Senior Staff Software Engineer

Alarm.com

Tysons, Virginia

Full Time

Posted June 30, 2026

$168k - $200k

Power Generation

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Job Description

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.

Key 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

Requirements

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.

Benefits & Perks

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 .
Our total rewards package is designed to support you holistically—in your health, your finances, and your life outside of work. The package includes medical plans with company subsidies, a Health Savings Account (HSA) with a company contribution, and a 401(k) with an employer match. We encourage a healthy work-life balance with paid vacation that increases with tenure, paid holidays, wellness time, and paid maternity and bonding leave. To complete the package, we also provide company-paid disability and life insurance, all within a collaborative and casual work environment.