Top Senior Cyber Security Jobs in Dallas, TX

The Security Engineer will manage Liftoff's SIEM, lead the adoption of AI-augmented SOC tools, triage alerts, and improve incident response processes while collaborating on various security functions.

This role involves owning the security architecture for AI platforms on GCP, designing guardrails, and integrating security into CI/CD pipelines. Candidates should have extensive experience in cloud security, specifically with GCP services, Kubernetes security, and AI/ML security practices.

Assess and harden software supply chain security by performing technical assessments, designing and implementing security controls and monitoring for build pipelines, investigating systems for vulnerabilities, creating tooling to address gaps, and leading cross-team projects to improve CrowdStrike's product security posture.

Lead and mentor a small IT security engineering team to deploy and operate enterprise-grade Zero Trust security across networks, endpoints, applications, and cloud. Drive Customer Zero initiatives, manage cross-functional security projects, optimize policies (SSL decryption, segmentation, access control), and serve as an internal subject-matter expert.

Lead assessment and mitigation of security risks in the virtualization stack. Build threat models, rubrics, and defenses; partner with kernel, virtualization, and provisioning teams to design and implement mitigations; mentor engineers, manage vulnerability backlog, and promote security best practices across product teams.

Design, implement, and maintain scalable cloud security controls for Vercel's platform. Harden infrastructure using infrastructure-as-code and policy enforcement, secure CI/CD pipelines, perform threat modeling and risk analysis, improve monitoring and incident response, and build platform-level security tooling in collaboration with platform and infrastructure teams.

Design, maintain, and extend abuse detection and prevention systems for GitLab's SaaS platform. Serve as a core maintainer of a Ruby on Rails monolith, build anomaly detection and agentic AI mitigations, automate abuse response, collaborate with peer engineering and security teams, and produce runbooks and operational documentation.

Lead Zapiers security strategy for an AI-native SaaS platform. Own App and Infrastructure Security, Detection & Response, GRC, risk management, incident response, bug bounty triage, and enterprise security enablement. Partner with Product, Engineering, Legal, and GTM to embed secure-by-default design, shape AI-specific controls, support enterprise deals, and build a high-performing security engineering organization.

Own and define IAM strategy for corporate and production environments. Migrate Okta to Terraform, design least-privilege access, automate provisioning/deprovisioning and access reviews, build/manage MDM/MAM tooling, partner with platform and engineering teams, and serve as the IAM subject matter expert across Security, IT, and Engineering.

Lead MSSP-focused sales to recruit, enable, and grow managed security provider partners. Drive joint services, partner-led customer adoption, revenue attainment, forecasting, and cross-team issue resolution while meeting quotas and pipeline targets.

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

Act as the technical presales lead for AI agent and cloud identity security across North America: scope engagements, design and run POCs and architectures across AWS/Azure/GCP, secure non-human and machine identities, create repeatable technical assets, and partner with account teams to close deals.

Lead and grow a product research team focused on defensive cybersecurity research. Own technical and managerial leadership, collaborate with Product, SOC, and Engineering, scale automated threat-detection workflows using AI, and mentor researchers to deliver prioritized platform capabilities.

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.

Design and implement multitenant workload and network isolation for bare-metal and virtualized GPU infrastructure. Harden Linux kernel and container runtimes, perform threat modeling and penetration testing, write low-level security code (C/Go/Rust), mitigate GPU and PCIe security risks, and lead incident response and forensic work for ephemeral container environments.

Secure customer-facing products, APIs, and internal services through threat modeling, architecture and code reviews. Remediate vulnerabilities by coding fixes in Python/Go/JS/TS. Build and manage SAST/DAST/SCA security pipelines in CI/CD. Configure WAFs, API gateways, and bot protection. Provide secure coding guidance, run bug bounty triage, and support compliance (SOC 2, ISO 27001, GDPR).

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.

Lead cloud security engineering initiatives including secure cloud service rollouts, automation pipelines, privileged access management, CI/CD and IaC security, vulnerability and penetration testing, and cross-functional stakeholder coordination to improve cloud and hybrid infrastructure security posture.

Lead revenue growth by combining hands-on B2B sales with revenue operations and marketing alignment. Own CRM governance, forecasting, pipeline management, and KPI reporting while coaching sales teams, executing consultative sales, generating pipeline, closing strategic deals, and collaborating cross-functionally to scale predictable revenue.

Lead product marketing for the North America region: drive product launches, craft positioning and content, build competitive intelligence, enable sales with demos and materials, coordinate analyst and event messaging, and create demand-generating thought leadership.

Design and implement AI-powered security agents and tooling across CI/CD, perform threat modeling and manual assessments, find and drive remediation of vulnerabilities, embed security into development workflows, connect telemetry to detection systems, and shape product security strategy and incident response.

Design, build, and maintain scalable automation frameworks for privileged access management. Develop API, integration, and end-to-end tests for authentication, credential rotation, provisioning, and session workflows. Integrate tests into CI/CD, manage containerized test environments, investigate failures, and collaborate with engineering, QA, security, and product teams to embed testability and automation best practices.

Own and execute hyperscaler marketplace GTM (AWS, Azure, GCP) and scale a tiered VAR partner program. Drive sell-with and sell-through motions, accelerate partner-led revenue, align joint GTM with Sales and Marketing, enable VARs with Solution Architecture, and design partnership financial models and incentives.

Lead design and implementation of Saviynt IGA solutions, perform assessments and roadmaps, draft proposals and SOWs, produce deliverables, mentor junior engineers, and lead technical architecture and security discussions with stakeholders.

Act as the technical lead for strategic customers, driving adoption, deployments, architecture reviews, and executive engagements. Remove technical blockers, align cloud security strategy, partner with CSM and Sales on expansions, and provide product feedback to influence roadmap.