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[Remote] Mainframe System / Network Architect (z/OS)

Remote · Peru Full-time

Note: The job is a remote job and is open to candidates in USA. ICONMA is recruiting for a confidential IT services and consulting client. The Mainframe System / Network Architect will design, maintain, and optimize z/OS systems and network architecture while supporting upgrades, security, reliability, and production stability.

Responsibilities

  • Manage and support Mainframe Networking Protocols: SNA, VTAM, TCP/IP
  • Configure and maintain OSA (Open System Adapter) networking interfaces
  • Manage z/OS network communications, connectivity, and performance optimization
  • Lead installation, configuration, and upgrading of z/OS environments across development and production systems
  • Design and manage z/OS architecture, Sysplex integration, and CFRM policies
  • Handle hardware and software upgrade projects, including datacenter migration and exit planning
  • Perform performance analysis, tuning, capacity planning, and workload management (WLM)
  • Monitor system software access, performance, and resource utilization
  • Manage and maintain z/OS, JES3 environments and ISV software
  • Work closely with application teams to ensure production stability and issue resolution
  • Define and enforce security, access control, and software usage policies
  • Implement and validate backup, recovery, and disaster recovery (DR) procedures
  • Ensure high availability, system reliability, and environment stability
  • Support incident/problem determination and resolution within SLA timelines
  • Provide technical leadership, mentoring, and guidance to teams

Skills

  • 12.00 Years of Experience
  • Strong understanding of Enterprise Network Infrastructure and Security
  • Knowledge of routing protocols such as Open Shortest Path First (OSPF)
  • Strong experience in z/OS System Programming and System z architecture
  • Expertise in Sysplex configuration, LPAR management, and system integration
  • Hands-on with SMP/E, IOCP, HCD, PARMLIB, and system configurations
  • Install and maintain z/OS releases, RSU maintenance, and ISV products
  • Knowledge of JCL, utilities, batch and online processing environments

Benefits

  • Health Benefits
  • Referral Program
  • Excellent growth and advancement opportunities
  • Remote location

Company Overview

  • ABOUT ICONMA provides Professional Staffing Services & Project-Based Solutions for a broad range of Fortune 500 organizations. It was founded in 2000, and is headquartered in Troy, Michigan, USA, with a workforce of 1001-5000 employees. Its website is http://www.iconma.com.
  • Company H1B Sponsorship

  • ICONMA has a track record of offering H1B sponsorships, with 22 in 2026, 34 in 2025, 31 in 2024, 26 in 2023, 39 in 2022, 37 in 2021, 69 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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