Senior Mainframe Technical Lead – z/OS, DB2 & CICS

Nityo Infotech; Texas; On-site; USD 140,000 - 190,000; Full time

Job summary

Nityo Infotech seeks an experienced Mainframe Technical Lead (L3) to lead and manage a team supporting enterprise z/OS infrastructure and DB2 environments. The role emphasizes platform availability, performance, security, and modernization for 24x7 operations.

You will drive incident resolution, governance, and automation initiatives across z/OS subsystems. Strong leadership and customer-facing skills are essential for success.

Qualifications

• 10+ years of Mainframe infrastructure experience with leadership.
• Strong customer-facing communication and stakeholder management skills.
• Experience with incident, change, and capacity management in 24x7 environments.
• Proven ability to mentor and develop teams of Mainframe personnel.
• CICS, DB2, z/OS expertise with automation and governance focus.

Responsibilities

• Lead and mentor Mainframe Systems Programmers and DB2 Administrators across onsite, offshore, and nearshore teams.
• Provide L3 support for complex z/OS, CICS, DB2, JES, RACF, and related issues.
• Oversee installation, configuration, migration, and upgrades of z/OS and ISV products.
• Drive incident, change, capacity, and performance management activities.
• Develop RCA, preventive actions, and SLA adherence.

Skills

z/OS

RACF

CICS administration

DB2 for z/OS

RMF/SMF

JCL/REXX

z/OS maintenance (SMP/E/RSU)

Mainframe automation tools

Ansible

Tools

NetView

System Automation for z/OS

BMC MainView

OMEGAMON

Job description

Nityo Infotech seeks an experienced Mainframe Technical Lead (L3) to lead and manage a team supporting enterprise z/OS infrastructure and DB2 environments. The role emphasizes platform availability, performance, security, and modernization for 24x7 operations.

You will drive incident resolution, governance, and automation initiatives across z/OS subsystems. Strong leadership and customer-facing skills are essential for success.