Sr Subject Matter Expert (Support&Ops)

Job description

We are looking for an experienced Network Engineer with 7+ years of hands-on experience in designing, implementing, configuring, and supporting enterprise network infrastructure. The ideal candidate should possess strong expertise in Cisco Routing & Switching , Palo Alto Firewalls , Site-to-Site VPNs , and DNS technologies . The candidate will be responsible for ensuring secure, reliable, and high-performing network operations across multiple locations. Key Responsibilities Configure, implement, and troubleshoot Cisco Routers and Switches in enterprise environments. Deploy, manage, and optimize Palo Alto Firewalls , including security policies, NAT, application control, and threat prevention. Design, configure, and maintain Site-to-Site VPN connectivity between corporate offices, data centers, and cloud environments. Manage and troubleshoot DNS infrastructure to ensure high availability and performance. Perform network monitoring, fault isolation, root cause analysis, and performance tuning. Support LAN, WAN, and Internet connectivity across multiple locations. Implement network security best practices and ensure compliance with organizational standards. Collaborate with cross-functional teams to support infrastructure projects, migrations, and upgrades. Create and maintain network documentation, topology diagrams, and operational procedures. Participate in incident management, change management, and problem management activities. Skill Requirements 7+ years of experience in Network Engineering and Infrastructure Support. Strong hands-on experience with: Cisco Routers & Switches Configuration and Implementation Palo Alto Firewall Configuration and Implementation Site-to-Site VPN Configuration and Troubleshooting DNS Administration and Troubleshooting Experience with network monitoring and troubleshooting tools. Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Other Requirements Cisco Certifications (CCNA, CCNP, or equivalent). Palo Alto Certifications (PCNSA/PCNSE). Experience with cloud networking (Azure/AWS) is an added advantage. Knowledge of security best practices and network hardening techniques. Top Skills Cisco Routing & Switching Palo Alto Firewall Administration Site-to-Site VPN Implementation DNS Management & Troubleshooting Network Security & Troubleshooting Apply now Information at a Glance Why HCLTech? At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first. HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2026 totaled $14.8 billion. Disclaimer Privacy Statement Terms of use Sitemap Raise a Grievance We use cookies on our site. Please read more about cookies policy here. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Copyright © 2026 HCL Technologies Limited Cookie Consent Manager When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. Because we respect your right to privacy, you can choose not to allow some types of cookies. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer. 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