Staff Software Engineer, Image Build & Release

Job not on LinkedIn

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $229.5k - $260k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Horizon3.ai

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🤖 Artificial Intelligence

☁️ SaaS

Cybersecurity • Artificial Intelligence • SaaS

Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.

📋 Description

• Design and own the CI/CD pipeline producing NodeZero container images from source to signed and scanned distribution-ready artifacts • Define image hardening, CVE scanning, and signing strategies meeting security and compliance requirements • Partner with the OTA Services team to design reliable and safe image-update delivery to customer-deployed NodeZero instances • Define rollout strategies, rollback procedures, and version pinning • Set standards for build reproducibility, artifact versioning, and release gating across the Client Platform team • Mentor P4 engineers through code reviews, design reviews, and architectural pairing • Write code and produce architecture designs • Own build and release infrastructure end-to-end, including on-call responsibility for pipeline failures, build-time regressions, and delivery incidents • Report to the Client Platform Engineering Manager and work directly with the OTA Services team

🎯 Requirements

• 8+ years of professional software engineering experience, specializing in build systems, CI/CD, or release engineering for containerized applications • Expert-level knowledge of Docker and container image construction, including multi-stage builds, base image selection, layer optimization, and image hardening • Experience with container image signing and verification using Cosign, Notary, or equivalent • Experience with image scanning toolchains such as Trivy, Grype, Snyk, or equivalent • Strong experience building and operating CI/CD pipelines at scale, using GitHub Actions, GitLab CI, Tekton, or equivalent • Deep understanding of Kubernetes, including image pulling, versioning, and updates in running clusters • Experience designing and operating OTA or remote update systems, including rollout strategies, delta delivery, version negotiation, and rollback • Proficiency in Go, Python, or shell scripting • Experience with artifact registries such as ECR, GCR, Docker Hub, or Harbor and artifact lifecycle management • 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

🏖️ Benefits

• 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 flexibility • Career development opportunities • Inclusive and collaborative work environment