Sr Tower Lead (Support & Operations)

Job description

Job Summary : Network Engineer Position Summary The Network Engineer is responsible for the design, implementation, support, security, and lifecycle management of enterprise network infrastructure. This role provides operational support, executes infrastructure projects, manages network changes through ServiceNow, and tracks engineering work through Azure DevOps (ADO). The ideal candidate will have hands-on experience with Cisco, Palo Alto, Juniper, Aruba, and ClearPass technologies in a multi-site enterprise environment. ________________________________________ Key Responsibilities Key Responsibilities Network Operations & Support • Monitor, maintain, and troubleshoot enterprise network infrastructure. • Support LAN, WAN, WLAN, VPN, and internet connectivity services. • Diagnose and resolve complex network performance and connectivity issues. • Perform root cause analysis and implement corrective actions. • Participate in on-call support and maintenance activities. • Maintain accurate network documentation, standards, and diagrams. Network Engineering • Design, configure, deploy, and support network solutions using Cisco, Juniper, and Aruba technologies. • Implement network upgrades, refreshes, migrations, and expansion projects. • Configure and maintain routing and switching environments. • Support wireless network deployments and optimization activities. • Develop implementation plans, testing procedures, and rollback strategies. Firewall & Security Management • Administer and support Palo Alto firewalls and associated security platforms. • Manage firewall rule requests, modifications, reviews, and decommissioning activities. • Configure and troubleshoot security policies, NAT, VPN tunnels, and security zones. • Ensure network segmentation and access controls align with cybersecurity standards. • Conduct periodic firewall rule audits and policy reviews. • Support vulnerability remediation and security incident response efforts. • Implement role-based and policy-driven access controls. • Troubleshoot user authentication and access issues across enterprise environments. ServiceNow Change & Incident Management • Manage incidents, service requests, problems, and changes using ServiceNow. • Create and document change requests, risk assessments, implementation plans, and validation results. • Execute approved network changes during maintenance windows. • Participate in Change Advisory Board (CAB) reviews. • Ensure compliance with change management procedures and audit requirements. Azure DevOps (ADO) Workflow Management • Utilize Azure DevOps Boards to manage engineering tasks, project work, and technical backlog items. • Update work item status and maintain project documentation. • Participate in sprint planning, backlog grooming, and project reviews. • Track project milestones, deliverables, and infrastructure lifecycle activities. • Maintain technical documentation and implementation records Skill Requirements Required Qualifications • Bachelor\'s degree in Information Technology, Engineering, Computer Science, or equivalent experience. • 5+ years of enterprise network engineering experience. • Hands-on experience with: o Cisco Routing and Switching o Palo Alto Firewalls o Juniper Networking Technologies o Aruba Wireless Solutions o Aruba ClearPass • Strong knowledge of: o VLANs o OSPF o BGP o STP o DHCP o DNS o VPN Technologies o Network Security Principles o 802.1X Authentication • Experience using ServiceNow for incident, problem, and change management. • Experience using Azure DevOps (ADO) for project tracking and workflow management. • Strong troubleshooting, documentation, and communication skills. Preferred Qualifications • Cisco CCNP Enterprise • Palo Alto PCNSE • Aruba Certified Mobility Professional (ACMP) • Aruba ClearPass Certification • Juniper JNCIS or JNCIP • ITIL Foundation Certification • Experience supporting industrial, manufacturing, or operational technology (OT) Other Requirements Preferred Qualifications • Cisco CCNP Enterprise • Palo Alto PCNSE • Aruba Certified Mobility Professional (ACMP) • Aruba ClearPass Certification • Juniper JNCIS or JNCIP • ITIL Foundation Certification • Experience supporting industrial, manufacturing, or operational technology (OT) Maximum Salary (US): Minimum Salary (US): 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 223,000 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 June 2026 totaled $14.8 billion. Compensation and Benefits A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year. • 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. 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