Senior IT System Engineer (based in Da Nang)

The Senior System Engineer is a key technical authority within SmartDev’s IT Infrastructure team. You will own the reliability, performance, and security of our systems - spanning on-premises hardware, cloud workloads, and the network fabric that connects them. You are the primary escalation point for complex incidents and a trusted partner to development and product teams.

System & Infrastructure Operations

• Resolve and close incidents and service requests in line with help desk SLAs, acting as the first point of escalation for system-related issues.
• Plan and execute hardware and software deployments, upgrades, and lifecycle maintenance.
• Monitor system health, performance, and capacity; proactively address risks before they impact service.
• Maintain scheduled data backups and validate restore procedures regularly.

Network Administration

• Administer and maintain wired and wireless network infrastructure, including LAN/WAN, load balancers, and firewall devices.
• Run regular network and data-security assessments and act on findings promptly.

Email Management

• Administer Exchange Online and other mail services like Sendgrid; configure and maintain mail flow rules, connectors, and anti-spam/anti-phishing policies.

Procurement & Vendor Coordination

• Evaluate tools and vendors to recommend cost-effective, future-proof solutions.

Continuous Improvement & Reporting

• Identify and drive improvements to systems, tooling, and operational processes.
• Produce and share clear, regular operational reports for stakeholders and leadership.
• Maintain accurate technical documentation and runbooks.

• 4+ years as a System Administrator, with hands-on expertise in Linux/Windows environments.

Technical Skills

• Networking — LAN/WAN, load balancing, firewall configuration and management.
• Virtualization — Xen, KVM, or VMware.
• SaaS Administration — Microsoft 365 Global Admin and Jira/Confluence Admin.
• IT Management Platforms — Endpoint Management, Endpoint Security (ManageEngine or equivalent ITSM/RMM tooling), including policy configuration, agent deployment, and antivirus/EDR policy, patch automation, software inventory & compliance
• Web Services — Nginx, Apache, reverse proxy configuration.
• Observability & Monitoring — Grafana, Prometheus, ELK Stack, or PRTG.
• Scripting — Bash and/or PowerShell for automation and task management.
• Email — MS Exchange Online / SendGrid

Soft Skills & Other Requirements

• Communicates clearly in English (reading, writing, speaking, and listening).
• Able to produce concise technical documentation for varied audiences.
• Strong analytical mindset with a bias towards proactive problem-solving.

Nice to Have

• Cloud platforms — AWS or Azure knowlegde and hands on
• Containerisation — Docker and/or Kubernetes.
• CI/CD pipelines — GitHub Actions, GitLab CI, Jenkins, or similar.

• International working environment with AI-driven strategic direction.
• 20 days of annual leave – Hybrid working mode.
• Premium healthcare package with PVI and comprehensive annual health check-ups
• Competitive salary & 13th salary bonus
• Lunch allowance to fuel your productivity.
• Engaging company culture with fun activities
• Global collaboration – Work with both Vietnamese and international colleagues.