Angel Castro
Greenwood Village,CO
Summary
Results-driven tech professional with expertise in network infrastructure, systems administration, and information security. Skilled in designing, configuring, and troubleshooting networks. Experienced in supporting mission-critical systems and enhancing security protocols. Proven ability to work cross- functionally to deliver innovative solutions and ensure system stability. U.S. Secret Clearance - Interim TS/SCI
Overview
9
9
years of professional experience
1
1
Certification
Work History
Senior Network Infrastructure Engineer
York Space Systems
Greenwood Village, USA
11.2022 - Current
- Oversee & maintain firewalls, servers, storage systems, and all other network components within the corporate environment
- Facilitated the design, and implementation of fiber networks across all York sites
- Develop & implement advanced & reliable configurations for virtual machines, VLANS, Palo Alto firewalls, and Hyper-V Clusters ensuring optimal performance and stability
- Manage systems monitoring, alerting, and log review for proactive infrastructure support
- Integrated space vehicle hardware and networking with azure cloud infrastructure for space vehicle testing
- Acted as execution team for controls in preparation for NIST 800-171 & CMMC
Network Administrator II / IT Support Specialist III
Onset Solutions
Lakewood, USA
04.2021 - 11.2022
- Deliver reactive support to 70 clients (1,500 users), aiding through email, phone, remote sessions, and on-site visits
- Support client servers, firewalls, switches, and other network infrastructure hardware
- Led hardware and software deployments, monitored client backups, and implemented DRPs
Network Administrator I / Cybersecurity Specialist I
Cynthetic Systems
Golden, USA
04.2020 - 04.2021
- Configured, monitored, and maintained firewalls, servers, and switches
- Managed Licensing, subscriptions, and network diagrams
- Delivered both reactive and proactive support to 200 employees, maintaining hardware inventory and tracking EOL cycle
- Designed, planned, and installed low voltage wiring systems
Data Protection Analyst
Intelisecure
Greenwood Village, USA
02.2019 - 03.2020
- Triaged incidents flagged by Symantec DLP to prevent data leaks, protecting company revenue and sensitive information
- Contributed to the deployment of the primary FAQ system, reducing ticket volume by 18%
- Provided technical troubleshooting via live chat, adhering to a 2-hour response SLA
Patient Access Specialist
Denver Health
Denver, USA
04.2017 - 01.2019
- Verified patient insurance information through calls to patients and providers
- Managed patient and provider calendars for efficient scheduling
- Performed clerical duties, including confirming patient prescriptions and mailing health related information
Lead Sales Representative
Ethos Consulting Group
Denver, USA
12.2015 - 03.2017
- Sold internet, phone, and television services door-to-door in residential markets
- Managed team sales territory and tracked sales data
- Trained team members in communication skills, sales techniques, and technical product knowledge
Education
Bachelor of Science - Network & Security Engineering
Western Governors University
Salt Lake City, UT05-2027
Skills
- Windows
- Ubuntu
- MAC OS X
- Linux Terminal
- CMD
- PowerShell
- Python
- Azure (AD, AADDS)
- 365 Admin
- M$ Defender
- CrowdStrike
- Webroot
- Palo Alto
- Unifi
- SD-WAN
- NinjaOne
- Veeam
- TCP/ IP
- Fiber Networks
- Visio
- PRTG
- Pager Duty
- Atlassian
- Lansweeper
Certification
United States Cleared Citizen, Secret Clearance - (Interim TS/SCI)
A+ - 2024
Net+ - In Progress
Sec+ - In Progress
CCCNA - In Progress
Timeline
Senior Network Infrastructure Engineer
York Space Systems
11.2022 - Current
Network Administrator II / IT Support Specialist III
Onset Solutions
04.2021 - 11.2022
Network Administrator I / Cybersecurity Specialist I
Cynthetic Systems
04.2020 - 04.2021
Data Protection Analyst
Intelisecure
02.2019 - 03.2020
Patient Access Specialist
Denver Health
04.2017 - 01.2019
Lead Sales Representative
Ethos Consulting Group
12.2015 - 03.2017
Bachelor of Science - Network & Security Engineering
Western Governors University
Similar Profiles
MARLENE BEARDMARLENE BEARD
Inventory and Receiving Specialist II at York Space SystemsInventory and Receiving Specialist II at York Space Systems
Anna SungaAnna Sunga
Jr. Inventory Accountant at York Space SystemsJr. Inventory Accountant at York Space Systems
Ahmad Jamall HaidariAhmad Jamall Haidari
Technician at York Space SystemsTechnician at York Space Systems