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Lead Engineer – Security Architecture

DDN
Remote, USA
Full-time
Senior · 12+ years experience
Remote
Discovered 1 weeks ago
KMIPKeycloakLDAPActive DirectoryOIDCSSO
Free

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Key Responsibilities

  • Define and lead the long-term security architecture strategy for distributed storage platforms, including S3-compatible object storage, POSIX/NFS file systems, and KV cache–based data services.
  • Establish security architecture standards and secure-by-design principles across data path, control plane, orchestration, and protocol layers.
  • Partner with Data Path engineering teams to secure high-performance data movement across storage tiers, including encryption, integrity verification, secure I/O handling, and low-latency protection mechanisms.
  • Drive security architecture reviews, threat modeling, and Secure Software Development Lifecycle (SSDLC) practices across platform engineering initiatives.
  • Architect enterprise-grade Identity and Access Management (IAM) frameworks integrating LDAP, Active Directory, OIDC, Keycloak, SSO, MFA, federation, and delegated authorization models.
  • Design and govern fine-grained authorization systems leveraging RBAC, ABAC, metadata-aware policy enforcement, and tenant-scoped access controls.
  • Define scalable multi-tenant isolation architectures across namespaces, encryption boundaries, policies, quotas, and workload segregation domains while enforcing least privilege principles.
  • Collaborate with Control Plane engineering teams to design secure APIs, authentication workflows, policy orchestration, tenant lifecycle management, and platform governance controls.
  • Partner with Protocol and Ecosystem teams to secure S3, POSIX/NFS, and related interfaces, including request signing, session security, endpoint hardening, and protocol-level protections.
  • Lead platform-wide encryption and key management strategies for data at rest and in transit, including BYOK, tenant-scoped keys, dataset-level encryption policies, KMIP integration, and external KMS interoperability.
  • Define observability, telemetry, logging, auditing, and anomaly detection strategies to identify abnormal behavior, insider threats, and potential data exfiltration risks.
  • Drive adoption of Zero Trust security principles across distributed systems and infrastructure components.
  • Provide technical leadership, mentorship, and architectural guidance across cross-functional engineering teams, influencing secure implementation practices and platform evolution.
  • Represent security architecture initiatives in executive, customer, compliance, and strategic partner discussions as needed.

Required Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, Cybersecurity, or a related technical field.
  • 12+ years of experience in security architecture, distributed systems security, infrastructure security, or large-scale platform engineering.
  • Proven track record designing and securing large-scale distributed systems, storage platforms, or cloud-native infrastructure.
  • Deep understanding of distributed system architectures, including data path and control plane security models.
  • Extensive expertise in cryptography, encryption frameworks, secure key management systems, and PKI architectures.
  • Strong experience integrating external KMS platforms using KMIP or equivalent protocols.
  • Advanced knowledge of IAM frameworks, including RBAC, ABAC, SSO, MFA, federation, delegated authorization, and policy-driven access control systems.
  • Experience integrating enterprise identity providers such as LDAP, Active Directory, OIDC, and SAML-based systems.
  • Expertise in secure API design, TLS 1.3, mutual TLS, request signing mechanisms (e.g., SigV4), and service-to-service authentication models.
  • Experience designing secure multi-tenant platforms with strong isolation, governance, and policy enforcement mechanisms.
  • Strong understanding of security observability, logging, auditability, SIEM integration, and compliance-driven monitoring architectures.
  • Demonstrated ability to influence technical direction and drive cross-functional architectural initiatives across engineering organizations.

Preferred Qualifications

  • Experience securing S3-compatible object storage, POSIX/NFS file systems, or high-performance distributed storage environments.
  • Familiarity with AI/ML infrastructure security, KV cache architectures, memory tiering systems, and GPU-centric distributed environments.
  • Experience integrating and managing security solutions across large-scale infrastructure platforms, including cloud, network, and application security domains.
  • Hands-on experience with BYOK architectures, tenant-scoped key management, and cryptographic isolation models.
  • Experience implementing ABAC using metadata classification, tagging, and contextual policy evaluation.
  • Strong background in Zero Trust architecture and distributed systems security engineering.
  • Knowledge of secure deletion techniques, including cryptographic erasure and secure lifecycle management.
  • Familiarity with compliance frameworks such as SOC 2, ISO 27001, NIST, FedRAMP, and enterprise security governance standards.
  • Experience designing security controls for high-throughput, low-latency distributed systems.
  • Familiarity with anomaly detection, behavioral analytics, and advanced security telemetry platforms.
  • Experience with Linux systems, scripting, automation, DevSecOps workflows, and infrastructure security tooling.

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