Senior Embedded Firmware Engineer

Acre Security; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Acre Security in Dublin, Ireland, is seeking a Senior Embedded Firmware Engineer to design and implement firmware for next-generation security products. You will work with hardware, software, and QA teams to deliver reliable, high-performance embedded systems.

The role focuses on RTOS and bare-metal development, ARM Cortex MCUs, C/C++, and ongoing innovation. Join a collaborative Engineering team shaping secure, scalable solutions for global customers.

Qualifications

• 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 analyzers, 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.

Responsibilities

• Design, 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.
• 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.

Skills

C/C++

Embedded systems

RTOS

ARM Cortex

Wireless protocols

Agile

Cross-functional teams

Education

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering

Tools

Oscilloscopes

Logic analyzers

JTAG debuggers

Job description

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 analyzers, 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