Staff Software Engineer, OTA Services

Horizon3.ai

. Design and own NodeZero’s over-the-air update system, including delivery protocol, version negotiation, rollout orchestration, health verification, and automatic rollback .

Posted 10/23/2026full-timeRemote • United StatesLead💰 $229,500 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and managing over-the-air update systems, including delivery protocols and version management, while mentoring engineers and driving technical decisions across teams. Proficient in building reliable software for constrained environments and ensuring system reliability end-to-end.

Highest-signal resume keywords

Remote Update System DesignProficiency In Go, Python, Or RustDeep Understanding Of KubernetesExperience With Container Image DistributionMentoring Mid-Level Engineers

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed SystemsVersion NegotiationHealth VerificationRollback SemanticsRollout StrategiesDelta DeliveryMTLSArchitecture DesignTechnical DirectionOn-Call Incident Management

Soft Skills

MentoringTechnical PairingCollaboration

Tools & Technologies

KubernetesOCI ArtifactsImage ManifestsLayer CachingRegistry Protocol

Industry Keywords

Fleet Management InfrastructureCybersecurityHigh-Security EnvironmentSigned Artifact DeliveryChain-Of-Custody Verification

Tech Stack

Tools & technologies

Cyber SecurityDistributed SystemsKubernetesPythonRustGo

About the role

Key responsibilities & impact

Design and own NodeZero’s over-the-air update system, including delivery protocol, version negotiation, rollout orchestration, health verification, and automatic rollback
Own systems tracking the version state of every NodeZero deployment
Design phased rollouts, canary deployments, customer pinning, and emergency hold mechanisms
Design reliable delivery mechanisms for air-gapped networks, strict egress policies, and minimal-footprint deployments
Own OTA system reliability end-to-end and participate in on-call for delivery failures, stuck updates, and version drift incidents
Write production code and produce architecture designs
Set technical direction for update delivery and version management
Mentor P4 engineers through design review, code review, and technical pairing
Partner closely with the Image Build & Release team
Report to the Client Platform Engineering Manager

Requirements

What you’ll need

8+ years of professional software engineering experience with deep specialization in distributed systems, remote update systems, or fleet management infrastructure
Deep understanding of remote update system design, including delivery protocols, version negotiation, delta delivery, health verification, and rollback semantics
Experience designing rollout strategies for software deployed across heterogeneous, customer-managed environments
Strong proficiency in Go, Python, or Rust
Experience building software for constrained or air-gapped environments
Deep understanding of Kubernetes
Experience with container image distribution, including OCI artifacts, image manifests, layer caching, and registry protocol
Strong understanding of mTLS, certificate lifecycle, and secure channel establishment
Track record of setting engineering standards adopted by other engineers
Ability to produce architecture documents and drive technical decisions across team boundaries
Experience mentoring mid-level engineers through design and code review
Minimum 25Mbps consumer-grade broadband connection
Legally authorized to work in the United States
Nice to have: Kubernetes operators or controller patterns
Nice to have: cybersecurity or regulated/high-security environment experience
Nice to have: Fleet or similar open-source fleet management tools
Nice to have: signed artifact delivery and end-to-end chain-of-custody verification

Benefits

Comp & perks

Equity package in the form of stock options may be available
Health, vision, and dental care for employees and their families
Flexible vacation policy
Generous parental leave
Remote work in a 100% remote company
Career development opportunities
Inclusive and collaborative culture
Up to 5% travel may be required