Senior Z/Os Systems Programmer

Full-time Position

100% Remote - Candidates must be located within the United States

Not able to accommodate C2C candidates at this time. Candidates must be eligible to work in the United States and not require sponsorship.

This is a Senior z/OS Systems Programmer position with a focus on communication server.

Responsibilities

• Manage and administer z/OS Communication Server components, including VTAM, TCP/IP, SNA, Parallel Sysplex, Sysplex Distributor, and z/OS Cryptographic Services.
• Collaborate with application teams to integrate z/OS Communication Server technologies with z/OS WebSphere Servers and other middleware solutions.
• Develop and maintain JCL, REXX, and Java scripts for automation and customization purposes.
• Implement and support secure communication protocols including AT-TLS (z/OS Policy Agent-ATTLS), SSL, SFTP, FTPS, and Connect Direct.
• Provide expertise and support in mainframe networking technologies and assist in capacity planning and disaster recovery planning.
• Monitor system performance and implement tuning strategies to optimize network throughput and response times.

Requirements

• 5+ years of experience as a z/OS Systems Programmer with a specialization in Communication Server technologies. 
• Hands-on experience with z/OS Communication Server components including AT-TLS, SFTP, FTPS, Connect Direct, and HTTP Server (Apache).
• Proficiency in VTAM, TCP/IP, SNA, Parallel Sysplex, Sysplex Distributor, z/OS Cryptographic Services, and related mainframe networking technologies.
• Experience with z/OS Unix System Services and integration with distributed environments.
• Strong programming skills in JCL, REXX, and Java with the ability to develop and customize scripts for automation and system customization.
• Excellent knowledge and use of z/OS components with detailed knowledge of supporting hardware.
• Excellent communication, collaboration, and interpersonal skills with the ability to work effectively in a team-oriented environment.