It Support Network Security

Hamza Haji

Phone: 619-***-**** Email: ************@*****.*** LinkedIn

Cybersecurity Analyst with hands-on experience in troubleshooting IT systems, supporting end-users, and securing infrastructures. Proficient in Microsoft 365, Windows, and security frameworks such as NIST. Experienced in using SIEM tools and applying strong knowledge of network security, cryptography, cloud concepts, and vulnerability assessment. Demonstrated ability to identify and address complex cybersecurity challenges with a proactive and detail-oriented approach.

EXPERIENCE

IT Technician / Help Desk Alliance Tax Advocate – Santa Ana, CA Feb 2021 – Nov 2023

● Configured and maintained company email accounts through Outlook 365, managed domain settings, Windows 10/11, Azure, Microsoft Endpoint Manager, and Slack.

● Set up and supported office network infrastructure, including computers, printers, VoIP phones, and security cameras.

● Provided remote IT support to offsite employees, ensuring secure data access, functional VoIP connectivity, and up-to-date system performance.

● Performed hardware upgrades (RAM, hard drives, and SSD), cloned systems, removed malware, and managed user access.

● Monitored and resolved network connectivity issues to minimize downtime and maintain optimal productivity across departments.

● Documented technical procedures and user guides to streamline IT support processes and assist end-users with common troubleshooting steps.

● Assisted in onboarding new employees by setting up user accounts, configuring devices, and providing IT orientation and training.

● Implemented and enforced security protocols to protect company data, including regular password resets, software updates, and access control management.

PROJECTS

● Network Security: Designed and implemented a security framework for an e-commerce platform, focusing on data encryption, authentication, aligned with ISO 27001 and OWASP Top 10.

● Security Policy: Developed and implemented a company-wide security policy for TechBright Solutions, covering data classification, network security, and incident response procedures. Integrated VPN, MFA, IDS/IPS, and encryption protocols while establishing audit schedules and access controls to ensure compliance and mitigate risk.

● Wireshark Analysis: Captured and analyzed network traffic using Wireshark to identify potential security breaches and vulnerabilities within data packets.

● Cryptographic Algorithms: Applied cryptographic principles by implementing AES (128-bit), generating RSA key pairs, and using MD5 for data integrity.

● Phishing Campaign: Conducted a phishing simulation campaign using GoPhish to test user awareness.

● IRP/RMP: Developed Incident Response Plans and Risk Management strategies to handle security incidents. Cybersecurity Coding Temple – Remote Oct 2024 – Apr 2025

● Developed hands-on skills in cross-site scripting (XSS) and cryptographic protocols.

● Designed and implemented comprehensive Incident Response and Risk Management plans for simulated clients.

● Created network security infrastructure for cloud-based organizations, including configuring firewalls, encryption, and secure data transfer protocols.

● Analyzed network vulnerabilities using penetration testing tools such as Burp Suite and Nessus. SKILLS

● Frameworks & Standards: NIST Cybersecurity Framework, Risk Management Framework (RMF)

● Desktop Support & IT Troubleshooting: Windows OS, macOS/iOS fundamentals, hardware diagnostics, printer/network troubleshooting, device imaging

● End-User Support: Outlook 365, remote and on-site technical support, user account management, asset inventory

● Cryptography: RSA, AES (Symmetric/Asymmetric Encryption)

● Networking & Tools: TCP/IP, DNS, VPN, Wireshark, Nmap, IDS/IPS, Burp Suite, Nessus, PowerShell, Linux, Metasploid, NIST

● Cloud Security: AWS, Azure

Security Officer Allied Universal – San Diego/Irvine, Ca CA Oct 2020 – Present

● Managed security operations for multiple high-risk sites, including aerospace and commercial properties, ensuring safety and operational continuity.

Conducted regular risk assessments and collaborated with security teams to address vulnerabilities and security gaps.

● Monitored 45+ surveillance systems, using real-time data to respond to physical threats, laying the groundwork for alert triage and response in SOC environments.

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EDUCATION & CERTIFICATIONS

● Irvine Valley College – Computer Science

● Coding Temple – CyberSecurity Analyst Certificate, Mar 2025

● Microsoft Azure – Azure Fundamentals Certified, Apr 2025

● CompTIA Security+ – Certified, May 2025

● CompTIA Network+ – In Progress

● Certified Ethical Hacker (CEH) – In Progress

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