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Mainframe System / Network Architect (z/OS)

Role overview

Qualifications

  • z/OS Architecture - Sysplex Integration
  • Mainframe Networking (SNA, VTAM, TCP/IP, OSA, OSPF)
  • Mainframe Infrastructure - Performance Engineering
  • 10+ Years of Experience

Responsibilities

  • Manage and support Mainframe Networking Protocols: SNA, VTAM, TCP/IP
  • Configure and maintain OSA (Open System Adapter) networking interfaces
  • Strong understanding of Enterprise Network Infrastructure and Security
  • Manage z/OS network communications, connectivity, and performance optimization

About the company

ICONMA logo

ICONMA

Management Consulting

We provide Professional Staffing Services & Project-Based Solutions for a broad range of Fortune 500 organizations. ICONMA is a certified Woman-Owned staffing company and was founded in 2000. ICONMA’s corporate headquarters is in Troy, Michigan, and has 15+ locations worldwide. What makes ICONMA stand out in a fiercely competitive industry? *We provide integrated, full lifecycle services across a broad range of business and technical platforms. *No single company can duplicate our full range of staffing and permanent recruiting services nationwide. *Proven track record of attracting and retaining exceedingly skilled professional workers in a highly competitive market. SERVICES OFFERED Staff Augmentation (Contract, Contract to Hire, Direct Hire, Single Source) Data Analysis Project-Based Services & Solutions Hire Train Deploy Service Model Offshore Staff Augmentation Payroll Services AREAS OF EXPERTISE - Information Technology - Engineering - Business Professional - Accounting/Finance - Admin/Clerical/Call Center - Healthcare/Clinical/Scientific - Marketing/Creative mail linkedin@iconma.com Phone (888) 451-2519 Website http://www.iconma.com

Company details

Company typeLarge
IndustryManagement Consulting
Company size1001 - 5000

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Job description

Our client, a IT Services and Consulting company, is looking for a Mainframe System / Network Architect (z/OS) for their Remote location.
 
Responsibilities:

  • Mainframe Networking & Infrastructure:
  • Manage and support Mainframe Networking Protocols: SNA, VTAM, TCP/IP
  • Configure and maintain OSA (Open System Adapter) networking interfaces
  • Strong understanding of Enterprise Network Infrastructure and Security
  • Knowledge of routing protocols such as Open Shortest Path First (OSPF)
  • Manage z/OS network communications, connectivity, and performance optimization
  • System Programming & Architecture Skills:
  • 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
  • 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
 
Requirements:
  • z/OS Architecture & Sysplex Integration
  • Mainframe Networking (SNA, VTAM, TCP/IP, OSA, OSPF)
  • Mainframe Infrastructure & Performance Engineering
  • Years of Experience:   10.00+ Years of Experience
 
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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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