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Senior Mainframe Systems Programmer



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 


Mainframe Systems Programmer – zOS ISV (Software Factory)


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 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.


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

Support storage management, performance tuning, capacity planning, security, networking, and operating procedures.

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

Participate in software 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, Subsystems-DB2, CICS, MQ)
    • JES3/JES2 and Operating system z/OS.
    • zOS System Programming SMP/E
    • ISPF/TSO
    • In depth knowledge of REXX/CLIST
    • Microsoft Office skills.

Required Skills

  • 5+ 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


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

Mainframe Certifications / Badges is an added advantage.


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


More career opportunities at Ensono

Explore additional openings with our team, and apply today.

Start your digital transformation today.