Principal Support Engineer – Endpoint

Job not on LinkedIn

🕒 August 25

🇺🇸 United States – Remote

⏰ Full Time

🔴 Lead

📞 Support Engineer

👻 Ghost score 23%

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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Reach Security

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2021

💼 Consulting

📦 Logistics

🔒 Cybersecurity

💰 Venture Round on 2021-02

Consulting • Logistics • Cybersecurity

Reach Security is a unified platform designed to help organizations optimize their security investment and close critical gaps in their defenses. By assessing security posture, maximizing existing tools, and providing detailed actionable insights, Reach enables security teams to streamline operations and strengthen defense mechanisms efficiently. The platform integrates seamlessly with various security systems to help users prioritize risks and remediate vulnerabilities, making it an essential tool for enhancing security posture in today's evolving threat landscape.

📋 Description

• Serve as the endpoint subject-matter expert for the support team • Review customer endpoint configurations, controls, and policies and make prioritized recommendations • Critique Reach's endpoint findings, separating signal from noise and explaining urgency • Troubleshoot integrations between Reach and third-party endpoint and security products, including EDR, DLP, and MDM • Diagnose deep, engineering-level customer issues end to end using logs, telemetry, diagnostics, and OS-level reasoning • Package clear diagnoses and proposed fixes for Engineering • Enable Sales Engineering teams to interpret endpoint findings and defend recommendations • Partner with Engineering and QA to report defects, validate fixes, confirm workarounds, and drive root-cause analysis • Author and maintain runbooks, troubleshooting guides, and internal documentation • Maintain lab or test capability for validating endpoint behavior and integration edge cases

🎯 Requirements

• 6+ years of deep, hands-on experience with Windows and macOS endpoint agents and endpoint security in enterprise environments • Time in a senior individual-contributor role such as L3 Support Engineer, Endpoint Engineer, Windows/macOS Engineer, or Security Support Engineer • Demonstrated command of endpoint agent behavior across Windows and macOS, including installation, upgrades, persistence, OS compatibility, performance, and stability • Kernel-level understanding of Windows, including ETW, WFP, memory management, process/thread behavior, and driver interactions • macOS internals experience, including the Endpoint Security framework, System Extensions, FSEvents, MDM interactions, notarization, code signing, and process lifecycle • Track record of analyzing endpoint telemetry, logs, and diagnostics to reach root cause in complex system interactions • Experience resolving interoperability issues between endpoint agents and security tools such as EDR, DLP, MDM, or similar • Working knowledge of Linux system administration • Experience with enterprise-scale environments and large endpoint fleets • Ability to prioritize significant findings and controls and clearly advise customers • Strong written and verbal communication • Strong time management and sense of urgency in customer-impacting situations • BS or MS in Computer Science, Engineering, or a related technical discipline, or equivalent practical experience • Nice to have: experience supporting endpoint security, insider risk, or behavioral-analytics platforms • Nice to have: experience reproducing customer issues in production-like endpoint labs • Nice to have: exposure to AWS, Azure, or GCP • Nice to have: Linux internals knowledge • Nice to have: hands-on experience with CrowdStrike Falcon, Microsoft Defender, SentinelOne, or similar • Application form asks whether the applicant is a US citizen or Green Card holder

🏖️ Benefits

• Competitive salary and equity package • Medical, dental, and vision insurance, including plan options with company-paid employee coverage • FSA, HSA, and 401(k) plans • Company paid life insurance and disability coverage, along with buy up options • Voluntary pet insurance • Identity theft coverage • Legal services • Unlimited PTO and sick time