Driven by a Passion for Cybersecurity
Hello World! My name is Joshua Barros and I love cybersecurity! If you want some proof, please take at a look at my experiences and projects!
Aspiring Cybersecurity Specialist
What I’m working on
Homelab(s)
Psst... hey you! For your ultimate safety, whatever you do; DO NOT click the headline titled Homelab(s). And absolutely, positively, under NO circumstances should you even think about clicking this suspiciously tempting text: HomeLab(s).exe You’ve been warned. 😏
Company: Radio Operator
CCNA (2026)
Going for the CCNA Certificate!
Projects
Security+ (2025)
Verified & Certified!
Experience
Radio Operator
USMC, Radio Operator 0621Fort Devens, MA | August, 2022 - Present
Operate, maintain, and secure L3Harris tactical communication systems supporting RF and IP-based voice and data communications across HF, VHF, UHF, and SATCOM networks in classified, tactical, and garrison environments.
Full responsibilities ▾
- Configure and operate AN/PRC-163 multi-channel radios enabling IP-based communications, basic network addressing, and integration with mobile ad hoc networks (MANET).
- Establish and sustain line-of-sight (LOS) and beyond-line-of-sight (BLOS) communications using manpack and vehicular radio systems.
- Execute Communications Security (COMSEC) procedures including cryptographic key loading, safeguarding, and accountability in compliance with DoD standards.
- Perform preventative maintenance and troubleshooting on radio systems, power equipment, and cabling to ensure operational readiness and minimize downtime.
- Conduct spectrum management activities including frequency planning, monitoring, and interference mitigation in congested RF environments.
- Install and configure antennas, Ethernet and copper cabling, and integrate radio systems into IP-based network architectures.
- Manage inventory and accountability of communications equipment, ensuring accurate documentation and maintenance tracking per DoD property management procedures.
- Utilize Linux-based systems and basic scripting for diagnostics, configuration support, and system troubleshooting.
- Provide technical support and communicate system status, limitations, and operational impacts to leadership.
- Train and mentor junior Marines on communications systems, maintenance procedures, and security compliance.
Projects Related
Super Systems Inc
Super Systems Inc., Cable Technician / Cable EscortHanscom AFB, MA | June, 2025 - February, 2026
Supported Secret-cleared telecommunications and network infrastructure projects at Hanscom AFB, installing and maintaining secure fiber-optic and structured cabling systems within controlled and SCIF environments.
Full responsibilities ▾
- Installed, spliced, and tested multi-strand fiber-optic cabling using fusion splicers and Fluke Versiv OTDR equipment to ensure signal integrity and performance.
- Terminated, labeled, and troubleshot Ethernet and VoIP cabling supporting enterprise network infrastructure.
- Installed and grounded equipment racks, fiber trays, and patch panels in accordance with engineering, safety, and inspection standards.
- Diagnosed and resolved fiber faults, including identifying breaks, rerouting connections, and restoring service to minimize downtime.
- Operated within secure DoD environments under an active Secret clearance, enforcing National Industrial Security Program Operating Manual (NISPOM) compliance.
- Maintained accurate redline and as-built documentation, coordinating updates with project managers and engineering teams.
- Applied physical-layer security practices and infrastructure standards to support secure communications environments.
Allied Universal
AUS, Site SupervisorBoston, MA | March, 2023 - March, 2024
Led access control and security operations within a controlled facility environment, supervising personnel and improving tracking and reporting processes through automation.
Full responsibilities ▾
- Supervised personnel and managed daily access control operations across multiple shifts.
- Controlled facility access using automated systems, performing identity verification and credential validation.
- Monitored surveillance systems and responded to incidents in accordance with security protocols.
- Developed Excel-based tracking tools to improve visitor authorization, logging, and reporting accuracy.
- Automated tracking workflows using structured logs and dropdown systems to improve efficiency.
- Generated reports and coordinated with facility leadership on security procedures and compliance.
- Managed visitor, contractor, and delivery access within controlled environments.
- Ensured adherence to security policies, procedures, and operational standards.
Certifications
Badges & Skills
Education
Western Governors University (In Progress)
Western Governors University, Millcreek, UT June, 2026 - Present
BS Cybersecurity and Information Assurance– In Progress Western Governors University, Millcreek, UT GPA: 3.76 / 4.0 Summer 2026 – Present .
Massasoit Community College (Completed)
Massasoit Community College, Middleboro, MA June, 2023 - December, 2025
Completed General Education (GEN ED) Block through the MassTransfer program at Massasoit Community College. Achieved a cumulative GPA of 3.76 while fulfilling non-major transfer requirements in preparation for a BS Cybersecurity and Information Assurance at Western Governors University.
Self-Study | Independent Learning Path
Home February, 2025 - Present
Beyond formal coursework I pursue self-directed study in software development, cybersecurity, and systems engineering—reinforcing theory with hands-on labs.
Key self-study projects ▾
- Set up home labs for networking, system administration, and ethical hacking.
- Building proficiency with RustDesk, Docker, Visual Studio Code, and WSL.
- Deploying Ubuntu & Kali Linux and experimenting with Kali KeX GUI for penetration testing.
- Exploring secure deployment on local servers and cloud platforms such as Linode.
- Coding in Java and creating automation scripts for cybersecurity tasks.
This self-driven approach solidifies classroom knowledge with real-world experience and keeps me progressing toward certification readiness.