ANDREW WΓJCIAK
Detail-oriented Cybersecurity Professional with 20+ years of hands-on experience in electronics repair, hardware diagnostics, and IT systems engineering. Transitioning into cybersecurity with a strong foundation in threat analysis, network security, and penetration testing tools. Stack certified with CSAP, CNSP, and CNVP, and currently pursuing CompTIA CASP+.
SECURITY CERTIFICATION MATRIX
Active professional credentials across security operations, threat triage, network penetration testing, and cloud infrastructure.
CREDLY BADGE WALLET
Officially verified badges from CompTIA, ISC2, and Microsoft β click any badge to verify on Credly.
TECHNICAL & HARDWARE SKILLS MATRIX
Two decades of deep electronic hardware diagnostics fused with modern security operations tools, SIEM pipelines, and penetration testing.
Chip-level repair, micro-soldering, firmware extraction, UART/JTAG debugging, PCB circuit trace repair, and oscilloscopes.
Telemetry log ingestion, correlation rules, threat triage, and protocol analysis using industry SIEM and security tools.
CompTIA Network+ certified: TCP/IP stack, VPN tunnels, VoIP, firewall rulesets, Active Directory domain architecture, and IAM.
CompTIA PenTest+ & CySA+ certified: vulnerability scanning, port auditing, exploit assessment, and MITRE ATT&CK mapping.
System administration and automated auditing scripts across Linux, Windows, and MacOS environments using Python and Bash.
Microsoft Certified AZ-900: Cloud identity access management, Entra ID, security posture management, and cloud firewalling.
SECURITY & HARDWARE PROJECTS
Hands-on threat intelligence monitoring, firmware vulnerability extraction, and automated network auditing architectures.
SIEM & SOC Threat Intelligence Lab
Centralized threat detection, log ingestion, and incident triage using Microsoft Sentinel, Wazuh & Splunk mapped to MITRE ATT&CK.
- Wazuh & Sentinel log forwarders ingesting Windows Event Logs and Syslog feeds
- Custom correlation alerts for brute force, privilege escalation, and lateral movement
- Wireshark packet inspection and network protocol analysis for anomalous traffic detection
Firmware Extraction & Hardware Lab
Chip-level vulnerability diagnosis, SPI/UART flash firmware extraction, and board-level reverse engineering.
- UART/JTAG pinout identification and debug shell extraction on embedded microcontrollers
- Oscilloscope and logic analyzer signal decoding for power rail and bus integrity
- Chip-level BGA/SMD component rework and forensic hardware inspection under microscope
Automated Vulnerability & Pentest Pipeline
Comprehensive vulnerability scanning, port auditing, and exploit assessment using Python, Nmap, and Metasploit.
- Automated NSE scripts for CVE detection and outdated service enumeration
- Custom Python log scrapers formatting scan results into actionable remediation reports
- Burp Suite automated spidering and parameter tampering for web interface auditing
Hardened Active Directory & Zero-Trust Lab
Multi-forest AD deployment with Tiered Administrative Model, Kerberos armoring, LAPS, and network segmentation.
- Enterprise Group Policy Objects (GPOs) implementing CIS Benchmarks and AppLocker rules
- VLAN segmentation isolating management interfaces, endpoints, and server infrastructure
- Honey-token accounts and decoys alerting SOC operators to unauthorized enumeration
CHRONOLOGICAL CAREER TIMELINE
Over two decades of precision hardware diagnostics, electronics engineering, customer-facing technical support, and defensive security specialization.
Lead hardware diagnostic specialist performing chip-level board repairs, micro-soldering, fault tree analysis, and firmware restoration across modern digital endpoints and enterprise hardware.
- Performs microscope-guided SMD micro-soldering and motherboard component replacements down to 0201 packages
- Diagnoses complex power rail shorts, signal integrity issues, and corrupted bootloaders using logic analyzers and oscilloscopes
- Maintains security best practices regarding customer data integrity, storage sanitization, and hardware integrity verification
Provided systems administration, workstation deployment, perimeter security, and endpoint support for community organization infrastructure.
- Configured secure workstation images, patch management schedules, and automated antivirus definitions
- Delivered IT security hygiene training to organizational staff, focusing on phishing prevention and password security
Responsible for rapid turnaround diagnostic workflows, component-level repair protocols, and inventory supply chain security.
- Repaired over 1,500+ mobile, tablet, and PC motherboards with a 96% first-time repair success rate
- Implemented automated diagnostic scripts for post-repair validation and telemetry verification
Eight-year tenure spearheading board diagnostics, firmware flashing, EEPROM reprogramming, and physical component level diagnostics in the South East of Ireland.
- Conducted JTAG / ISP direct memory readouts for corrupted firmware recovery and baseband debugging
- Trained and mentored junior technicians on high-density PCB soldering, schematics reading, and safety standards
Delivered enterprise and consumer hardware repairs, firmware debugging, and peripheral maintenance during Ireland's mobile technology boom.
Early career diagnostic technician specializing in GSM wireless protocols, RF antenna alignment, and early generation microprocessor board repairs.
Built, configured, and troubleshot custom PC architectures, Novell / Windows NT server setups, and local area network topologies.
INTERACTIVE SOC TELEMETRY TERMINAL
Query skills, certifications, 20+ year experience logs, visit counter, or geospatial coordinates directly from the terminal console.
COMMUNICATION UPLINK
Open for SOC Analyst roles, cybersecurity engineering, penetration testing, and advanced hardware security diagnostics.
CB19 EBA0 B1E5 242A 9CCC A098 AB6E 36C9 0138 26C9RECIPIENT:
Andrew Wojciak <drewojciak@gmail.com> (Ed25519 / Cv25519)