Acre Security

Senior Embedded Firmware Engineer

Dublin, Dublin, Ireland - Full Time

Position: Senior Embedded Firmware Engineer
Location: Dublin, Ireland (Hybrid)

Move Security Forward with Acre
Are you passionate about transforming the future of security? Do you thrive in a collaborative, innovative environment where your contributions drive real impact? If so, Acre Security is the place for you. Join us in making the world a safer place — one innovation at a time.

About Acre
At Acre, we're not just building security solutions — we’re empowering security professionals to adapt and thrive in a rapidly changing world. Since our inception in 2012, Acre has been at the forefront of innovation in access control, visitor management, and intrusion software. Our solutions are trusted by organisations in over 25 countries, delivering smarter, more adaptable, and easier-to-use security technologies that protect what matters most.

Your Impact
We’re looking for a talented Senior Embedded Firmware Engineer to join our Engineering team. In this role, you will:
  • Design and develop embedded firmware solutions for next-generation security products.
  • Collaborate with hardware, software, and QA teams to deliver reliable, high-performance embedded systems.
  • Drive innovation by optimising embedded architectures and adopting emerging technologies.

What You’ll Do
In addition to the above, your key responsibilities will include:
  • Design, develop, and implement embedded systems and firmware for microprocessor and microcontroller-based applications.
  • Develop and optimise real-time operating systems (RTOS) and bare-metal embedded software.
  • Collaborate with hardware and QA engineers to integrate embedded solutions into product designs.
  • Write, maintain, and optimise efficient, well-documented code in C and C++.
  • Conduct testing, debugging, and validation activities to ensure system robustness and reliability.
  • Ensure compliance with industry standards and embedded development best practices.
  • Stay up to date with emerging trends and advancements in embedded systems, firmware development, and microprocessor technologies.

What You'll Bring
To succeed in this role, you'll need:
  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related discipline.
  • Proven experience developing embedded systems, firmware, and microprocessor/microcontroller-based solutions.
  • Strong proficiency in C/C++ programming for embedded applications.
  • Hands-on experience using hardware debugging tools such as oscilloscopes, logic analysers, and JTAG debuggers.
  • Experience working with ARM Cortex-based microcontrollers and processors.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication skills and the ability to work effectively within cross-functional teams.
  • Experience with wireless communication protocols and interfaces.
  • Working knowledge of Agile development methodologies.
Desirable:
  • Experience with embedded Linux, RTOS, and real-time system constraints.
  • Experience with PCB design and schematic review.
  • Knowledge of cybersecurity principles for embedded systems.

What’s in It for You
We strive to do more than just match your ambitions — when you join Acre, you’ll have access to a range of exciting opportunities:
  • Be part of a disruptor – Help move security forward with a company that challenges the status quo and redefines industry standards.
  • Learn from industry leaders – Work alongside experts and innovators driving real change in security technology.
  • Drive meaningful impact – Your work will directly contribute to pioneering security technologies that protect businesses and communities worldwide.
  • Advance your career – Access professional development opportunities, including training programmes, mentorship, and industry events.
  • Enjoy competitive rewards – We offer a competitive compensation package, performance-based incentives, and a comprehensive benefits programme that reflects your contributions.

Join the Future of Security
At Acre, we’re moving security forward. If you're ready to make an impact in a fast-moving, innovative industry, we’d love to hear from you.

Acre is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
 

Data Privacy Statement

We process personal data submitted in connection with your application for recruitment purposes in accordance with applicable data protection laws. Applicant data will generally be retained for up to 12 months from the date of last activity unless otherwise required by law or where consent has been provided for future opportunities. For details, please see our Privacy Notice: Acre Security

Apply: Senior Embedded Firmware Engineer
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Could you briefly describe your current role and your reasons for looking for new career opportunities?*
What is your current location, and do you require visa sponsorship or work authorisation support now or in the future?*
What attracted you to this Embedded Firmware Engineer position with Acre Security?*
How many years of experience do you have developing firmware using Embedded C?*
Please describe a technical challenge you encountered in an embedded systems project and how you resolved it.*
What experience do you have developing or working with Hardware Abstraction Layers (HALs) and device drivers? Please provide relevant examples.*
Which embedded communication protocols have you worked with (e.g. SPI, I²C, UART, CAN, Ethernet)? Please indicate those with which you have the most experience.*
What experience do you have debugging embedded systems? Please describe your use of tools such as JTAG debuggers, oscilloscopes, logic analysers, or similar equipment.*
Have you been involved in the design of embedded software architectures? If so, please describe a project you worked on, including key challenges and how they were addressed.*
What experience do you have using version control systems such as Git? Have you worked with platforms such as GitHub, GitLab, or Bitbucket?*
Have you developed software for systems with real-time requirements? If so, please provide an example and explain how timing constraints were managed.*
What experience do you have implementing or supporting Firmware Over-the-Air (FOTA) update mechanisms?*
Please describe any experience you have with secure firmware development, including areas such as encryption, authentication, secure boot, secure provisioning, or key management.*
Have you used AI-assisted tools or techniques in firmware development? If so, please provide examples of how AI contributed to solving a technical problem, improving development efficiency, or implementing a solution.*
Is there anything else about your experience, skills, or achievements that you believe is particularly relevant to this role?*
Have you been referred by an Acre employee? If so, please provide the name of the employee
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