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Prime System Solutions

Senior Systems & Network Engineer 3

System Administration +1Confirmed live in the last 24 hours
Full-timeQuezon City, Metro Manila, Philippines$90k - $100k

About the Job

Requirements

  • A bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience.
  • 5–8+ years of experience in Systems Administration, Network Engineering, Infrastructure Engineering, or a senior Managed Service Provider environment.
  • Extensive experience supporting enterprise-level Microsoft, networking, virtualization, and cloud technologies.
  • Strong experience working in Managed Service Provider environments supporting multiple clients.
  • Experience with Windows Server, Active Directory, Azure Active Directory (Entra ID), Microsoft 365, Exchange Online and Hybrid Exchange, SharePoint Online, Teams, OneDrive, Intune, Group Policy, DNS, DHCP, DFS, PKI, Certificate Services, and PowerShell.
  • Experience with Cisco, Meraki, SonicWall, Fortinet, Palo Alto, Ubiquiti, VLANs, routing and switching, Site-to-Site VPN, SSL VPN, SD-WAN, TCP/IP, NAT, ACLs, QoS, and wireless networking.
  • Experience with VMware ESXi, VMware vCenter, VMware HA, DRS, vMotion, Hyper-V, and storage management.
  • Experience with Microsoft Azure, Azure Virtual Machines, Azure Networking, Azure Storage, Azure Backup, Azure Monitor, Azure Security, and hybrid cloud infrastructure.
  • Experience with Veeam, Datto, Barracuda, Microsoft Defender, Sentinel, Endpoint Detection and Response, vulnerability management, disaster recovery, and business continuity.
  • Experience with ConnectWise, Kaseya, Datto RMM, NinjaOne, N-able, IT Glue, ServiceNow, Remote Monitoring and Management, and Remote Desktop Protocol.
  • Ability to work across infrastructure, networking, virtualization, cloud, and security technologies in multiple client environments.

Responsibilities

  • Design, implement, and maintain enterprise Windows Server environments.
  • Architect and manage Active Directory, Azure Active Directory (Entra ID), DNS, DHCP, DFS, PKI, Certificate Services, File Services, and Group Policy.
  • Design and administer hybrid Microsoft 365 and Azure environments.
  • Plan and execute infrastructure upgrades, migrations, consolidations, and modernization projects.
  • Perform capacity planning, performance tuning, and infrastructure optimization.
  • Design, deploy, and troubleshoot enterprise LAN, WAN, SD-WAN, VLANs, VPNs, routing, switching, wireless networks, and high-availability architectures.
  • Configure and support enterprise networking platforms including Cisco, Meraki, SonicWall, Fortinet, Palo Alto, and Ubiquiti.
  • Troubleshoot routing protocols, VPN tunnels, firewall policies, NAT, ACLs, QoS, and network segmentation.
  • Support multi-site and Site-to-Site VPN environments.
  • Administer Microsoft 365, Exchange Online, SharePoint Online, Teams, OneDrive, Defender, and Intune.
  • Design Conditional Access policies, MFA, Autopilot deployments, compliance policies, and endpoint security.
  • Perform advanced Exchange administration, including hybrid Exchange environments.
  • Design and manage enterprise Group Policy Objects and security baselines.
  • Design and administer VMware vSphere, ESXi, vCenter, Hyper-V, and clustered virtualization environments.
  • Manage storage, snapshots, high availability, DRS, vMotion, replication, and virtual networking.
  • Design and support Microsoft Azure infrastructure, including virtual networks, virtual machines, storage, identity, backup, monitoring, and governance.
  • Support cloud migration and hybrid cloud initiatives.
  • Implement Zero Trust security principles and identity management best practices.
  • Configure Microsoft Defender, Sentinel, Azure Security Center, Conditional Access, and endpoint security solutions.
  • Perform vulnerability assessments, security remediation, patch management, and hardening activities.
  • Investigate security incidents and assist with incident response and remediation.
  • Ensure compliance with industry standards and security best practices.
  • Design and maintain backup and disaster recovery solutions using Veeam, Datto, Barracuda, Azure Backup, and similar technologies.
  • Perform backup validation, recovery testing, replication monitoring, and disaster recovery planning.
  • Conduct periodic recovery drills and document recovery procedures.
  • Develop automation scripts using PowerShell and other scripting technologies.
  • Improve operational efficiency through automation, standardization, and process optimization.
  • Build documentation, knowledge base articles, standard operating procedures, and infrastructure standards.
  • Identify recurring issues and implement permanent corrective actions.
  • Serve as the final escalation point for complex infrastructure, networking, virtualization, and cloud issues.
  • Perform advanced root cause analysis and implement permanent resolutions.
  • Lead major incident investigations and post-incident reviews.
  • Coordinate with vendors, Microsoft, hardware manufacturers, internet service providers, and third-party providers during critical incidents.
  • Mentor and coach L1 and L2 engineers through technical guidance and knowledge sharing.
  • Participate in technical reviews, project planning, and change management.
  • Collaborate with cross-functional teams to deliver infrastructure projects on time.
  • Maintain accurate technical documentation and ensure adherence to ITIL best practices.

Desired Qualifications

  • Microsoft Certified: Azure Administrator Associate certification.
  • Microsoft Certified: Azure Solutions Architect Expert certification.
  • Microsoft Certified: Enterprise Administrator Expert certification.
  • VMware VCP certification.
  • Cisco CCNP certification.
  • Fortinet NSE certification.
  • Palo Alto PCNSE certification.
  • ITIL Foundation certification.
  • CompTIA Security+ certification.

About the Company

Prime System Solutions

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