Senior System & Network Engineer (L2)

Lynxes HCM is hiring on behalf of one of our clients for a highly skilled and proactive Senior System & Network Engineer (L2) to join their IT team. This role involves managing, maintaining, and optimizing a hybrid corporate infrastructure across global locations. The ideal candidate will ensure the reliability, performance, and security of systems, cloud environments, and networks, while supporting high availability and business continuity across all IT services.

Key Responsibilities:

Systems Administration

• Manage and maintain Microsoft 365, SharePoint Online, Azure AD, and Hybrid Infrastructure environments.
• Oversee Domain Controller, DNS, DHCP, and Group Policies across multiple sites.
• Administer and monitor Backup solutions (Veeam, AFI, Azure backups), ensuring data integrity and recovery compliance.
• Manage Storage Area Networks and virtualized environments (VMware vSphere) for optimal performance.
• Handle Server provisioning, patching, and performance tuning for Windows and Linux systems.
• Maintain Zabbix monitoring systems, ensuring proactive system and service health checks.
• Manage AX-D365, ADFS, and MFA integrations.
• Administer printer/scanner systems, access control, NVR/CCTV, UPS, and telephony systems (Avaya and Cloud-based Extensions).
• Oversee cloud subscriptions (GoDaddy, SiteGround, Network Solutions, Zoho, Amazon, TeamViewer, Pingdom, Atlassian, SMTP2Go).
• Handle SSL certificates, domain renewals(GoDaddy), hosting management(NetworkSolutions), and license compliance.
  
  
  

Network Administration

• Configure, manage, and optimize SD-WAN infrastructure to ensure secure, reliable, and high-performance connectivity across global sites.
• Administer and maintain Fortinet firewalls, including configuration of SSL VPNs, site-to-site VPNs, and FortiAnalyzer for log analysis and reporting.
• Manage Cisco switches, Ruckus SmartZone, and Ruckus access points (APs) for enterprise-grade Wi-Fi connectivity and wireless network optimization.
• Oversee network monitoring tools such as Syslog, Pingdom, PingPlotter, and Zabbix to ensure proactive fault detection and response.
• Maintain and update network topology diagrams, public/private IP address management, VLAN configurations, and routing tables.
• Administer Avaya SBC and telephony network integration for unified communications.
• Manage Network Configuration Management (NCM) and version control for all network devices.
• Ensure a secure and efficient separate network (mobile firewall) and remote connectivity management through SD-WAN policies and VPN control.
• Lead periodic network performance audits, firewall backups, and redundancy tests to maintain business continuity and security compliance.
  
  
  

Cloud & Security Management

• Manage Azure resources, VM backups, and cloud subscription ownership.
• Implement and monitor security policies, endpoint protection, and access control.
• Ensure disaster recovery and business continuity readiness through periodic simulations.
• Manage hybrid Active Directory integrations and enforce Identity & Access Management (IAM) policies.
  
  
  

Collaboration & Communication

• Work closely with cross-functional teams to provide IT support for enterprise tools like Microsoft Teams, D365, Meeting Room 365, and enterprise Apps Integrations.
• Collaborate with vendors and external partners for upgrades, escalations, and SLA adherence.
• Prepare documentation for infrastructure layouts, system configurations, and process improvements.
  
  
  

Requirements:

To Be Successful in This Role, You Must Have:

• 4 - 8 years of hands-on experience in systems and network administration within a corporate or multinational environment.
• Proven expertise in managing hybrid cloud infrastructures (Azure and On-premises) with high availability and security.
• Strong command over VMware, Active Directory, DNS/DHCP, M365, SD-WAN, Firewalls (Fortinet), and Backup systems (Veeam, Veeam, AFi).
• Experience in SD-WAN deployment and management for multi-site connectivity and optimized bandwidth utilization.
• Practical knowledge in Ruckus wireless systems (SmartZone, AP configuration, and Wi-Fi optimization).
• Hands-on experience in network security, VPN configuration, certificate management, and disaster recovery planning
  
  
  

Education:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Relevant certifications preferred (e.g,. Azure Administrator / MCSA, VMware VCP, CCNA/CCNP, Fortinet NSE).
  
  
  

Competencies:

• Cloud & Systems: Microsoft 365, SharePoint, Azure AD, Domain Controller, Group Policies
• Virtualization & Backup: VMware, Veeam, Afi and Azure backups.
• Network & Security: Fortinet Firewalls, SD-WAN, Cisco Switching, Ruckus SmartZone & Access Points
• Monitoring & Management: Zabbix, Syslog, Pingdom, PingPlotter, FortiAnalyzer, NCM
• Core Services: DNS, DHCP, AD, SSL/VPN/Certificate Management
• Telephony & Communication: Avaya Telephony Systems, SBC, cloud-based extensions.
• Automation: PowerShell scripting and automation experience (preferred)
  
  
  

Soft Skills:

• Strong analytical and troubleshooting skills.
• Excellent English communication and documentation abilities.
• Self-motivated, proactive, and able to work in a fast-paced environment.
• Strong sense of ownership and accountability.
  
  
  

We Offer Competitive Benefits:

• Global Exposure: Opportunities to work on international projects and collaborate with global teams.
• Competitive Compensation: A salary package that recognizes your expertise and contributions.
• In-House Lunch: Delicious meals provided during work hours to keep you fueled and focused.
• Health Insurance: OPD coverage, plus IPD coverage.
• Learning Opportunities: Access to training programs, workshops, and certifications to enhance your skills.
• Work-Life Balance: Paid time off, including annual leave and holidays.
• Inclusive Environment: A workplace that celebrates diversity and fosters collaboration.