Sr Tower Lead (Support & Operations)
About this role
Job Summary
Mainframe Network
Role Summary
Responsible for the administration, support, maintenance, and optimization of IBM Mainframe network infrastructure, ensuring secure, stable, and high-performing connectivity between mainframe systems, distributed platforms, applications, and external networks. The role supports business-critical production environments and drives continuous improvement, automation, and operational excellence.
Technical Skills Required
Mandatory
- IBM z/OS
- VTAM
- TCP/IP for z/OS
- SNA Networking
- OSA Configuration
- NCP Concepts
- JES2/JES3 Connectivity
- TSO/ISPF
- RACF Security Basics
- SDSF
- Network Diagnostics and Tracing
Preferred
- NetView
- System Automation
- MQ
- CICS Connectivity
- FTP/SFTP
- Connect:Direct
- SSL/TLS Certificates
- Network Performance Tuning
- Mainframe Automation Tools
- Disaster Recovery Processes
Experience Levels
Associate General Manager / Lead (E4.2-E5.1)
- 10+ years in Mainframe Infrastructure
- 5+ years in Mainframe Networking
- Expertise in VTAM/TCP-IP architecture
- Client-facing delivery experience
- Team leadership and technical governance
- Transformation and modernization exposure
Soft Skills
- Stakeholder Management
- Client Communication
- Incident Management
- Problem Solving
- Leadership and Mentoring
- Documentation and Governance
- Continuous Improvement Mindset
Key Responsibilities
- Administer and support VTAM, TCP/IP, and SNA network environments.
- Configure and maintain mainframe communication resources and network definitions.
- Monitor network performance, availability, and capacity utilization.
- Troubleshoot network connectivity issues impacting CICS, MQ, IMS, DB2, and batch workloads.
- Perform incident, problem, and change management activities.
- Coordinate with distributed network, security, storage, and infrastructure teams.
- Implement network-related software upgrades, maintenance, and vulnerability remediation.
- Support disaster recovery, business continuity, and infrastructure resilience initiatives.
- Develop and maintain operational documentation, runbooks, and standard operating procedures.
- Drive automation and process improvements to enhance service quality and reduce manual effort.
- Participate in on-call support and critical production issue resolution.
- Ensure compliance with security, audit, and regulatory requirements.
Skill Requirements
- Stakeholder Management
- Client Communication
- Incident Management
- Problem Solving
- Leadership and Mentoring
- Documentation and Governance
- Continuous Improvement Mindset
Other Requirements
- Mainframe Network Support (VTAM)
- Network Automation
- Performance & Capacity Management
- Mainframe Security Integration
- z/OS Infrastructure Services
- Architecture & Engineering Support
Frequently Asked Questions
Is the salary disclosed for the Sr Tower Lead (Support & Operations) position at HCLTech?
The salary for this Sr Tower Lead (Support & Operations) role at HCLTech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Sr Tower Lead (Support & Operations) position at HCLTech located?
This Sr Tower Lead (Support & Operations) role at HCLTech is based in Chennai, India. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
How do I apply for the Sr Tower Lead (Support & Operations) position at HCLTech?
Click the "Apply Now" button on this page. You will be redirected to HCLTech's official application portal hosted on successfactors where you can submit your application directly.
When was the Sr Tower Lead (Support & Operations) job at HCLTech posted?
This Sr Tower Lead (Support & Operations) position at HCLTech was posted on Sep 21, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr Tower Lead (Support & Operations)
HCLTech
You'll be redirected to HCLTech's official application page on successfactors.