Natthida Promsorn
Canberra
Summary
Results-driven Network Supervisor with over ten years of experience in the Department of Defence, specialising in Satellite Communications and Information Technology. Proactive Team Leader excelling in fast-paced environments, adept at quickly adapting to evolving challenges while leveraging strong analytical and communication skills to deliver clear and precise briefings to high-level command in high-stakes situations. Dedicated to fostering a collaborative team culture, guiding teams toward collective goals while promoting a positive and resilient work environment. Committed to continuous professional development and actively seeking opportunities to enhance expertise in network management, cyber security, and emerging technologies to drive innovation and excellence within the ICT domain.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Network Supervisor - Communications Information System
Department of Defence, Royal Australian Navy
01.2015 - 01.2025
- Systems Administration & Infrastructure Support: Extensive experience in installing, configuring, and maintaining enterprise systems and network infrastructure, including Windows Server, Active Directory, DNS, DHCP, Group Policy, and VMware/Hyper-V virtualisation. Managed secure, mission-critical environments, ensuring optimal performance and security. Administered core services for seamless user authentication and access control, integrating with Linux systems. Oversaw Local Area Networks (LAN) and Coalition Networks, performing troubleshooting, user profile assignments, and network protocol configuration.
- Operating Systems and Application Software: Proficiently installed, configured, tested, and maintained a variety of operating systems, including Red Hat Enterprise Linux and other Linux distributions, alongside enterprise application software and system management tools. This process involved regular patching, hardening, and system audits to uphold performance benchmarks and security standards.
- Network & Hardware Management: Managed and maintained Fleet Information Environment (FIE) networks, including External Local Area Network (ELAN) and Mission Planning Environment (MPE) networks during deployments on Landing Helicopter Docks (LHDs) and Destroyers (DDGs).
- Switch Configuration and Maintenance: Configured and maintained Layer 2 and Layer 3 switching infrastructure using Cisco and Juniper devices. Established Virtual Local Area Networks (VLANs), trunk ports, and access ports, optimising network segmentation and performance to support deployable network environments.
- VoIP Systems Management: Configured, managed, and optimised Voice over IP (VoIP) systems utilising Cisco Unified Communications. Oversaw call routing, phone provisioning, and end-user support, implementing Quality of Service (QoS) settings to prioritise VoIP traffic over both LAN and WLAN, ensuring minimal latency and maximum call quality.
- Technical Documentation & Process Improvement: Created and maintained technical documentation, including Standard Operating Procedures (SOPs) and incident reports, to support governance, operational readiness, and knowledge continuity across my team.
- Incident Response & Troubleshooting: Skilled in identifying and resolving system and application issues under pressure, ensuring business continuity and rapid resolution of service disruptions. This includes providing Tier 2/3 support for server and storage infrastructures across both Linux and Windows platforms.
- Service Ticket Management: Efficiently logged and managed service tickets for technical issues, ensuring detailed documentation and compliance with ITIL best practices. Proactively escalated complex tickets to specialised teams and collaborated to achieve timely resolutions consistent with organisational procedures and service level agreements (SLAs).
- Security & Compliance: Strong understanding of cybersecurity best practices and the essential eight, applying them to enforce standards and policies that govern system hardening, user access management, and incident response across Defence IT systems. Conducted regular security audits and vulnerability assessments to maintain compliance IAW ISM, PSPF etc.
- Project Coordination & Task Management: Capable of independently managing technical projects, delegating tasks as necessary while ensuring timely completion of project milestones. Established and maintained robust relationships with key stakeholders, ensuring their technical and operational requirements.
- Communication & Collaboration: Proven ability to communicate complex technical concepts to non-technical stakeholders while working collaboratively across departments and with executive leadership. Facilitated on boarding and training programs for new team members, delivering in-depth instruction on organisational policies, procedures, and best practices, fostering a supportive learning environment that promotes knowledge retention and team cohesion.
Skills
- MOC 20740 - Installation, Storage, and Compute with Windows Server 2016
- MOC 20703-1 - Administering System Centre Configuration Manager
- MOC 20345-1 - Administering Microsoft Exchange Server 2016
- MOC 20339-1 - Planning and Administering SharePoint 2016 Or 2013
- MOC 20764 - Administering A SQL Database Infrastructure
- MOC 20742 - Identify With Windows Server 2016
- MOC 20741 - Networking with Windows Server 2016
- MOC 10961 - Automating Administration with Windows PowerShell
- Linux System Administration: Managing Red Hat Enterprise Linux (RHEL)
- Virtualisation Technologies: Hyper-V, VMware
- Networking: VLANs, TCP/IP, DNS/DHCP
- Red Hat System Administration- RH124 Course
Certification
- Certificate IV in Government
- Certificate IV in Leadership and Management
- Completion of Workplace Cyber Security Foundations Skill Set
- Completion of Cyber Security Threat Assessment and Risk Management Skill Set
- Completion of Server Management Training
- Competence in Disaster Recovery Planning
- Competence of IT Service Management
- Incident Response Management in COMSEC
- Defence Comsec Accounting Course
- KG-175D TACLANE 4.1 Certificate
- GMDSS General Operator Certificate
- AUS MPE Site Support
- Global Command & Control - Maritime (GCCS-M) 4.0.3 System Administrator Certificate
- ASTIS MCE Operator
- DDG SATCOM Operator Course
- Maritime Communication Modernisation (MTWAN) Supervisor
- NSW Electrical Test and Tag Certificate
SECURITY CLEARANCE
Available upon request
Timeline
Network Supervisor - Communications Information System
Department of Defence, Royal Australian Navy
01.2015 - 01.2025
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