Top Cyber Security Jobs in Houston, TX

Manage cybersecurity for facility-related IT and OT control systems supporting U.S. Government operations on Diego Garcia. Responsibilities include system administration, network and access control, vulnerability and threat reviews, incident reporting, audit logging, certification and accreditation support, backups, recovery procedures, compliance, and system maintenance. The role advises leadership, coordinates with stakeholders, maintains security documentation, and ensures reliable operation of critical services in a remote overseas environment.

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.

Owns compliance documentation and security control narratives for an Agentic AI platform. Responsibilities include authoring System Security Plans, managing POA&Ms, coordinating audit evidence, supporting RMF and ATO activities, maintaining policies and SOPs, and partnering with cloud, platform, and security engineers. The role validates that documentation reflects implemented infrastructure and supports CMMC, FedRAMP, DoD, and NIST-aligned compliance efforts.

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.

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.

Manages the IT and Security team, including helpdesk workflows, project roadmaps, compliance automation, access management, authentication standards, disaster recovery, vendor relationships, and enterprise system rollouts. Partners with product, engineering, and business leaders on security initiatives and complex technical changes. Maintains audit-ready security processes while overseeing remote IT operations, cloud security, identity tools, and technology spend.

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.

Drive technical pre-sales for data security: deliver demos/PoCs, lead hands-on workshops, design secure architectures, resolve technical blockers, advise on data governance and AI platform security, and represent Microsoft in developer communities.

Designs, implements, maintains, and improves cybersecurity controls across enterprise systems, networks, cloud environments, and applications. Deploys and troubleshoots security technologies, responds to incidents, identifies security requirements, supports audits and change management, documents procedures, analyzes risks, and delivers remediation recommendations. Collaborates with architects, project managers, engineers, and stakeholders to protect organizational data and infrastructure while automating repeatable security tasks.

Leads the strategy, lifecycle, financial performance, positioning, and growth of Arctic Wolf’s Endpoint Security portfolio. The role oversees product expansion, cross-sell opportunities, competitive analysis, M&A integration, and integration with managed security services. It also leads a global product management team, establishes product metrics and operating cadences, and represents endpoint strategy to executives, customers, analysts, and partners.

Leads enterprise security architecture by assessing threats, performing application security assessments and threat modeling, reviewing designs, and integrating controls into SDLC and DevSecOps environments. Advises business and engineering stakeholders on secure solutions, remediates vulnerabilities, protects APIs, web applications, and cloud workloads, and improves security processes through automation and standardization.

Designs and advances security architecture for Microsoft’s enterprise productivity environment. The role assesses evolving risk, analyzes systems and telemetry, develops reusable security patterns and tooling, partners with engineering teams on deployment, communicates risk and tradeoffs, and establishes priorities and roadmaps amid incomplete information.

Secure Microsoft Windows online services through offensive security, code and deployment reviews, penetration testing, vulnerability research, and scalable mitigation development. Build reusable security review tools and agents, demonstrate exploit impact, identify novel attack vectors, bypass security controls, and collaborate with product engineering teams to strengthen architecture and defenses.

Identify and remediate vulnerabilities across products and AWS infrastructure, respond to security incidents, close security tickets, integrate security controls into CI/CD, review code and infrastructure, support SOC 2 and CASA compliance, and strengthen access management, secrets handling, and cloud hardening.

Owns company-wide security operations, cloud and infrastructure security, incident response, zero-trust architecture, blockchain treasury controls, compliance, privacy, production reliability, Terraform, CI/CD, observability, disaster recovery, and on-call operations. This hands-on leadership role reports to the CTO, represents the company to auditors and customers, and builds security automation across GCP, Cloudflare, GitHub, Google Workspace, and Ethereum infrastructure.

Conduct advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Identify and exploit novel, systemic, and chained vulnerabilities; develop proof-of-concept exploits, testing methodologies, and research automation; assess AI attack vectors and open-source dependencies; drive remediation and security improvements; advise engineering teams, contribute to roadmaps, mentor researchers, and share findings with the security community.

Conducts advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Responsibilities include discovering and exploiting systemic vulnerabilities, penetration testing, developing proof-of-concept exploits, researching AI and agentic security threats, building automated research tooling, coordinating remediation, mentoring security professionals, and communicating findings to engineering and security communities.

Design and implement secure architectures across systems, networks, servers, and cloud. Deliver end-to-end security projects, validate client architectures, identify gaps, implement identity, threat protection, data protection, SIEM/XDR, and cloud security solutions, and produce comprehensive documentation and knowledge transfer.

Designs and leads enterprise cybersecurity architecture across network, cloud, endpoint, identity, and data environments. Develops security strategies, governance frameworks, and controls; conducts risk assessments, vulnerability management, penetration testing, and incident response. Oversees security tool integration, regulatory compliance, third-party risk, and secure development practices. Provides technical leadership, mentoring, and cross-functional guidance to protect business-critical systems and minimize cyber risk.

Architect, deploy, configure, administer, and maintain Splunk instances for clients and internal teams. Develop security use cases, configure alerts, evaluate and prioritize security data sources, and guide log collection and forwarding to SIEM platforms. Collaborate with clients, SOC analysts, and project coordinators, participate in project meetings, and support a rotating on-call schedule.

Leads and builds NVIDIA’s AI Safety and Security Engineering team, hiring engineers across platform, security research, evaluation, and vulnerability tooling. Owns the Find, Validate, and Patch roadmap; guides architecture and evaluation trade-offs; partners with security, platform, and evaluation leaders; and communicates engineering progress clearly. The role requires extensive software engineering and engineering management experience, with expertise in complex systems, ML infrastructure, security tooling, or distributed platforms.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Performs cloud security engineering across AWS and GCP, including system hardening, vulnerability remediation, compliance scanning, cloud operations, security tooling, incident response, and troubleshooting across infrastructure and identity layers. Supports FedRAMP, FISMA, and NIST 800-53 environments, participates in a 24×7 on-call rotation, maintains technical documentation, communicates with customers, and mentors junior engineers.

Provides information security support for federal healthcare systems, including security architecture reviews, firewall and infrastructure initiatives, security impact assessments, mitigating controls, system security plans, SOPs, and POA&M remediation. Advises development teams and customer security organizations on federal security requirements, emerging practices such as Zero Trust and SBOM, network monitoring, authentication, and data security. The role is remote and requires passing an IHS background check for Public Trust eligibility.

Builds and operates cloud security controls across AWS, Azure, GovCloud, and other platforms. Responsibilities include IAM, encryption, secrets management, preventive and detective controls, PHI protection, logging pipelines, Terraform automation, security remediation, audit evidence, and compliance support for HIPAA, HITRUST, SOC 2, and FedRAMP.