Summary
Overview
Work History
Education
Skills
Timeline
Generic

Cesar Hernandez

Summary

Energetic It Infrastructure Engineer enthusiastic about developing deeper understanding of engineering design and leadership. Natural leader and networker with hardworking, resourceful and competitive nature. 11 years of experience in various types of companies.

Overview

12
12
years of professional experience

Work History

IT Infrastructure Engineer

ASC Engineered Solution
05.2019 - Current
  • Facilitated installation processes to deliver project requirements on time.
  • Evaluated existing procedures and made proactive adjustments to meet changing demands.
  • Designed network for infrastructures according to project specifications.
  • Resolved issues related to operational components for LAN, WAN and voice systems.
  • Monitored network capacity and performance to diagnose and resolve complex network problems.
  • Provided complete end-to-end engineering and installation of route-based IP network solutions.
  • Created VPN infrastructure and allowed for secure remote connections.
  • Performed troubleshooting for Juniper, Cisco, and packet analysis.
  • Oversaw development and maintenance of computer systems, server upgrades and operating systems.
  • Maintained company servers, computers, printers, cables and other equipment.
  • Implemented WAN and LAN designs in multi-datacenter configurations.
  • Diagnosed network problems involving combination of hardware, software, power and communications issues.
  • Analyzed, troubleshot and enhanced network performance to drive efficiency.
  • Installed, supported and maintained company hardware and software infrastructure according to best practices.
  • Detected intrusion attempts and promptly responded to DDoS attacks.
  • Organized frameworks to transfer secure data from internal to external and public networks.
  • Configured and troubleshot VoIP and multi-media distributed systems and platforms.
  • Integrated fixed wireless connectivity into facilities requiring high-speed networks.
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
  • Design and implement network infrastructure, including switches, routers, firewalls, wireless access points, and other network components.
    • Configure and maintain network protocols and services, such as DNS, DHCP, VLANs, HTTP, TCP/IP protocols and client-server applications.
    • Provide Level-3/4 support and troubleshooting to resolve issues.
    • Windows server administration. GPOs, DHCP, DNS
    • Support Internet and WAN network infrastructure. IPSec VPN, SSL VPN, MPLS
    • Knowledge of networking protocols and topology.
    • Maintain backups of physical and virtual machines.
    • Configure and maintain network security devices. SonicWall, Fortinet, Palo Alto, Meraki, Cisco, Aruba
    • Experience with cloning/imaging software for desktops/laptops.
    • Experience with Helpdesk ticketing systems and remote support applications.
    • Configure and maintain virtual machines. VMWare, Nutanix, Hyper-V
    • Windows OS, Mac OS, Unix/Linux, application troubleshooting.
    • Configure maintain network printers, copiers, and phone system.
    • Proven skills in PC repair, troubleshooting, deployment, and decommissioning.

System and Network Administrator

Turner Law Firm, APC
01.2016 - 04.2019
  • Installed, configured and supported local area network (LAN), wide area network (WAN) and Internet system.
  • Performed day-to-day LAN and WAN administration, maintenance, and support.
  • Maintained network hardware and software and monitored network to support network availability to end users.
  • Implemented network security measures to minimize data loss.
  • Verified continuity of computer and telephone system services for users.
  • Managed data backups and disaster recovery operations to comply with business continuity initiatives.
  • Designed and evaluated WAN and LAN connectivity technologies.
  • Ensure the highest level of systems security and infrastructure through access controls, backups, and firewalls within the agency's NIST 800-171, NIST 800-53 framework.
  • Maintain security, backup, and redundancy strategies.
  • Provide technical support to staff on complex IT issues.

IT Support Intern

Cerritos College
01.2014 - 01.2016
  • Interacted with customers by phone, email, or in-person to provide information.
  • Optimized customer experience by delivering superior services and effectively troubleshooting issues.
  • Supported IT department in handling technology rollout and maintenance.
  • Aided problem resolution measures and suggested patches and hardware, software and network troubleshooting alternatives.
  • Helped IT team document core systems configurations, relevant passwords, and system access requirements.
  • Shadowed personnel to learn appropriate methods for solving customer issues and troubleshooting technical problems.
  • Monitored and logged daily server tasks and reports.
  • Supported team in backup and restoration of Microsoft SQL databases.
  • Installed, modified, and repaired software and hardware to resolve technical issues.

Technical Support Agent/Help Desk Technician

VONIC
05.2012 - 01.2014
  • Assisted customers in identifying issues and explained solutions to restore service and functionality.
  • Analyzed issues to identify troubleshooting methods needed for quick remediation.
  • Walked individuals through basic troubleshooting tasks.
  • Documented support interactions for future reference.
  • Resolved issues with systems, hardware and telephones quickly and accurately.
  • Collaborated with supervisors to escalate and address customer inquiries or technical issues.
  • Explained technical information in clear terms to promote better understanding for non-technical users.
  • Resolved diverse range of technical issues across multiple systems and applications for customers and end-users across various time zones.
  • Submitted service tickets for equipment maintenance requests.
  • Followed up with clients to verify optimal customer satisfaction following support engagement and problem resolution.
  • Wrote and reviewed tickets to request maintenance to various types of equipment.
  • Broke down and evaluated user problems, using test scripts, personal expertise, and probing questions.
  • Activated accounts for clients interested in new services.
  • Used ticketing systems to manage and process support actions and requests.
  • Provided basic end-user troubleshooting and desktop support.
  • Translated complex technical issues into digestible language for non-technical users.
  • Configured hardware, devices, and software to set up work stations for employees.
  • Provided Tier 1 IT support to non-technical internal users through desk side support services.

Education

Information Technology

Cerritos College
Norwalk, CA

High School Diploma -

Lynwood High School
Lynwood, CA
06.2001

Skills

  • Windows Server OS 2012/2016/2019
  • AD and Azure AD
  • DNS
  • File/Print Server Management
  • VMWare vSphere, Citrix, Windows Remote Desktop/Terminal Server
  • O365
  • Azure Administration
  • Managed Services Platform Software – Kaseya, ConnectWise, Autotask
  • Windows and/or Linux servers and services
  • Active Directory, DNS, DHCP

Timeline

IT Infrastructure Engineer

ASC Engineered Solution
05.2019 - Current

System and Network Administrator

Turner Law Firm, APC
01.2016 - 04.2019

IT Support Intern

Cerritos College
01.2014 - 01.2016

Technical Support Agent/Help Desk Technician

VONIC
05.2012 - 01.2014

Information Technology

Cerritos College

High School Diploma -

Lynwood High School

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Cesar Hernandez