Top Security Engineer Jobs in Seattle, WA

Build and own detection tooling and logging/alerting systems, create and tune analytics for threat detection, investigate and triage incidents (on-call), drive incident response across teams, and help define and execute detection and response strategy with a detection-as-code mindset.

Lead architecture and implementation of network security across edge, backbone, and datacenter environments. Provide technical leadership, conduct threat modeling and network security assessments, build security automation and IaC, integrate controls into SDN/BGP/MPLS systems, participate in incident response, and drive security reviews and best practices across teams.

Lead detection and response efforts: build detections, manage SIEM and orchestration tooling, deploy AI in SOC workflows, investigate incidents across AWS/EKS environments, support threat modeling and vulnerability scanning, and take on-call shifts.

The role involves ensuring product security and resiliency through all phases of the development lifecycle, leading teams, and coordinating with various stakeholders on security standards and requirements.

The Security Engineer designs and implements security controls, conducts assessments, builds automation, investigates incidents, and mentors peers to enhance security posture.

As a Security Engineer at Remitly, you'll enhance security controls across infrastructure and SaaS, automate tooling, manage MDM policies, and participate in security assessments and operational improvements.

Drive software security across the SDLC for Boeing Commercial Airplanes: assess threats, define and verify security requirements, perform CVE analysis, secure cloud development environments, deploy DevSecOps and CI/CD practices, support incident response, and document security engineering deliverables to ensure regulatory compliance and resiliency.

As a Staff Security Engineer, you will design and manage CoreWeave's cryptographic infrastructure, including PKI, secrets management, and HSMs, while collaborating with engineering teams to integrate these services.

Design, implement, and operate cloud security architecture across multi-account AWS, Kubernetes, and Terraform-managed infrastructure. Build detection, protection, and automated remediation workflows; define zero-trust access and identity solutions; harden Kubernetes and cloud workloads; shift security left in CI/CD; partner with infrastructure teams and mentor engineers to embed security guardrails.

As a Staff Security Engineer, you'll lead the technical strategy for Vulnerability Management, oversee automation initiatives, mentor engineers, and collaborate with teams to enhance security processes and responses.

Design, implement, and operate security controls for corporate devices, applications, and cloud infrastructure. Build detection, logging, and alerting; investigate and respond to incidents; develop threat models and automation in Python/Go; perform security reviews and partner on IAM/SSO and threat intelligence.

As a Staff Network Security Engineer, you'll enhance network security for CoreWeave's infrastructure, automate processes, and collaborate with teams to architect secure systems.

The role involves leading security initiatives, building security tools, conducting vulnerability assessments, and collaborating with teams to enhance cloud security and risk management.

The Data Security Engineer will develop and implement data protection strategies, ensuring compliance with regulations like GDPR and HIPAA while securing sensitive data and collaborating with various teams.

Perform hands-on application and system security assessments: discover and validate vulnerabilities, develop proof-of-concepts and custom tooling, conduct threat modeling and architecture reviews, and communicate clear remediation guidance to clients while contributing to security research.

The Security Engineer will enhance corporate security controls, develop policies, manage AI security, and assess risks while ensuring secure employee operations.

Perform penetration tests, identify vulnerabilities, collaborate with teams for remediation, develop methodologies, and engage in incident response as needed.

Conduct penetration testing and security assessments to improve security posture. Identify vulnerabilities, validate remediation efforts, and collaborate with teams.

The Staff Security Engineer will lead technical security initiatives, own architectural security decisions, mentor engineers, and align teams on security strategy while ensuring system integrity and compliance.

The Senior Product Security Engineer will manage security intelligence across platforms, identify vulnerabilities, improve developer tools, and assist incident response teams, focusing on security and fraud in application design.

As a Senior Offensive Security Engineer, you'll assess Huntress' defenses, execute red team engagements, conduct penetration tests, and enhance security protocols while collaborating with internal teams.

As a Sr. Product Security Engineer, you will focus on network security, identifying gaps, architecting solutions, and leading cross-functional security initiatives.

The Staff Product Security Engineer will enhance security in product development, conduct threat modeling, review code, automate processes, and advise on security requirements.

The Staff Security Engineer will lead technical security design, ensure data protection standards, mentor engineering teams, and improve security infrastructure.

Manage and improve vulnerability management, asset visibility, and cloud security across hybrid and multi-cloud environments. Operate tools (Wiz, Rapid7), maintain asset inventories, triage and track vulnerabilities, coordinate remediation with Engineering/SRE/IT, support incident investigations and on-call rotation, maintain compliance evidence and runbooks, and contribute to program improvements and reporting.