Network Engineer

ACTIV TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 42,000 - 64,000; Full time

Job summary

ACTIV TECHNOLOGY PTE. LTD. seeks a driven Network Engineer to join our team in Singapore. The role balances hands-on network infrastructure projects with day-to-day L1/L2 IT support for clients, leveraging Cisco and Fortinet gear, managing licenses, and engaging in regular client meetings to propose refreshes and improvements.

You will handle network design, troubleshooting, and documentation, and contribute to system administration, backup operations, and ongoing optimization initiatives.

Qualifications

• Strong networking knowledge and troubleshooting skills.
• Experience with enterprise networking gear and security devices.
• Ability to manage and document network topology and SOPs.
• Experience with L1/L2 IT support and client-facing communication.

Responsibilities

• Configure, deploy, and maintain enterprise networking hardware including Cisco switches/routers, APs, and FortiGate firewalls.
• Manage VLANs, routing, VPNs, firewall policies, and firmware upgrades.
• Monitor performance, troubleshoot, and perform root-cause analysis.
• Attend weekly status meetings with clients to review tickets, milestones, renewals.
• Perform Windows Server and Active Directory administration and backups.
• Assist with pre-sales proposals, BOMs, and scopes of work.

Job description

Experience: 2-3 Years

Location : Kaki Bukit, Singapore

About the Role

We are looking for a driven, detail-oriented, and adaptable Network Engineer to join our growing team. In this role, you will act as a trusted technical advisor and primary point of contact for our clients-balancing high-level network infrastructure projects with responsive day-to-day ad-hoc L1/L2 IT support.

You will work hands-on with industry-leading networking gear (Cisco and Fortinet), manage essential system and backup operations, proactively track internal and customer license expiries and maintenance windows, and partner directly with customers through weekly status meetings to recommend technology refreshes. If you are an independent, problem-solver who takes pride in operational accuracy, loves exploring new vendors, we want to hear from you.

Key Responsibilities

Network Implementation, Management & Security

• Configure, deploy, and maintain enterprise networking hardware, including (but not limited to) Cisco switches, routers, wireless access points(APs), and firewalls, as well as FortiGate firewalls.
• Manage network segmentation (VLANs), routing protocols, site-to-site and SSL VPNs, firewall security policies, and firmware upgrades.
• Monitor network performance, troubleshoot connectivity bottlenecks, and perform root-cause analysis for hardware and configuration issues.
• Maintain accurate network topology diagrams, IP address schemas, and standard operating procedures (SOPs) for internal and client environments.

Client Advisory, Lifecycle Tracking & Pre-Sales

• Attend weekly status meetings with clients to review open support tickets, project milestones, backup health, upcoming maintenance windows, and pending renewals.
• Proactively monitor and track license expiry dates , support contracts, and maintenance windows for both our internal company infrastructure and customer environments (e.g., FortiGuard UTM, Cisco Smart Net, domain/SSL certificates, M365, and backup licenses) to ensure zero service lapses and timely renewal proposals.
• Assess existing customer IT environments to identify End-of-Life (EOL) / End-of-Support (EOS) hardware, security gaps, and performance bottlenecks.
• Recommend practical, scalable IT solutions and technology refresh roadmaps tailored to client budgets and business goals.
• Draft clear, compelling technical proposals, bills of materials (BOM), and scopes of work (SOW) for customer IT projects, renewals, and upgrades.
• Rapidly self-learn, test, and deploy network products from new and emerging hardware/software vendors to meet evolving client needs.

System Administration, End-User Support & Backup Operations

• Provide responsive ad-hoc L1/L2 IT service and troubleshooting (both remote and on-site) for client end-users, resolving desktop/laptop OS issues, M365/Outlook email problems, printer/peripheral connectivity, and software access requests.
• Perform day-to-day Windows Server and Active Directory (AD) administration, including user onboarding/offboarding, group management, Group Policy (GPO) basics, file permissions, DNS, and DHCP.
• Execute and verify file system and email server backups, ensuring data integrity, proper retention, and readiness for disaster recovery.
• Conduct routine system health checks, patch management, and preventative maintenance across internal and client schedules.

Operational Efficiency & Continuous Improvement

• Liaise with third-party vendors, ISPs, and hardware principals to manage maintenance windows and resolve escalated support tickets.

System Administration

• Server and System Management: Install, configure, and maintain operating systems (such as Windows, Linux, and macOS) on physical and virtual servers.
• Security Implementation: Deploy and manage firewalls, antivirus tools, security patches, and vulnerability assessments.
• Backup and Disaster Recovery: Design and execute data backup strategies, test recovery protocols, and ensure business continuity.
• User and Access Control: Create, modify, and delete user accounts, manage permissions, and handle directory services.
• Performance Monitoring: Track server health, CPU usage, memory utilization, and network activity to prevent bottlenecks.
• Troubleshooting and Support: Diagnose and resolve hardware, software, and connectivity issues for end users and internal teams.
• Automation and Scripting: Write scripts using tools like Python, Bash, or PowerShell to automate routine tasks like updates and backups.
• Documentation: Maintain clear logs of system configurations, network diagrams, and incident response runbooks.
• Virtual Infrastructure Management: Deploy, configure, and maintain virtual machines (VMs), ESXi hosts, and vCenter Servers.
• Lifecycle Management: Plan and execute patches, updates, and major upgrades for ESXi hosts and vCenter environments using Lifecycle Manager.
• System Customization & Architecture: Map business processes to application workflows by creating custom modules in Odoo, config