Description
Job Description
As a Senior z/OS Systems Programmer specializing in Communication Server, you will be responsible for maintaining and optimizing mainframe network infrastructure. You will play a crucial role in ensuring the reliability, security, and efficiency of the z/OS communication environment, including VTAM, TCP/IP, SNA, Sysplex, and related technologies.
Key Responsibilities
- Manage and administer z/OS Communication Server components, including VTAM, TCP/IP, SNA, Parallel Sysplex, Sysplex Distributor, and z/OS Cryptographic Services.
- Configure and maintain communication protocols such as VTAM, TCP/IP, and SNA to optimize network performance and reliability.
- Implement and support secure communication technologies, including AT-TLS (z/OS Policy Agent), SSL/TLS, SFTP, FTPS, and Connect:Direct.
- Manage and troubleshoot Apache HTTP Server environments on z/OS and develop or customize Apache modules as required.
- Collaborate with application teams to integrate z/OS Communication Server technologies with WebSphere and other middleware platforms.
- Develop and maintain automation and customization solutions using JCL, REXX, and Java.
- Utilize z/OS Unix System Services (USS) to integrate mainframe applications with distributed environments.
- Monitor system performance and implement tuning strategies to optimize network throughput and response times.
- Provide technical expertise in mainframe networking technologies and support capacity planning, high availability, and disaster recovery initiatives.
- Stay current with emerging technologies and industry best practices related to z/OS communications and networking.
Requirements
Technical Skills
- Minimum of 4 years of experience as a z/OS Systems Programmer with a focus on Communication Server technologies.
- Strong expertise in:
- z/OS Communication Server
- VTAM
- TCP/IP on z/OS
- SNA
- Parallel Sysplex
- Sysplex Distributor
- z/OS Cryptographic Services
- Hands-on experience with:
- AT-TLS
- Policy Agent
- SSL/TLS
- SFTP
- FTPS
- Connect:Direct (NDM)
- Apache HTTP Server on z/OS
- Strong scripting and automation experience using JCL, REXX, and Java.
- Experience with z/OS Unix System Services (USS) and integration with distributed systems.
- Solid understanding of z/OS architecture and supporting hardware components.
- Proven ability to troubleshoot complex networking and communication issues in a mainframe environment.
Professional Skills
- Strong leadership, organizational, and time management skills.
- Excellent analytical and problem-solving abilities.
- Strong communication and collaboration skills with the ability to work effectively across technical teams.
- Ability to build and maintain productive relationships with internal stakeholders and external vendors.
- Self-motivated and capable of working independently with minimal supervision.
- Ability to manage multiple priorities and adapt to changing business requirements.
- Demonstrated flexibility and willingness to learn new technologies and methodologies.
Work Location: Remote