> Markdown version of [/jobs/ext/4667159-mainframe-datacom-engineer](https://www.wearedevelopers.com/jobs/ext/4667159-mainframe-datacom-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Datacom Engineer - **Company:** Datacom Information Services Inc. - **Location:** Birmingham, AL, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Query Performance, Databases, IBM DB2, Job Control Language (JCL), Query Optimization, Broadcom, System Programming, Z/OS, Software Troubleshooting, Database Backup - **Published:** November 11, 2026 - **Apply:** https://computerjobs.com/us/en/mob/job/B0210AC5375D93A59B ## About the Role * Strong hands-on Broadcom Datacom/CA Datacom DBA experience. * Proven ability to independently diagnose and fix Datacom issues, not simply monitor and escalate production incidents. * Strong experience in backup/recovery, database administration, restoration and performance/query tuning. * Hands-on Datacom patching, maintenance and System Programming experience. * Strong IBM z/OS and JCL knowledge. * Ability to operate independently with minimal training or supervision. * Strong troubleshooting, analysis and problem-solving skills. * Experience supporting enterprise-scale production Datacom environments. * Ability to work Mexico-aligned hours. * Db2 knowledge is advantageous but not a requirement for the role., We are looking for a self-sufficient Datacom specialist who has extensive experience supporting and maintaining Broadcom Datacom environments in production. The successful candidate will be able to quickly assume ownership of BAU Datacom activities, independently diagnose and resolve issues, perform patching and maintenance activities, and provide expert DBA support with minimal onboarding or supervision. ## Description We are seeking an experienced Broadcom Datacom DBA/System Programmer to provide hands-on BAU support and technical ownership of an existing CA Datacom environment on IBM z/OS. The candidate must have strong hands-on Datacom expertise and be capable of independently diagnosing and resolving database and platform issues, performing fixes and maintenance, and supporting patching activities with minimal training. This is not a production monitoring role or a Datacom-to-DB2 migration role. The requirement is to provide specialist DBA support for the existing Datacom environment while the wider modernisation programme progresses., * Administer and maintain Broadcom Datacom databases on z/OS. * Independently diagnose, troubleshoot and resolve Datacom database issues. * Perform database backup, restore/recovery and database administration/structuring. * Diagnose and resolve database and query performance issues. * Perform/support Datacom fixes, patching, patch validation and maintenance. * Provide Datacom technical consultancy and support to applications and users. * Perform root cause analysis and implement permanent fixes. * Take ownership of BAU Datacom activities transferred from the existing team. * Work closely with application, operations and infrastructure teams to maintain service stability. * Produce and maintain technical documentation and operational procedures.