control Analyst
$70K - $102K/yr
Must have a strong working knowledge of O Mainframe Environment O Windows Servers O Linux and UNIX systems O iSeries-AS/400 O Scheduling Tools O Powershell Ensures high level integration of ...
Production Control Analyst
$70K - $102K/yr
Must have a strong working knowledge of O Mainframe Environment O Windows Servers O Linux and UNIX systems O iSeries-AS/400 O Scheduling Tools O Powershell Ensures high level integration of ...
Oracle, SQL, Neo4J, Mongo (distributed) or DB2, VSAM (mainframe) • Streaming/Event Platforms: Kafka • Caching/Data Stores: Redis, ESS • Operating Systems: Linux/Unix, Windows Server, could ...
Oracle, SQL, Neo4J, Mongo (distributed) or DB2, VSAM (mainframe) • Streaming/Event Platforms: Kafka • Caching/Data Stores: Redis, ESS • Operating Systems: Linux/Unix, Windows Server, could ...
Production Control Analyst
$70K - $102K/yr
Greater than 2 years of professional IT experience in an organization with complex, multi-tiered technical solutions including a mainframe. * Minimum of 2 years' experience with a change control ...
Quick apply
Production Control Analyst
$70K - $102K/yr
Greater than 2 years of professional IT experience in an organization with complex, multi-tiered technical solutions including a mainframe. * Minimum of 2 years' experience with a change control ...
Production Control Analyst
Birmingham, AL · On-site
Greater than 2 years of professional IT experience in an organization with complex, multi-tiered technical solutions including a mainframe. * Minimum of 2 years' experience with a change control ...
Production Control Analyst
Birmingham, AL · On-site
Greater than 2 years of professional IT experience in an organization with complex, multi-tiered technical solutions including a mainframe. * Minimum of 2 years' experience with a change control ...
Senior Legacy Systems Engineer
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
Senior Legacy Systems Engineer
$103K - $141K/yr
Experience with COBOL, Legacy application sustainment, Mainframe/legacy integration, Batch processing, Data synchronization, Legacy modernization techniques, API integration, SQL/Oracle * Security ...
... Visio Mainframe experience a plus Additional Information Must be located in Birmingham area or willing to relocate with minimal assistance Not able to sponsor visas Must have outstanding ...
... Visio Mainframe experience a plus Additional Information Must be located in Birmingham area or willing to relocate with minimal assistance Not able to sponsor visas Must have outstanding ...
Cnc Programmer
Jacksonville, AL · On-site
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer
Jacksonville, AL · On-site
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
RN-PRN
Birmingham, AL · On-site
Proficiency with common computer based applications such as electronic mail, word processing and various databases, whether PC, network or mainframe based Must have a successful drug screen and ...
RN-PRN
Birmingham, AL · On-site
Proficiency with common computer based applications such as electronic mail, word processing and various databases, whether PC, network or mainframe based Must have a successful drug screen and ...
Cnc Programmer-Jacksonville,Alabama
Jacksonville, AL · On-site
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer-Jacksonville,Alabama
Jacksonville, AL · On-site
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer-Jacksonville,Alabama
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Cnc Programmer-Jacksonville,Alabama
$24.75 - $34/hr
Manage routings on the Mainframe * Work with Kanbans * Work with vendors to improve tooling * Able to use all quality tools (Comparators, surface analyzers, and gages) * Contribute to HPT and ...
Mainframe information
See Alabama salary details
$9.15 - $14.28
2% of jobs
$14.28 - $19.41
0% of jobs
$19.41 - $24.54
0% of jobs
$24.54 - $29.67
0% of jobs
$29.67 - $34.80
2% of jobs
$34.80 - $39.93
12% of jobs
$42.23 is the 25th percentile. Wages below this are outliers.
$39.93 - $45.06
20% of jobs
The median wage is $47.73 / hr.
$45.06 - $50.19
27% of jobs
$53.88 is the 75th percentile. Wages above this are outliers.
$50.19 - $55.32
17% of jobs
$55.32 - $60.45
12% of jobs
$60.45 - $65.58
9% of jobs
$9
$48
$65
How much do mainframe jobs pay per hour?
What is the average salary for mainframe jobs?
What jobs in the US pay 300,000 a year?
What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?
Is mainframe a good career option?
What Is a Mainframe Application Developer Job Description?
The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.
What are mainframes and what do they do?
What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?
Can AI replace mainframe?
What is the difference between Mainframe vs Mainframe Developer?
| Aspect | Mainframe | Mainframe Developer |
|---|---|---|
| Primary Role | Maintains and manages mainframe hardware and systems | Designs, develops, and tests mainframe applications |
| Skills & Certifications | Knowledge of mainframe hardware, OS, and basic scripting | Proficiency in COBOL, JCL, and mainframe programming languages |
| Work Environment | Data centers, enterprise IT departments | Development teams within mainframe environments |
| Industry Usage | Used by organizations with legacy systems | Develops and maintains those legacy systems |
While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

Senior Legacy Systems Engineer (COBOL Modernization)
Montgomery, AL • On-site
Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Re-posted 12 days ago
Job description
Provides technical leadership for sustainment, refactoring, coexistence management, and modernization of legacy IMDS/IMDS-MSM components and associated enterprise workflows. This role supports analysis, decomposition, refactoring, and incremental modernization of legacy application capabilities while preserving operational stability, synchronization integrity, maintenance history continuity, and mission-critical sustainment workflows.
The Senior Legacy Systems Engineer evaluates modernization candidates, identifies modernization sequencing risks, supports API modernization, validates coexistence between legacy and modernized components, and assists with migration of tightly coupled legacy workflows into modern architectures where operationally appropriate. This role works closely with the System Architect, Enterprise Integration Lead, Product Owners, DevSecOps Platform Lead, and Functional SMEs to ensure modernization activities do not disrupt maintenance scheduling, discrepancy management, disconnected operations synchronization, personnel qualification tracking, or operational reporting.
The Senior Legacy Systems Engineer also supports technical debt analysis, modernization risk assessments, data integrity validation, and rollback planning during modernization execution.
Requirements
Must possess DoD Secret Clearance.
Technical SkillsCOBOL
Legacy application sustainment
Mainframe/legacy integration
Batch processing
Data synchronization
Legacy modernization techniques
API integration
SQL/Oracle
CertificationsPreferred:
Security+
EducationBachelor's degree or equivalent experience.
Experience10+ years legacy application support.
Experience modernizing legacy enterprise applications.
Experience supporting mission-critical operational systems.
Benefits
- Health Care Plan (Medical, Dental & Vision)
- Retirement Plan (401k)
- Life Insurance (Basic, Voluntary & AD&D)
- Paid Time Off (Vacation, Sick & Public Holidays)
- Short Term & Long Term Disability
About American Operations
Sourced by ZipRecruiter
Industry
Business management consulting
Company size
201 - 500 Employees
Headquarters location
Chantilly, VA, US
Year founded
1983