Top Senior Security Engineer Jobs

Drive end-to-end vehicle security initiatives across software and hardware, including development, integration, testing, threat modeling, security feature implementation, and platform tooling. Guide product teams on secure design, build security automation, and resolve cross-functional security tradeoffs. The role spans low-level firmware, embedded systems, cloud services, and full-stack security solutions for connected vehicles.

Applies security best practices to optimize and protect systems, analyzes and resolves security challenges, partners with internal teams on security initiatives, and collaborates with engineers to improve security processes. The role independently addresses security needs, contributes to cross-functional projects, influences team effectiveness, and aligns security solutions with business objectives.

Build Ent’s endpoint data-protection layer for classifying sensitive data, tracing provenance, and enforcing egress policies across devices, applications, networks, removable media, browsers, and AI tools. Develop cross-platform interception and content inspection capabilities, integrate on-device language models, optimize performance, produce forensic evidence, investigate compatibility issues, and improve detection precision for enterprise customers.

Design, implement, and improve security controls for operational technology (OT) networks in datacenter environments. Identify and remediate risks, create inventories and risk registers, coordinate penetration testing and vulnerability mitigation, embed security into OT systems, develop recovery and response playbooks, and present technical findings to stakeholders while partnering with engineering and third parties to reduce risk.

Design, build, and maintain security products and infrastructure: real-time detection engines (Flink/Kafka), high-performance APIs (Go/Node.js), streaming analytics, Kubernetes at hyperscale, and petabyte-scale data pipelines. Lead technical designs, collaborate with security teams, and mentor junior engineers.

Design and build real-time security detection engines and streaming analytics using Apache Flink and Kafka. Develop high-performance security APIs and microservices in Go and Node.js, architect Kubernetes-based security solutions, and build petabyte-scale data pipelines. Lead technical design, collaborate with security teams, and mentor junior engineers.

Lead architecture and scaling of an automated, AI-driven vulnerability detection and remediation platform across cloud, containers, and applications. Correlate SAST/DAST/SCA findings, implement AI-assisted triage, run red/purple team validation, and build automated remediation pipelines integrated into CI/CD for continuous compliance and risk reduction.

Senior Cloud Security Engineer responsible for hands-on remediation of cloud and infrastructure vulnerabilities, operating vulnerability and CSPM tooling, enforcing secure configurations across Azure environments, embedding security in CI/CD and IaC, supporting compliance/audits and reporting, mentoring engineers, and partnering with cross-functional teams to maintain cloud security posture and policy.

Lead design, deployment, automation, operation, and improvement of global SASE/SSE services. Migrate legacy proxy/VPN to cloud-delivered SWG, ZTNA, CASB, DLP, and threat protection. Provide technical leadership across network, security, identity, cloud, endpoint, and application teams. Design, configure, troubleshoot, monitor, automate, and document network and security solutions to ensure reliable, scalable, and policy-driven access.

Lead and execute Grow Therapy's multi-year Security Engineering roadmap. Build secure-by-default infrastructure (auth, authZ, logging, egress), drive data security and systematic data tagging, develop org-wide security scorecards, enable automated least-privilege and vulnerability management, and influence AI-native security and security culture across product, platform, and compliance teams.

Leads cryptographic engineering for space and ground satellite communications systems supporting the U.S. Space Force. Responsibilities include crypto unit trade studies, technical design, hardware and firmware integration, testing and verification, secure key management, requirements traceability, lifecycle management, and compliance with cybersecurity standards. The role interfaces with government and industry partners, contributes to design reviews, mentors engineers, and requires an active TS/SCI clearance with extensive systems engineering and cryptography experience.

Lead development and architectural evolution of an AI-powered code security scanning platform. Build React interfaces, Python orchestration services, Azure AI and cloud integrations, CI/CD automation, vulnerability analysis workflows, and secure authentication systems. Improve scalability, reliability, observability, reporting, and AI-powered detection capabilities while supporting enterprise applications in regulated environments. The role combines full-stack engineering, DevOps, cloud architecture, AI/LLM integration, and application security ownership.

Own and evolve the application security program: embed secure SDLC practices, partner with engineering on design and code reviews, manage AppSec tooling (SAST/DAST/ASM/WAF/mobile), harden AWS deployments, integrate security into CI/CD, and lead vulnerability investigation and remediation efforts.

Designs and evolves enterprise information security architecture, standards, and roadmaps while engineering and operating security platforms such as SIEM, SOAR, EDR, vulnerability management, Entra ID, and DLP. Advises enterprise and solution architects on secure cloud, application, data, and infrastructure designs; integrates security tools; supports automation, detection, incident response, governance, audits, and continuous improvement.

Oversee the security of firm applications, networks, systems, hardware, and mobile devices throughout their lifecycles. Develop security requirements and architecture, manage controls and configurations, perform certification and accreditation, maintain asset inventories, and ensure secure development and acquisition practices. Collaborate across departments and mentor team members while serving as a primary technical security contact. The role requires independent judgment, strong analytical ability, knowledge of security frameworks and technologies, and at least seven years of related experience.

Secure and optimize enterprise network infrastructure through firewall lifecycle management, GlobalProtect VPN support, vulnerability remediation, incident response, monitoring, troubleshooting, and automation. Develop Ansible and Python workflows for threat defense, data collection, investigation, threat hunting, and user access management. The role also designs, configures, maintains, and monitors cybersecurity capabilities and supports onsite testing and deployments.

Design and build AI-powered cybersecurity platforms that ingest and normalize massive security telemetry, correlate events, predict threats, and generate explainable findings. Develop Python backend services, distributed storage systems, and AIDevOps pipelines for rapid experimentation. Integrate foundation models, agentic systems, RAG, embeddings, and graph-based models into analyst workflows. Collaborate with product teams, security experts, and engineers to deliver scalable, trusted threat detection and automation capabilities.

As a Senior Security Software Engineer, you'll design and deliver secure integration services, mentor developers, and enhance cybersecurity through automated, AI-driven workflows.

Own the organization’s application security posture, partnering with engineering and IT on secure coding, vulnerability management, penetration testing, security architecture, and remediation. Support audits, risk assessments, SOC 2 compliance, incident and breach investigations, bug bounty programs, and employee security training. The role is fully remote but requires a final in-person interview with company-paid travel.

Secure Temporal’s development pipeline, product, and customer execution environments. Partner with engineering teams on secure architecture, threat modeling, risk assessments, code and software supply-chain security, vulnerability triage, Kubernetes hardening, multi-tenant isolation, and responsible AI security. Participate in on-call rotations and help establish actionable security policies and practices across the organization.

Secures and manages enterprise Microsoft cloud environments across Azure, Office 365, and Microsoft 365. Leads Conditional Access, Defender, Purview, DLP, eDiscovery, vulnerability remediation, penetration testing, and red/blue team activities. Develops KQL queries for Sentinel and Defender detection and investigation. Advises architects, identity teams, incident responders, and cross-functional stakeholders on Zero Trust, compliance, governance, and cloud security controls.

Set technical strategy and architecture across security engineering domains, build AI security foundations, and lead cross-cutting initiatives from concept through production. The role requires hands-on development and operation of production security systems, deep IAM or cryptography expertise, broad security engineering knowledge, cross-organizational influence, ambiguity management, collaboration, and mentorship.

Design, implement, maintain, and support cybersecurity tools and platforms, including EDR, DLP, web proxy, messaging security, vulnerability management, and identity and access management. Develop security playbooks and troubleshooting documentation, assist with incident response, collaborate across teams, and improve the confidentiality, integrity, and availability of systems and data.

Designs, implements, maintains, and supports information security tools and platforms protecting systems, networks, and data. Performs security engineering, operations, vulnerability management, incident management, threat intelligence, threat hunting, and cyber threat analytics. Manages EDR, DLP, web proxy, messaging, vulnerability management, and identity-access tools; develops playbooks and troubleshooting documentation; and assists with incident response while collaborating cross-functionally to improve security posture.

Leads the design and implementation of secure IT infrastructure, advanced security monitoring, threat analysis, incident response, digital forensics, risk assessments, and security controls. Maintains Windows environments, Active Directory forests, domain controllers, certificate services, hypervisors, and hardened Group Policy configurations. Evaluates security technologies, documents breaches, mentors junior engineers, and participates in on-call incident response.