Mainframe Network Engineer

Description

The company designs, builds, manages and modernizes mission-critical technology systems that clients rely on daily.

The team works on mainframe network connectivity for IBM mainframe environments.

Responsibilities

• Install, configure and maintain z/OS Communications Server components.
• 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.
• Keep TN3270 access and session connectivity working for end users and applications.
• Keep communication stable between mainframe systems and distributed servers, external vendors and partners, internal enterprise applications, and middleware platforms.
• Diagnose and fix connectivity problems involving IP routing, port communication, session failures, DNS resolution and firewall blocks.
• Support FTP, SFTP and other secure data exchange solutions.
• Work with network security teams to enforce secure communication protocols and meet enterprise security controls and audit requirements.
• Support SSL/TLS certificate implementation and secure transmission standards.
• Help validate firewall rules, review port usage and assist with vulnerability remediation.
• Support network design and recovery procedures for disaster recovery environments, including validating communication paths to failover systems and backup data centers.
• Take part in DR tests and business continuity exercises.
• Take part in an on-call rotation with the engineering teams.

Requirements

• At least 5 years of experience in mainframe networking or z/OS communications support.
• Familiarity with JCL, TSO/ISPF and SDSF.
• Ability to analyze logs, traces and dump data related to communications issues.
• Solid knowledge of TCP/IP on z/OS, VTAM, SNA and Enterprise Extender, TN3270, FTP and SFTP, and TLS.
• Experience supporting transmission products such as Connect Direct is preferred.
• Ability to work independently and as part of a team.
• Strong troubleshooting and customer service skills.
• Ability to carry a project through to completion, or to contribute to the parts of a larger complex project.
• IBM mainframe or networking certifications are a plus.

Conditions

Hybrid or location details are not stated in the posting.

The company does not currently require full COVID-19 vaccination, but if placed at a client, customer or partner site you may need to show proof of vaccination under that site's policy. Those who believe they are eligible may request a medical or religious accommodation before starting.

Benefits

• Benefits that offer choice and support for you and your family through major life moments.
• Access to employee learning programs with industry certifications, including Microsoft, Google, Amazon and Skillsoft.
• A company-wide volunteering and giving platform to donate, start fundraisers, volunteer and search over 2 million non-profit organizations.
• Work with state-of-the-art resources and Fortune 100 clients.