Hardware Security Engineer

Who is Flock?

Flock Safety is the leading safety technology platform, helping communities thrive by taking a proactive approach to crime prevention and security. Our hardware and software suite connects cities, law enforcement, businesses, schools, and neighborhoods in a nationwide public-private safety network. Trusted by over 5,000 communities, 4,500 law enforcement agencies, and 1,000 businesses, Flock delivers real-time intelligence while prioritizing privacy and responsible innovation.

We’re a high-performance, low-ego team driven by urgency, collaboration, and bold thinking. Working at Flock means tackling big challenges, moving fast, and continuously improving. It’s intense but deeply rewarding for those who want to make an impact.

With nearly $700M in venture funding and a $7.5B valuation, we’re scaling intentionally and seeking top talent to help build the impossible. If you value teamwork, ownership, and solving tough problems, Flock could be the place for you.

The Opportunity

We are looking for a Hardware Security Engineer to help work on unique and interesting problems on Flock hardware. This role will work on the Product security team and help the team to enforce robust security controls in Flock devices including video based license plate readers and drones.

Hardware security at Flock is deep and complex. Flock manages its own large fleet of devices including gunshot detection, license plate reader, and drone devices. Hardware security engineers at Flock help to construct defenses on all of these platforms and have the unique opportunity to work on esp32 and Android based devices helping our engineering peers to shore up security controls from supply chain, to physical hardware, and delivery to cloud.

Job Duties and Responsibilities

• Work with device hardware and software teams to:
• Implement fixes for security vulnerabilities
• Develop and implement defensive security measures
• Develop, review, test, and debug Android APIs and system services
• Assist with designing strategic innovations for security architecture
• Participate in security projects designed to improve the security posture of the Flock device ecosystem
• Help with the organization and execution of hardware specific vulnerabilities. Work to track them from start to finish line of implementation and maintain state.

The Skillset

• 2+ years of experience of device hardware experience
• Excellent communication skills
• Familiarity with source control solutions such as (git/Github/Gerrit)
• Familiarity with modern software development practices and tools (DevOps)
• Beginner's experience with C/C++ and Kotlin/Java, specific experience with Android Frameworks and System Java preferred
• A passion for Android OS and embedded chipsets
• Some Familiarity with both Android SDKs and NDKs
• An understanding of security controls in the Android/Linux ecosystem
• Experience with SELinux
• A desire to learn and grow in hardware security engineering
• Ability to conduct code and security architecture reviews

Nice to Haves

• You probably hack on hardware in your free time, it's your passion
• Experience working directly with hardware, specifically microcontrollers
• Low level experience working with Qualcomm chipsets
• Low level experience working with network protocols such as BLE and LTE
• Linux internals (process scheduler, memory management, concurrency, synchronization, memory allocation, file system, networking, storage, subsystem architecture)

Feeling uneasy that you haven’t ticked every box? That’s okay; we’ve felt that way too. Studies have shown women and minorities are less likely to apply unless they meet all qualifications. We encourage you to break the status quo and apply to roles that would make you excited to come to work every day.

90 Days at Flock

We are a results-oriented culture and believe job descriptions are a thing of the past. We prescribe to 90 day plans and believe that good days, lead to good weeks, which lead to good months. This serves as a preview of the 90 day plan you will receive if you were to be hired in this role at Flock Safety.

The First 30 Days

• Gain familiarity with Flock’s processes and culture
• Familiarize yourself with the company, team, and internal systems.
• Build relationships with key stakeholders and understand their pain points.
• Gain a comprehensive understanding of current internal systems and processes.

The First 60 Days

• At the end of 60 Days, you have taken ownership, have a good understanding of our hardware primitives and probably have some opinions on what should be our next steps in maturity.

90 Days & Beyond

• At the end of 90 Days, you are rolling. You now own and are collaborating on Security projects independently. You have implemented a feedback loop with Engineering/Security stakeholders to ensure continuous improvement & open communication on project outcomes.

Salary & Equity

In this role, you’ll receive a starting salary between $87,000 and $100,000 as well as Flock Safety Stock Options. Base salary is determined by job-related experience, education/training, as well as market indicators. Your recruiter will discuss this in-depth with you during our first chat.

The Perks

🌴Flexible PTO: We offer non-accrual PTO, plus 11 company holidays.

⚕️Fully-paid health benefits

plan for employees: including Medical, Dental, and Vision and an HSA match.

👪Family Leave: All employees receive 12 weeks of 100% paid parental leave. Birthing parents are eligible for an additional 6-8 weeks of physical recovery time.

🍼Fertility & Family Benefits: We have partnered with Maven

, a complete digital health benefit for starting and raising a family. Flock will provide a $50,000-lifetime maximum benefit related to eligible adoption, surrogacy, or fertility expenses.

🧠Spring Health: Spring Health offers a variety of mental health benefits, including therapy, coaching, medication management, and digital tools, all tailored to each individual's needs.

💖Caregiver Support: We have partnered with Cariloop

to provide our employees with caregiver support

💸Carta Tax Advisor: Employees receive 1:1 sessions with Equity Tax Advisors who can address individual grants, model tax scenarios, and answer general questions.

💚ERGs: We want all employees to thrive and feel like they belong at Flock. We offer four ERGs today - Women of Flock, Flock Proud, LEOs and Melanin Motion. If you are interested in talking to a representative from one of these, please let your recruiter know.

💻WFH Stipend: $150 per month to cover the costs of working from home.

📚Productivity Stipend: $300 per year to use on Audible, Calm, Masterclass, Duolingo, Grammarly and so much more.

🏠Home Office Stipend: A one-time $750 to help you create your dream office.

Flock is an equal opportunity employer. We celebrate diverse backgrounds and thoughts and welcome everyone to apply for employment with us. We are committed to fostering an environment that is inclusive, transparent, and collaborative. Mutual respect is central to how Flock operates, and we believe the best solutions come from diverse perspectives, experiences, and skills. We embrace our differences and know that we are stronger working together.

If you need assistance or an accommodation due to a disability, please email us at recruiting@flocksafety.com. This information will be treated as confidential and used only to determine an appropriate accommodation for the interview process.

At Flock Safety, we compensate our employees fairly for their work. Base salary is determined by job-related experience, education/training, as well as market indicators. The range above is representative of base salary only and does not include equity, sales bonus plans (when applicable) and benefits. This range may be modified in the future. This job posting may span more than one career level.