Mainframe Engineer

Location: Onsite 3 days a wk; Hybrid – Office location is Chandler AZ Required Pay Scale: $65-70hr W2 ***Due to client requirements this role is only open to USC or GC candidates*** Position Summary Engineers and operates network solutions supporting mainframe TCP/IP and SNA/APPN-based system integrations. Optimizes high‑availability connectivity for business‑critical, high‑velocity transactions and batch‑processing systems. Leads modernization of mainframe network architectures, including improvements in observability and telemetry. Advances automation and AI‑assisted operations to reduce manual effort, improve consistency, and enhance network reliability. Diagnoses and resolves complex issues across routing, switching, firewalls, load balancers, and mainframe network stacks. Continuously improves network solutions to meet performance, capacity, resiliency, and cybersecurity compliance standards. Required Qualifications Experience supporting enterprise‑scale networks with high availability and reliability requirements. Strong foundational expertise in TCP/IP networking, including OSPF, EIGRP, and Layer 2 technologies such as VLANs and EtherChannel/Portchannel. Strong understanding of packet trace analysis and multi‑layer troubleshooting techniques. Working knowledge of switches, firewalls, load balancers, VPNs, certificates, TLS/SSL, and REST APIs. Desired Qualifications Experience using IBM Netview and IBM Omegamon automation and performance tools. Assembler and REXX programming skills. Experience Matters. Let your experience be driven by our experience. For more than 40years, Matlen Silver has delivered solutions for complex talent and technology needs to Fortune 500 companies and industry leaders. Led by hard work, honesty, and a trusted team of experts, we can say that Matlen Silver technology has created a solutions experience and legacy of success that is the difference in the way the world works. Matlen Silver is an Equal Opportunity Employer and considers all applicants for all positions without regard to race, color, religion, gender, national origin, age, sexual orientation, veteran status, the presence of a non‑job‑related medical condition or disability, or any other legally protected status. If you are a person with a disability needing assistance with the application or at any point in the hiring process, please contact us at email and/or phone at View email address on click.appcast.io // View phone number on click.appcast.io #J-18808-Ljbffr Matlen Silver