Mainframe Systems Engineer - Capacity Planning - 100% Remote

Mainframe Systems Engineer (Capacity Planning Focus)

United States - 100% Remote

About the Role:

We are seeking a Mainframe Systems Engineer with expertise in capacity planning and performance optimization to join our team. This role will focus on managing mainframe workload utilization, forecasting capacity needs, and ensuring system efficiency. The ideal candidate will be responsible for analyzing trends, producing performance reports, and proactively optimizing system resources to support business objectives.

While the primary focus will be capacity planning, the broader mainframe environment includes z/OS, z/VM, z/Linux, CICS, DB2, MQ, storage management, automation, and networking. Candidates with a strong background in mainframe performance tuning, resource management, and reporting are encouraged to apply.

Key Responsibilities:

Primary Focus: Capacity Planning & Performance Optimization

• Monitor and analyze mainframe workload utilization and performance trends.
• Develop and maintain capacity and performance reports for system resource planning.
• Forecast future workload demands and recommend proactive system adjustments.
• Identify and implement efficiency improvements to optimize mainframe resource usage.
• Collaborate with infrastructure teams to ensure scalability and system reliability.
  
  

Mainframe System & Infrastructure Overview (Secondary Involvement)

• Work closely with teams managing z/OS, z/VM, z/Linux, CICS, DB2, and MQ.
• Support initiatives that impact storage, networking, and system automation.
• Provide insights into how capacity planning affects disaster recovery, system resiliency, and workload balancing.
• Assist in performance tuning across middleware, databases, and transaction processing.
  
  

Technical Environment:

• Operating Systems: IBM z/OS, z/VM, z/Linux
• Middleware & Databases: CICS, DB2, MQ (Mainframe & Distributed)
• Storage & Capacity Planning: IBM DASD, VTS, GDPS Global Metro Mirror
• Automation & Networking: IBM System Automation, Connect:Direct, IBM PAGENT, SuperSession
• Security & Protocols: RACF, TCP/IP, SMTP, FTP, SMS, Infoprint, TLS
  
  

Qualifications & Experience:

• 5-10 years of experience in mainframe systems engineering, with a strong focus on capacity planning.
• Proven expertise in performance monitoring, workload analysis, and system tuning.
• Experience with IBM mainframe capacity planning tools and reporting solutions.
• Strong understanding of workload balancing, system scalability, and future capacity forecasting.
• Familiarity with storage management, network performance, and automation strategies.
• Ability to analyze trends, identify bottlenecks, and recommend proactive solutions.
• Strong problem-solving skills and ability to collaborate across teams.
  
  

Preferred Certifications:

• IBM Certified Specialist – Capacity Planning & Performance Management
• ITIL Certification or relevant industry certifications
• Experience with GDPS, IBM Workload Manager (WLM), and RMF (Resource Measurement Facility)
  
  

Why Join Us?

• Work in a critical role optimizing mainframe performance and resource efficiency.
• Be part of a team managing mission-critical infrastructure in a high-performance IT organization.
• Competitive salary, benefits, and career growth opportunities.
  
  

If you are an experienced Mainframe Systems Engineer with a specialization in capacity planning, we'd love to hear from you!