Top Senior Cyber Security Jobs in Houston, TX

Design and scale secure AWS environments, build and maintain Terraform IaC and pipelines, lead security assessments and incident response, integrate security into CI/CD, define IAM/encryption/network controls, monitor and investigate cloud threats, and coach teams on cloud security best practices.

Lead security architecture and design reviews, run penetration tests and threat modeling, build CI/CD security automation, secure AWS cloud and containerized workloads, develop security observability and incident response, manage bug bounty and vulnerability workflows, and create security standards, training, and roadmap.

Design, build, and maintain secure systems and architectures; develop security standards; perform risk assessments, vulnerability analyses, and incident response; implement identity and access management and encryption; ensure compliance; collaborate with infrastructure, application, and security teams; research and advocate security technologies and controls.

Lead and own the end-to-end cybersecurity program: achieve and maintain DoD ATO (RMF), embed security automation into CI/CD, run vulnerability scanning and remediation, harden microservices and containers, produce eMASS artifacts, and report risk and progress to leadership.

Lead and expand the Application Security program: define roadmap, embed security into SDLC, perform architecture and code reviews, manage vulnerability lifecycle and incident response, lead penetration testing strategy, deliver executive metrics, and mentor a small hands-on AppSec team.

Lead research and analysis on cloud-native security, create thought leadership, advise clients and vendors, present at events, support sales and peer review, mentor junior analysts, and improve research processes. Provide actionable guidance on cloud security architectures, vendor selection, and the intersection of cloud security with GenAI. Travel up to 25%.

Lead research and produce high‑impact network security insights. Advise clients on evaluation, selection and deployment of network security technologies, present at events, support sales, mentor analysts, and drive research agenda and process improvements.

Senior individual contributor who researches and delivers thought leadership on application security for enterprise applications (ERP/CRM). Produces insights, advises CIOs, supports sales and events, mentors junior analysts, and builds security strategies, roadmaps, metrics, and vulnerability testing programs for major vendors and third-party tools.

Lead security advisory engagements focused on cybersecurity and data governance. Conduct program assessments, design and operationalize data governance programs, produce client deliverables, mentor consultants, support sales with scoping and proposals, and contribute to practice development, thought leadership, and forecasting to drive advisory services revenue.

Design, implement, and automate cloud security controls (primarily AWS, with GCP work) using code (Python, Go) and IaC (Terraform). Build authorization and JIT access systems, harden containers and CI/CD pipelines, integrate data classification with access controls, automate security operations and incident response, and partner with engineering to embed HIPAA-compliant, secure-by-design practices.

Lead Datadog-first security observability and detection engineering: design, scale and tune Datadog Cloud SIEM, log pipelines, detection rules and telemetry. Correlate signals across EDR, cloud and identity, automate detection-as-code, reduce false positives, and build dashboards, monitors and workflows in partnership with Security Ops, SRE and Engineering.

Lead and improve ZODL security posture, manage incident response, coordinate external audits, advise staff on operational and personal security, prioritize mitigations, recruit security talent, and collaborate with engineering and research to secure Zcash software and protocols.

Perform advanced offensive security work: conduct complex penetration tests, teach and integrate offensive tradecraft into the AI platform, harden product and company defenses, and collaborate with core engineers to build and ship capabilities that automate red-team techniques.

Own product security across the SDLC: threat modeling, secure design reviews, application security testing (code review, SAST/DAST), supply-chain/dependency hardening, CI/CD security, and building automated security tooling and guardrails while partnering with engineering and product.

Lead cloud and cybersecurity engineering engagements: design and implement multi-cloud security architectures, detect and respond to threats, manage identity and access, enforce compliance baselines (SOC 2, ISO 27001, PCI, HIPAA), secure cloud infrastructure and DevSecOps pipelines, mentor staff, and develop AI-accelerated internal tooling and automation.

Lead cybersecurity advisory engagements including building GRC programs, conducting compliance readiness and ITGC assessments, executing remediation roadmaps, directing incident response exercises, performing IT risk assessments, managing GRC platforms, and delivering client-facing recommendations and project management.

Lead design, implementation, and maintenance of enterprise PKI systems. Support certificate lifecycle management (CLM), configure CAs and templates, manage HSMs and RAs, automate processes with Ansible, Terraform, and PowerShell, enforce key-management policies, and troubleshoot certificate/TLS issues to maintain secure operations.

Own integration, configuration, and output quality of security tooling; tune findings to reduce noise; design severity scoring, triage flows, and enrichment; build a security judgment layer; partner with engineering, product, and design; engage with customers; benchmark and contribute to open-source security tooling.

Lead threat modeling, secure design reviews, penetration testing and deep code review for Unity products. Build and operate security automation and AI-assisted tooling, secure AI/LLM integrations and agentic systems, drive remediation with engineering teams, investigate AppSec incidents, and contribute to the secure development lifecycle and compliance.

Lead multiple product security engineering teams to design, implement, and operate security controls across Allstate's technology ecosystem. Architect secure digital products, drive DevSecOps, CI/CD, cloud-native and application security best practices, integrate IAM/SIEM/vulnerability management, influence stakeholders, manage security product roadmaps, mentor engineers, and own production security KPIs and compliance.

Manage and grow a security engineering team responsible for product and platform security, embedding security into the SDLC, running red team/adversarial testing, performing hands-on web application pentesting, threat modeling, secure-coding guidance, and defining AI security guardrails.

Lead design, implementation, and management of security infrastructure across on-prem, cloud, and hybrid environments. Drive incident response, threat detection tuning, vulnerability assessments, risk and compliance (HIPAA, PCI-DSS, NIST, ISO 27001), security policy development, and security training. Collaborate with IT, DevOps, legal, and procurement to integrate security into SDLC and vendor selection.

Build and operate an internal Red Team to continuously find vulnerabilities across protocol, consensus, bridges, and execution clients. Develop Rust-based fuzzers and custom security tooling, simulate economic attacks on testnet, analyze game-theoretic risks (MEV, staking), and partner with engineering teams to review critical architecture and mitigate exploits.

Lead strategy, execution, and operational excellence for multiple security engineering domains. Build and develop leaders, deliver multi-year roadmaps, drive platform evolution, automation, vendor strategy, and cross-functional programs to reduce risk and scale secure operations.

Design, implement, and monitor internal security tooling and controls across endpoints and infrastructure. Enforce endpoint configurations via MDM, manage identity and zero-trust SSO solutions, automate security operations with IaC and scripting, perform log analysis and incident response, and collaborate with client platform and IT teams to harden systems and support threat hunting.