L3 Network Engineer

Job Description Role Overview We are looking for a highly experiencedL3 Network Engineerto lead the design, implementation, and support of global IT infrastructure solutions. This role requires a deep understanding of networking, hosting (cloud and on-premise), endpoint security, and integration of enterprise systems. The successful candidate will serve as the final technical escalation point, drive infrastructure initiatives, and ensure security, scalability, and high availability across the landscape. Key Responsibilities - Act as a senior technical authority, engaging with multiple domains and business units to translate demand into secure and scalable solutions. - Define and implementcloud-based and hybrid infrastructure solutions, including high availability and disaster recovery designs. - Leaddata center, hosting, endpoint, and network securityinitiatives to safeguard enterprise systems. - Analyze current infrastructure, identify gaps, and developfuture-state roadmaps and implementation plans. - Overseedata migration, integration, and consolidation effortsduring large-scale initiatives such asMergers & Acquisitions. - Install, configure, and support: - Windows & Linux servers, Active Directory, ADFS, and Azure AD. - Networking technologies: SD-WAN, MPLS, LAN/WAN, Wi-Fi, Firewalls/IDS/IPS, VPN, IPsec/GRE, IPAM, UTM. - Security solutions: NGFW, WAF, CASB, SIEM, DDoS mitigation, vulnerability management. - Support and optimize enterprise platforms includingSAP S/4HANA, Exchange, VDI, Proxy/Load Balancers, and Hyperconverged Infrastructure (Nutanix preferred). - Develop and maintainautomation scripts(PowerShell, Python, TCL) to improve efficiency. - Drivedocumentation, SOP creation, governance, and compliance alignmentwith CIS, NIST, ISO 27001, and other frameworks. - Serve as the final escalation point for infrastructure operations teams, ensuring problem resolution and trend analysis. - Leadbusiness continuity and disaster recovery planningactivities. - Collaborate with global IT teams (Security Ops, Identity, Infrastructure Ops, Applications, Cyber Governance) to deliver end-to-end IT services. - Manage and govern external partners/vendors, ensuring quality and secure delivery. - Stay current with emerging technologies and trends to shape infrastructure strategy. Qualifications & Experience - Bachelor's degree inComputer Engineering, Computer Science, or related field. - 10+ years of hands-on experiencein designing, building, and supporting enterprise/global infrastructure. - Strong expertise in: - Azure Cloudarchitecture & Microsoft security stack (Defender ATP, MDE, MDI, MDC). - Networking protocols & technologies: IPv6, OSPF, BGP, VPN, GRE, IPsec, QoS. - Security frameworks & tools: Firewalls, IDS/IPS, AV, DoS/DDoS, CDN, CASB, SIEM. - Core IT Infrastructure: Active Directory, Exchange, DNS, DHCP, LDAP, RADIUS, clustering, certificate management. - Backup/DR: Veeam, SCOM, SCCM, Horizon VDI. - Experience withMerger & Acquisition (M&A) due diligence and integration. - Knowledge ofOT security, SASE, SD-WAN, cloud-native technologies (containers, CI/CD, IaC automation). - Strong vendor management and coaching skills in outsourced environments. Certifications (Preferred/Required) - Security Certifications: CISSP, CISA, CISM, GIAC suite. - Networking: CCNP/CCDP/CCIE/CCDE. - Cloud: Microsoft Certified Azure Solution Architect. - Best Practices: ITIL v3/v4. Soft Skills - Strongleadership, planning, and organizational skills. - Excellentverbal and written communication, with ability to engage stakeholders across business and IT. - Customer-focused mindset, capable of balancing operational needs with security and innovation. - Team player in amulticultural and global environment.