Top Senior Cyber Security Jobs in Houston, TX

Lead application security for products by performing threat modeling, manual secure code reviews, and penetration testing. Collaborate with engineers to remediate defects, build AppSec automation and tooling, secure cloud/containerized applications, and drive bug-bounty responses to harden platform security.

Perform deep security analysis of endpoint products and sensors: threat modeling, source-code review, exploit-style testing (including kernel components), reproduce/validate bug bounty findings, collaborate with developers to fix vulnerabilities, and build tooling/automation to improve security workflows.

Leads the cybersecurity operations program, overseeing monitoring, incident response, vulnerability management, threat intelligence, endpoint security, identity protection, and security controls. Manages security technologies, vendors, incident playbooks, compliance support, dashboards, and on-call processes while protecting regulated healthcare and financial information. Partners with IT, compliance, legal, privacy, risk, and executive teams, and leads and develops security operations personnel.

Partner with sales to design and present data security solutions for SLED customers. Lead technical evaluations, gather requirements, build test plans, configure proof-of-concepts, and guide customers to successful outcomes while collaborating across GTM teams.

Lead AI security strategy and guardrails, design and review AI gateways and tooling, scale InfoSec review processes, reduce AI-driven security noise, drive remediation and investigations, and mentor security and platform engineers.

Design, implement, and maintain security controls across cloud (AWS) and on-prem systems. Lead vulnerability management, incident response, and remediation. Serve as SME for SIEM, SAST/DAST, IAM. Embed security in SDLC, support SOC 2/ISO 27001 audit readiness, mentor junior engineers, and recommend control improvements.

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.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

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.

Provides senior-level information security engineering and advisory support across IT and business teams. Administers and monitors security controls, endpoint, identity, cloud, email, SIEM, and vulnerability management systems. Investigates security violations and attempted compromises, develops remediation recommendations, maintains security policies and procedures, supports IT projects, educates stakeholders, and advises management on security risks and business impacts. Participates in complex security projects and provides technical guidance and mentoring.

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 product security initiatives for cloud, AI, and enterprise platforms. Responsibilities include threat modeling, security architecture reviews, identifying systemic weaknesses, developing secure-by-design guidance and reference architectures, advising engineering and product leaders, leveraging AI and automation for scalable security assessments, investigating emerging attack paths, mentoring teams, and improving security review methodologies and tooling.

Designs, implements, and maintains enterprise IAM solutions across hybrid on-premises and cloud environments. The role drives Zero Trust modernization, identity automation, access governance, privileged access controls, threat monitoring, and automated response. Responsibilities include evaluating security technologies, mitigating identity risks, supporting compliance and audit readiness, and establishing security standards. The engineer collaborates with infrastructure, application, and security teams and participates in rotational on-call, weekend, and holiday support.

Leads exposure management and vulnerability management across cloud, hybrid, SaaS, applications, APIs, certificates, domains, and shadow IT. Identifies, validates, prioritizes, and reports vulnerabilities, misconfigurations, leaked data, and other cybersecurity risks. Designs and implements security solutions, supports remediation and penetration testing, integrates threat intelligence, advises on security architecture, and mentors team members. Requires advanced cybersecurity expertise, cross-functional collaboration, and knowledge of security frameworks and technologies.

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.

Lead security across applications, services, infrastructure, and developer workflows. Identify, assess, and mitigate risks; run secure code reviews, threat modeling, and architecture discussions; build automation and tooling to prevent issues; harden authentication and access control; investigate incidents and manage disclosures; partner with engineering teams to design secure-by-default APIs and deployments.

Own account-level security strategies for defense, aerospace, intelligence, and critical infrastructure customers. Lead security architecture, solution design, demonstrations, workshops, pilots, technical validations, and customer decision processes. Guide secure AI adoption and deployment of Microsoft security solutions, including Sentinel, Defender, Entra, Purview, Security Copilot, Microsoft 365, and Azure security services. Coordinate Microsoft and customer stakeholders, drive adoption, reduce risk, and deliver measurable security outcomes.

Lead a U.S.-based team of Security Operations Engineers and TPMs to design, build, and operationalize identity protections that reduce lateral-movement risk. Define strategy, apply AI and automation, partner with engineering and platform teams, deliver scalable controls, and drive measurable security outcomes, operational readiness, and executive reporting.

Administers Workday and multi-platform HR security, including role-based access, security configuration, access reviews, governance, audit support, and remediation. Evaluates routine and elevated access requests, enforces least-privilege standards, analyzes security and audit trends, maintains governance documentation, and recommends policy and process improvements. Collaborates with HR, IT, Legal, Compliance, and business stakeholders while protecting confidential employee data.

Lead RMF execution and authorization efforts for classified cloud and AI-integrated systems. Develop and maintain SSPs, SARs, POA&Ms, and continuous monitoring documentation; assess NIST, DoD, CNSS, FedRAMP, cloud, container, and AI security controls. Conduct architecture reviews, threat modeling, vulnerability assessments, risk analysis, and security control assessments while coordinating with architects, developers, DevSecOps teams, customers, and third-party assessors.

Own strategic post-sales relationships with enterprise customers, advising them on AI security and governance. Lead discovery, define measurable outcomes, drive adoption, support retention and expansion, and coordinate Product, Engineering, Security, Support, and operationalization teams. Translate CISO-level strategy, GRC concerns, business objectives, and technical requirements into practical solution strategies while identifying new AI security use cases and growth opportunities.

Lead cloud and identity security across Snyk's multi-cloud estate (AWS/GCP). Own cloud IAM and least-privilege, CSPM/CNAPP posture, detection and prevention, Kubernetes and enterprise IdP security. Build preventative IaC guardrails, AI/agent automation for remediation and investigations, secure AI adoption and model pipelines, and mentor engineers while participating in on-call rotations and incident response.

Monitors, detects, investigates, and responds to enterprise cybersecurity threats within a Security Operations Center. Responsibilities include SIEM and EDR alert triage, incident response, endpoint and identity threat analysis, cloud security monitoring, vulnerability remediation support, and investigation of phishing, malware, ransomware, and unauthorized access. The analyst also supports Zero Trust initiatives, SOAR automation, playbook development, root-cause analysis, and continuous improvement of security operations.

Designs and builds security orchestration and automation workflows for SOC processes, including alert triage, incident response, case management, integrations, scripting, error handling, and secure execution. The role translates client requirements into automation build plans, integrates SIEM, EDR/XDR, ticketing, threat intelligence, and email security tools, and may apply AI, cloud security, detection engineering, and automation-as-code practices.