Expert Mainframe System Programmer – z/OS

About Us (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 3500+ 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 have become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

 

About Role

Provide premium zOS system programming support and services to Ensono mainframe clients.

The successful candidate will perform mainframe zOS Operating upgrades coupled with administration and tuning to support our customers’ mainframe environments. The individual will need to work with vendor personnel to achieve timely solutions of zOS problems.

Key Areas of Focus for this Role

• Fulfill customer service requests for mainframe z/OS customers in a timely manner as they pertain to Mainframe zOS Operating systems and related products
• Follow procedures for installing zOS and related ISV products efficiently and according to best practices and Ensono standards (for productivity/scalability purposes).
• Provide primary support for reported problems related to zOS and related software products
• Provide key support for customer migration services (new customer transitions) as they pertain to zOS and related OEM software products.
• Provide primary support for reported problems related to zOS Operating System
• Communicate to both customer and management the status of issues at intervals during resolution process.
• Maintain documentation of issue cause, action, and resolution in the designated problem tracking system.
• Assist the assigned project manager in the migration of newly acquired customers such that all technical hurdles are addressed in a timely manner and do not impede the expected progress of the transition nor the targeted migration date.
• In joint co-operation with the Disaster Recovery Services and other technical teams, successfully execute tasks associated with any given customer’s disaster recovery plans.
• Aid and assist other mainframe teams as required to support them and our clients.
• Adhere to a schedule that efficiently manages resources and allows timely implementations.
• Follow ITSM change control procedures

 

Technical Skills

• Bachelor’s degree required and/or equivalent work experience.
• 12+ years of professional experience in zOS systems programming support, working with zOS components, subsystems, and any attendant OEM products.
• Must possess thorough understanding of mainframe operating system principles and subsystem components.
• Experience in building new zOS Environment
• Experience in installation/upgrade/customization of zOS System & related ISV software products
• SMPE Knowledge and experience
• Experience with configuring and managing zOS in a parallel sysplex environments, CFRM policies
• Understanding on JES2/JES3 Architecture & components and customization
• Must be able to work independently and take responsibility for zOS system and other subsystem recovery including critical OEM products.
• Experience using various system monitoring software in problem determination, particularly for performance/response problems.
• Able to perform Stand-alone and SVC dumps to aid vendor diagnostics.
• Experience with reviewing new versions of zOS for functionality, advising how they benefit the client
• Experience with reviewing, tuning of zOS operating system
• Ability to develop innovation, strategies, processes, and best practices in software management
• Support planned (disaster recovery) and unplanned (emergency) database recovery activities
• Knowledgeable in best practices of software management, maintenance, and documentation
• Experience with establishing policies and procedures pertaining to database management, DR, security, maintenance, and utilization
• Ability to evaluate change requests and determine impact to assigned clients and troubleshooting and solving production database issues.
• System programming knowledge of multiple Mainframe Database Management Systems is a bonus.