Key skills
- COBOL, PL/I, and Assembler programming
- Mainframe operating systems (z/OS, z/VM, z/VSE)
- CICS, IMS, and transaction server management
- Storage and performance tuning (DASD, tape systems)
- Capacity planning and system monitoring
- Batch job scheduling and automation
- Problem diagnosis and troubleshooting
Frequently asked questions
What do Mainframe Systems Engineers do day-to-day?
Mainframe Systems Engineers maintain, monitor, and optimize mainframe systems that process mission-critical business transactions. They manage system availability, performance tuning, capacity planning, batch job scheduling, security patches, and storage management. They troubleshoot production issues, coordinate with applications teams, and implement system upgrades to ensure 24/7 uptime for core enterprise workloads.
What certifications or experience level is typical for this role?
Most positions require 3-7 years of hands-on mainframe systems experience. Many candidates hold IBM certifications such as Certified Mainframe Systems Expert or Certified Systems Programmer. Experience with z/OS, CICS, batch processing, and storage management is standard. Some roles prefer exposure to automation tools and scripting alongside traditional mainframe administration.
Why should we hire through a staffing firm for this role?
Mainframe skills are in high demand and short supply, especially among experienced engineers. ECLARO maintains relationships with proven mainframe talent and handles sourcing, vetting, and placement logistics, saving your team weeks of recruiting. We can also provide flexible contract or direct-hire options to match your timeline and project needs.
What industries most commonly hire Mainframe Systems Engineers?
Banking and financial services, insurance, healthcare, government, and large retail enterprises rely heavily on mainframe systems. These sectors typically operate mission-critical transactions that cannot tolerate downtime, making skilled mainframe engineers essential to their operations.
Ways to hire through ECLARO
ECLARO can fill this role through contract or contract-to-hire staffing, direct placement, an Employer of Record (EOR), recruitment process outsourcing (RPO), or a dedicated offshore team in the Philippines (ECAPTIVE).