Edgar Villarruel
Chula Vista
Summary
Professional with strong emphasis on ensuring reliable and secure network operations. Skilled in configuring and managing network infrastructure, troubleshooting issues, and optimizing system performance. Known for collaborative teamwork, adaptability, and delivering effective solutions under changing conditions. Proficient in cybersecurity protocols, network monitoring tools, and maintaining uptime reliability. Dependable and focused on achieving tangible results in high-pressure environments.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Systems Engineer
King Technologies
06.2024 - 08.2025
- Completed software updates and assessed security patches for optimized computer use.
- Optimized networked software and operating systems by applying updates and patches.
- Conducted regular system audits to ensure compliance with industry best practices and regulatory requirements.
- Trained team members on new technologies and best practices, elevating overall skill set of department.
- Led engineering teams to successfully complete projects on time and within budget.
- Improved system performance by identifying and resolving technical issues in a timely manner.
IT Support Specialist
Freedom Staffing
06.2020 - 06.2024
- Used ticketing systems to manage and process support actions and requests.
- Managed high levels of call flow and responded to technical support needs.
- Configured hardware, devices, and software to set up work stations for employees.
- Diagnosed and troubleshot hardware, software and network issues.
- Responded to customer inquiries and provided technical assistance over phone and in person.
- Researched and identified solutions to technical problems.
Radio Operator
US Navy
01.2017 - 06.2020
- Facilitated clear and effective communication between field operators and command centers during critical missions.
- Installed, tested and operated radio equipment, adjusting settings to achieve clearest transmission.
- Aided in planning successful missions through participation in pre-mission briefings, sharing insights on current communication capabilities and limitations.
- Maintained accurate documentation of messages transmitted and received.
Help Desk Supervisor
US Navy
06.2016 - 01.2017
- Served as level-three support escalation point for 7-member distributed support staff.
- Increased number of resolved job tickets by 100% over previous year.
- Ensured customer service was timely and accurate daily and managed the help desk consisting of 7 employees.
- Oversaw large volume of phone calls, chat and emails in support of unclassified and classified systems.
- Maintained composure and patience in face of difficult customer situations, applying de-escalation techniques and positive customer support.
- Trained new employees on support processes, procedures and knowledge base.
System Administrator
US Navy
06.2013 - 01.2017
- Spearheaded server infrastructure development, quality control, staging and production operations.
- Set up user accounts, permissions and passwords and defined network policies and procedures.
- Determined and alleviated hardware, software and network issues.
- Set up, optimized and managed network equipment.
- Kept flexible schedule and resolved after-hours and weekend emergencies quickly and accurately.
- Improved job tasks and mentored junior team members on best practices and standards.
Help Desk Technician
US Navy
06.2013 - 06.2016
- Provided local and remote Tier 1 IT support for hardware and software to company personnel.
- Installed software updates and vulnerability patches on naval unclassified and classified servers to prevent threats from penetrating networks.
- Troubleshot daily IT desktop client issues, supporting multiple departments and various offices.
- Processed an average of three hundred inbound and outbound technical support calls.
- Increased number of resolved job tickets by 40% over previous year.
- Provided onsite IT and AV technical support for 2,500 staff members.
Education
Bachelor's Degree - Cyber Security And Computer Networks
University of Maryland Global Campus
Hyattsville, MD12-2023
High School Diploma - undefined
Chula Vista High School
Chula Vista, CA06.2010
Skills
- Equipment repair
- Exceptional telephone etiquette
- System testing
- Hardware and software installation
- Client service and support
- Troubleshooting proficiency
- Excellent critical thinking skills
- User support
- Technical support
- System troubleshooting
Certification
- CompTIA Security+
- Microsoft Technology Associate
Languages
Spanish
Native or Bilingual
English
Native or Bilingual
French
Limited Working
Timeline
Systems Engineer
King Technologies
06.2024 - 08.2025
IT Support Specialist
Freedom Staffing
06.2020 - 06.2024
Radio Operator
US Navy
01.2017 - 06.2020
Help Desk Supervisor
US Navy
06.2016 - 01.2017
System Administrator
US Navy
06.2013 - 01.2017
Help Desk Technician
US Navy
06.2013 - 06.2016
High School Diploma - undefined
Chula Vista High School
Bachelor's Degree - Cyber Security And Computer Networks
University of Maryland Global Campus
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