Senior IT System Administrator at Gradion

ABOUT US: At Gradion, we are the strategic partner for ambitious businesses, helping them achieve breakthrough growth through Digital Innovation and Deep Tech. With a global vision and an AI-first approach, we enable clients to reshape strategies, optimize systems, and adopt cutting-edge technologies to create sustainable value.   From AI and data to cybersecurity, robotics, and large-scale enterprise platforms, Gradion designs practical solutions that lay the foundation for the next generation of billion-dollar companies.   OUR FACTS & FIGURES: - 23+ years of expertise — Gradion builds digital platforms & deep-tech solutions. - 3 continents: Asia, Europe and Africa. - 300+ specialists across 7 countries Vietnam, Singapore, Thailand, Saudi Arabia, Germany, Egypt and Australia. - 100+ enterprise clients, including several unicorns (e.g., Alaiko, HomeToGo, Roadsurfer). - Vietnam’s Best IT Company – recognized by ITViec for 8 consecutive years, including 2 consecutive years of ranking #1 (2024 and 2025). - ISO 27001. CORE RESPONSIBILITIES System Administration & Infrastructure - Identity & Access Management: Manage and maintain Microsoft Active Directory (AD) and integrated SSO solutions. - MDM Ownership: Architect and oversee Mobile Device Management (MDM) policies across a heterogeneous environment comprising Windows, macOS, and Linux. - Cloud & Domains: Administer Google Workspace at the Enterprise level. - Cloud Infrastructure: Provide baseline support and monitoring for AWS environments (EC2, S3, IAM, Route 53). - Network Management: Oversee office networking hardware (Firewalls, Switches, APs), VPNs, and SD-WAN configurations. Security & Compliance - Endpoint Protection: Deploy and manage enterprise-grade Antivirus/EDR solutions across all endpoints. - Patch Management: Ensure 100% compliance on OS and third-party software updates. - Audit Readiness: Maintain comprehensive documentation for IT assets, network diagrams, and security protocols. - ISO 27001 Compliance: Uphold and support ongoing ISO 27001 certification requirements. Service Desk Excellence - Escalation Support: Serve as the final escalation tier for complex internal technical issues. - Process Improvement: Refine ticketing workflows and build a comprehensive internal Knowledge Base. - Onboarding/Offboarding: Automate the full lifecycle of employee hardware provisioning and software access management. TECHNICAL REQUIREMENTS - Operating Systems: Expert-level proficiency in Windows Server, macOS, and Linux (Ubuntu/Debian/RHEL). - Directory Services: Deep experience with Active Directory, Group Policy (GPO), and Azure AD/Entra ID. - SaaS & Cloud: Advanced Google Workspace administration and foundational AWS knowledge. - Networking: Strong grasp of TCP/IP, DNS, DHCP, VLANs, and Firewall management. - Security: Hands-on experience with EDR tools and MDM platforms. SOFT SKILLS & QUALIFICATIONS - Experience: 5+ years in IT operations, with at least 2 years in a Senior or Lead capacity. - Service Mindset: Even at a senior level, you understand that internal stakeholders (employees) are the priority. - Communication: Ability to translate complex technical concepts into clear, plain language for non-technical audiences. - Problem Solver: A "find a way or make one" approach to technical roadblocks. Why you’ll love working here?   🏆 Join Vietnam’s Best IT Company – Gradion Vietnam (formerly NFQ Vietnam) was recognized by ITViec for 7 consecutive years, including 2 successive years as the Winner. Work with some of the best minds in the industry and be part of a company that’s redefining how businesses scale through technology. 🌍 Career Growth & Leadership Development – Work closely with our leadership team, gain mentorship from experienced executives, and have direct exposure to high-level strategic decisions. Your growth is limitless, as long as you’re ready to step up, opportunities will always be there for you. 💰 Competitive Compensation – We believe great talent deserves great rewards. Expect an attractive salary, performance-based bonuses, and a benefits package that reflects your impact. We value talent over salary budgets - exceptional contributions deserve exceptional rewards. ✨ And Many More Benefits to Explore! But most importantly, a healthy work-life balance and an environment where you can thrive - professionally and personally. Including:  - A laptop is provided.  - Community Tech activities.  - A fun & dynamic environment and freedom to be creative.  - Modern office with a flexible, relaxing zone.  - Performance bonus (up to 2-month salary).  - Performance review 2 times/ year.  - Extra Premium Healthcare & Annual Health-check.  - 15 days of annual leave.   Working time: Monday – Friday (9 AM – 6 PM) Location: - Ho Chi Minh office: Podium Floor, Sapphire 2 Tower, 92 Nguyen Huu Canh Street, Thanh My Tay Ward, Ho Chi Minh City, Vietnam.         According to General Data Protection Regulation (GDPR), Singapore's Personal Data Protection Act (PDPA), and Vietnam's Decree 13/2023/ND-CP, while also ensuring compliance with other applicable local data protection laws in the jurisdictions where we operate, including but not limited to Vietnam, Thailand, Egypt, Singapore, Germany, and Saudi Arabia, Gradion applies the “Personal Data Protection Policy” to all candidates to ensure compliance with the laws. By submitting your application to Gradion, you agree to allow us to process your provided information in accordance with the Personal Data Protection Policy that you have carefully read, understood, and agreed to in its entirety at Link.