Top Senior Cyber Security Jobs in Houston, TX

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.

Support cybersecurity engineering for a VA healthcare modernization project: secure AWS and hybrid environments, support RMF/ATO and compliance, configure and monitor AWS security services, produce SSPs/POA&Ms/SOPs, perform vulnerability assessments and DISA STIG hardening, integrate security into DevSecOps and CI/CD, and collaborate with stakeholders on security controls and remediation.

Lead design and management of security architecture (SIEM, EDR, DLP, firewalls, VPNs), drive incident response and detection tuning, perform vulnerability and risk assessments, support compliance/audits (HIPAA, PCI-DSS, NIST, ISO 27001), and provide cross-functional security guidance and training.

Perform application-security engineering: run SAST/DAST scans, triage and remediate vulnerabilities, integrate Fortify/JFrog Xray/OWASP ZAP into CI/CD, support software-supply-chain/SCA efforts, and collaborate with developers to document and resolve security findings.

Lead product security across application, CI/CD/supply-chain, and Kubernetes-based infrastructure. Own PKI and mTLS, vulnerability management, product incident response, infra hardening, and partner with hardware/firmware teams on secure boot, key storage, and supply-chain integrity. Drive secure SDLC, SAST/DAST/SCA, SLSA-aligned controls, and mentor engineering teams while building security programmatic controls.

Provide technical and functional security support for Oracle Fusion Cloud and related applications. Manage access provisioning/deprovisioning, troubleshoot roles and data security issues, maintain role and service-account documentation, support BI permissions, assist projects and consultants, and ensure SOX compliance for Oracle access controls.

Design, review, and verify security architecture across infrastructure, applications, blockchain, and AI projects; conduct security assessments and audits; advise blockchain teams on secure operations; stay current on security threats and mitigations.

Lead IAM consulting engagements: deliver assessments, architecture design, and implementations across IGA, PAM, access management, and cloud identity. Serve as technical SME for pursuits, scope and price engagements, produce client-ready deliverables, facilitate executive workshops, mentor consultants, and grow the IAM practice through reusable assets and thought leadership.

Lead and grow WWT's micro-segmentation practice, driving revenue and client engagements across Illumio, Guardicore, and Cisco Secure Workload. Manage a team of consultants, author SOWs, deliver end-to-end segmentation and zero-trust solutions, oversee project delivery, and advise clients on compliance and optimization. Partner with sales, OEMs, and executives to position offerings and ensure successful outcomes.

Lead technical IAM delivery tasks: conduct current-state discovery, configure and validate IGA/PAM/Access Management platforms, perform gap analyses against frameworks, produce client deliverables (assessments, diagrams, maturity scores), facilitate workshops, and support pre-sales and practice development while growing toward workstream ownership.

Build and maintain scalable data pipelines and data products to enable security and fraud detection. Implement ETL, data models, and distributed processing (Spark/Presto/Flink/Kafka) to centralize signals, support analytics and machine learning, and partner with security teams to improve detection and mitigation of fraud and account compromise.

Own protocol and cryptographic foundations for Netflix Open Connect edge appliances. Design and implement security primitives, optimize crypto/transport for performance, build DoS mitigations, conduct vulnerability research, and partner cross-functionally to deploy end-to-end security controls across delivery infrastructure.

Lead and perform application and network penetration tests, source code and cloud security reviews, and produce clear pentest reports. Research and develop pentesting tools/methods for blockchain and Web3, contribute to community content, and support client security engagements.

Perform smart contract and protocol audits, consult with external blockchain teams on remediation, conduct security research, and build internal security tools and methodologies to protect Web3 projects and clients.

Perform end-to-end blockchain security services including consulting, manual code reviews and audits of smart contracts and protocols (Solidity, Go, Rust), threat modeling, property-based and gas-related testing, penetration testing, and deliver detailed security assessments to clients.

Lead messaging, positioning, and go-to-market for core AI-native security products. Drive product launches, sales enablement, demand generation content, customer research, and analyst/customer-facing evangelism to accelerate pipeline and revenue.

Support pre-sales and post-sales technical engagements for Keeper's DevOps-focused cybersecurity products. Conduct technical discovery, demos, trials, integrations, and level-2 support for CI/CD, container, and cloud-native environments. Act as DevOps SME, collaborate with sales and engineering, produce technical training, maintain Salesforce records, and travel to customer meetings as needed.

Validate secure remote access workflows for Keeper Connection Manager through functional, integration, regression, system and exploratory testing. Test SSH/RDP/VNC and related auth, session management, connectivity and encrypted communication across OSes, cloud and on-prem deployments. Reproduce and document defects, collaborate with Engineering/DevOps/Product, maintain test suites and use AI-assisted tools to improve test development, troubleshooting and release confidence.

Lead and grow a Sales Engineering team for major enterprise accounts, drive technical strategy across complex sales cycles, deliver executive demos and repeatable POVs, collaborate with product and engineering, support onboarding, and represent the company at industry events.

Manage the DC/MD/VA region to build pipeline, run consultative sales from prospecting to close, demo with Solutions Engineers, engage CISOs and security leaders, collaborate with partners, forecast revenue, and contribute go-to-market feedback to drive enterprise and mid-market wins.

Lead and execute complex DFIR investigations (host forensics, network analysis, malware triage, log/BEC review), produce technical and executive deliverables, automate processes, contribute tooling integrations, mentor peers, maintain client relationships, and participate in on-call rotation and incident response availability.

The Solutions Engineer collaborates with sales to meet customer needs, conducts demos, develops proposals, and ensures product implementation and support.

Plan, develop, monitor, and optimize cloud infrastructure with FedRAMP compliance. Build CI/CD pipelines, self-healing systems, R&D environments, and observability. Operate GovCloud/FedRAMP authorized systems, respond to incidents, and use IaC, container orchestration, monitoring, and scripting to ensure secure, reliable operations.

Define and drive product strategy and roadmap for certificate lifecycle management. Partner with engineering, security, solutions and customers to design PKI architectures, certificate discovery/issuance/renewal/rotation/revocation, integrations, automation, APIs and admin/developer UX. Prioritize features, validate requirements, track metrics, evaluate competitors, and coordinate launches and go-to-market.