Rafael Maclang
Castro Valley,CA
Summary
Dedicated and experienced IT Systems Administrator with years of expertise in managing and maintaining complex IT infrastructure. Seeking a challenging role where I can utilize my technical skills and problem-solving abilities to contribute to the efficiency and reliability of an organization's IT systems.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Sr. IT Systems Administrator
Utility Tree Service / Roth Staffing
Milpitas, CA
07.2023 - Current
- Installed and configured operating systems, software applications, and system management tools.
- Monitored system performance and implemented strategies for improvement.
- Provided technical support to users regarding hardware, software, and networking issues.
- Developed backup procedures to ensure data security and integrity.
- Resolved network connectivity problems by troubleshooting hardware and software components.
- Managed SSO and MFA applications (Duo, SalesForce Authenticator, and Microsoft Authenticator)
- Performed routine maintenance on servers to ensure optimal performance of the IT infrastructure.
- Created user accounts with appropriate privileges in accordance with organizational policies.
- Managed storage devices such as RAID arrays, SANs, NASs. for optimal utilization of resources.
- Managed and installed Z Scalar (Company VPN)
- Deployed virtual machines using hypervisors like VMWare ESXi or Microsoft Hyper-V.
- Analyzed system logs to detect potential issues before they arise.
- Maintained an inventory of all IT assets including hardware and software licenses.
Sr. IT Systems Administrator
Impossible Foods Inc. / Magnit Global Staffing
Redwood City, CA
03.2021 - 06.2023
- Manage and administer the organization's IT systems, including servers, storage, network devices, and virtualization platforms.
- Plan and execute system upgrades, patches, and migrations while ensuring minimal disruption to operations.
- Monitor system performance, identify bottlenecks, and implement proactive measures for optimization.
- Managed SSO and MFA applications (Okta, Micorsoft Authenticator, and Google Authenticator)
- Collaborate with cross-functional teams to gather requirements, assess technology needs, and develop IT infrastructure strategies.
- Ensure the security and integrity of systems by implementing appropriate access controls, firewalls, and security policies.
- Provide end-user support, resolving technical issues, and troubleshooting hardware, software, and network problems.
- Perform regular backups, implement disaster recovery strategies, and conduct data restoration exercises.
- Wrote PowerShell Scripts and Batch files to assist with system automation
- Develop and maintain system documentation, including standard operating procedures, network diagrams, and configuration files.
- Keep up-to-date with emerging technologies and trends, evaluating their potential impact on the organization's IT environment.
IT Systems Administrator
Zūm Services, INC.
Redwood City, CA
09.2020 - 03.2021
- Administered and maintained the organization's Windows-based servers, Active Directory, and Exchange server.
- Installed, configured, and maintained network devices, including switches, routers, and firewalls.
- Provided technical support to end-users, resolving hardware, software, and network-related issues.
- Managed software licenses and updates, ensuring compliance with software vendor requirements.
- Managed SSO and MFA applications (Okta and Microsoft Authenticator)
- Conducted regular system audits and implemented security patches and updates as necessary.
- Managed and monitored the company's VPN (Z Scalar)
- Collaborated with third-party vendors for IT infrastructure procurement and maintenance.
- Created online documentation to help employees resolve day-to-day issues.
NOC/SOC Support Engineer
Knightscope, INC
Mountain View, CA
08.2016 - 09.2020
- Triaged incoming support tickets, prioritizing requests based on severity and potential operational disruptions.
- Verify network connectivity and communication between different robotic system components.
- Diagnose and resolve software and hardware issues related to ROS
- Investigate and troubleshoot problems with sensor data acquisition, data processing, or communication between nodes.
- Analyze system logs and error messages to identify the root causes of failures and implement appropriate fixes.
- Provide technical support to customers and internal teams, guiding them in resolving ROS-related issues.
- Install and configure ROS on various platforms and operating systems.
- Set up robotic hardware components, such as sensors, actuators, and controllers, and ensure their compatibility with ROS.
Education
Bachelor of Science - Health Information Technology
DeVry University
Pomona, CA05.2005
Associate of Applied Science - Information Technology
Silicon Valley College
Walnut Creek, CA05.1999
Skills
- Systems Administration (Windows/Linux)
- Network Infrastructure Management
- Virtualization Technologies (VMware/Hyper-V)
- Active Directory and Group Policy Management
- Cloud Computing (AWS, Azure, GCP)
- IT Security and Compliance
- Troubleshooting and Problem Solving
- Backup and Disaster Recovery Planning
- Documentation and Reporting
- Excellent Communication and Interpersonal Skills
- MFA and SSO apploications (Okta/Duo)
- Proficiencies with MacOS, Windows, and Linux Systems
- Powershell Scripting
- Zen Desk, FreshDesk, and ServiceNow ticketing Systems
Certification
- CompTIA A+
- CompTIA NET+
- Microsoft Certified Professional (MCP)
- Microsoft Certified Systems Engineer (MCSE)
- Certified Azure Administrator Associate
- Cisco Certified Network Associate (CCNA)
References
Available upon request
Timeline
Sr. IT Systems Administrator
Utility Tree Service / Roth Staffing
07.2023 - Current
Sr. IT Systems Administrator
Impossible Foods Inc. / Magnit Global Staffing
03.2021 - 06.2023
IT Systems Administrator
Zūm Services, INC.
09.2020 - 03.2021
NOC/SOC Support Engineer
Knightscope, INC
08.2016 - 09.2020
Bachelor of Science - Health Information Technology
DeVry University
Associate of Applied Science - Information Technology
Silicon Valley College
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