Senior Network & Infrastructure Engineer

Position Summary:We are seeking a proactive and experienced Senior Network & Infrastructure Engineer to lead the design, implementation, operation, and security of our enterprise IT infrastructure. The successful candidate will be responsible for ensuring a secure, resilient, and high-performing environment across our on-premises and cloud platforms, supporting critical business applications and services.The ideal candidate combines strong technical expertise with leadership, a security-first mindset, and excellent documentation and problem-solving skills.

Key Responsibilities

Design, implement, and maintain enterprise network infrastructure using Cisco and Huawei technologies, including LAN, WAN, WLAN, VPN, and SD-WAN.Manage and optimize network, server, and cloud infrastructure, including Microsoft Azure and Microsoft 365 environments.Configure, manage, and secure Fortinet firewalls, VPNs, network segmentation, IDS/IPS, and other security solutions.Perform vulnerability assessments, coordinate penetration testing, and lead remediation activities to strengthen the organization's cybersecurity posture.Monitor infrastructure performance, troubleshoot complex issues, and ensure high availability, disaster recovery, and business continuity.Develop and maintain network diagrams, technical documentation, standards, and operational procedures.Lead infrastructure enhancement projects and provide technical guidance and mentoring to junior engineers.Collaborate with application, cybersecurity, and business teams to deliver secure, reliable, and scalable IT services.Evaluate emerging technologies and recommend improvements to enhance infrastructure performance and security.

Qualifications

Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field.Minimum 7 years of experience in enterprise network and infrastructure engineering.Strong hands-on experience with Cisco and Huawei networking technologies.Proven experience managing Fortinet firewalls and enterprise network security.Strong knowledge of routing, switching, wireless networking, VPN, TCP/IP, DNS, DHCP, and network security.Experience with Microsoft Azure, Microsoft 365, hybrid infrastructure, virtualization (VMware or Hyper-V), backup, and disaster recovery solutions.Experience supporting SAP S/4HANA environments from an infrastructure and connectivity perspective.Experience in vulnerability management, penetration testing coordination, and infrastructure security hardening.Knowledge of enterprise ERP environments is an advantage.PowerShell or Python scripting experience is a plus.Preferred Certifications:Cisco CCNP Enterprise or CCNP SecurityHuawei HCIP or HCIEFortinet NSE / FCSSMicrosoft Azure Administrator or Azure Solutions ArchitectCISSP, CEH, or CompTIA Security+Key Competencies:Strong leadership and ownership mindset.Proactive, analytical, and solution-oriented.Excellent troubleshooting and decision-making skills.Strong technical documentation and change management practices.Effective communication and stakeholder management.Commitment to continuous improvement, operational excellence, and cybersecurity best practices.