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Ensono

Mainframe Systems Programmer - z/OS

Pune, India

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hirly's read of this role

Role family
Engineering
Seniority
Mid level
Country
IN
Work mode
On-site / unstated
First seen by hirly
10 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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.

JOB TITLE

Senior Mainframe Systems Programmer – zOS and ISV

Position Summary

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

The successful candidate will perform mainframe zOS operating System upgrades (V2.5 and V3.1) using SMPE and zOSMF workflows, ISV product upgrades/maintenance apply for zOS compatibility to support our customers’ mainframe environments and ensure contractual obligations are met. The individual will need to work with vendor personnel to achieve timely upgrades of zOS, ISV products before end of support.

JOB DESCRIPTION

As a recognized leader in IT infrastructure management, Ensono is dedicated to cultivating talented individuals with unique skillsets who know how to dream big and build bigger. We are looking for passionate and self-motivated candidates to apply for our Senior/ Expert Mainframe Systems Programmer open position!

This position is a full-time, entry level job role. We prefer candidates be located within Bangalore or Chennai or Pune.

Job Duties AND RESPONSIBILITIES

Perform standard system programming activities like configuration, installation & maintenance using SMP/E, and vendor software installations in the mainframe environment.

Support other team: storage management, performance tuning, capacity planning, security, networking, and operating procedures from zOS perspective.

Work with Mainframe System Programmers staff across tracks to enhance the mainframe environment.

Participate in software(ISVs and zOS) deployments and various support functions as defined by the department manager.

Possess interpersonal skills needed to foster good relations with business and development users.

Assist team members to solve problems, make innovative improvements and make decisions.

Identify and implement system and process improvements in the z/OS environment Work with

application support teams and other internal customers to facilitate business initiatives.

Review and Approve documentation of system software products including usage instructions, configuration notes, test plans, details of customizations necessary for our environment, as well as process and procedure guides.

Mandatory Skills:

Expertise in performing SMP/E and Non-SMPE Installation of ISV products)

Operating system z/OS upgrades workflow execution.

JES3/JES2 initialization

Sysplex and config management(good to have)

Fluent in JCL and IBM Utilities (IEBGENER/IEBCOPY/AMASPZAP/DFDSS)

ISPF/TSO and other basic

Basic knowledge of REXX/CLIST

Designing project plan(upgrades, maintenance, decom) with task list for all stakeholders and communicating the timelines with delivery and customer.

Formulate roadmaps with all pre-requisites to achieve an project completion.

Technically guide a team of highly motivated system programmers with technical working sessions.

Required Skills

8+ years of professional work experience as a Mainframe System Programmer in zOS & ISVs.

Possess the drive and self-motivation to sharpen current skills while also learning something new

Intermediate proficiency in MS Office (Excel, PowerPoint, Project, and Word) or MAC equivalent products

Possess a conceptual or practical understanding of or have a willingness to learn various technologies including but not limited to Mainframe, Open Systems, Networking, etc.

Ability to present ideas in a clear and concise manner - sharp communication skills both verbal and written

Decision making skills – know when to ask for guidance/help or when to escalate an issue

Possess strong analytical/problem-solving, organizational, and time management skills

Proactive attitude, dependable, and detailed-oriented

Ability to function in a fast-paced environment and manage the stress level

Ability to actively participate within a team and collaborate with others effectively

Ability to take constructive criticism or receive corrective instructions without offense

QUALIFICATIONS

Desired candidates will have a degree and/or equivalent experience.

Mainframe Certifications / Badges is an added advantage.

ADDITIONAL INFORMATION

The incumbent of this position will report to the Mainframe Optimize / Mainframe Academy Leader.

Specific needs may vary based on business necessity. The qualifications and responsibilities outlined should be used as guidance regarding required and preferred skills.

Our Values

Whether providing unprecedented solutions for clients or collaborating with each other to make unexpected connections, our teams are to exhibit these core values across every endeavor:

Honesty - We’re transparent and accountable

Reliability - We deliver on our promises

Collaboration - We thrive as a team

Curiosity - We relentlessly innovate on behalf of our clients

Passion - We love what we do and share our enthusiasm

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.

Original posting on Ensono's site ↗

Listed on hirly, a job board. hirly is not the employer: Ensono is hiring for this role.

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