Senior Mainframe Workload Scheduler Specialist

Ensono; Hyderabad; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

Ensono in Hyderabad, India seeks a Senior Mainframe Workload Scheduler Specialist to lead installation, configuration, and evolution of the mainframe batch workload automation environment. You will design, optimize, and operate enterprise scheduling across z/OS with IWS and related tools.

You will develop APIs and modern interfaces for CI/CD, collaborate with global teams, and mentor junior staff while ensuring SLA-driven throughput and reliability in a fast-paced, resilient mainframe setting.

Qualifications

• 8+ years experience in mainframe scheduling and automation
• Strong knowledge of IBM Workload Scheduler for z/OS (IWS/TWS)
• Scripting skills: REXX, JCL
• Experience with z/OS, SMP/E, and WLM
• Experience with REST APIs or ZoweCLI for scheduling interfaces
• Ability to mentor and lead scheduling initiatives

Responsibilities

• Install IBM Workload Scheduler for z/OS (IWS/TWS) and configure it to meet SLAs
• Design and optimize enterprise batch scheduling across mainframe environments
• Integrate IWS with z/OS WLM policies for best throughput
• Maintain non-IBM tools such as IWS/Audit, IWS/Graph, IWS/BatchAD/BatchCP, XINFO
• Develop APIs and modern interfaces for CI/CD pipelines
• Monitor scheduling performance and ensure high availability and fault tolerance

Job description

About Ensono

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 2,900 associates globally and is headquartered in greater Chicago. We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission‑critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross‑platform certifications and decades of experience, our technology experts become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

Your role:Asa Senior Mainframe Workload Scheduler Specialist, you will be accountable for the installation, configuration, design, reliability, and evolution of the mainframe batch workload automation environment.We’reseeking anexpert in IBM Workload Scheduler for z/OS (formerly Tivoli Workload Scheduler)with a strong grasp of Installation, Configuration and Upgrade of z/os Workload Scheduler, strong grasp of non‑IBM scheduling suite products(such as IWS/BatchAD, IWS/BatchCP, IWS/Audit, IWS/Graph, XINFO). In this role, you willdesign andoptimizeenterprise‑wide batch scheduling solutions, improving how we orchestrate and automate business‑critical processing. Key responsibilities include:

• Installation of IBM Workload Scheduler for z/OS (IWS/TWS) and configuration –
• Ensuringreliable and efficient batch schedulingfor all mainframe applications and systems, by configuring and fine‑tuning IBM Workload Scheduler (IWS) to meet strict SLAs for job completion and throughput.
• Developing scheduling architecture and processesthat integrate seamlessly with z/OS Workload Manager (WLM) policies, ensuring that automated jobs get the necessary system resources for the best throughput under WLM‑managed environments.
• Implementing and maintaining non‑IBM workload automation tools(e.g., IWS/Audit, Graph,BatchAD/BatchCP, and XINFO) to extend and enhance the IBM Workload Scheduler environment. Leverage these tools to provide advanced scheduling analytics, audit capabilities, and improved operator interfaces.
• Modernizing and integratingthe scheduling environment withDevOps and agile processes, including exploring ways to introduceAPIs and modern interfacesfor scheduling (for example, viaZoweCLI or REST APIs) for better integration with enterprise CI/CD pipelines.
• Monitoring scheduling performance and reliability: Build observability into the scheduling systems andestablishrobust monitoringto detect and resolve job failures or delays rapidly. Use metrics and tools (including non‑IBM products) to ensure continuous improvement in scheduling efficiency and fault tolerance.
• Stakeholder collaboration: Work closely with application development teams and operations to gather scheduling requirements, advise on workload planning, and ensure scheduling solutions havebank‑wide impact and reliability, with minimal business disruption. Provide consultation and advisory services for improving enterprise batch processing and workload management strategies.
• Leadership and innovation: Drive continuous improvement byidentifyingopportunities to automate manual tasks and improve our batch operations. You will makekey technical decisionsregardingworkload automation design and present your proposals andtheir trade‑offs tostakeholders and technical leadershipfor alignment.You’llalso contribute tohiring and mentoringwithin the team, sharing knowledge of scheduling bestpracticesand fostering an engineering culture of reliability and innovation.

Your team:You will join the zSoftware engineering Pod and closely collaborate with theMainframe Production Control & Automation team(part of our broader Mainframe Platform Services crew) responsible for enterprise batchworkload automation. Workinginanagile crew,you’llclosely collaborate withapplication support teams, infrastructure engineers, and IT operationsacross regions to ensure our batch scheduling aligns with business needs and integrates with cross‑platform workflows.You’llfrequentlyinterface with mainframe system engineers (e.g., z/OS base systems, DB2, CICS/MQ teams) to coordinate changes that span multiple disciplines, ensuring that scheduling, infrastructure, and applicationsoperateharmoniously. As a senior specialist, you may lead scheduling‑related projects and coordinate with global staff (across locations such as Switzerland, India, and the US) to drive unified improvements in workload automation.

Yourexpertise:To be successful, you should have extensive experience (8+ years preferred) in mainframe scheduling and automation.Key qualifications include:

• SMP/E and system installation–Hands‑onexpertisewith SMP/Epackaging, installation, and maintenance of z/OS software and operating system; capable of planning and executing complex system upgrades and ensuring OS currency (experience up to z/OS 3.1 preferred). Installation of IBM Workload Scheduler for z/OS (IWS/TWS) and configuration (mandatory skill)
• Mastery of IBM Workload Scheduler for z/OS (IWS/TWS)– Profound knowledge of job scheduling concepts, calendar and plan management,JCLand OPC/IWS definitions. Hands‑on experience customizing and tuningIWS subsystems(controllers and trackers) to meet complex enterprise scheduling requirements.
• Batch supporting Product Suite–Expertise with Batch supporting tools job scheduling add‑ons and tools (such asIWS/BatchAD, IWS/BatchCP, IWS/Audit, IWS/Graph,andXINFO), withabilitytomaintainand upgrade these tools in line with platform upgrades. Familiarity with vendor roadmaps and version support for these products is beneficial (e.g., transitions toIWS 10.xand related HORIZONT versions).
• Workload Optimization & WLM– Strong understanding ofz/OS Workload Manager (WLM) principles and how workload scheduling interacts with WLM and system capacity. Able to configure scheduling policies that complement WLM to maximize throughput and resource utilization.
• Scripting & Automation– Proficiency inREXX and JCLscripting to automate scheduling tasks and implement advanced conditional scheduling logic. Experience integrating scheduling events with cross‑platform orchestration tools or REST APIs (for example, using modern interfacing viaZoweCLIor similar frameworks to trigger ormonitormainframe workloads) is a advantage.
• Software Maintenance & Configuration – Solid knowledge of SMP/E, with proven experience in installing, configuring, and migrating new product versions.
• High Availability & Resilience– Experience designinghighly availablescheduling configurations(e.g., dual controllers, fault‑tolerant arrangements) and disaster recovery procedures for scheduling systems. Familiarity with GDPS or multi‑site scheduling setups is a plus.
• Problem‑solving & Support– Demonstrated experience introubleshooting complex batch job failuresand scheduling anomalies under pressure. Comfortable providing3rd‑level supportfor scheduling platform issues, including analyzing critical path delays, late job executions, and root‑cause determination to ensure timelyresolution.
• Strategic mindset– Proven ability to plan formodernization of batch processing, such as migrating to new versions (e.g.,IWS 10+), implementingDevOps‑friendly scheduling interfaces, and improving the overall agility of mainframe operations. You think ahead to ensurelong‑term scaling and sustainabilityof the workload automation environment.
• Communication & Leadership–Excellent communicationin English (verbal and written) isrequired, as you will liaise with diverse global teams and present scheduling strategies to senior IT management. You have a knack for translating complex scheduling concepts to understandable plans for stakeholders and mentoring to foster best practice accelerations together the eye presence in out [not exactly?].

“We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, color, creed, religion, gender, gender identity,sexual orientation, age, disability, HIV status,or any other status protected by law. Candidates with disabilities who require accommodation during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.”

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