SmartDev is an AI-powered software development company headquartered in Vietnam, part of the Verysell Group. We help global businesses deliver faster and build smarter — combining AI-driven development practices with deep expertise across fintech, healthcare, retail, and enterprise technology. Our team of engineers, architects, and AI specialists works across the full stack: from custom software and cloud solutions to generative AI, MLOps, and intelligent automation. At SmartDev, we believe that great architecture and AI-first thinking are a competitive advantage — and we build our teams accordingly.
The company is at a pivotal point in our journey: transitioning from a pure IT outsourcing provider to an AI-enabled solutions partner.
We have over 100 talented employees working both on-site and remote/hybrid at locations:
- Hanoi: Zodiac building, 19 Duy Tan Street, Dich Vong Hau ward, Cau Giay District, Hanoi
- Danang: 81 Quang Trung, Hai Chau 1 ward, Hai Chau District, Danang
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.
Skills Required
- 4+ years as a System Administrator
- Hands-on expertise with Linux environments
- Hands-on expertise with Windows environments
- Networking: LAN/WAN, load balancers, firewall configuration and management
- Virtualization: Xen, KVM, or VMware
- Microsoft 365 Global Admin
- Jira and Confluence administration
- Endpoint management and endpoint security (ManageEngine or equivalent), including agent deployment, patch automation, and compliance
- Web services: Nginx and/or Apache reverse proxy configuration
- Observability & monitoring: Grafana, Prometheus, ELK Stack, or PRTG
- Scripting for automation: Bash and/or PowerShell
- Email administration: MS Exchange Online and SendGrid
- Clear English communication (reading, writing, speaking)
- Ability to produce concise technical documentation and runbooks
- Cloud platforms (AWS or Azure)
- Containerization: Docker and/or Kubernetes
- CI/CD pipelines: GitHub Actions, GitLab CI, Jenkins, or similar
What We Do
Founded in 1990, Verysell Group is a renowned global software development company, headquartered in Switzerland. We offer various services from staff augmentation to building bespoke software solutions for industries such as Fintech, Payment tech & InsurTech. Central to our business is the offshore development center (ODC) SmartDev LLC in Vietnam where we develop software for external customers and our in-house products such as VeryPay - a mobile money payment platform. Our offices are located in 8 cities on 4 continents. This allows us to cater to a diverse clientele, including start-ups, scale-ups, and large global enterprises. Our family of brands SmartDev, VeryPay, Smart81 & VeryPlay Studio helps us focus on specific market segments and client types. SmartDev is a broad base outsourcing partner for enterprise clients worldwide. Recognized as the Winner of SME100® Fast Moving Companies, SmartDev specializes in building FinTech apps, insurance software, and more. Smart81 is a subsidiary of SmartDev and is instrumental in accelerating growth for start-ups and scale-ups by advising, collaborating, and crafting enterprise-level technology through our offices in California, Singapore, and London – the world's leading centers of startup economy. VeryPay is a mobile payments technology provider offering technology solutions for African mobile network operators, while VeryPlay Studio serves as a full-cycle game developer, merging Switzerland's quality standards with Asia's production expertise. The Applied AI Lab, another innovative extension of the Verysell Group, showcases our commitment to AI revolution by providing high-level consulting services, aiming to integrate AI functionalities in business, thereby enhancing productivity and expanding product offerings. AI Lab is also an in-house center of excellence in this field with a mandate for AI transformation.








