Sr Subject Matter Expert (Support&Ops)
HCLTech
Noida, Uttar Pradesh, IndiaPosted about 1 month agoDiscoveredMatch locked
Job Summary
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, and major cloud platforms (AWS, Azure).
This role combines network engineering with Reliability Engineering principles—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 architectures. 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.
Required Skills & Experience (15 Years Profile)
•
Core Networking
(10+ years hands-on):
- 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, 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.
Education
: Bachelor’s or Master’s in Computer Science, Engineering, or related field (or equivalent experience).
Preferred Certifications
:
- CCIE (Enterprise, Data Center, or Security)/CCNP (R&S)
Other Requirements
null
Not included in the source posting: about the role, benefits.
Skills
sreansiblegrafanaprometheusci-cdjenkinspythonterraformawsazuredevopsdjango
Who can apply
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