[Remote] Sr Technical Security Engineer-Remote

Note: The job is a remote job and is open to candidates in USA. Generis Tek Inc is seeking a Sr Technical Security Engineer for a contract role. The engineer will be responsible for securing desktop and mobile applications, managing incident response, and embedding security into the software development lifecycle.

Responsibilities

• 5+ years of experience in application or product security, with a track record of securing desktop and mobile applications.
• Strong understanding of secure architecture for thick clients, including local storage protection, inter-process communication, JavaScript engines, OS-level security features, and web security standards (CSP, same-origin policy, TLS/HTTPS).
• Experience with mobile (iOS/Android) and desktop (Windows/macOS/Linux) application security models.
• Proficiency in GenAI security, modern cryptography, certificate management, secure authentication (OAuth, WebAuthn, FIDO2), and secure session handling.
• Knowledge of OS-level hardening techniques, sandboxing, privilege separation, and secure use of platform APIs.
• Hands-on experience with secure coding practices in at least one systems language (C++, Rust, Go) and one application language (Kotlin, Swift, C#).
• Familiarity with static/dynamic analysis tools, fuzzing, penetration testing, and reverse engineering for client applications.
• Experience embedding security into the software development lifecycle (threat modeling, code reviews, secure design patterns).
• Ability to manage incident response and vulnerability remediation for thick client environments.
• Strong cross-team communication skills and ability to write clear developer-facing security guidelines.
• Contributions to open-source client frameworks, SDKs, or application security tools.
• Prior work with secure local storage, anti-tampering, DRM, or obfuscation in client software.
• Familiarity with offline-first application security challenges (sync, caching, data persistence).
• Experience with privacy-preserving client design, including minimizing telemetry and preventing data leakage.
• Deep understanding of reverse engineering techniques and defenses (e.g., code obfuscation, anti-debugging, integrity checks).
• Experience leading security architecture for a thick client application launch at scale.

Skills

• 5+ years of experience in application or product security, with a track record of securing desktop and mobile applications.
• Strong understanding of secure architecture for thick clients, including local storage protection, inter-process communication, JavaScript engines, OS-level security features, and web security standards (CSP, same-origin policy, TLS/HTTPS).
• Experience with mobile (iOS/Android) and desktop (Windows/macOS/Linux) application security models.
• Proficiency in GenAI security, modern cryptography, certificate management, secure authentication (OAuth, WebAuthn, FIDO2), and secure session handling.
• Knowledge of OS-level hardening techniques, sandboxing, privilege separation, and secure use of platform APIs.
• Hands-on experience with secure coding practices in at least one systems language (C++, Rust, Go) and one application language (Kotlin, Swift, C#).
• Familiarity with static/dynamic analysis tools, fuzzing, penetration testing, and reverse engineering for client applications.
• Experience embedding security into the software development lifecycle (threat modeling, code reviews, secure design patterns).
• Ability to manage incident response and vulnerability remediation for thick client environments.
• Strong cross-team communication skills and ability to write clear developer-facing security guidelines.
• Contributions to open-source client frameworks, SDKs, or application security tools.
• Prior work with secure local storage, anti-tampering, DRM, or obfuscation in client software.
• Familiarity with offline-first application security challenges (sync, caching, data persistence).
• Experience with privacy-preserving client design, including minimizing telemetry and preventing data leakage.
• Deep understanding of reverse engineering techniques and defenses (e.g., code obfuscation, anti-debugging, integrity checks).
• Experience leading security architecture for a thick client application launch at scale.
• Advanced degree (MS/PhD) in Computer Science, Cybersecurity, or related field.

Company Overview

• Generís Tek is an elite IT staffing firm headquartered in Chicago, IL offering long-term, short-term, temporary-to-permanent and direct placement staffing. It was founded in 2015, and is headquartered in Bloomingdale, IL, IL, with a workforce of 51-200 employees. Its website is http://www.generistek.com.

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