Top Senior Cyber Security Jobs in Houston, TX

Supports enterprise cybersecurity and GRC programs through third-party risk assessments, security testing coordination, corrective action tracking, policy development, compliance support, incident response planning, disaster recovery exercises, and enforcement of technical and administrative controls. Partners with engineering, operations, managed security providers, and internal stakeholders to strengthen security posture across cloud and hybrid environments.

Perform offensive security research and engineering for Windows: discover vulnerabilities, develop PoC mitigations and tools (fuzzers/agents), conduct code and design reviews, partner with product teams, and engage external researchers to improve OS security.

Lead territory sales for Honeywell Cyber OT security, develop and execute strategic plans to hit a $9–12M quota, pursue new business in Energy/Power/Life Sciences/Mining, customize OT security solutions with internal teams, run demos and training, manage forecasts and reports, and represent the company at industry events while maintaining client relationships.

Leads enterprise security architecture strategy, standards, reference architectures, and requirements across cloud adoption and technology modernization. Assesses security controls, recommends remediation, evaluates emerging security technologies, and advises on designs and configurations. Partners with business and technical leaders, communicates risks, mentors architects, and drives enterprise security initiatives. Requires extensive cybersecurity and architecture experience, cloud expertise, security certifications, and willingness to travel.

Build and scale backend security platform services, including authentication, authorization, identity infrastructure, permission systems, and data models. Lead cross-team technical initiatives, standardize security solutions, collaborate with compliance and mission stakeholders, and influence architecture and engineering standards. The role requires strong system design, backend development, security expertise, technical leadership, and the ability to operate in sensitive environments.

Leads secure enterprise architecture design and GitLab Professional Services implementations across application security, cloud security, DevSecOps, identity, vulnerability management, and compliance. Guides SaaS, Self-Managed, and Dedicated deployment decisions; leads CI/CD, source control, and security-tool migrations; conducts risk assessments and threat modeling; supports pre-sales scoping and statements of work; coordinates cross-functional delivery; mentors consultants; and develops security enablement materials.

Secures AWS cloud infrastructure through vulnerability management, IAM audits, security monitoring, incident response, threat modeling, compliance assessments, and automated remediation. Manages AWS security controls, Terraform infrastructure, CloudWatch alerting, CI/CD security practices, documentation, audits, and risk assessments while supporting 24/7 production systems and maintaining NIST, FISMA, and FedRAMP compliance.

Lead Pomelo Care’s enterprise security governance, risk, and compliance program. Own SOC 2 Type II and HITRUST certification lifecycles, security policies, access governance, HIPAA risk assessments, awareness training, control monitoring, incident response, and third-party risk assessments. Partner with engineering leadership to align technical roadmaps with security strategy, represent the company during audits and partner due diligence, and report security posture and program maturity to executives.

Lead complex security investigations across endpoint, identity, cloud, email, SaaS, and network environments. Own incidents through containment, remediation coordination, documentation, and post-incident review. Tune detections, queries, dashboards, workflows, and SOAR playbooks; improve SOC metrics, threat coverage, alert fidelity, and response processes. Partner on vulnerability and cloud-risk remediation, participate in global on-call rotation, use approved AI capabilities responsibly, and mentor analysts.

Provides technical leadership for enterprise AI security, designing secure AI platform architectures, vetting frameworks, identity and posture management for AI agents, and preventative security guardrails. The role requires building scalable security systems with Python, Go, or Java, managing infrastructure as code, addressing cloud and container security, mentoring engineers, and advising leadership on AI security risks.

The Senior Security Engineer architects, implements, and supports enterprise security capabilities across vulnerability management, cloud security, identity, endpoint, application security, and security architecture. The role leads security initiatives, resolves complex platform issues, develops automation and AI-assisted workflows, establishes documentation and reporting standards, and mentors security engineers and analysts while partnering across infrastructure, application, network, cloud, and security teams.

Leads the company’s information security operations and reports to the CISO. Oversees SIEM, threat detection, vulnerability management, penetration testing, incident response, SOC 2 Type II compliance, third-party risk, security awareness, cloud and endpoint security, and regulatory cybersecurity coordination. Manages security policies, breach readiness, tabletop exercises, KPIs, audits, and emerging technology evaluations while partnering with IT, infrastructure, compliance, regulators, and executive leadership.

Designs, deploys, troubleshoots, and supports enterprise network and security infrastructure, including routing, switching, firewalls, wireless, cloud networking, VPNs, and data center services. The role analyzes operational incidents, implements remediation, maintains documentation, communicates with management, supports roadmap decisions, and participates in on-call rotations. It requires extensive experience with multi-vendor network security technologies, cloud platforms, and customer-facing technical work.

Lead architecture and hands-on development of Microsoft's AI Safety Platform, building observability, detection, investigation, threat-hunting, and distributed data-processing capabilities. Design attack detection infrastructure, correlate high-volume telemetry, apply AI security research, conduct security and privacy reviews, and partner across engineering, science, and incident response teams. Mentor engineers and provide technical leadership for complex AI security systems.

Lead Booz Allen’s Product Security practice, defining standards and solutions while supporting sales and client delivery. Direct product security assessments, testing, hardening, vulnerability management, secure software development, and cybersecurity strategy across the product lifecycle. Lead and develop Product Security Engineers and Architects, advise engineering teams, establish security KPIs and KRIs, present findings, and implement tools and processes for secure-by-design products, including software, embedded systems, and hardware.

Designs and integrates secure information systems, cloud, and defense architectures; leads federal NIST RMF and ATO processes; implements security controls; performs vulnerability, threat, and risk assessments; advises engineering and program teams; and manages continuous monitoring, compliance, audit, and patch-management activities.

Lead the creation and growth of a new OT/IoT cybersecurity practice, owning its P&L, offerings, pricing, partnerships, hiring, delivery quality, and go-to-market strategy. Serve as a senior technical SME and trusted advisor for client assessments, regulatory compliance, executive workshops, roadmaps, and security engagements. Shape and close consulting opportunities, develop methodologies and deliverables, manage teams, and advise organizations on ICS/SCADA, segmentation, monitoring, IT/OT convergence, and AI-related risks.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Leads regulatory and security compliance for evaluating agentic AI vendors within a CMS Fraud Prevention Services authorization boundary. Assesses vendor security postures, authors control inheritance, boundary, data-flow, SSP, POA&M, PIA/SORN, and compliance artifacts, and coordinates with CMS security stakeholders. Advises on AI-specific risks involving data retention, prompt logging, PHI, tool authorization, and RBAC. Requires extensive federal compliance experience, AWS security knowledge, HIPAA/FISMA expertise, and the ability to obtain Public Trust clearance.

Own product and infrastructure security across fintech products and cloud environments. Lead threat modeling, architecture reviews, secure code reviews, vulnerability management, bug bounty operations, CI/CD security scanning, IAM and secrets management, and security standards. Partner directly with engineering leadership to identify and remediate critical vulnerabilities across backend services, APIs, frontends, Solana programs, and infrastructure.

Leads ISSO and risk and compliance teams overseeing FedRAMP, NIST RMF, FISMA, HIPAA, and accreditation activities. Conducts security control and vulnerability assessments, develops ATO and compliance documentation, manages continuous monitoring and remediation, advises authorization officials, and coordinates audits, penetration testing, and assessments. Provides technical leadership, trains security personnel, maintains risk registers and policies, and supports federal healthcare cybersecurity programs.

Own day-to-day IT and information security operations for a fully remote Mac fleet. Responsibilities include endpoint lifecycle management, identity and access administration, Google Workspace, helpdesk support, asset coordination, CrowdStrike EDR monitoring, DLP controls, Datadog SIEM alerting, security hygiene, access reviews, and SOC 2 and PCI evidence collection. The role requires autonomous ownership, automation, clear documentation, cross-functional collaboration, and approximately 4–6 years of experience beyond ticket-only support.

Designs and implements cloud security solutions for Microsoft Azure and Microsoft 365 customers. Leads security architecture discussions, Zero Trust adoption, technical evaluations, implementation planning, troubleshooting, and enterprise security strategy. Advises executives and technical stakeholders on identity and access management, threat protection, cloud security, information protection, and secure-by-design architectures. Collaborates with Microsoft engineering, product, and security teams to remove blockers and orchestrates technical resources to deliver customer outcomes.

Assess cloud, network, infrastructure, and application designs against security and compliance requirements. Translate requirements into technical specifications, security blueprints, and engineering guardrails. Support compliance programs, control assessments, and audits, investigate security risks, define remediation, and improve security-control adoption through AI and automation.

Owns end-to-end security engineering, including risk identification, secure-by-default libraries, least-privilege guardrails, developer machine hardening, supply-chain security, and identity and authentication protections. Partners with compliance to implement effective controls for healthcare requirements such as HIPAA and HITRUST. The role requires production software engineering and security expertise, with broad autonomy in a fully remote environment.