At Unosquare, we are excited to announce that we are looking for a passionate SRE with strong IBM Mainframe experience to join our expanding team. Remote in México, Bolivia, Colombia, or Paraguay BENEFITS AS A UNICORN: Remote work Long-term contract} Paid vacation & holidays Health insurance Career path & growth opportunities COE (Center of Excellence) Program Referral Plan Certification Support English classes 100% remote position MUST HAVE - Conversational English - IBM z/OS Administration - CA-ADECUADO - COBOL & JCL - OCI, AWS, Azure, or GCP REQUIREMENTS: - 4+ years of experience in Site Reliability Engineering, Systems Administration, or Mainframe Operations. - Strong experience with Mainframe technologies such as CICS, IMS, DB2, Datacom, VSAM, RACF, JES2/JES3, SMF, WLM, and z/OSMF. - Experience developing automation solutions using Python, Go, REXX, Assembler, CLIST, or similar technologies. - Solid understanding of SRE concepts such as SLIs, SLOs, Error Budgets, Incident Management, Root Cause Analysis, and Toil Reduction.



- Experience working in hybrid Mainframe and Cloud environments. - Strong understanding of distributed systems, networking, databases, high availability, disaster recovery, capacity planning, and performance optimization. KEY RESPONSIBILITIES: - Own the reliability, availability, and performance of integrated OCI and IBM Mainframe environments. - Define and maintain SLIs, SLOs, and Error Budgets. - Automate operational tasks and reduce manual effort. - Participate in incident response, troubleshooting, root cause analysis, and postmortems. - Administer z/OS environments and support critical Mainframe services. - Provide support for CA-IDEAL and COBOL-based applications. - Optimize batch processing, scheduling, and performance. - Troubleshoot integrations between Mainframe and Cloud services. - Support disaster recovery and high-availability initiatives. - Promote a culture of reliability, automation, and continuous improvement.

📌 SRE with IBM Mainframe (Ciudad de México)
🏢 Unosquare
📍 Ciudad de México