Top Remote Cyber Security Jobs in San Antonio, TX

The ISSO plans, implements, and maintains the Risk Management Framework for assigned systems; develops security documentation including SSPs, SARs, and POA&Ms; supports the ISSM; collaborates with system owners and security professionals; provides training and briefings; and ensures compliance with DoD and DoN cybersecurity policies.

Lead technical discovery, customized demonstrations, and proofs of value for enterprise CTEM customers. Map vulnerability, asset, ticketing, and remediation workflows; integrate customer tools; prove exposure-management outcomes using customer data; and communicate findings to engineers, CISOs, and executives. Maintain presales deal information, provide product feedback, create reusable demo and POV assets, and expand expertise into third-party risk management and cyber risk quantification.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

Assess product and application architectures, develop threat models, identify security risks, and guide engineering teams on remediation. Promote security culture through training, mentoring, vulnerability management, and internal security initiatives. Build security tooling, automation, patterns, and workflows that embed secure-by-design practices across engineering. Partner with product managers, designers, and engineers to secure complex, large-scale cloud systems.

Monitor and investigate security alerts, logs, threats, vulnerabilities, and incidents. Conduct vulnerability assessments, support penetration testing and cloud security reviews, assist with incident response, recommend remediation, and prepare technical and executive reports. Collaborate with security consultants, engineers, red teamers, and client IT teams while supporting compliance, hardening, patch management, and security monitoring across cloud and enterprise environments.

Build and automate security infrastructure across AWS and Kubernetes, including cryptographic material lifecycle, telemetry pipelines, policy-as-code, compliance monitoring, and incident-response tooling. Develop agentic AI workflows using coding assistants, MCP integrations, and custom harnesses. Apply threat modeling and secure architecture review while partnering with engineering, risk, auditors, vendors, and clients. The role emphasizes production software, cloud-native automation, continuous control monitoring, and eliminating manual security toil.

Build and operate a reliable security platform across hundreds of AWS environments. Responsibilities include security telemetry and OpenSearch infrastructure, GitOps deployments, Kubernetes and AWS security controls, cross-account and multi-region architecture, Python automation, and agentic AI workflows. The role participates in on-call support, security incident enablement, audit evidence automation, and reliability improvements while collaborating with Security Operations, Risk, and SRE teams.

Manage enterprise and federal cybersecurity compliance programs, audit readiness, continuous monitoring, POA&M remediation, third-party risk, policy governance, documentation, and security training. Coordinate cross-functional stakeholders across Security, Engineering, DevOps, IT, GRC, Procurement, and Legal. Maintain compliance plans, evidence, risk registers, control documentation, and audit-ready materials while supporting FedRAMP High, DoD IL5, SOC 2, ISO 27001, and related requirements.

Lead Affirm’s enterprise AI security review program, threat model LLM and agentic systems, review code and configurations, and develop security guardrails, tooling, policies, and monitoring. Evaluate AI-enabled SaaS vendors, identify emerging vulnerabilities, support incident response, and lead cross-functional initiatives across Security, Engineering, Legal, Privacy, and Compliance. The role requires expertise in AI security architecture, threat modeling, IAM, cloud infrastructure, policy-as-code, and regulated enterprise environments.

Lead application security across the SDLC, partnering with engineering teams on secure architecture, coding, testing, deployment, and cloud services. Conduct manual web application and API testing, improve automated CI/CD security controls, establish secure coding standards, assess third-party risks, support vulnerability management and incident response, and ensure healthcare compliance. The role also develops enterprise-wide security policies and evaluates emerging security technologies.

Build and scale the application security program by integrating SAST, DAST, and SCA tooling into CI/CD pipelines; define Secure SDLC processes and threat modeling practices; manage bug bounty triage and metrics; conduct Java and Python code reviews; deliver secure coding training; develop security champions; and support vulnerability disclosures and security communications.

Lead the technical presales process for Proofpoint’s data security and insider risk solutions. Partner with sales teams, conduct technical discovery, design security architectures, and manage proof-of-concept and production evaluations. Present solutions to customers, support deployments and training, collaborate with Professional Services, Engineering, Product Management, and Support, and provide customer insights to improve products. The role also develops internal documentation, training, and repeatable sales engineering processes.

Supports enterprise cybersecurity and GRC programs through third-party risk assessments, security testing coordination, corrective action tracking, policy development, compliance support, incident response planning, disaster recovery exercises, and enforcement of technical and administrative controls. Partners with engineering, operations, managed security providers, and internal stakeholders to strengthen security posture across cloud and hybrid environments.

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.

Leads secure enterprise architecture design and GitLab Professional Services implementations across application security, cloud security, DevSecOps, identity, vulnerability management, and compliance. Guides SaaS, Self-Managed, and Dedicated deployment decisions; leads CI/CD, source control, and security-tool migrations; conducts risk assessments and threat modeling; supports pre-sales scoping and statements of work; coordinates cross-functional delivery; mentors consultants; and develops security enablement materials.

Lead Pomelo Care’s enterprise security governance, risk, and compliance program. Own SOC 2 Type II and HITRUST certification lifecycles, security policies, access governance, HIPAA risk assessments, awareness training, control monitoring, incident response, and third-party risk assessments. Partner with engineering leadership to align technical roadmaps with security strategy, represent the company during audits and partner due diligence, and report security posture and program maturity to executives.

Provides technical leadership for enterprise AI security, designing secure AI platform architectures, vetting frameworks, identity and posture management for AI agents, and preventative security guardrails. The role requires building scalable security systems with Python, Go, or Java, managing infrastructure as code, addressing cloud and container security, mentoring engineers, and advising leadership on AI security risks.

The Senior Security Engineer architects, implements, and supports enterprise security capabilities across vulnerability management, cloud security, identity, endpoint, application security, and security architecture. The role leads security initiatives, resolves complex platform issues, develops automation and AI-assisted workflows, establishes documentation and reporting standards, and mentors security engineers and analysts while partnering across infrastructure, application, network, cloud, and security teams.

Leads the company’s information security operations and reports to the CISO. Oversees SIEM, threat detection, vulnerability management, penetration testing, incident response, SOC 2 Type II compliance, third-party risk, security awareness, cloud and endpoint security, and regulatory cybersecurity coordination. Manages security policies, breach readiness, tabletop exercises, KPIs, audits, and emerging technology evaluations while partnering with IT, infrastructure, compliance, regulators, and executive leadership.

Designs, deploys, troubleshoots, and supports enterprise network and security infrastructure, including routing, switching, firewalls, wireless, cloud networking, VPNs, and data center services. The role analyzes operational incidents, implements remediation, maintains documentation, communicates with management, supports roadmap decisions, and participates in on-call rotations. It requires extensive experience with multi-vendor network security technologies, cloud platforms, and customer-facing technical work.

Leads cybersecurity consulting engagements for large, complex organizations, overseeing project delivery, client relationships, security strategy, governance, risk management, proposals, statements of work, and business development. Provides thought leadership, advises senior stakeholders, guides cybersecurity solutions and emerging-threat initiatives, supports sales growth, and mentors junior team members. Travel up to 25% is required.

Perform advanced security monitoring, threat hunting, incident investigation, and triage across endpoint, server, and network environments. Analyze SIEM and endpoint data, identify indicators of attack and compromise, map customer use cases to MITRE ATT&CK, scope incidents, provide recommendations, maintain documentation, and participate in an after-hours incident-controller rotation.

Lead enterprise-wide security compliance and regulatory authorization initiatives across global cloud environments. Architect unified control frameworks, map controls to federal, defense, international, and commercial standards, manage audits and assessments, coordinate evidence and remediation, and communicate compliance risks to executives, government stakeholders, assessors, and defense agencies. Drive continuous monitoring and recurring audit readiness across multiple compliance lifecycles.

Build and maintain custom security tools, middleware, automation, APIs, integrations, dashboards, and security workflows. Integrate identity, endpoint, SIEM, SaaS, and other security platforms using APIs, cloud services, containers, and CI/CD. Translate security policies into secure, code-driven solutions while supporting SOAR, continuous monitoring, compliance, and cross-functional collaboration.

Own Hightouch’s application security posture as the first dedicated security hire. Secure multi-tenant systems, sub-tenant access controls, distributed architecture, internet-facing APIs, and multi-region, multi-cloud infrastructure. Lead threat modeling, compute isolation, rate limiting, abuse detection, authorization, privacy controls, and security program initiatives. The role is highly hands-on, emphasizing code-level fixes, architecture influence, roadmap ownership, and collaboration with engineering teams.