Staff Embedded Software Architect for IoT Systems

Alarm.com; Tysons (VA); On-site; USD 144,250 - 169,126; Full time

Benefits offered by this job

HSA contribution

401(k) match

Paid holidays/vacation

Wellness time

Maternity leave

Disability & life insurance

FSA

Job summary

Alarm.com is seeking a Staff Embedded Software Engineer to lead device engineering for IoT‑connected solutions. You will architect software for constrained devices, drive cross‑team decisions, and mentor engineers across a fast‑paced environment.

The role emphasizes C++11/14, RTOS, cross‑compilation, and secure, scalable architectures across multiple hardware variants. A deep background in embedded systems and networking is required to shape our edge devices and cloud integration.

Qualifications

• 10+ years of professional software engineering experience, with focus on native/embedded systems development.
• Experience with large complex C++ codebases.
• Expert in C++11/14 and modern language features.
• Experience with bare‑metal and RTOS (FreeRTOS/Zephyr/ThreadX).

Responsibilities

• Drive technical decision‑making across teams and architectures.
• Architect and analyze large codebases for monolithic vs modular designs.
• Implement state machines, event‑driven patterns, and publish/subscribe models.
• Support multi‑SKU cross‑platform software design.
• Create ADRs, architectural docs, and system specifications.
• Communicate constraints to product, hardware, and stakeholders.
• Identify tech debt and champion long‑term remediation.

Skills

Embedded systems experience

C++ expert (11/14)

Large C++ codebase

Linux threading & IPC

Build systems: CMake/Makefile

Cross‑compilation

RTOS environments

Networking protocols (IoT)

Git & CI/CD

Asynchronous/messaging design

Security protocols TLS/SSL

Education

Bachelor's degree in Computer/EE/CS or related

Tools

CMake

Makefile

Cross‑compilation tooling

Job description

Alarm.com is seeking a Staff Embedded Software Engineer to lead device engineering for IoT‑connected solutions. You will architect software for constrained devices, drive cross‑team decisions, and mentor engineers across a fast‑paced environment.

The role emphasizes C++11/14, RTOS, cross‑compilation, and secure, scalable architectures across multiple hardware variants. A deep background in embedded systems and networking is required to shape our edge devices and cloud integration.