Top Senior Cyber Security Jobs in San Antonio, TX

Lead enterprise security risk assessments, maintain the risk register, prioritize and track remediation, evaluate vendor and architectural risks, define risk methodologies, map controls to NIST and CMMC requirements, support audits, report risk metrics to leadership, and promote risk ownership across the organization.

Owns security for Azure services and supports secure cloud strategy and adoption. The role reduces operational risk, strengthens security posture, implements Azure security controls, supports compliance for regulated data, and applies NIST and CIS standards. Responsibilities include infrastructure-as-code, GitOps, policy-as-code, IaC security scanning, CI/CD automation, secure cloud operations, and scripting with Python and PowerShell.

Secure Wiz’s products, CI/CD systems, and production cloud infrastructure through threat modeling, security reviews, vulnerability management, detection and response, cloud and Kubernetes security baselines, policy-as-code, and automation. Partner with engineering, DevOps, operations, and Federal teams to implement scalable security controls, remediate risks, support FedRAMP requirements, and promote secure-by-design development practices.

Designs, implements, and manages AWS cloud security policies, architecture, and technologies. The role oversees firewalls, DLP, vulnerability scanning, monitoring, logging, IAM, incident response, compliance, and remediation. It provides security guidance for AWS solutions, supports migrations of mission-critical applications, researches new technologies, documents standards, presents to varied audiences, and mentors less experienced engineers. The position requires strong AWS expertise, infrastructure-as-code proficiency, knowledge of regulated healthcare environments, and experience securing highly available cloud and serverless architectures.

Own security partnerships for Netflix Marketing and Animation, advising leaders on risk, GenAI adoption, access controls, content protection, architecture, and remediation. Lead risk assessments, business risk profiles, metrics, and pre-release content security initiatives. Support technical security due diligence for acquisitions and subsidiaries while translating complex security concerns into actionable business guidance across application, cloud, identity, and data domains.

Supports cybersecurity risk management and authorization for the VA.gov Platform. Assesses NIST security controls, performs gap and risk analyses, maintains SSPs, POA&Ms, and authorization evidence, and translates deficiencies into engineering remediation. The role supports ATO/cATO readiness, OSCAL automation, threat modeling, secure design reviews, stakeholder coordination, incident response, and continuous synchronization between technical changes and security documentation.

Build and operate infrastructure security platforms centered on workload identity, service-to-service authentication, authorization, and short-lived credentials. Replace static secrets with identity-based systems, develop identity-authenticated proxies and APIs, and unify authorization policy management. Partner with platform and application teams to drive adoption, migrate legacy systems, and ensure reliable production infrastructure with strong developer experience.

Lead secure design and code reviews, conduct penetration testing and code audits, build secure-by-default systems, improve security tooling and vulnerability management, operate responsible disclosure programs, remediate production vulnerabilities, and address customer security concerns. The role partners closely with engineering teams and requires strong coding, risk assessment, offensive security, and security communication skills.

Owns broad product and operational security responsibilities, including identity and access management, threat modeling, code review, fuzzing, bug bounty operations, AI security research, software supply chain monitoring, penetration test coordination, and compliance evidence. The role requires a strong software engineering background, product security expertise, security tooling development, systems programming experience, and familiarity with web3 or DeFi. It is remote-first and emphasizes autonomy, documentation, and high ownership.

Lead corporate endpoint security architecture with a focus on macOS, designing secure-by-default controls, automation, patching, software distribution, and security baselines across macOS, iOS, Windows, and Linux. Manage configurations through Terraform, GitOps, version control, CI pipelines, and automated rollouts. Partner with IT and security teams to improve telemetry, detection, response, auditability, and operational efficiency. Mentor engineers and serve as a senior escalation point for complex endpoint security issues in a fully remote environment.

Build backend services and distributed systems for a cybersecurity and software supply chain security platform. Develop scalable APIs, data pipelines, and platform components handling vulnerability, container, package, runtime, and SBOM data. Work across Linux, Kubernetes, containers, and cloud environments while solving concurrency, performance, reliability, and distributed processing challenges. Own projects from design through deployment, participate in architecture discussions, review code, and collaborate with security researchers and product teams.

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.

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 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.

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.

The Security Compliance Analyst manages cybersecurity, data privacy, classification, retention, governance, vulnerability assessments, incident response, and ATO documentation. Responsibilities include monitoring cloud environments and system logs, using SIEM tools, analyzing security risks, supporting security policies, reporting incidents, and ensuring compliance throughout the system lifecycle. The role also collaborates with Agile teams and stakeholders to protect sensitive data and resolve information assurance issues.

Lead Uber’s highest-severity security incidents from escalation through containment, recovery, and remediation. Command response teams, make high-consequence decisions, investigate logs and system data, brief executives, conduct post-incident analysis, mentor responders, and improve incident response through simulations, threat modeling, automation, and AI-assisted tooling.

Lead application security engineering across the SDLC using AI-assisted threat modeling, automated security testing, vulnerability prioritization, and secure-by-default controls. Partner with Engineering, Product, QA, DevOps, and AI platform teams to secure applications, APIs, cloud infrastructure, data, and AI/ML systems. Build security automation, CI/CD controls, policy-as-code guardrails, developer enablement, and proactive defenses against emerging threats such as prompt injection and data poisoning.

Design and lead secure AI security solutions for enterprise customers across cloud, hybrid, and on-premises environments. Conduct technical discovery, architect integrations spanning AI systems, LLM applications, data pipelines, model layers, and runtime environments, and support presales validations and implementations. Serve as a technical advisor to CISOs and security leaders while partnering with Sales, Product, and R&D to guide deployments, resolve escalations, and influence product strategy.

Own AWS cloud security posture and vulnerability management using Wiz and AWS-native services. Build Infrastructure as Code guardrails, secure CI/CD pipelines, automate vulnerability workflows, and operate WAF protections. Partner with DevOps and engineering on IAM, network segmentation, containers, secrets, data exposure, telemetry, threat modeling, and application security. Drive projects independently while reducing organizational risk.

Staff Security Engineer partners with Product, Engineering, and DevOps to embed security into application architecture, cloud infrastructure, and CI/CD processes. Responsibilities include secure design and code review, vulnerability remediation, AWS cloud security, WAF tuning, security automation in Python, SIEM and log pipeline contributions, endpoint controls, and security standards. The role requires deep expertise in application security, cloud security, or security automation, plus threat modeling and independent project ownership.

Leads KeyBank’s Red Team and offensive security program, including adversary emulation, penetration testing, physical and application assessments, cloud security testing, AI security evaluations, and purple team exercises. Develops testing strategy, methodologies, tooling, metrics, and maturity roadmaps; mentors engineers; coordinates internal and third-party engagements; validates remediation and attack paths; and presents findings and strategic recommendations to executives and cybersecurity stakeholders.

Leads application security engineering for enterprise systems, including SAST and DAST scanning, security control implementation, web application protection, and pipeline development. Uses Veracode, Burp tools, Linux, and programming or scripting languages to identify and remediate vulnerabilities. Applies OWASP, CVSS, CWE, federal compliance standards, and secure architecture practices while supporting scalable digital transformation initiatives. Requires Public Trust eligibility and U.S. citizenship.

Serve as a fractional CISO advising alternative asset firms and family offices on building, maintaining, and operating full cybersecurity programs. Provide hands-on leadership, risk assessment, policy and controls development, and program execution on project-based engagements.