Top Security Engineer Jobs

Designs, implements, and operates enterprise network security solutions across hybrid cloud and on-premises environments. Responsibilities include firewall engineering, VPN and Zero Trust technologies, security monitoring, troubleshooting, remediation, automation, documentation, compliance, and architecture support. The role evaluates emerging technologies, leads complex security initiatives, collaborates across infrastructure and security teams, and mentors junior engineers.

Leads product security and resiliency across the Tomahawk missile program lifecycle. Develops security requirements and architectures, protects systems and facilities, defines supplier security requirements, coordinates with government and industry stakeholders, researches innovative solutions, advises customers, investigates security issues, and supports compliance, certification, audits, and regulatory requirements.

Leads spacecraft and avionics cybersecurity architecture, cryptographic subsystem integration, secure boot, key storage, red/black isolation, threat assessment, and security verification. Designs constellation and vehicle networks across RF and optical links, manages requirements and supplier coordination, supports DoD RMF compliance, and briefs customers and government stakeholders on product-level security.

Designs, deploys, automates, and maintains cryptographic products and services, including HSMs and security appliances across physical, virtual, and containerized environments. Develops monitoring and synthetic transaction capabilities, supports audits and incident response, investigates technical issues, and creates engineering documentation. The role also evaluates new security technologies, drives remediation and product enhancements, and collaborates within Agile Scrum and Kanban teams.

Lead the design, implementation, and support of CyberArk privileged access management solutions. Manage privileged and non-human identities, automate onboarding and credential processes, integrate CyberArk with enterprise platforms, troubleshoot production issues, and support upgrades, high availability, disaster recovery, and performance. Partner with security and infrastructure teams, evaluate PAM technologies, and provide technical leadership, documentation, and mentoring.

Lead the design, implementation, and support of CyberArk privileged access management solutions. Manage privileged accounts, credentials, SSH keys, and non-human identities across enterprise platforms. Build integrations with identity, ITSM, cloud, and infrastructure systems; automate onboarding and compliance processes; troubleshoot production issues; and support upgrades, high availability, disaster recovery, and performance management. Provide technical leadership, documentation, mentoring, and security architecture guidance.

Design, deploy, automate, and maintain cryptographic products and services, including HSMs, security appliances, encryption, tokenization, and key management systems. Develop monitoring and synthetic transaction capabilities, support audits and incident response, investigate root causes, document engineering processes, and implement remediation. Collaborate across teams using Agile and Kanban practices while supporting physical, virtual, and containerized environments.

Designs, implements, and supports CyberArk privileged access management solutions. Manages privileged and non-human identities, credential rotation, session controls, integrations, automation, troubleshooting, upgrades, high availability, disaster recovery, and performance optimization. Partners with enterprise technology and security teams to implement compliant PAM solutions, evaluates new capabilities, and provides technical leadership, documentation, and mentoring.

Designs, deploys, automates, and maintains cryptographic products and services, including HSMs, security appliances, encryption, tokenization, and key management systems. Develops monitoring and synthetic transactions, supports audits and incident response, investigates technical issues, and creates engineering documentation. The role also evaluates new products, implements upgrades, collaborates across teams, and follows Agile Scrum or Kanban practices.

As a Security Architect, you will build secure agent runtimes and systems, ensuring robust security capabilities in agentic AI solutions while conducting security evaluations.

Engineer and support enterprise infrastructure security platforms, including endpoint, WAF, DNS, email, and Layer 7 firewall services. Design secure solutions, automate security policy administration, improve rule-set management, provide on-call support, collaborate across teams, and develop analytics, metrics, and reports on enterprise security posture. The role also troubleshoots network and endpoint security technologies and mentors junior staff during incident response.

Design and build agentic security tooling, orchestration workflows, evaluation harnesses, and open-source reference implementations on Cloudflare’s developer platform. Build isolated interactive labs, operate workshop infrastructure, lead customer and partner workshops, and communicate security architecture through technical writing and conference presentations. The role requires production software engineering, LLM-based systems, application and infrastructure security, and experience with developer education or hands-on learning environments.

Operates and improves AI security tooling, including red teaming, guardrails, model evaluation, and AI security posture management. Designs and operationalizes secure AI architectures, controls, monitoring, and incident response processes. Partners with engineering and data science teams to secure the AI lifecycle, supports governance and compliance aligned with NIST and ISO, develops playbooks and metrics, advises stakeholders, and researches emerging AI threats and defensive techniques.

Secure Outset’s AWS infrastructure, Terraform code, application architecture, and product code. Responsibilities include security reviews, penetration-test coordination, vulnerability remediation, incident investigation, SIEM detection engineering, alert response, telemetry improvement, security automation, cloud hardening, IAM, secrets management, and collaboration with engineering and SRE teams. The role leads technical platform investigations during security and privacy incidents and develops practical controls that protect systems without slowing product delivery.

Leads product strategy, discovery, roadmap, backlog, success metrics, and lifecycle management for Payment HSM infrastructure. Oversees payment key management, key ceremonies, dual-control procedures, governance, audit readiness, and workflow automation. Partners with Engineering, SRE, Cybersecurity, Risk, Compliance, and Audit teams to improve platform resiliency, operational readiness, reliability, and risk reduction.

Build and scale Fieldguide’s security function across secure software design, identity and secrets management, cloud and Kubernetes security, and agentic AI security. Partner with engineering and product teams to identify risks, develop secure frameworks, harden cloud controls, enforce AI-agent permissions and tenant isolation, and promote secure development through design reviews and coaching.

Lead product security assessments and penetration testing across MongoDB products and cloud environments. Conduct threat modeling, code analysis, architecture reviews, vulnerability verification, and attack research. Use AI and automation to improve assessment workflows, collaborate with engineering teams on remediation and secure coding, and advise on container security and secrets management. Coordinate with red and detection teams while mentoring others and communicating findings to technical and non-technical stakeholders.

Lead the design, development, testing, and deployment of blockchain security monitoring controls and secure software components. Build scalable API, microservices, and event-driven tooling; operate CI/CD pipelines with security guardrails; implement secure SDLC practices; integrate security telemetry; support incident triage and reliability; evaluate vendors and mentor engineering teams.

Develops product security and anti-tamper solutions for Boeing defense platforms. Responsibilities include requirements development, architecture support, documentation, test planning, verification, and integration of hardware and software protection solutions. The engineer collaborates with chief engineers, architects, customers, and team leads throughout the systems lifecycle, including final testing and fielding. The role is fully onsite in St. Louis and requires U.S. export-control eligibility and the ability to obtain a Secret security clearance.

Leads enterprise email security strategy, architecture, engineering, modernization, and lifecycle management. Oversees phishing protection, threat detection, encryption, DLP, cloud security, incident response, risk remediation, governance, metrics, vendor relationships, and regulatory alignment. Partners with cross-functional stakeholders, presents to executives, leads engineering teams, and applies AI-enabled workflows to improve security analysis and operational effectiveness.

Leads multiple security engineering teams, sets strategy and roadmaps for security automation, detection, resilience, IAM, data protection, and cloud security. Partners with executives to embed secure design across technology lifecycles, oversees major security programs, translates risk into engineering priorities, mentors future leaders, and advises on emerging threats and enterprise architecture.

Owns enterprise AI security assessment, architecture, and control programs. The role evaluates AI systems, vendors, platforms, and shadow AI; designs secure architectures, guardrails, identity models, sandboxes, gateways, and runtime controls; and develops detection and response capabilities for prompt injection, jailbreaks, data leakage, and tool misuse. The engineer partners with governance, identity, platform, engineering, and security operations teams, advises senior leaders, drives remediation, and mentors security professionals.

Design, integrate, and verify anti-tamper/product security solutions for embedded computing assets across defense platforms. Develop requirements, test plans, documentation, and collaborate with platform engineers and customers to field hardware/software protections, including cryptography, secure communications, reverse engineering, and FPGA-based mitigations. Must support development through verification and fielding.

Leads product security engineering for satellite and ground systems, including cybersecurity architecture, RMF implementation, risk and vulnerability assessments, cryptographic keying, security requirements, certification, supplier security, and lifecycle resiliency. Coordinates with engineering teams, customers, government agencies, suppliers, and senior leadership while supporting classified environments and accreditation activities.

Lead enterprise security engineering across DLP, zero-trust networks, endpoint protection, SaaS posture management, email security, and network defense. Design secure architectures, baseline configurations, automation, threat signaling, and risk mitigation strategies. Administer security tools, conduct incident response and threat detection, analyze logs, and support digital forensics. Partner with IT, infrastructure, risk, compliance, and engineering teams while mentoring staff and establishing cybersecurity best practices.