Tower Lead (Support & Operations)

Sapsf; Singapore; Presencial; SGD 120.000 - 180.000; Jornada completa

Descripción de la vacante

HCLTech seeks a seasoned Network Reliability Engineer to lead design, operation, and optimization across hybrid and cloud networks. You will ensure high availability and performance for on-prem, SD-WAN, and cloud environments.

The role emphasizes automation, observability, incident prevention, and rapid recovery, with opportunities to mentor engineers and collaborate across teams in a global, 24x7 on-call rotation.

Formación

• Bachelor's or Master's degree in computer science, engineering, or related field.
• CCIE and/or CCNP certification is preferred.
• Deep expertise in routing, switching, firewalls, load balancers, VPNs, and SD-WAN.
• Experience applying SRE principles (error budgets, toil reduction, automation).
• Proficiency in scripting (Python) and IaC (Terraform, Ansible).

Responsabilidades

• Reliability & Availability: Design and implement highly reliable network infra. Define and track SLOs, SLIs, and error budgets.
• Incident Management: Lead major incident response, RCA, post-mortems and drive corrective actions.
• Automation & Self-Healing: Build automation scripts and self-healing mechanisms for provisioning, config, monitoring, and failover.
• Monitoring & Observability: Develop dashboards and alerts using Prometheus, Grafana, Datadog, Splunk, etc.
• Capacity Planning & Performance: Conduct capacity planning and performance tuning; chaos engineering for resilience.
• Security & Compliance: Collaborate on network security posture and zero-trust models.
• Cross-functional Collaboration: Work with DevOps, SRE, Cloud, Security, and Applications teams.
• Mentorship: Guide junior engineers and share knowledge globally.

Conocimientos

Networking

SRE Practices

Python

Terraform

Ansible

CI/CD

Wireshark

On-call

Educación

Bachelor's/Master's in CS/Engineering

CCIE/CCNP certification

Herramientas

Prometheus

Grafana

Django

Datadog

Jenkins

GitOps

Ansible

Wireshark

tcpdump

Descripción del empleo

Career Opportunities: Tower Lead (Support & Operations) (144823)

Requisition ID144823-Posted08/27/2026

HCLTech is seeking a seasoned Network Reliability Engineer (NRE) with deep expertise in designing, operating, and optimizing hybrid & cloud network environments. You will focus on ensuring high availability, scalability, performance, and resilience of enterprise networks spanning on-premises data centers, SD-WAN, ACI, and major cloud platforms (AWS, Azure). This role combines network engineering with Reliability Engineering principle, emphasizing automation, observability, proactive incident prevention, and rapid recovery to meet stringent SLAs for mission-critical applications.

Key Responsibilities

• Reliability & Availability: Design and implement highly reliable network infra. Define and track Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets.
• Incident Management: Lead major incident response, root cause analysis (RCA), and post-mortem reviews. Implement blameless post-mortems and drive corrective actions to prevent recurrence.
• Automation & Self-Healing: Build automation scripts, tools, and self-healing mechanisms for network provisioning, configuration management, monitoring, and failover.
• Monitoring & Observability: Develop and maintain comprehensive dashboards, alerts, and logging using tools like Prometheus, Django, Grafana, Datadog, Splunk etc.
• Capacity Planning & Performance: Conduct network capacity planning, performance tuning, and chaos engineering to validate resilience.
• Security & Compliance: Collaborate on network security posture, zero-trust models, firewall policies, and compliance requirements.
• Cross-functional Collaboration: Work with DevOps, SRE, Cloud, Security, and Application teams to embed reliability into the development lifecycle.
• Mentorship: Guide junior engineers and contribute to knowledge sharing within the global team.

Skill Requirements

• Education:
  • Bachelor’s or master’s in computer science, Engineering, or related field (or equivalent experience).
  • Preferred CCIE and/or CCNP certification
• Core Networking
  • Deep expertise in Routing (BGP, OSPF, EIGRP), Switching (STP, VLANs, VXLAN), Firewalls, Load Balancers, VPNs, and SD-WAN.
  • Strong troubleshooting of complex Layer 2/3/4 issues.
• SRE/NRE Practices:
  • Experience applying SRE principles (error budgets, toil reduction, automation).
  • Proficiency in scripting (Python) and Infrastructure as Code (Terraform, Ansible, etc.).
• Tools & Technologies:
  • Monitoring: Prometheus, Grafana, Django, Datadog, etc.
  • CI/CD & Automation: Jenkins, GitOps, Ansible.
  • Packet analysis: Wireshark, tcpdump.
• Soft Skills:
  • Excellent problem-solving, communication, and stakeholder management. Ability to work in a global, 24x7 on-call rotation.