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Mainframe Systems Programming - zOS

at Ensono

Chennai, India Senior Posted 2026-01-29

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About this role

<p><strong>ABOUT US</strong></p> <p>&nbsp;</p> <p>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 <a id="menuri20" class="fui-Link ___1q1shib f2hkw1w f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1s184ao f1mk8lai fnbmjn9 f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh fhgqx19 f1olyrje f1p93eir f1nev41a f1h8hb77 f1lqvz6u f10aw75t fsle3fq f17ae5zn" href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ensono.com%2F&amp;data=05%7C02%7CJennifer.Joseph%40Ensono.com%7Ce601069ca71a4b1335e808dc1c0f8fe5%7Cd483ed84f7bf4078a58ffb250feccf8f%7C0%7C0%7C638416100371036807%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=np2ZJ3pL08ChK%2FWgUB%2FCs1FmCakVjSY5HN%2BqSstWs%2B4%3D&amp;reserved=0" target="_blank">www.ensono.com.</a>&nbsp;</p> <p>&nbsp;</p> <p><strong>JOB TITLE</strong></p> <p>&nbsp;</p> <p><strong>Senior Mainframe Systems Programmer – zOS and ISV</strong></p> <p><strong>Position Summary</strong></p> <p>Provide premium zOS system programming support and services to Ensono mainframe clients.</p> <p>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.</p> <p>&nbsp;</p> <p><strong>JOB DESCRIPTION</strong></p> <p>&nbsp;</p> <p>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 <strong>Senior/ Expert Mainframe Systems Programmer</strong> open position!</p> <p>&nbsp;</p> <p>This position is a full-time, entry level job role. We prefer candidates be located within Bangalore or Chennai or Pune.</p> <p>&nbsp;</p> <p>&nbsp;</p> <p><strong>Job Duties AND RESPONSIBILITIES</strong></p> <p>&nbsp;</p> <p>&nbsp;</p> <p>Perform standard system programming activities like configuration, installation &amp; maintenance using SMP/E, and vendor software installations in the mainframe environment.</p> <p>Support other team: storage management, performance tuning, capacity planning, security, networking, and operating procedures from zOS perspective.</p> <p>Work with Mainframe System Programmers staff across tracks to enhance the mainframe environment.</p> <p>Participate in software(ISVs and zOS) deployments and various support functions as defined by the department manager.</p> <p>Possess interpersonal skills needed to foster good relations with business and development users.</p> <p>Assist team members to solve problems, make innovative improvements and make decisions.</p> <p>Identify and implement system and process improvements in the z/OS environment Work with</p> <p>application support teams and other internal customers to facilitate business initiatives.</p> <p>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.</p> <p>&nbsp;</p> <ul> <li><strong>Mandatory Skills:</strong> <ul> <li>Expertise in performing SMP/E and Non-SMPE Installation of ISV products)</li> <li>Operating system z/OS upgrades workflow execution.</li> <li>JES3/JES2 initialization</li> <li>Sysplex and config management(good to have)</li> <li>Fluent in JCL and IBM Utilities (IEBGENER/IEBCOPY/AMASPZAP/DFDSS)</li> <li>ISPF/TSO and other basic</li> <li>Basic knowledge of REXX/CLIST</li> <li>Designing project plan(upgrades, maintenance, decom) with task list for all stakeholders and communicating the timelines with delivery and customer.</li> <li>Formulate roadmaps with all pre-requisites to achieve an project completion.</li> <li>Technically guide a team of highly motivated system programmers with technical working sessions.</li> </ul> </li> </ul> <p>&nbsp;</p> <p>&nbsp;</p> <p><strong>Required Skills</strong></p> <p>&nbsp;</p> <ul> <li><strong>8+ years of professional work experience as a Mainframe System Programmer in zOS &amp; ISVs.</strong></li> <li>Possess the drive and self-motivation to sharpen current skills while also learning something new</li> <li>Intermediate proficiency in MS Office (Excel, PowerPoint, Project, and Word) or MAC equivalent products</li> <li>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.</li> <li>Ability to present ideas in a clear and concise manner - sharp communication skills both verbal and written</li> <li>Decision making skills – know when to ask for guidance/help or when to escalate an issue</li> <li>Possess strong analytical/problem-solving, organizational, and time management skills</li> <li>Proactive attitude, dependable, and detailed-oriented</li> <li>Ability to function in a fast-paced environment and manage the stress level</li> <li>Ability to actively participate within a team and collaborate with others effectively &nbsp;</li> <li>Ability to take constructive criticism or receive corrective instructions without offense</li> </ul> <p>&nbsp;</p> <p><strong>QUALIFICATIONS</strong></p> <p>&nbsp;</p> <p>Desired candidates will have a degree and/or equivalent experience.</p> <p>Mainframe Certifications / Badges is an added advantage.</p> <p>&nbsp;</p> <p>&nbsp;</p> <p><strong>ADDITIONAL INFORMATION</strong></p> <p>&nbsp;</p> <p>The incumbent of this position will report to the Mainframe Optimize / Mainframe Academy Leader.</p> <p>Specific needs may vary based on business necessity. The qualifications and responsibilities outlined should be used as guidance regarding required and preferred skills.</p> <p>&nbsp;</p> <p><strong>Our Values</strong></p> <p>&nbsp;</p> <p>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:</p> <p>&nbsp;</p> <p><strong>Honesty</strong> - We’re transparent and accountable</p> <p><strong>Reliability</strong> - We deliver on our promises</p> <p><strong>Collaboration </strong>- We thrive as a team</p> <p><strong>Curiosity</strong> - We relentlessly innovate on behalf of our clients</p> <p><strong>Passion </strong>- We love what we do and share our enthusiasm</p> <p>Shift Timing- 1:30 PM to 10:30 PM</p> <p>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.</p>

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