Senior/Staff/Principal SWE – OT Security Engineering

🕒 Maio 11

🗽 New York – Remoto

🗽 New York – Remote

⏰ Tempo Integral

🟠 Sênior

👮‍♂️ Cibersegurança / Engenheiro de Segurança

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AppGate

SiteLinkedInTodas as Vagas

501 - 1000 funcionários

🔒 Cibersegurança

🏢 Corporativo

Cybersecurity • Enterprise

AppGate é uma empresa global de cibersegurança que oferece soluções de Acesso à Rede Zero Trust (ZTNA) de alto desempenho para empresas e agências governamentais. Sua plataforma aplica políticas de acesso adaptativas baseadas em identidade usando pontuação de risco em tempo real, descoberta de aplicativos impulsionada por IA e uma arquitetura de roteamento direto, projetada para evitar gargalos na nuvem e escalar em ambientes exigentes. A AppGate também fornece serviços profissionais e ofertas de consultoria cibernética — incluindo simulação de adversários, testes de penetração e avaliações de risco de acesso por terceiros — para ajudar as organizações a implementar e operacionalizar controles de Zero Trust.

Descrição

• **Secure Remote Access Platform: **Identity-bound, MFA-protected access anchored at the OT DMZ / Purdue Level 3, with session brokering, just-in-time privilege, and policy enforcement designed for industrial environments. • **Protocol-Aware Policy Authoring: **A Protocol Registry that maps OT protocol names (Modbus TCP, DNP3, IEC 61850, OPC-UA, EtherNet/IP) to port and transport defaults, making policy authoring OT-aware without changing the underlying enforcement model. • **Evidence and Audit Baseline: **Structured access logs capturing user identity, target, session start/end, and outcome - forwardable to Splunk, Kinesis, Datadog etc. supporting NERC CIP, IEC 62443, NIST SP 800-82, and CMMC audit requirements. • **Session Governance: **Enforced session recording, keystroke logging, step-up authentication, and dual-authorization approval workflows for regulated and defense environments. • **Asset Context Ingestion (Phase 2+): **API-based integration with OT visibility platforms (Dragos, Nozomi, Claroty) normalized into policy-ready attributes, without blocking access in the critical path. • **Design and implement **backend services across AppGate's distributed architecture — Controller, Gateway, and Connector components — with a focus on OT-safe deployment patterns. • **Build and maintain **REST and gRPC APIs supporting policy evaluation, access control, protocol registry management, and OT-specific system integrations. • **Apply Zero Trust principles **to remote access for industrial assets, accounting for the safety, uptime, and determinism constraints of OT environments. • **Integrate **with industrial protocols and OT asset types — PLCs, RTUs, HMIs, historians — running Modbus, DNP3, OPC-UA, Profinet, and EtherNet/IP. • **Own features end-to-end, **from architecture through production deployment in real customer environments. • **(Staff / Principal) **Define technical direction, lead architecture reviews, and support hiring as the OT engineering function scales.

🎯 Requisitos

• **Experience: **Hands-on background building or operating secure remote access systems — VPN, ZTNA, jump servers, privileged access, session brokers, or equivalent. • **OT Domain Knowledge: **Direct experience in or with OT / ICS environments — manufacturing, energy, utilities, oil and gas, water, transportation, or defense. • **Technical Fundamentals: ** • Strong systems programming in Go, Rust, or a comparable language • Solid networking (TCP/IP, TLS, firewalls) and identity (SAML, OIDC, PKI) fundamentals • Familiarity with the Purdue Model and IT/OT DMZ design patterns • Working knowledge of OT protocols: Modbus, DNP3, OPC-UA, EtherNet/IP • **Mindset: **High ownership, end-to-end accountability, comfortable in a small team where you solve problems before they become fires.