Senior Defensive Security Engineer – Embedded Systems Jobs

Silvus Technologies (International)

Location:
United States, Los Angeles

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

140000.00 - 200000.00 USD / Year

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Job Description:

Silvus is seeking a Senior Defensive Security Engineer – Embedded Systems who will report to the Director of Software Engineering on the Software Engineering team. The successful individual in this role will focus on protecting our embedded systems from potential threats by designing and implementing robust security measures, conducting security assessments, and ensuring compliance with industry standards.

Job Responsibility:

Design and implement Linux-based security architectures for embedded systems, focusing on secure boot, and kernel hardening
Develop and enforce Linux security features, including iptables, netfilter, and auditd for intrusion detection and prevention
Conduct security assessments and audits of Linux-based embedded systems to identify and mitigate vulnerabilities
Integrate Linux security best practices into the development lifecycle (DevSecOps), emphasizing secure coding and configuration management
Manage vulnerabilities in Linux-based embedded systems, including timely patching and kernel updates
Train teams on Linux security practices, including privilege management, file system permissions, and container security
Participate in incident response planning and execution for Linux-based embedded systems
Implement Linux-native encryption and authentication mechanisms (e.g., dm-crypt, OpenSSL, PAM) for secure communications

Requirements:

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or related field (e.g., Mathematics, Computer Engineering)
Minimum 5 years in cybersecurity, with at least 2 years in defensive security roles focused on Linux-based systems
Expertise in Linux network security, secure coding, or embedded systems security
Coding/scripting in C/C++, Python, Bash, or assembly for Linux environments
Familiarity with Linux security tools like Auditd, Lynis, or vulnerability scanners
Security Clearance: Active U.S. Government SECRET clearance or the ability to obtain one within 12 months of hire
Must be a U.S. Person (U.S. Citizen, or U.S. Permanent Resident) due to clients under U.S. federal contracts

Nice to have:

Master’s degree in Cybersecurity, Computer Science, Information Technology, or related field
One or more of the following certifications: CISSP, CISM, GIAC Security Expert (GSE), CompTIA Security+, or Linux-specific (e.g., LFCS, RHCE)
Hands-on experience implementing Linux security controls, such as SELinux, AppArmor, or iptables, and conducting security assessments
Proficiency in Linux security frameworks, such as CIS Benchmarks, NIST SP 800-53, or STIGs
Broad experience with Linux secure development lifecycle (SDL) practices
Knowledge of Linux threat intelligence and threat modeling
Familiarity with Linux container security (e.g., Docker, Podman) and cloud environments
Strong communication skills to explain Linux security concepts to technical and non-technical audiences
Collaborative teamwork with cross-functional groups
Experience securing resource-constrained Linux-based embedded systems
Understanding of real-time Linux systems and their security implications
Knowledge of Linux hardware security integration, such as TPM or Secure Enclave
Demonstrated experience designing secure Linux communication systems with encryption, authentication, and key management
Familiarity with mobile ad-hoc networking security on Linux platforms

Additional Information:

Job Posted:
December 12, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Defensive Security Engineer – Embedded Systems