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Themesoft Inc.

Cyber Security Specialist

Toronto, ON, Canada
North York, ON, Canada

Job type: Contract
Apply by: Oct 25, 2026
Posting language: English
Posted: Sep 25, 2026

Apply About employer

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Original job description

Position: CyberSecurity Specialist

Location: North York, ON – Hybrid

Job Description/ Responsibilities

Technical Security Research Engineer to research, prototype, evaluate, and operationalize emerging cybersecurity capabilities. This is a hands-on role for someone who can move from a research hypothesis to working code, proof-of-concept, product evaluation, and enterprise recommendation.

Responsibilities

Build agentic AI security harnesses, prototypes, and POCs for new cyber capabilities.
Research AI Security, Agentic AI, Application Security, quantum/PQC, blockchain, and other emerging technologies.
Develop and integrate agents, LLMs, APIs, security tools, automation, and test environments.
Evaluate new cybersecurity products and startups through hands-on testing, benchmarking, and technical due diligence.
Validate vendor claims and assess security, scalability, integration complexity, and enterprise applicability.
Help transition successful research prototypes toward operational use.
Present technical findings and recommendations to engineering, security leadership, and investment stakeholders.

Qualifications

Strong hands-on software development skills, particularly Python, Java, Node, Go, C/C++ with experience in additional modern programming languages.
Experience with LLMs, AI agents, tool calling, orchestration frameworks, APIs, cloud, containers, and security automation.
Strong knowledge of Application Security, AI Security, vulnerability research, threat modeling, Secure development, Network security, infrastructure Security, Security Architecture and other security domains.
Demonstrated ability to design experiments, build prototypes, and evaluate emerging technologies.
Strong technical writing and presentation skills.

Highly Valued

Research papers or presentations at recognized cybersecurity, AI, or systems forums.
Experience with AI red teaming, autonomous penetration testing, agent security, or AI-native security tooling.
Cybersecurity startup, founder, or early-stage product experience.
Experience pitching to venture capital, corporate venture teams, accelerators, or investment stakeholders.
Patents, open-source security projects, vulnerability research, or other demonstrated technical innovation.
Certifications : CISSP, OSCP, CSSLP or equivalent

Skills:

AI Security & Agentic AI Development

Experience with LLMs, AI agents, tool calling, orchestration frameworks, APIs, and security automation
Ability to build agentic AI security harnesses, prototypes, and proof-of-concepts
Knowledge of AI Security and emerging AI-native security technologies

Security Research & Emerging Technology Evaluation

Research experience in Application Security, AI Security, Quantum/PQC, Blockchain, and other emerging technologies
Ability to design experiments, build prototypes, benchmark products, and perform technical due diligence
Experience validating vendor claims and assessing enterprise applicability

Software Engineering & Security Architecture

Strong development skills in Python (most important), along with Java, Node.js, Go, and C/C++
Hands-on experience integrating APIs, cloud platforms, containers, and automation frameworks
Deep understanding of Application Security, Threat Modeling, Secure Development, Network Security, Infrastructure Security, and Security Architecture

Regards

Patrick Fernandez

Talent Acquisition Group - Strategic Recruitment Manager

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More about this job

Responsibilities

Research, prototype, and evaluate emerging cybersecurity capabilities, including agentic AI security tools, and integrate agents, LLMs, APIs, and security automation. Conduct hands-on product testing and technical due diligence, help transition successful prototypes toward operational use, and present findings and recommendations to technical and investment stakeholders.

Requirements

Requires strong hands-on software development skills, especially in Python, and experience with LLMs, AI agents, APIs, cloud, containers, and security automation. Candidates should have broad cybersecurity knowledge and the ability to design experiments, build prototypes, evaluate emerging technologies, and communicate technical findings; certifications such as CISSP, OSCP, or CSSLP are listed.

Skills

Python
Java
Node.js
Go
C/C++
AI Security
Agentic AI
Application Security
Security Research
Threat Modeling
Secure Development
Network Security
Infrastructure Security
Security Architecture
Cloud Platforms
Security Automation

Visa sponsorship

Not detected in the job text

Hiring contact

Patrick Fernandez

Keywords

Python
Java
Node.js
Go
C/C++
LLMs
AI Agents
Agentic AI
AI Security
Application Security
Quantum Computing
Post-Quantum Cryptography
Blockchain
APIs
Cloud
Containers
Security Automation
Vulnerability Research
Threat Modeling
Secure Development
Network Security
Infrastructure Security
Security Architecture
Technical Due Diligence
AI Red Teaming
CISSP
OSCP
CSSLP

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