Offensive Security Engineer

Casco · 1 year ago

Work mode: Remote
Category: Security
Experience: 3+ years

agentic-ai ai api api-security aws azure burp-suite cloud cloud-security container-security gcp kubernetes llm

About the Role

We're seeking an exceptional Offensive Security Engineer to join our fast-growing startup and help shape the future of security testing. This role uniquely combines traditional penetration testing excellence with cutting-edge AI/LLM security expertise. You'll conduct sophisticated manual penetration tests while also working alongside our automated agentic red teaming systems, bridging the gap between human expertise and AI-driven security assessment.

Core Responsibilities

Execute comprehensive, white-glove manual penetration tests across web applications, APIs, cloud infrastructure, and network environments

Review, validate, and enhance findings generated by our agentic red teaming platform

Develop custom exploits, tools, and methodologies to identify complex security vulnerabilities

Contribute to the development of security-focused software and tooling within our engineering team

Collaborate with our engineering team to improve and refine our automated security testing capabilities

Produce detailed, actionable security assessment reports with clear remediation guidance

Partner with customer engineering teams to ensure security findings are properly understood and addressed

Research emerging attack vectors, particularly those involving AI/LLM systems and applications

Technical Leadership

Drive innovation in offensive security methodologies, especially at the intersection of traditional pentesting and AI-assisted security assessment

Mentor team members on advanced penetration testing techniques

Contribute to the company's security strategy and roadmap

Participate in the continuous improvement of our security testing frameworks and processes

Required Qualifications

3+ years of professional penetration testing or offensive security experience with a proven track record of identifying critical vulnerabilities

Hands-on experience with AI/LLM security, including prompt injection, model manipulation, data poisoning, or other AI-specific attack vectors

Strong software engineering skills with proficiency in at least two programming languages, including TypeScript.

Deep understanding of OWASP Top 10, MITRE ATT&CK framework, and modern attack methodologies

Experience with common penetration testing tools (Burp Suite, Metasploit, Cobalt Strike, custom tooling)

Expertise in at least two of the following domains:

Web application security
Cloud security (AWS, Azure, GCP)
Network penetration testing
API security testing

Preferred Qualifications

Experience building or contributing to security tools and frameworks

Knowledge of machine learning security, adversarial ML, or AI red teaming

Relevant certifications (OSCP, OSWE, OSEP, GPEN, or equivalent)

Experience with container security and Kubernetes environments

Background in vulnerability research or exploit development

Contributions to open-source security projects

Experience working in fast-paced startup environments

Skills & Attributes

Hacker mindset: Creative, persistent, and always thinking outside the box

Technical depth: Ability to dive deep into complex systems and understand their security implications

Communication excellence: Can translate technical findings into business risk for various stakeholders

Self-directed: Thrives in a startup environment with minimal supervision

Continuous learner: Passionate about staying current with evolving threats and technologies

Collaborative spirit: Works effectively with cross-functional teams including engineers, product managers, and leadership

What We Offer

Remote-first culture: Work from anywhere within the United States

Competitive compensation:

Base salary: $200,000
Equity package with high growth potential

Cutting-edge work: Be at the forefront of AI-assisted security testing

Growth opportunities: Shape the security posture of a rapidly scaling startup

Learning budget: Annual allocation for training, certifications, and conferences

Modern tech stack: Access to the latest tools and technologies

Impact: Your work directly influences product security and customer trust

Collaborative environment: Work alongside talented engineers and security professionals

About Our Security Philosophy

Our mission is to make all software effortless secure. We believe the future of security testing lies at the intersection of human expertise and AI capabilities. Our offensive security engineers don't just find vulnerabilities—they help build the next generation of security assessment tools. You'll work in an environment that values both deep technical skills and creative problem-solving, where your insights directly shape how we approach security challenges.

Offensive Security Engineer

About the Role

What You’ll Do

Core Responsibilities

Technical Leadership

What We’re Looking For

Required Qualifications

Preferred Qualifications

Skills & Attributes

What We Offer

About Our Security Philosophy

Explore more jobs

About the Role

What You’ll Do

Core Responsibilities

Technical Leadership

What We’re Looking For

Required Qualifications

Preferred Qualifications

Skills & Attributes

What We Offer

About Our Security Philosophy