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Mainframe Network Engineer (W2 Only)Resource Innovative Technologies LLC • Phoenix, Arizona, United States
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Mainframe Network Engineer (W2 Only)

Resource Innovative Technologies LLC
  • US
    Phoenix, Arizona, United States
  • US
    Phoenix, Arizona, United States
Apply Now

About

Job Overview Location: Phoenix, AZ Metro Area (Hybrid) Job Type: W2 Contract Job Description We are seeking an experienced Mainframe Network Engineer to support and maintain enterprise‑level mainframe network infrastructure in a hybrid working environment. The ideal candidate will have strong expertise in mainframe networking technologies, TCP/IP configuration, VTAM, and z/OS systems administration. This role requires collaboration with infrastructure, security, and application teams to ensure high availability, performance, and reliability of mainframe network services. Key Responsibilities Design, configure, implement, and support mainframe network infrastructure. Manage and troubleshoot TCP/IP, VTAM, and SNA network environments on IBM z/OS systems. Monitor network performance and resolve connectivity, latency, and communication issues. Support mainframe connectivity with distributed systems and enterprise applications. Perform network configuration changes, upgrades, patching, and system maintenance activities. Analyze system logs, network traces, and performance metrics for issue resolution. Work closely with security teams to implement and maintain network security standards and compliance requirements. Support disaster recovery, business continuity, and high‑availability initiatives. Create and maintain technical documentation, operational procedures, and architecture diagrams. Participate in on‑call support and production issue resolution when required. Collaborate with cross‑functional teams including infrastructure, middleware, and application support teams. Required Qualifications 8 years of experience in Mainframe Network Engineering or Mainframe Systems Administration. Strong hands‑on experience with IBM z/OS environments. Expertise in TCP/IP, VTAM, SNA, and mainframe communication protocols. Experience with IBM Communications Server and network performance tuning. Knowledge of JES2/JES3, TSO/ISPF, SDSF, and system utilities. Experience supporting secure network connectivity and troubleshooting network‑related issues. Strong understanding of enterprise networking concepts including DNS, routing, and firewalls. Experience with automation and monitoring tools in mainframe environments. Excellent analytical, troubleshooting, and communication skills. Preferred Qualifications Experience in banking, financial services, healthcare, or large enterprise environments. Knowledge of RACF security administration and compliance standards. Familiarity with disaster recovery planning and implementation. Experience with hybrid cloud integration and enterprise connectivity solutions. IBM Mainframe certifications are a plus. Education Bachelor's degree in Computer Science, Information Technology, or related field preferred.
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  • Phoenix, Arizona, United States

Languages

  • English
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