Senior IT Engineer (SysOps)

Top 3 Reasons To Join Us Attractive salary package Working with big international clients Advanced AON health insurance The Job We are looking for an IT Engineer (SysOps) to ensure stable, secure, and high-performance IT infrastructure operations for the company and indirectly for our global clients. JOB DESCRIPTION The main responsibilities of the Senior IT Engineer (SysOps) include: Administer server (Windows), storage (NAS, iSCSI), Hyper-V Cluster, Active Directory, DNS/DHCP, MDT/SCCM/WSUS for endpoint management and backup/DR readiness (MABS). Organize, automate and schedule system upgrades and maintenance to minimize user disruption. Monitor and operate network devices and containerized environments, such as firewall (e.g., Palo Alto, Cisco, Fortinet), L3 router, L2 switch, VPN, and K8s, Docker; ensure network performance, security policy compliance. Troubleshoot network issues and plan capacity upgrades. Manage services on cloud-based M365, Azure, AWS. Optimize cloud resources for performance and cost efficiency. Design, develop, and deploy operational automation - including script-based incident remediation, infrastructure as code (IaC), and intelligent alert correlation - to reduce manual work and improve MTTR. Maintain infrastructure documentation; deliver technical support to internal users. Provide day-to-day support to internal/external clients if required. Provide periodic environment reviews and suggestions for enhancement of services or resiliency of environments. Your Skills and Experience JOB REQUIREMENTS 3+ years of experience in System administration, IT operations, network or cloud infrastructure management. MCSA/CCNA minimum (or equivalent certification), nice to have MCSE or equivalent certification; solid hands-on experience with Windows Server, Ubuntu, Hyper-V, K8s, Docker, and enterprise networking (L3 routing, L2 switching, firewall, VPN). Proven experience deploying and operating monitoring/alerting systems and cloud platforms (Azure or AWS). Worked with IT infrastructure operations processes aligned with ISO 27001 or ITIL. Used AI tools to implement IT operations automation (scripted remediation, IaC, or alert-driven workflows). Good communication skills in English and Vietnamese Take initiative in improving reporting, processes, workflow, and client outcomes. Why You'll Love Working Here Attractive salary with bi-yearly review, 13th-month bonus, performance bonus, public holiday bonuses, birthday gift, employee service awards up to $1,000 Opportunities to join global technical conferences A clear career path with proper training courses, workshops, fully sponsored certificate exams Advanced AON health insurance (during labor contract) and accident insurance (during probation) in addition to the regulated insurances Professional, flexible & dynamic working environment that is diversified with different nationalities, open-minded, creative, supportive, friendly, and encouraging Regular communication from Management on the company’s strategy, development plan, and new opportunities to employees Bright working space with modern facilities including the newest software Employees and families are engaged and taken care of by the company via Trade Union activities Summer kick-off at 5-star resort Sports & cultural activities all year around to strengthen both your physical & mental health NICEF - our own Charity program where our employees raise funds and help people with difficulties in Vietnam