Jonathan Ayala
Acara Solutions / Lockheed Martin
Dallas,TX
1
Certification
6
years of professional experience
Detail-oriented Systems Administrator experienced in enterprise infrastructure and network operations. Expertise in system hardening, vulnerability remediation, and access management. Skilled in troubleshooting complex hardware and software issues while ensuring compliance with security standards and enhancing system reliability. Also in possession of a Secret Clearance
Work History
IT Systems Administrator - Level 3
4 Years 1 Month- Administered network and endpoint infrastructure, improving operational efficiency and system reliability across enterprise environments.
- Diagnosed and resolved complex network connectivity issues affecting workstations while managing LAN devices to minimize operational downtime.
- Managed operating system deployment and standardization initiatives, ensuring consistency and compliance across off-network devices.
- Remediated security vulnerabilities across VLAN-connected devices, enhancing organizational security posture and ensuring regulatory compliance.
- Administered privileged access controls, granting administrative permissions.
- Deployed system hardening measures and enforced security baselines based on CIS benchmarks and organizational security standards.
- Collaborated with cross-functional IT teams to secure and maintain availability of endpoint and network environments.
Computer Repair Technician L2
3 Months- Performed advanced hardware diagnostics, repair, and component-level replacement of laptops and desktops, including displays, batteries, system boards, and other critical components.
- Achieved high-volume repair throughput while meeting quality, performance, and service-level objectives.
- Conducted comprehensive hardware validation, functionality testing, and quality assurance following repairs and component upgrades.
- Troubleshot hardware-related issues for end users, ensuring successful deployment and operational readiness of devices.
- Verified system stability and performance through post-repair diagnostics, reducing repeat incidents and improving device reliability.
- Managed lifecycle activities including asset preparation, repair, deployment, and return-to-service operations.
Education
Associates - Computer Science
Skills
Systems Administration
Active Directory (AD)
OS deployment
Endpoint Management
Network troubleshooting
Firewall management
Vulnerability management
System hardening
Access Control & User Administration
Patch Management
Hardware & Software Troubleshooting
Level 3 Technical Support
Remote Support
Root cause analysis
Technical writing
Certification
- CompTIA A+
- CompTIA Security+ | In progress
- CompTIA Network+ | In progress
Timeline
IT Systems Administrator - Level 3
Acara Solutions / Lockheed Martin
10.2022 - CurrentRead More
Computer Repair Technician L2
SMS InfoComm
05.2021 - 08.2021Read More
Dallas College
Associates from Computer Science
Read More