IT Infrastructure Manager (Mainframe Systems)

Yablon & Associates LLC; New York (NY); On-site; USD 75,000 - 180,000; Full time

Job summary

Yablon & Associates LLC in New York City is seeking an IT Infrastructure Manager to lead the Mainframe Systems team, overseeing z/OS, storage, and performance. This leadership role focuses on day-to-day operations, DR planning, capacity forecasting, and strategic hardware/software upgrades.

The ideal candidate has 20+ years of large-scale infrastructure experience, a Bachelor's degree in CS or related field, and the ability to provide off-hours support for upgrades and incidents.

Qualifications

• Bachelor's degree in CS, Eng, or related field.
• 20+ years of experience managing infrastructure in large-scale environments.
• Deep expertise in IBM mainframe z/OS and related subsystems.

Responsibilities

• Lead Mainframe team in z/OS administration, performance management, and hardware configuration.
• Oversee DR solutions, monitoring, and capacity planning on daily/monthly/yearly cycles.
• Develop and manage project plans for hardware/software upgrades and cost reductions.
• Mentor staff to meet timelines and ensure documentation is up to date.
• Coordinate with vendors for capacity, procurement, and maintenance schedules.

Skills

Leadership

Team management

Education

Bachelor's degree in Computer Science or related field

Tools

IBM mainframe z/OS

AIX/Linux/Unix

Job description

New York City, NY

Job Title: IT Infrastructure Manager (Mainframe Systems)

Salary Range: $75,000 – $180,000 annually (based on experience)

Location: Fully on-site – New York, NY

Work Schedule: 35 Hours Weekly (Day Shift) and 24/7 Availability for critical incidents

Job Summary

We are seeking a highly motivated and seasoned IT Infrastructure Manager to oversee our Mainframe Systems team within the Shared Systems Division. In this leadership role, you will manage day-to-day operations for the IBM mainframe computer system, including program products, subsystems, and storage. You will be responsible for task assignments, performance management, and setting strategic goals for the team.

Key Responsibilities

• Lead the Mainframe team in z/OS administration, performance management, and hardware configuration.
• Oversee daily operations, ensure robust monitoring, and lead disaster recovery (DR) solutions.
• Research and implement strategic mainframe technologies to ensure systems meet high-availability SLAs.
• Analyze performance data and perform comprehensive daily, monthly, and yearly capacity planning.
• Develop and manage project plans for large and small-scale hardware and software upgrades.
• Mentor the team to ensure projects are completed within strict timelines.
• Maintain current software versions and manage maintenance schedules.
• Act as the primary liaison for hardware and software vendors regarding capacity and procurement.
• Evaluate emerging technologies to match organizational needs.
• Author and manage all technical documentation and procedural manuals for mainframe systems.
• Develop long-term financial plans for hardware/software life cycles, including end-of-life replacements and consolidation initiatives for cost reduction.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 4+ years of experience in datacenter engineering, cloud engineering, or complex IT.
• 20+ years of experience managing infrastructure in large-scale environments.
• Deep expertise in IBM mainframe z/OS (operating systems, control, structure, and security).
  • Note: Candidates with exceptionally strong experience in AIX/Linux/Unix systems and enterprise storage will also be considered.
• Work Authorization: Candidates must be authorized to work in the US (Citizens, Green Card holders, or those with a valid Work Authorization visa). We do not provide sponsorship for H1B or Canadian work visas.
• Availability: Must be able to provide off-hours coverage for scheduled upgrades and participate in 24/7 troubleshooting for critical production incidents.

4+ years of experience in datacenter engineering, cloud engineering, or complex IT.20+ years of experience managing infrastructure in large-scale environments.Deep expertise in IBM mainframe z/OS