Independently verified · Third-party assessed

Credentials & proof of work

Professional certifications, competitive security rankings, and technical skill assessments — each independently verified and linkable for due diligence.

CISSP
ISC² gold standard
#602
HackTheBox global rank
GCP
Google Cloud Professional
10+
LinkedIn skill assessments
Full curriculum vitae

Complete work history, project details, publications, and speaking engagements.

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Professional certifications

CISSP badge
ISC²
Certified Information Systems Security Professional

The most globally recognized certification in information security, validating expertise across eight domains including security architecture, risk management, cryptography, and software security. Held by fewer than 160,000 professionals worldwide.

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Google Cloud
Google Cloud Professional Certification
Google Cloud Professional certification profile

Professional-level certification demonstrating hands-on expertise in Google Cloud architecture, security controls, and enterprise deployments.

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Competitive security rankings

HackTheBox

Solo ranked #602 in the world

HackTheBox is the industry benchmark for practical offensive security skill. Rankings are earned by solving active machines and challenges under real-world conditions — no study guides, no multiple choice. A global solo rank of #602 sits in the top 0.1% of the platform’s active player base.

#602
Global solo rank
#41
Team rank
0.1%
Top percentile
View HTB profile →
HackTheBox profile showing global rank #602

Technical skill assessments

HackerRank
Java (Basic)
HackerRank Java Basic certificate

Standardized assessment of Java fundamentals covering data structures, OOP, and language idioms.

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HackerRank
Python (Basic)
HackerRank Python Basic certificate

Standardized assessment of Python fundamentals covering data manipulation, functions, and standard library usage.

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LinkedIn
Skill assessments — 10+ passed
LinkedIn skill assessment badges

Proctored skill assessments across cloud, security, and software engineering domains.

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Market assessments

Hired.com

Hired.com technical assessments

Third-party market assessments evaluating technical depth and seniority against the broader engineering talent pool.

Hired.com assessment results for John Menerick

All credentials at a glance

Seven verifiable
Credential Issuer Category Verify
CISSP ISC² Professional certification Credly →
Google Cloud Professional Google Professional certification Google →
HackTheBox global rank #602 HackTheBox Competitive ranking HTB →
Java (Basic) HackerRank Skill assessment HackerRank →
Python (Basic) HackerRank Skill assessment HackerRank →
LinkedIn skill assessments (10+) LinkedIn Skill assessment LinkedIn →
Amateur Extra Class license (W8MEJ) FCC Federal license FCC ULS →