ZipRecruiter

Log In

2

Remote Ibm Mainframe Assembler Jobs (NOW HIRING)

IT America Inc

IBM Mainframe Administrator

Dallas, TX · Remote

Remote (Needs to travel to client site when required with your own expenses) Duration : Long term contract Job Summary: We are seeking an IBM Mainframe Administrator with expertise in data center ...

Conexess Group

Mainframe CICS Engineer - 100% Remote

$50.25 - $64.50/hr

Conexess Group is seeking a detail-oriented CICS Mainframe Engineer to oversee the installation, maintenance, and support of IBM mainframe systems. This role focuses on ensuring efficient operation ...

Sarian, Inc.

Mainframe z/OS Administrator

Mainframe z/OS Administrator Location: Plano TX, Remote Fulltime * Install, customize, test ... Use IBM SMP/e to successfully receive and apply z/OS software and other related software on an IBM ...

MM International

Adabas mainframe

Atlanta, GA · Remote

$50.25 - $64.50/hr

... 100% REMOTE | WEEKEND WORK Responsibilities include: Monitor automation messages for database ... IBM s z/OS Operating system and Tools (ISPF,TSO,SDSF,JCL)?ADABAS database on mainframe (level 8.x.x ...

KeyBank

Mainframe Developer

$80K - $150K/yr

Design, develop, test, and maintain applications on IBM Mainframe (z/OS platform). * Develop and ... Remote

Navtech, Inc.

IBM Z Technical Specialist

$114K/yr

... mainframe) Location : Arlington Heights, IL - (Remote) Duration : Long term Contract The role of ... Assembler, Automation, GDPS, Rexx and CLIST skills Proficient in Security software tools: RACF and ...

Saransh Inc

IBM Sterling Consultant

Princeton, NJ · Remote

Remote - US Required Qualifications: 3-5 experience in SFG/B2B Integrator, Sterling Secure Proxy ... Good experience with IBM mainframe, Windows, and Linux system administration. Working knowledge of ...

next page

Showing results 1-20

All JobsIbm Mainframe Assembler JobsRemote Ibm Mainframe Assembler Jobs

Remote Ibm Mainframe Assembler information

See salary details

$10

$53

$72

How much do remote ibm mainframe assembler jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for remote ibm mainframe assembler in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.

How do Remote IBM Mainframe Assembler professionals typically collaborate with on-site teams and manage communication challenges?

Remote IBM Mainframe Assembler professionals often use a combination of collaboration tools, such as secure chat platforms, video conferencing, and version control systems, to stay connected with on-site teams. Regular virtual meetings and clear documentation are critical for aligning on project goals and resolving issues efficiently. Since mainframe environments can be highly regulated and complex, maintaining strong communication helps ensure code quality and compliance with organizational standards. Proactively reaching out for clarification and participating in code reviews also supports effective teamwork despite the remote setting.

What are the key skills and qualifications needed to thrive as a Remote IBM Mainframe Assembler?

To thrive as a Remote IBM Mainframe Assembler, you need expertise in IBM mainframe environments, strong proficiency in Assembler language programming, and experience with mainframe operating systems like z/OS. Familiarity with tools such as IBM ISPF, JCL, TSO, and debugging utilities, as well as a background in computer science or a related field, are typically required. Attention to detail, problem-solving skills, and effective remote communication make someone stand out in this position. These skills are vital for delivering reliable, efficient legacy system support and enhancements in distributed remote teams.

What is the difference between Remote Ibm Mainframe Assembler vs Remote Cobol Developer?

AspectRemote Ibm Mainframe AssemblerRemote Cobol Developer
Required CredentialsMainframe certifications, assembler language knowledgeCobol certifications, programming skills
Work EnvironmentMainframe systems, legacy environmentsBusiness applications, enterprise systems
Industry UsageBanking, insurance, governmentFinancial services, healthcare, retail
Common Search/ComparisonYesYes

Remote Ibm Mainframe Assembler and Remote Cobol Developer roles both involve working with legacy mainframe systems in similar industries. While assembler focuses on low-level programming for mainframes, Cobol developers work on business application code. Both require specialized certifications and are used in sectors like banking and government. The main difference lies in the programming language and technical focus, but they share many work environment and industry characteristics.

What is a Remote IBM Mainframe Assembler?

Remote IBM Mainframe Assemblers are professionals who specialize in writing, testing, and maintaining assembly language programs for IBM mainframe computer systems while working off-site. They use IBM Assembler languages (such as HLASM) to develop software that interacts directly with the mainframe hardware. These specialists ensure the performance, efficiency, and reliability of critical business applications running on mainframes, supporting industries like banking, insurance, and government. Working remotely, they connect to clients' mainframe systems via secure networks, collaborate with other IT staff, and may also provide troubleshooting and optimization services.
More about Remote Ibm Mainframe Assembler jobs
What cities are hiring for Remote Ibm Mainframe Assembler jobs? Cities with the most Remote Ibm Mainframe Assembler job openings:
What are the most commonly searched types of Ibm Mainframe Assembler jobs? The most popular types of Ibm Mainframe Assembler jobs are:
What states have the most Remote Ibm Mainframe Assembler jobs? States with the most job openings for Remote Ibm Mainframe Assembler jobs include:
What job categories do people searching Remote Ibm Mainframe Assembler jobs look for? The top searched job categories for Remote Ibm Mainframe Assembler jobs are:
Remote Ibm Mainframe Assembler jobs near you
Infographic showing various Remote Ibm Mainframe Assembler job openings in the United States as of August 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 5% In-person, and 95% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

IBM Mainframe Administrator

IT America Inc

Dallas, TX • Remote

Contractor

Re-posted 18 days ago

Job description

Title                      : IBM Mainframe Administrator

Location              : Remote (Needs to travel to client site when required with your own expenses)

Duration              : Long term contract

Job Summary:

We are seeking an IBM Mainframe Administrator with expertise in data center migration, consolidation, and modernization. This role is responsible for planning, executing, and optimizing

mainframe migrations while ensuring high availability, minimal downtime, and data integrity. The ideal candidate will work with cross-functional teams to transition mainframe workloads from on-premise to new data center locations or cloud-hosted mainframes while adhering to industry best practices.

Detailed Job Description

  • System Management: Oversee the installation, configuration, and maintenance of mainframe hardware, software, and operating systems.
  • Performance Monitoring: Monitor system performance and ensure optimal operation by identifying and resolving performance bottlenecks.
  • Security Management: Implement and maintain robust security protocols to protect mainframe systems from unauthorized access and cyber threats.
  • Backup and Recovery: Develop and manage backup and recovery procedures to ensure data integrity and availability in case of system failures.
  • Storage Management: Manage and maintain Mainframe Storage Arrays and File Systems including Virtual Tape systems and subsystems.
  • Problem Resolution: Troubleshoot and resolve technical issues related to mainframe systems, ensuring minimal downtime and disruption to business operations.
  • Capacity Planning: Conduct capacity planning and forecasting to ensure the mainframe environment can handle current and future workloads efficiently.
  • Documentation: Maintain comprehensive documentation of system configurations, procedures, and changes for reference and compliance purposes.
  • Support: Provide technical support and guidance to other IT staff and users regarding mainframe-related issues and queries.

Key Responsibilities

1. Data Center Migration Planning & Execution

  • Lead end-to-end migration of IBM mainframes from legacy data centers to new on-premise or cloud-based environments.
  • Develop mainframe workload migration strategies, including LPAR, data replication, and application transition.
  • Perform impact analysis, risk assessments, and dependency mapping before migration. IBM Mainframe Administrator
  • Implement cutover plans, rollback strategies, and failover testing to minimize downtime.

2. Mainframe Infrastructure Setup & Configuration

  • Configure and optimize IBM zSeries (z/OS, z/VM, z/Linux) environments in the new data center.
  • Manage LPAR provisioning, network segmentation, and workload balancing post-migration.
  • Tune system parameters, workload scheduling, and CPU resource allocation to maintain performance.
  • Ensure successful integration of migrated workloads with existing applications and databases.

3. Storage & Data Migration

  • Perform high-volume data migrations using tools like IBM DataMover, DFSMS, and SRDF/EMC storage replication.
  • Manage tape backup, virtual tape systems (VTS), and storage tiering for migration efficiency.
  • Ensure DB2, IMS, and VSAM databases are securely migrated with minimal data loss.
  • Conduct pre- and post-migration data integrity checks.

4. Network & Security Compliance in Migration

  • Implement mainframe network reconfiguration post-migration (TCP/IP, SNA, VTAM, OSA).
  • Maintain RACF security policies during and after migration to ensure role-based access control (RBAC) compliance.
  • Ensure encryption of in-transit and at-rest data meets regulatory standards (ISO 27001, PCI-DSS, GDPR).
  • Work with security teams to implement firewall rules, VPN access, and multi-factor authentication (MFA) for remote mainframe users.

5. Performance Optimization & Troubleshooting

  • Monitor CPU, memory, and storage utilization before, during, and after migration.
  • Use tools like IBM OMEGAMON, MainView, and Splunk for performance tracking and issue detection.
  • Optimize batch job execution, scheduling, and workload distribution post-migration.
  • Troubleshoot CICS, DB2, MQ Series, and COBOL application performance issues related to migration.

6. Disaster Recovery (DR) & High Availability

  • Implement DR and failover mechanisms in the new data center.
  • Conduct disaster recovery tests (DR drills) and failover validation to ensure business continuity.
  • Integrate mainframe workloads with cloud-based DR solutions (IBM Cloud, AWS, Azure).

7. Documentation & Post-Migration Support

  • Create runbooks, system configuration documentation, and migration reports.
  • Document troubleshooting guides and knowledge base articles for ongoing support.
  • Train internal teams on mainframe operations in the new data center environment.

Qualifications & Experience

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
  • 5+ years of experience in IBM mainframe operations, with 3+ years in data center migration projects.
  • Proven expertise in z/OS, CICS, DB2, IMS, RACF, JCL, and MQ Series.
  • Experience in data migration, workload balancing, and post-migration tuning.IBM Mainframe Administrator Certifications (Preferred but Not Mandatory)
  • IBM Certified System Administrator – z/OS
  • IBM Certified Database Administrator – DB2
  • ITIL Foundation Certification (for change management in migrations)
  • AWS/Azure Certified Cloud Practitioner (if cloud-hosted mainframe migration is required)

Technical Skills

  • Mainframe Platforms: IBM zSeries, z/OS, z/VM, z/Linux
  • Storage & Backup: DFSMS, HSM, SRDF, Tape Backup, VTS, DataMover
  • Networking & Security: TCP/IP, VTAM, OSA, RACF, MFA, Firewall Configurations
  • Database & Applications: DB2, IMS, VSAM, MQ Series, COBOL, JCL
  • Monitoring & Performance: IBM OMEGAMON, MainView, Splunk, CA-7 Job Scheduler
  • Automation & Scripting: REXX, CLIST, Python for mainframe automation

General Skills

  • Strong problem-solving and analytical abilities
  • Excellent communication and documentation skills
  • Ability to work independently and collaborate with multi-disciplinary teams and mentoring junior mainframe engineers