Senior Offensive Security Engineer - Embedded Systems

Silvus; Los Angeles (CA); Hybrid; USD 140,000 - 220,000; Full time

Job summary

Silvus Technologies is hiring a Senior Offensive Security Engineer in Los Angeles. This role focuses on assessing vulnerabilities in embedded systems and requires a minimum of 3 years in cybersecurity. The position offers hybrid work arrangements, with on-site days expected on Mondays, Wednesdays, and Thursdays.

Ideal candidates will have expertise in penetration testing and must have or be able to obtain U.S. Government SECRET clearance. Compensation ranges from $140,000 to $220,000 based on qualifications.

Qualifications

• 3 years of experience in cybersecurity, with 1 year in an offensive security role.
• Broad experience assessing security postures of web applications, hardware, and embedded systems.
• Demonstrated experience leading offensive security engagements.

Responsibilities

• Assess security posture of Silvus‑built software, hardware and firmware.
• Provide expertise on real‑world attack vectors.
• Plan, build, and maintain capabilities for red team projects.

Skills

Penetration testing

Vulnerability assessment

Reverse engineering

Threat modeling

Programming (Rust, C/C++, Golang, Swift)

Mobile device security

Education

High School diploma or GED

Bachelor’s degree in Cybersecurity or related field

Job description

THE COMPANY

Silvus Technologies, a leading provider of advanced MANET and MIMO communications systems, is reshaping mesh network technology for mission‑critical applications – on the ground, in the air and at sea. Its battle‑proven StreamCaster family of MANET radios and proprietary MN‑MIMO waveform provides the vital communications link for defense, law enforcement and public safety agencies around the world, and in the toughest operational environments.

With deep roots in DARPA research, Silvus Technologies develops world‑class advanced communications technologies that are reshaping the tactical communications landscape. From pure line‑of‑sight to extreme non‑line‑of‑sight, Silvus radios form a self‑healing, self‑forming mesh network, enabling secure and reliable connectivity, including video and high‑bandwidth data.

Silvus Technologies is a wholly owned subsidiary of Motorola Solutions, Inc.

Would you like to join an incredibly talented group of people, doing very challenging work, with the prime directive of Keeping Our Heroes Connected?

THE OPPORTUNITY

Silvus is seeking a Senior Offensive Security Engineer – Embedded Systems who will report to the Director of Software Engineering on the Software Engineeringteam. The successful individual in this role will focus on proactively identifying and exploiting vulnerabilities in embedded systems (hardware, firmware, and associated software) to improve overall security posture. This role utilizes techniques such as penetration testing, reverse engineering, and threat modeling to find weaknesses in system design and architecture.

This position is based at Silvus Technologies’ headquarters in the heart of vibrant West Los Angeles, CA and is on a hybrid schedule; a minimum of 3 days onsite per week is expected. On‑site days are Mondays, Wednesdays, and Thursdays.

The following is a list of at least some of the current essential job functions of the position. Management may assign or reassign duties and responsibilities at any time at its discretion.

ROLE AND RESPONSIBILITIES

• Assess security posture of Silvus‑built software, hardware and firmware as well as the third‑party components used in our products.
• Provide expertise to other Silvus teams on real‑world attack vectors and work with appropriate team members to implement and test mitigations.
• Plan for, build and maintain capabilities needed to execute red team projects.
• Perform other related duties of which the above are representative.

REQUIRED QUALIFICATIONS

• High School diploma or GED plus 3 years of experience in cybersecurity, with at least 1 year in an offensive security role (e.g., penetration testing, red teaming, vulnerability assessment).
• Broad experience assessing the security posture of everything from web applications to hardware and embedded systems.
• Demonstrated experience leading offensive security engagements.
• Experience with assessment of cloud based and containerized environments (AWS, Azure, Kubernetes).
• Proven experience assessing and improving the security of mobile devices (Android and/or iOS).
• Proficient with one or more programming languages (e.g., Rust, C/C++, Golang, Swift).
• Security Clearance: Active U.S. Government SECRET clearance or the ability to obtain one within 15 months of hire.
• Must be a U.S. Citizen due to clients under U.S. government contracts.
• All employment is contingent upon the successful clearance of a background check and drug test.

PREFERRED KNOWLEDGE, SKILLS AND ABILITIES

• Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related field (e.g., Mathematics, Computer Engineering).
• Considerable experience building custom tooling to assist in offensive security activities.
• Experience weaponizing vulnerabilities to provide unique capabilities.
• Familiarity with security architectures of robot platforms (consumer or otherwise), aerospace, and physical systems.
• In‑depth experience developing features for and improving security of mobile applications, networks, or embedded systems.
• Strong familiarity with mobile device exploitation techniques.
• Broad familiarity with anti‑tamper and reverse engineering mechanisms.
• Regularly build, test, and deliver production‑ready systems, especially for embedded and/or mobile.
• Strong professional communication skills (written and verbal).

WORKING CONDITIONS & PHYSICAL REQUIREMENTS

• Office environment.
• While performing the duties of this job, the employee is required to do the following:
  • Lift equipment up to 20 lbs. for the set‑up of demonstrations or testing.
  • Perform bending and reaching movements to place items on lower and higher shelves.
  • Kneeling or squatting to access lower shelves.
  • Walking/Moving in the labs.

COMPENSATION

$140,000 – $220,000 USD

Consistent with Motorola Solutions values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job‑related knowledge, skills, and experience. The actual offer will be based on the individual candidate.

NOTE - As a US Federal Contractor, Silvus Technologies requires that ALL candidates being considered for employment for any position (regardless of level) MUST be a U.S. Person (permanent resident or citizen). Stricter U.S. Citizen ONLY requirements (needed for some Engineering or R&D roles) will be included in the Required Qualifications section of the posted position. This does NOT apply to international positions; only job postings for positions located in the US.

Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally‑protected characteristic.

We are proud of our people‑first and community‑focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.

We’re committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. To request an accommodation, please complete this Reasonable Accommodations Form so we can assist you.