CyberSecurity Specialist

Themesoft Inc; Toronto; On-site; CAD 120,000 - 180,000; Full time

Job summary

The Themesoft Inc team is seeking a strategic researcher to develop agentic AI security capabilities and evaluate emerging security technologies. You will design experiments, build prototypes, and present findings to leadership and stakeholders. Strong writing and presentation skills, plus deep security knowledge, are essential.

Play a key role in transitioning research prototypes toward production while engaging with venture and investment stakeholders on innovative cybersecurity initiatives.

Qualifications

• 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.
• 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

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.

Skills

LLMs & AI agents

Tool calling

Orchestration frameworks

APIs & cloud

Security automation

Python development

Java

Node.js

Go

C/C++

Threat modeling

Secure development

Security architecture

AI red teaming

Autonomous pentesting

Venture pitches

Patents/Open-source

Cybersecurity startups

Certifications CISSP/OSCP/CSSLP

Tools

Python

Java

Node.js

Go

C/C++

APIs

Cloud

Containers

Job description

• 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

• 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.
• 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

1. 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

2. 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

3. 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