Senior Mainframe Systems Programmer - zOS Hardware

Posted 6 Days Ago
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Chennai, Tamil Nadu, IND
Hybrid
Senior level
Cloud • Information Technology
Support mission critical workloads, modernize IT infrastructure and reduce total cost of ownership.
The Role
Provide senior-level mainframe hardware system programming and support for z/OS environments: configure HCD/IOCP, support Tape/DASD/CPU hardware, lead migrations and DR efforts, troubleshoot hardware/OEM issues, maintain documentation, and support 24x7 client operations across data centers.
Summary Generated by Built In

ABOUT US


Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we’re enabling the IT infrastructure for that transformation. Our clients are some of the most innovative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com. 

Senior Mainframe Systems Programmer - Hardware

Position Summary

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


The successful candidate will be responsible for configuration of mainframe hardware equipment such as HCD and IOCP. During new client migrations, the Systems Programmer will be a point person for configuring client environments within Ensono data centers to mimic existing client environment. Will serve as an escalation point for mainframe hardware issues such as failed Tape Drives, offline devices, and Call Home. The associate will perform software and hardware refreshes, customer migrations and daily customer support.


Key Areas of Focus for this Role

  • Fulfill customer service requests for mainframe customers in a timely manner as they pertain to Mainframe hardware components
  • Define (GEN) mainframe equipment to be connected to Mainframe CPU
  • Support existing mainframe equipment for functionality, break/fix, and upgrades
  • Be able to support multiple client hardware upgrades and data center migrations.
  • Provide primary support for reported problems related to Mainframe hardware and related software products
  • Evaluate client systems for migrating into Ensono data centers
  • Evaluate proposed solutions for supportability
  • Provide support on 24 x 7 x 365 basis across multiple time zones.
  • Provide key support for customer migration services (new customer transitions) as they pertain to Mainframe hardware and related OEM software products.
  • Provide primary support for reported problems related to Mainframe Hardware components
  • Research and evaluation of new software and hardware products, assisting team members and other areas with technical questions and problem resolution.
  • 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

What the Ideal Candidate Brings to this Role

Required Qualifications help to assure new Associates are set up for success in their role with Ensono. To be considered for this career opportunity, it is important that you meet all Required Qualifications. Candidates that may meet some, but not all, Other Qualifications are still encouraged to apply.

Required Qualifications

  • Bachelor’s degree required and/or equivalent work experience.
  • 8+ years of professional experience in Mainframe Hardware Support working within a z/OS environment supporting Tape, DASD, CPU, and other mainframe hardware equipment.
  • Experience creating HCD and IOCP for zOS, zVM, and zVSE in a complex, geographically dispersed multi data center environment.
  • Senior level familiarity with Z Series HMC and support element. 
  • Extensive knowledge of IODF, DASD hardware configurations incorporating replication.
  • Above average knowledge of the z/OS operating system. Knowledge of z/VM or z/Linux considered a plus.
  • Familiarity with tape and DASD replication methodologies for various mainframe vendors. 
  • Experience in preparing and implementing Disaster Recovery plans
  • Experience using various system monitoring software in problem determination, particularly for performance/response problems related to Mainframe hardware components
  • 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.

Other Qualifications

  • Self-motivated and able to work independently.
  • Strong analytical skills required for quick problem determination and isolation of root cause with emphasis on required recovery actions to minimize impact to client business.
  • Demonstrated ability to respond quickly and effectively to support requests from multiple clients
  • Must be able to multi-task and work under short deadlines and in high pressure situations.
  • Excellent communication skills (written, verbal and presentations)
  • Ability to work as part of a team, as well as independently.

Shift Timing- 1:30 PM to 10:30 PM


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



Skills Required

  • Bachelor's degree or equivalent work experience
  • 8+ years professional Mainframe Hardware Support in z/OS environments (Tape, DASD, CPU, other hardware)
  • Experience creating HCD and IOCP for z/OS, z/VM, and z/VSE in complex, multi-data-center environments
  • Senior-level familiarity with Z Series HMC and Support Element
  • Extensive knowledge of IODF and DASD hardware configurations, including replication
  • Above-average knowledge of the z/OS operating system
  • Familiarity with tape and DASD replication methodologies for multiple mainframe vendors
  • Experience preparing and implementing Disaster Recovery plans
  • Experience using system monitoring software for problem determination and performance troubleshooting
  • Knowledge of best practices for software management, maintenance, and documentation
  • Experience establishing policies and procedures for database management, DR, security, maintenance, and utilization
  • Ability to evaluate change requests and troubleshoot production database issues
  • Knowledge of z/VM or z/Linux
  • Strong analytical, multitasking, and communication skills; able to work independently and in a team under pressure

Ensono Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Ensono and has not been reviewed or approved by Ensono.

  • Leave & Time Off Breadth Time off provisions include unlimited PTO, paid volunteer time, and a formal sabbatical program. These offerings provide flexibility for rest, community service, and extended renewal.
  • Retirement Support Retirement support includes a 401(k) with company match as part of the core package. This adds long‑term financial value alongside day‑one eligibility for other coverage.
  • Parental & Family Support Family‑forming coverage and paid parental leave are explicitly included, with adoption and surrogacy reimbursement. These benefits support diverse paths to growing a family.

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The Company
HQ: Downers Grove, IL
3,000 Employees
Year Founded: 2015

What We Do

Ensono helps IT leaders be the catalyst for change by harnessing the power of hybrid IT to transform their businesses. Our broad services portfolio from mainframe to cloud, powered by an intelligent governance platform, is designed to help our clients operate for today and optimize for tomorrow. We are award-winning certified experts in AWS & Azure

Why Work With Us

Our culture is collaborative & results-driven. Curiosity, passion, honesty & reliability are values we live by. Career & professional development is encouraged through promotions, learning opportunities, Ensono University - eTalks, training academies, paid tuition and study leave, quarterly Innovator Awards. Thinking Thursdays (no meetings 8 to 12)

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