Senior Staff Software Engineer

Senior Staff Software Engineer, Protocols Team

We are seeking a Senior Staff Software Engineer to lead the architecture and delivery of IoT and smart automation protocols with a focus on Z‑Wave, Matter, PowerG, and ZigBee. You will own initiatives from design through deployment, mentor engineers, and clearly communicate an architectural vision that aligns devices, gateways, mobile apps, and cloud services. You will collaborate across Product, Firmware, Panels, and Operations to deliver secure, reliable, and interoperable experiences.

WHAT CAN YOU DO FOR ALARM.COM?

Define and communicate the protocol architecture for onboarding, secure transport, command and control, telemetry, and OTA updates across Z Wave, Matter, PowerG, and ZigBee. Drive discovery, design, and implementation, set near term and long-term plans, review solutions, and provide clear documentation and examples. Lead interoperability and certification, build gateway and cloud translation services, and deliver SDKs and tools that enable partners. Raise reliability through observability, on call support, and capacity planning with operations. Join a small, friendly culture with a broad technology surface and immediate impact.

DAY-TO-DAY RESPONSIBILITIES

Lead design of major components and systems for the Protocols team

Mentor engineers and establish reusable patterns and best practices

Set the Protocols roadmap and communicate tradeoffs and decisions to executives, partners, and cross functional teams

Deliver robust implementations for Z Wave, Matter, PowerG, and ZigBee, including capability negotiation and backward compatibility

Build gateway and cloud services that normalize device semantics with attention to latency, throughput, and cost

Partner with Ops on deployments, on call rotations, incident response, and post incident reviews

Guide data models and storage for protocol payloads and device state, and contribute concise architecture docs and runbooks

WHAT DO YOU NEED?

Bachelor’s in Computer Science, Computer Engineering, a related field, or equivalent experience

10+ years of software development with ownership of highly available services

Proven leadership mentoring engineers and building reusable platforms and libraries

Strong communication and the ability to articulate architectural vision to technical and non-technical audiences

Expertise in object-oriented programming, C# and .NET a plus

Experience designing secure, fault tolerant distributed systems and operating them in production with Ops

Observability with tools such as Grafana

Database design and development, SQL Server and cloud databases a plus

Capacity planning for physical and cloud infrastructure

Hands-on experience with Z Wave, Matter, PowerG, or ZigBee, including commissioning, security, and interoperability

NICE TO HAVE

Thread, BLE, Wi Fi, or cellular experience

MQTT, HTTP, WebSockets, or gRPC, including QoS and session management

Security across TLS, DTLS, key management, device identity, secure boot, and threat modeling

Embedded and gateway experience with C or C++ on RTOS or Linux, and packet analysis with sniffers and spectrum tools

High throughput telemetry ingestion and storage with schema versioning and compression

Large scale rollout and OTA strategies, including staged deployments, rollback, and fleet health metrics

Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.

WHY WORK FOR ALARM.COM ?

Collaborate with outstanding people: We hire only the best. Our standards are high and our employees enjoy working alongside other high achievers.

Make an immediate impact: New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the Alarm.com team!

Gain well rounded experience: Alarm.com offers a diverse and dynamic environment where you will get the chance to work directly with executives and develop expertise across multiple areas of the business.

Community and Camaraderie: One of our core values is to 'Keep It Fun,' which to us means fostering a strong sense of community. Our culture is built on collaboration and connection, where we celebrate our successes and believe that a positive, engaging environment is key to doing our best work.

Alarm.com values working together and collaborating in person. Our employees work from the office 4 days a week .

COMPANY INFO

Alarm.com is the leading platform for intelligently connected properties. Millions of homeowners and businesses rely on Alarm.com 's technology to secure, monitor, and manage their environments from anywhere. Our comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional servic…