Top Remote Cyber Security Jobs in San Antonio, TX

Investigate, assess, and remediate vulnerabilities across NVIDIA data center platforms. Responsibilities include vulnerability triage, exploitability analysis, CVSS and CWE assessment, security fixes, regression testing, dependency updates, automation, and coordinated disclosure. The role also improves secure development lifecycle practices through threat modeling, security reviews, testing, and security automation while collaborating across distributed engineering teams.

Conduct novel research in AI security and cybersecurity, focusing on securing AI models, agents, systems, and infrastructure. Develop tools and processes to identify and remediate vulnerabilities, investigate adversarial machine learning, publish findings, and collaborate across NVIDIA. Present complex technical results to security, machine learning, and business audiences while contributing to secure software development and AI safety.

Lead application and infrastructure security for LiteLLM, focusing on Python code reviews, vulnerability remediation, threat modeling, secure development tooling, CI/CD and supply-chain security, cloud and IT controls, incident response, and LLM-specific attack testing. Partner closely with engineers to strengthen authentication, authorization, tenant isolation, secrets management, deployment security, monitoring, vulnerability management, and disclosure processes.

Leads Americas security architects in customer-facing engagements, enterprise security strategy, architecture reviews, escalations, and product feedback. Drives customer growth, security adoption, resilience, risk management, and AI transformation. Develops managers and technical leaders, builds high-performing teams, engages executive stakeholders, and provides technical thought leadership across Microsoft security solutions, cloud security, identity, data protection, SIEM, XDR, and security operations.

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.

Analyzes exposure risks across databases and data platforms, including permissions, access models, configurations, storage, encryption, and service-to-service access. Investigates attack paths, validates risks using queries and logs, prioritizes issues by exploitability and business impact, and partners with database, cloud, platform, engineering, and cybersecurity teams on remediation and preventative controls.

Leads day-to-day information security across applications, infrastructure, cloud, networks, endpoints, and data platforms. Responsibilities include incident response, threat and vulnerability assessment, application and API protection, AWS and container security, IAM, endpoint controls, compliance support, vendor reviews, and executive communication. The role partners with engineering teams to remediate risks, improve security controls, protect high-traffic consumer sites from abuse, and maintain incident procedures and security documentation.

Oversee internal IT infrastructure, cybersecurity operations, incident response, cloud systems, identity and access management, employee IT support, and technology vendors. Administer Microsoft 365, Azure, networking, firewalls, endpoints, backups, and SSO. Lead security assessments, vendor selection and negotiations, insurance compliance, documentation, infrastructure initiatives, and risk communication to leadership.

Leads enterprise SAP Basis, security, identity governance, platform operations, technical governance, and roadmap activities. Oversees S/4HANA, BTP, integrations, Cloud ALM, transport and release management, access controls, segregation of duties, audit compliance, analytics platforms, AMS providers, and production issue resolution. Partners with technical, cybersecurity, infrastructure, audit, implementation, and business stakeholders to maintain a secure, stable, scalable SAP environment.

Lead Irth’s cybersecurity program across vulnerability management, incident response, cloud and identity security, compliance, and customer trust. Prioritize and drive remediation of security findings, manage AWS and Azure security controls, oversee IAM and access reviews, maintain NIST- and ISO-aligned policies, and support SOC 2 audits. Lead incident communications, tabletop exercises, penetration testing, customer security reviews, and regulatory responses while partnering with engineering, infrastructure, IT, GRC, executives, and customers.

The Senior Cloud Security Engineer identifies and mitigates cloud vulnerabilities, monitors environments for breaches, responds to incidents, assesses security weaknesses, and strengthens cloud security controls. The role develops risk management programs, conducts gap analyses, optimizes cloud security tools, improves monitoring and response capabilities, tracks emerging threats, and advises stakeholders on security policies and standards. The position supports the National Science Foundation and requires an active Public Trust clearance.

Hands-on senior security engineer responsible for building secure libraries, templates, guardrails, and developer tooling. Reviews architecture and code for authentication, authorization, and data exposure risks; conducts threat modeling; strengthens secrets, logging, and auditability; integrates security checks into CI/CD; supports vulnerability remediation, secure development practices, and incident reviews.

Develop and integrate network security software with firewalls, routers, switches, IPS, proxies, and other security devices. Responsibilities include gathering technical requirements, designing integrations, maintaining security-device test labs, assisting development and testing, creating test cases, troubleshooting complex integration issues, and documenting configurations. The role requires expertise in networking and security, packet analysis, major firewall vendors, virtualization, and regular expressions.

Leads cloud, application, data, and enterprise security architecture across a predominantly AWS-based healthcare environment. Designs security controls, IAM policies, network segmentation, infrastructure-as-code modules, automated detection and remediation, and CI/CD integrations. Provides technical leadership for incident response, vulnerability management, compliance validation, and secure Snowflake and generative AI workloads. Partners across engineering, cloud operations, reliability, data, architecture, and GRC teams while mentoring technical staff.

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.

Own Deepgram’s privacy operations, security compliance, audit evidence, control mapping, security questionnaires, policies, and public trust documentation. Lead DPIAs, data-flow mapping, DSAR and deletion workflows, vendor reviews, SOC 2, ISO 27001, and PCI DSS audits. Partner with Engineering, Legal, Research, and Sales Engineering to verify technical claims, automate evidence collection, maintain accurate documentation, and translate privacy and AI regulations into practical requirements and enablement.

Build and automate security controls across bare-metal Linux infrastructure and AWS. Responsibilities include host hardening, vulnerability and patch management, container and CI/CD security, penetration testing, detection and incident response, access and log reviews, compliance evidence automation, and software supply-chain security. The role also supports customer security work and applies AI tooling to security operations.

Conduct OT and ICS inventories at DoD facilities, assess network architecture and cybersecurity compliance, create topology and dataflow diagrams, oversee field teams, coordinate site visits, and recommend remediation aligned with RMF, DoD standards, and UFC requirements. The role requires extensive domestic and international travel, customer collaboration, project reporting, and technical assessment of critical building systems.

Conduct cybersecurity assessments and OT/ICS inventories at CONUS and OCONUS DoD facilities. Perform logical network scans, document topology and data flows, evaluate compliance with DoD cybersecurity standards and RMF requirements, identify vulnerabilities, and recommend remediation. The role also supports site-visit planning, stakeholder coordination, logistics, and closeout reporting.

Supports company IT and security operations in a fully remote environment. Responsibilities include helpdesk and endpoint support, authentication and access management, security and compliance automation, disaster recovery, vendor management, system migrations, security tooling, and cross-functional technical project planning. The role also helps maintain audit-ready processes and supports AWS security, identity providers, compliance platforms, scripting, and remote security tools.

Develops secure, isolated attack scenarios across cloud, on-premises, and hybrid environments. Reproduces vulnerabilities, builds multi-step attack chains, creates automated graders and reward signals, and validates outcomes using system state and telemetry. The role also develops attack variants and benign comparisons to evaluate AI security agents, partnering with threat researchers, AI engineers, and environment engineers.

Designs and maintains security controls for blockchain, digital asset, application, cloud, and infrastructure environments. Responsibilities include threat modeling, cryptographic key management, application and API security, AWS and Kubernetes hardening, vulnerability management, monitoring, incident response, penetration testing, and security governance. The engineer collaborates with Cybersecurity, Engineering, DevOps, and Infrastructure teams to secure distributed systems and support regulatory requirements.

Provides security engineering and compliance expertise for FedRAMP Cloud Service Provider authorization packages. Reviews cloud architectures, security controls, system security plans, assessment reports, vulnerability scans, and penetration tests against NIST, FedRAMP, FISMA, RMF, and agency requirements. Leads architecture interviews, identifies technical and documentation gaps, advises government program leaders and CISOs on risk posture, supports continuous monitoring, and guides vendors through remediation and authorization activities.

Leads threat actor communications and ransomware negotiations, advising clients, legal counsel, and insurers during digital extortion incidents. Conducts threat intelligence collection and analysis, supports digital forensics and incident response investigations, develops persona operations, and produces technical and executive-facing deliverables. The role also improves intelligence workflows through automation, scripting, and tool integration, contributes to cybercrime research, and participates in an emergency on-call rotation.

Conduct original research into active campaigns, attacker behavior, and email and identity attacks. Synthesize technical findings from diverse sources into threat briefs, analytical reports, customer briefings, webinars, and executive summaries. Present intelligence to customers and prospects, collaborate with Threat Intelligence, Detection, Sales, Customer Success, and Marketing teams, mentor analysts, and use AI tools and automation to improve research and content workflows.