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Mainframe Systems Programmer - z/OS
Senior mainframe systems programmer at Ensono providing z/OS systems programming support to mainframe clients — performing z/OS (V2.5/V3.1) and ISV product upgrades and installations via SMP/E and zOSMF workflows, plus JES2/JES3, JCL, and environment support for storage, performance, and security teams.
Senior Systems Engineer
Ensono is hiring a Senior Systems Engineer (Windows L3 System Administrator) in Pune to act as the top escalation point for enterprise Windows Server environments, build Infrastructure as Code with Terraform and PowerShell, and support Azure/AWS cloud, virtualization, backup/DR, and 24x7 on-call operations.
Senior Virtualization Systems Engineer
Senior engineer at managed services provider Ensono who designs, administers, and optimizes enterprise VMware vSphere and Nutanix virtualization environments in Pune, leads datacenter migrations and infrastructure upgrades, and automates operations with PowerShell, PowerCLI, and Python. Role includes 24/7 rotational shifts and mentoring junior engineers.
Senior DevOps / ELK Engineer (M/F) - Híbrido (Lisboa)
Ankix is hiring a Senior DevOps/ELK Engineer (M/F) for a hybrid role in Lisbon, focused on observability and production support using the Elastic Stack and OpenTelemetry. The role also involves Docker, Kubernetes, CI/CD (Jenkins, Git, Ansible), REST APIs and security basics, requiring 5–10 years of IT experience.
Senior DevOps / ELK Engineer
Senior DevOps / Elastic Observability Engineer in Lisbon (hybrid, 2 on-site days/week) who designs, maintains and extends Elastic Stack monitoring (Elasticsearch, Kibana, Logstash, Beats/Elastic Agents) across mainframe, open systems and container platforms, plus CI/CD integration, incident response and team coaching.
Senior Data Engineer
At AdvanceWorks, we learn together, grow together, and have fun together. And we do all this while creating great software solutions for clients across many industries and geographies. We are constantly challenging…
Senior Elastic Observability DevOps Engineer - Hybrid
act digital in Lisbon seeks a Senior DevOps and Elastic Observability Engineer to design, evolve and support monitoring across mainframe, open systems and container environments. You will implement the Elastic Stack…
Senior Network Engineer
Senior Network Engineer at managed service provider Ensono: runs and supports complex datacenter network infrastructure (~80% operations, 20% build), handling major incidents, RCA, and lifecycle management across routers, switches, firewalls, load balancers, Cisco ACI, and VMware NSX-T, working 24/7 rotational shifts in Bengaluru, Chennai, or Pune.
Expert Network Engineer
Senior network expert (15+ yrs) at managed service provider Ensono: ~60% L3/L4 network operations — critical incident escalation, RCA and performance optimization — and 40% design/deployment of enterprise, data center and cloud networks using BGP/OSPF routing, Palo Alto/Fortinet/Check Point firewalls, F5 load balancers, Cisco ACI, VMware NSX and SD-WAN, on 24/7 rotational shifts.
IT-Planet - Software Engineer Mainframe (Cobol)
Long-term consultancy placement via IT-Planet at an insurance-sector client in Antwerp: develop and support business-critical mainframe applications in Cobol V5 on IBM z/OS (CICS, VSAM, JCL, batch, SDSF) within an agile team. Hybrid work: Antwerp office plus home working.
Senior Systems Engineer (Mainframe Storage)
Senior systems engineer on the Mainframe Platform Engineering team at Commonwealth Bank of Australia, building and maintaining critical IBM Z, z/OS and mainframe storage infrastructure, with a focus on resilience, automation, and emerging AI-assisted engineering.
Senior Systems Engineer (Mainframe, Application Deployment, SCM)
Senior Systems Engineer at Commonwealth Bank of Australia who owns and improves the engineering platforms and controls that safely move critical mainframe applications from source code to production, modernising secure delivery by connecting mainframe SCM practices with Git, CI/CD, APIs and automation.
Mainframe Security Engineer - Logical Security
Ensono is hiring a Mainframe Security Engineer in Chennai to administer RACF security on IBM z/OS mainframes for enterprise clients — managing user IDs, groups, access controls, SMF log monitoring, audit compliance, and digital certificates. Core tech: RACF, z/OS, TSO/ISPF, JCL, SDSF, SMF, zSecure, and subsystems like CICS, DB2, IMS, MQ.
Senior Systems Engineer (Mainframe, Application Deployment, SCM)
Senior systems engineer at Commonwealth Bank (CommBank) owning and improving the platforms and controls that move critical mainframe applications from source code to production. Day to day centres on Broadcom Endeavor SCM and z/OS tooling (JCL, COBOL, PL/I), integrating legacy SCM with Git, CI/CD, APIs and automation.
Business Systems Analyst ~ Automation
Business Systems Analyst (Levels I-III) at NASA Federal Credit Union who optimizes business and financial operations through intelligent automation: process discovery, requirements gathering, and solution design/delivery using UiPath RPA, Workbot, Intelligent Document Processing, and agentic AI, plus PowerOn, VB.NET, VBScript, and T-SQL. Remote-friendly role.
Senior Manager, Mainframe Infrastructure
**Your opportunity** At Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us challenge the status quo and transform the financial services…
CICS Administration (CICS TS, CICSplex, zCEE, CICS PA)
Senior (7+ yrs) mainframe systems administrator role maintaining CICS environments on z/OS: installing and upgrading CICS TS, CICSplex, zCEE and CICS PA, applying fix packs, tuning JVM servers, web services and connectivity, monitoring with tools like Omegamon/SYSVIEW, and resolving incidents with 24/7 rotational support.
Expert Réseaux Mainframe z/OS - Freelance (H/F)
Freelance mainframe network expert embedded in the Mainframe division operating the IT infrastructure of a large banking group. Day to day: z/OS network projects, deploying Communication Server versions, configuring VTAM/TCPIP, NVAS, CA-TPX, Infoprint Server and CA Spool, TLS/Pagent, plus on-call duty.
Senior Mainframe Systems Programmer - DB2
Maintain and optimize IBM DB2 databases on z/OS for enterprise clients, troubleshoot issues, and support migrations and disaster recovery across time zones.