Senior System Engineer — Managed Service Platform

• Evaluate and implement the platform: Compare shortlisted open-source and commercial solutions through practical pilots, document capabilities/integration effort/operating costs/limitations, recommend a stack to the Tech Lead, and implement the approved solution.
• Build the hosting environment: Configure servers, virtual machines, operating systems, databases, network connectivity, certificates, storage, and supporting services; maintain separate test and production environments with repeatable deployment procedures.
• Implement infrastructure monitoring: Deploy central monitoring and customer-site collectors; configure discovery, monitoring templates, dashboards, thresholds, dependencies, maintenance windows, and checks for networks, Windows/Linux servers, virtualization, and agreed cloud services.
• Integrate monitoring with service operations: Build or configure API and webhook integrations so alerts create/update correct tickets and notify appropriate engineers; implement duplicate-event handling, retries, recovery updates, and notification continuity during ticketing outages.
• Implement customer separation and secure access: Configure customer-scoped permissions, SSO/MFA, service accounts, secrets handling, and audit records.
• Automate repeatable work: Develop reviewed scripts and Ansible workflows for installation, configuration, inventory, diagnostics, and approved operational tasks; use version control, scoped credentials, execution records, and rollback procedures.
• Validate production readiness: Test backups and restoration, supported high availability, collector disconnections, platform failures, capacity, and customer onboarding/offboarding; track defects and provide evidence against agreed acceptance criteria.
• Prepare operational handover: Deliver deployment documentation, diagrams, runbooks, troubleshooting guides, and onboarding checklists; train operations staff, mentor the System Intern, and provide technical escalation after launch under an agreed support arrangement.

• At least 3 years of relevant systems or infrastructure engineering experience, including hands-on implementation of production environments.
• Experience delivering at least one monitoring, infrastructure management, or service-management platform through deployment and operational handover.
• Strong Linux administration and practical Windows Server knowledge.
• Working knowledge of TCP/IP, DNS, routing, firewalls, TLS, virtualization, and cloud infrastructure.
• Practical experience with monitoring configuration, alert tuning, and incident workflows.
• Ability to integrate systems using REST APIs, webhooks, and scripting in Python, PowerShell, or Bash.
• Experience with Git and configuration automation, preferably Ansible.
• Ability to document designs, explain technical tradeoffs, and coordinate implementation with colleagues, customers, and vendors.
• Ability to read and work with English technical documentation.

Preferred experience

• Zabbix or ManageEngine OpManager; iTop, ServiceDesk Plus MSP, or comparable CMDB/ITSM platforms.
• NetBox, paging platforms, secrets management, or privileged-access tooling.
• VMware, Hyper-V, or another virtualization platform; AWS, Azure, or GCP.
• Database administration, container deployment, or infrastructure as code.
• Experience in an MSP, managed hosting, or multi-customer environment.

BENEFITS

• Competitive salary, negotiable based on qualifications and experience.
• Performance- and project-based bonuses.
• 13th-month salary and Tet bonus, subject to the Company’s business performance.
• Salary review 1–2 times per year.
• Bonuses on major public holidays and monthly recognition/reward programs.
• Overseas travel rewards for outstanding employees.
• Full statutory social insurance, health insurance, and other benefits in accordance with Vietnamese labor law.
• Annual health check-ups.
• Annual leave entitlement, with additional leave based on seniority and job level.
• Seniority allowance, training allowance, and business travel expenses.
• Company-provided laptop and uniform.
• Annual company trips and team-building activities.
• Professional working environment with opportunities to collaborate with leading technology vendors and major partners.
• Training and career development opportunities, with a clear path toward Senior Account Manager or Business Development Manager roles.
• Diverse and engaging company culture with a wide range of activities, including sports, team building, entertainment, and other employee engagement programs.