Posted 12 June, 2026
Zos System Programmer
VARITE INDIA PRIVATE LIMITED
Noida, Uttar Pradesh, IN
Full Time
Reference: 26-20696-2522-2
Company Name: VARITE India Private Limited
About The Client:
An Indian multinational information technology (IT) consulting company headquartered in Noida, The company has offices in 52 countries and over 225,944 employees. The Client is a global IT services and consulting company that offers a wide range of services and products across various industries like IT Infrastructure Services, Cybersecurity Services, Cloud Services, Big Data and Analytics, Internet of Things (IoT) Solutions, Semiconductor Services and Enterprise Software Products.
About The Job:
z/OS Upgrades and Maintenance:
Unlock Rewards: Refer Candidates and Earn.
If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.
Experience Level Bonus Referral:
About VARITE: VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.
Equal Opportunity Employer:
VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.
About The Client:
An Indian multinational information technology (IT) consulting company headquartered in Noida, The company has offices in 52 countries and over 225,944 employees. The Client is a global IT services and consulting company that offers a wide range of services and products across various industries like IT Infrastructure Services, Cybersecurity Services, Cloud Services, Big Data and Analytics, Internet of Things (IoT) Solutions, Semiconductor Services and Enterprise Software Products.
About The Job:
- We are seeking a highly skilled and experienced Mainframe z/OS Systems Programmer to join our dynamic IT team.
- The successful candidate will be responsible for the installation, maintenance, and upgrade of the z/OS operating system, as well as various Independent Software Vendor (ISV) products.
- This role requires deep technical expertise in mainframe technologies, a strong understanding of system performance tuning, problem diagnosis, and a commitment to ensuring the stability, security, and efficiency of our critical mainframe infrastructure.
z/OS Upgrades and Maintenance:
- Plan, prepare, and execute z/OS operating system upgrades (e.g., from z/OS 2.x to z/OS 3.x), including pre-installation checks, customization, testing, and post-upgrade verification.
- Apply Client PTFs (Program Temporary Fixes) and APARs (Authorized Program Analysis Reports) to maintain system integrity and resolve reported issues.
- Perform regular IPLs (Initial Program Loads) and system restarts as required for maintenance and upgrades.
- Monitor z/OS system health, performance, and resource utilization using tools like RMF, SMF, Omegamon, etc.
- Install, configure, upgrade, and maintain a wide range of Independent Software Vendor (ISV) products (e.g., Broadcom/CA, BMC, Client, Rocket Software, etc.). This includes products for security (ACF2, Top Secret, RACF), performance monitoring, job scheduling (CA-7, TWS), storage management (SMS, CA-Disk, FDR/ABR), database (DB2, IMS, VSAM), and other utilities.
- Collaborate with vendors for problem resolution, licensing, and technical support.
- Ensure compatibility and integration of ISV products with the z/OS environment.
- Perform system IPLs, reconfigurations, and PARMLIB updates.
- Manage and maintain critical system datasets (e.g., SYSRES, Page datasets, SMF datasets).
- Provide expert-level support for mainframe incidents, including problem determination, diagnosis, and resolution in a timely manner.
- Participate in on-call rotation for 24/7 support of critical systems.
- Analyze system performance data to identify bottlenecks and recommend improvements.
- Tune various z/OS components, WLM (Workload Manager), and ISV products to optimize resource utilization and application performance.
- Develop and maintain REXX, JCL, and other scripts for system automation, monitoring, and administrative tasks.
- Participate in the planning, testing, and execution of disaster recovery procedures for the mainframe environment.
- Ensure high availability and recoverability of critical systems.
- Create and maintain comprehensive system documentation, including installation guides, configuration details, operational procedures, and troubleshooting guides.
- Adhere to ITIL best practices for change management, incident management, and problem management.
- Work closely with application development teams, database administrators, operations staff, and other infrastructure teams.
- Mentor junior systems programmers and share knowledge effectively.
- Implement and enforce security best practices within the z/OS environment and for ISV products.
- Ensure compliance with internal security policies and external regulations.
- Exp: 6years -15 years
- 7-10 years of hands-on experience as a Mainframe Systems Programmer.
- In-depth knowledge and hands-on experience with z/OS operating system installation, configuration, and maintenance.
- Proven experience with major z/OS upgrades (e.g., from one version to another).
- Strong proficiency in JCL, TSO/ISPF, SMP/E, JES2/JES3.
- Extensive experience with the installation and support of various ISV products from vendors such as Broadcom/CA, BMC, Client, and Rocket Software. Specific product experience in areas like:
- Security: RACF, ACF2, or Top Secret
- Performance Monitoring: Omegamon, RMF, SMF
- Scheduling: CA-7, TWS/OPC
- Storage Management: SMS, DASD management tools (e.g., CA-Disk, FDR/ABR)
- Database: DB2, IMS, VSAM
- Utilities: DFSORT, Syncsort
- Solid understanding of mainframe networking (TCP/IP, VTAM).
- Experience with z/OS performance tuning and capacity planning.
- Proficiency in REXX or other scripting languages for automation.
- Strong problem-solving, analytical, and troubleshooting skills.
- Excellent communication (written and verbal) and interpersonal skills.
- Ability to work independently and as part of a team in a fast-paced environment.
- Strong commitment to quality and attention to detail.
- Experience with Parallel Sysplex environments.
- Knowledge of z/VM or Linux on Z.
- Experience with mainframe modernization initiatives or hybrid cloud environments.
- Certifications related to z/OS or specific mainframe technologies.
Unlock Rewards: Refer Candidates and Earn.
If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.
Experience Level Bonus Referral:
| 0-2 years | INR 5,000 |
| 2-6 years | INR 7,500 |
| 6+ years | INR 10,000 |
About VARITE: VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.
Equal Opportunity Employer:
VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.
