Job description

Job Description: • Mainframe Network Engineer • The Mainframe Network Engineer is responsible for the design, configuration, implementation, and support of network connectivity for IBM mainframe environments. • This role ensures reliable, secure, and high-performing communication between mainframe systems, distributed platforms, external partners, and enterprise applications. • The engineers will work on key technologies such as TCP/IP, VTAM, SNA, Enterprise Extender, TN3270, FTP, and network security controls, supporting critical production workloads in large enterprise environments. Responsibilities: Mainframe Network Administration: • Install, configure, and maintain z/OS Communications Server components. • Support and manage TCP/IP configuration on z/OS systems. • Maintain and troubleshoot VTAM definitions and network resources. • Configure and support Enterprise Extender (EE) and SNA connectivity where applicable. • Maintain TN3270 access and session-related connectivity for end users and applications. Network Connectivity and Support: • Support file transfer protocols such as FTP, SFTP, and other secure data exchange solutions. Ensure stable communication between mainframe systems and: • Distributed servers • External vendors/partners • Internal enterprise applications • Middleware platforms Diagnose and resolve connectivity issues involving: • IP routing • Port communication • Session failures • DNS resolution • Firewall-related blocks Security and Compliance: • Work closely with network security teams to enforce secure communication protocols. • Ensure compliance with enterprise security controls and audit requirements. • Support SSL/TLS certificate implementation and secure transmission standards. • Assist with firewall rule validation, port usage reviews, and vulnerability remediation. Disaster Recovery and Resiliency: • Support network design and recovery procedures for Disaster Recovery (DR) environments. • Validate communication paths for failover systems and backup data centers. • Participate in DR tests and business continuity exercises. Note: • (Hybrid Role) • Locations—candidates must be on site 3x/week • Chandler, AZ • Plano, TX • Charlotte, NC • Jersey City, NJ • Visa Preferred: H1B/ GC/ USC • This role requires employees to live in or around the Phoenix, AZ area. • Candidates will be responsible to be onsite 3 days a week. • We will consider candidates who are willing to relocate to the area. Pay Range: $55 to $65/ hr #LI-PT1 The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits including medical, dental, vision and 401K contributions as well as any other PTO, sick leave, and other benefits mandated by appliable state or localities where you reside or work.

Requirements

Must-haves

Mainframe Network Engineer
The Mainframe Network Engineer is responsible for the design, configuration, implementation, and support of network connectivity for IBM mainframe environments.
This role ensures reliable, secure, and high-performing communication between mainframe systems, distributed platforms, external partners, and enterprise applications.
The engineers will work on key technologies such as TCP/IP, VTAM, SNA, Enterprise Extender, TN3270, FTP, and network security controls, supporting critical production workloads in large enterprise environments.
Install, configure, and maintain z/OS Communications Server components.
Support and manage TCP/IP configuration on z/OS systems.
Maintain and troubleshoot VTAM definitions and network resources.
Configure and support Enterprise Extender (EE) and SNA connectivity where applicable.
Maintain TN3270 access and session-related connectivity for end users and applications.
Support file transfer protocols such as FTP, SFTP, and other secure data exchange solutions.
Ensure stable communication between mainframe systems and:
Distributed servers
External vendors/partners
Internal enterprise applications
Middleware platforms
Diagnose and resolve connectivity issues involving:
Port communication
Session failures
DNS resolution
Firewall-related blocks
Work closely with network security teams to enforce secure communication protocols.
Ensure compliance with enterprise security controls and audit requirements.
Support SSL/TLS certificate implementation and secure transmission standards.

Nice-to-haves

Visa Preferred: H1B/ GC/ USC

Application prep

Use the role’s language and application details while tailoring your materials.

Platform: bullhorn
Effort: medium

Benefits

Benefits detected in the listing.

Dental

Vision

401k

Pto