Top Cyber Security Jobs in Houston, TX

Build and secure scalable backend services and APIs while debugging, optimizing performance, implementing features, refactoring codebases, and conducting security reviews and penetration testing. The role also involves automated testing, code review, vulnerability assessment, and contributing domain expertise to training next-generation AI systems.

Leads cybersecurity governance, risk, and compliance programs, with ownership of third-party cyber risk, customer security assessments, risk exceptions, and the cyber risk register. Manages a geographically distributed team, matures GRC processes, drives automation, partners with internal and external stakeholders, and reports risk trends and recommendations to senior leadership. Requires extensive cybersecurity experience, people leadership, customer-facing skills, and experience building or improving third-party risk capabilities.

Conducts independent cybersecurity assessments of MARAD information systems across authorization, reauthorization, and continuous monitoring activities. Evaluates management, operational, and technical controls under NIST RMF; develops assessment plans, reports, risk assessments, and remediation recommendations; validates evidence and system compliance; supports ATO decisions; enters data into CSAM; and collaborates with federal cybersecurity stakeholders.

Designs, implements, and operates Azure-native security controls for identity, networking, and workloads. Manages Defender for Cloud and Microsoft Sentinel, implements Conditional Access, MFA, and Zero Trust patterns, embeds security into Infrastructure-as-Code pipelines, monitors cloud posture, supports incident response, drives remediation, and maintains compliance documentation and metrics. Partners with cloud and infrastructure security teams to ensure secure, resilient, and compliant Azure environments.

The AI Security Consultant will enhance security programs, secure AI systems, engage in technical analysis, and report findings. They will also contribute to thought leadership while ensuring high-quality service delivery.

Leads Carina’s cloud infrastructure, internal IT, cybersecurity, risk management, compliance, and business continuity programs. Oversees AWS platform operations, infrastructure as code, deployment reliability, observability, incident response, disaster recovery, employee technology, identity systems, vendors, budgets, and governance. Advises executives on technology strategy, security posture, operational risk, and investments while partnering with Engineering and Data to provide a secure, reliable technology foundation.

This role involves defining and leading the security and risk strategy for Circle's products, ensuring compliance across jurisdictions while managing product security, compliance operations, and risk assessment.

Designs, implements, and maintains secure enterprise network environments. Responsibilities include managing Palo Alto firewalls and Panorama, Zscaler solutions, Cisco routing and switching, BGP, network access control, security policies, and incident response. The role also automates firewall and security processes, maintains documentation, supports high-availability network operations, and contributes to security best practices. Preferred experience includes cloud networking security, Ansible, Python, Terraform, relevant certifications, and SASE integrations.

Lead security engineering for a federal health supply chain and logistics software product line. Own security architecture through authorization, establish engineering standards, assess and remediate complex findings, advise stakeholders on risk, and mentor engineers. The role requires federal security framework expertise, cloud security experience, cross-team remediation leadership, and eligibility for a Public Trust background investigation. Preferred experience includes federal health IT, ATO packages, Kubernetes security, incident response, HIPAA, and Agile or SAFe environments.

Secure federal health IT supply-chain and logistics software by designing and validating application and infrastructure controls, assessing vulnerabilities, driving remediation, embedding security checks into CI/CD pipelines, monitoring security tools, supporting incident response, and translating federal security requirements into implementable technical designs.

Designs and engineers secure network and cloud architectures across AWS, GCP, Azure, and physical data centers. Responsibilities include threat modeling, network segmentation, monitoring, alerting, automation, attack-surface reduction, and secure connection patterns. The role drives strategic security improvements, partners with product and infrastructure teams, communicates architectural decisions, and mentors engineers. Candidates need deep hybrid networking and cloud security expertise, protocol knowledge, scripting ability, independent problem-solving skills, and strong communication.

Deliver generative AI-enabled source code review and application security engagements. Coordinate with leadership, organize resources, refine and present assessment findings, document recommendations, and mentor junior red team members. Support penetration testing projects, including external and web application testing, while managing engagement delivery and improving security assessment technologies and workflows.

Owner of Vannevar's authentication and authorization platform: build tenant-isolated auth systems, self-service user/group/permission admin UI, tooling to visualize and validate access, feature-flag and platform management interfaces, and shared authorization capabilities across products.

Lead and mature Affirm's third-party security risk program by designing controls, automating GRC workflows, evaluating third-party/cloud security, building integrations and dashboards, and advising stakeholders. Drive automation using Python and agentic coding tools, operate orchestration across systems, manage a portfolio of risk reviews, and establish metrics, processes, and reporting to scale security risk management.

Lead and grow a Security Platform engineering team to design and operate centralized identity and access services (IdP integrations, SSO, authorization frameworks). Define roadmap, partner cross-functionally, and drive adoption of secure-by-default access controls across products.

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.

Lead Microsoft's global Security partner strategy to accelerate customer adoption, consumption, and value realization via partner-led motions. Drive strategy, analytics, governance, partner readiness, and cross-functional alignment; generate insights from partner and product data; manage strategic programs and stakeholder communications; mentor team members and continuously optimize partner ecosystem performance.

Manages enterprise information security governance, risk, and compliance initiatives. Develops security policies and frameworks, leads data classification and threat modeling, conducts risk assessments, oversees vulnerability remediation, evaluates security controls, supports audits, and prepares risk metrics and executive reports. Partners with technical teams to embed security requirements and promotes governance best practices across the organization.

Protect Air Force modernization efforts by assessing legacy and modernized applications, conducting security audits and risk analyses, implementing RMF, ATO, and cATO processes, authoring security controls and authorization evidence, researching emerging threats, and coaching government engineering teams on secure software development and compliance.

Define and drive Security Operations strategy at the intersection of Identity and AI. Analyze IAM and AI roadmaps, perform threat modeling, build security frameworks for AI-enabled systems and agentic workloads, identify capability gaps, incubate new security approaches, and partner with engineering and security teams to influence long-term direction and operational readiness.

Customer-facing Cloud Solution Architect driving security transformation on Azure and Microsoft 365. Design and implement security architectures (Identity, Threat Protection, Cloud Security), run design sessions, perform hands-on evaluations of Defender, Sentinel, and Azure AD, and influence product and engineering teams to improve customer security posture and adoption.

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.

Own security partnerships for Customer Service and Creative Technology. Advise on GenAI and GenMedia security, customer data environments, cloud infrastructure, third-party tools, training data governance, and risk treatment. Build business risk profiles, drive remediation, report security posture, and support technical security due diligence for acquisitions and subsidiaries.

Lead design and delivery of secure storage software across OS, kernel drivers, microservices and containerized environments. Act as security consultant, manage vulnerability backlog and remediation, influence architecture and compliance (FIPS, Common Criteria, DISA STIG), mentor engineers, and evaluate vendors and technologies to ensure product security and certification readiness.

Leads and matures the information security assurance program across governance, control frameworks, audits, regulatory response, PCI DSS, third-party risk, policy governance, security awareness, automation, and executive reporting. Manages a multidisciplinary team, oversees GRC platform operations, improves control testing and evidence collection, and partners with business, technology, regulators, auditors, and senior leadership to strengthen security posture and compliance.