David Nguyen

An experienced Systems Administrator and a U.S. Navy Sailor

Seattle, Washington, United States

About

I have 13 years of hands-on experience setting up, configuring IT Infrastructure/Systems, and coordinating IT projects. I have 8 years of experience managing technical services for data centers, managing team members, improving processes, governing policies, and building relationships with stakeholders. I have sharpened my knowledge of IT Services Management, Cloud Computing, and Cybersecurity. I am passionate about ensuring seamless and secure infrastructure for organizations to thrive. I also have experience in leading IT teams.

Experience

  • System Engineer at AvtechTyee
    Feb 2026 - Present · 5 mos

    Managing IT Systems and Networks in ITAR and CUI environment. Project working on: deploying Fortinet switches, improving security settings on Palo Alto firewall. Enhancing security by setting up GPO. Designing centralized storage TrueNAS. Implementing Quantum Tape Backup solution.

  • Logistics Specialist at Naval Supply Systems Command (NAVSUP)
    Dec 2024 - Present · 1 yr 7 mos

    - Member of U.S. Armed Forces - Sailor of the U.S. Navy Reserve - Specialized in Naval Supply

  • Senior Systems Engineer at Evergreen Treatment Services
    Sep 2024 - Dec 2025 · 1 yr 4 mos

    A NPO working to transform the lives of individuals and their communities through innovative and effective addiction and social services in Western Washington since 1973. - Managing IT systems with the highest administrative rights. - Evaluating, consulting, and leading IT operations. - Planning and executing IT Projects to implement, upgrade, and innovate IT capabilities of the organization. - Be an escalation point in case of incidents or problems. - Observing and making decisions on Information Security matters. (one of the information security officers) - Supporting C-level staff in technology. - Managing MDM solution MS Intune, implementing new policies, ensuring compliance, and fixing issues. - Managing Azure cloud-based servers, including configurations, health-check, upgrades, and patching. - Managing EntraID, M365, including user accounts, licenses, and security settings. - Implement and manage cloud-based security services: Proofpoint, Crowdstrike. - Implement and manage Universal Print. - Manage network infrastructure on Meraki Cloud.

  • Senior Systems Administrator at Absolute Security
    Jun 2018 - Sep 2024 · 6 yrs 4 mos

    A software company provides products and services in the fields of endpoint security and zero-trust security. - Delivering IT daily operations and managing projects/changes across data centers and offices in Canada, the US, the UK, and Vietnam. - Managing core infrastructure including servers, and networks, storage. - Managing security patches for all servers. Monitoring systems by PRTG. - Performing analysis on current IT problems. Providing solutions and processes to improve the performance of IT systems. - Actively monitoring and evaluating performance and detecting potential issues. - Evaluating security risks in IT systems, identifying and remediating vulnerabilities. - Performing changes to the environment, ensuring services are delivered with high satisfaction from stakeholders. - Managing endpoints using different tools: Absolute, Jamf, Intune, Crowstrike, Sophos, and Rapid7. - Managing network using Cisco Meraki Cloud - Managing VPN using NetMotion Mobility. - Managing enterprise communication systems: Fuze, WebEx, and Slack - - Managing Microsoft 365 subscriptions, licenses, groups, and users. Managing Exchange servers on-prem and Exchange Online. - Managing identity systems: Active Directory, Azure Entra ID, and the MFA system: DUO. - Performed audit on IT services and assets. Supported Hosting Operation: - Monitored Docker containers up and running healthy. Performed initial troubleshooting if an unplanned outage happened. Operated production environment based on Kubernetes. Supported development teams to troubleshoot production issues. - Experienced with IaC tools: Terraform, Ansible, Jenkin CI/CD. - Experienced with cloud platforms: Azure, AWS. - Knowledge of YAML - Knowledge of micro-services architecture.

  • Technical Services Manager at SCC
    Jul 2016 - Jun 2018 · 2 yrs

    SCC is the top 3 IT managed services provider in the UK. - As a Technical Services Manager of SCC, I have built a professional IT team to provide 24/7 IT Data Center service. - Monitored, investigated, and remediated IT incidents or problems at multiple level-3 data centers. Monitor health and compliance of 2000 racks and about 1200 servers. - Liaised with data center engineers to perform on-site checks when incidents happened. Passed through information collected to the Major Incident Management team or Problem Investigation team to report situations with customers. - Proposed change requests to remediate incidents, resolve problems, and enhance systems performance to ensure the best Service Agreement Level. - Supervised the IT experts group in monitoring, managing, and resolving critical incidents or problems at L3 and L4 Infrastructure support. - Ensured service continuity 24/7/365. Ensured daily IT operation complies with industry standards: ISO 20000, ISO 27000, and ITIL Framework. - Maintained continuity service improvement, ensured IT infrastructure running with high availability, reliably, and safely to deliver the best quality of services for European customers. - Managed, coached, and motivated team members. Analyzed individual skill, performance, KPI, shift rotation, bonus, and sick leave. - Summarized and reported daily operations to headquarters.