Top Remote Senior Level Cybersecurity Jobs in San Antonio, TX

Design, build, and maintain a secure, high-performance browser extension (Manifest V3) for Chrome/Edge and major browsers. Implement secure interactions with web content and backend services, optimize reliability, collaborate with endpoint and backend teams, and stay current on browser APIs and security standards.

Lead threat detection and response efforts: research adversary behavior, monitor environments, respond rapidly to incidents, develop SIEM/SOAR use cases and playbooks, perform forensics, automate detection/remediation, produce reports, and mentor junior analysts.

Lead assessment and advisory engagement across data protection domains (cryptography, DLP, data asset protection). Identify AI-enabled use cases, evaluate feasibility and controls, define target operating model and roadmap, produce executive findings and lead knowledge-transfer workshops with stakeholders.

Hands-on Staff Security Engineer to build and operate DevSecOps capabilities: automate security controls, harden AWS/cloud and CI/CD, improve supply-chain security, build detection/response tooling, partner with engineering for secure design, and lead incident response and compliance automation.

Design and build secure native iOS applications using Swift/Objective-C and C/C++. Implement intuitive UIs with SwiftUI/UIKit, apply MVVM/Clean Architecture, and ensure secure networking, cryptography, Keychain use, and hardened release pipelines. Collaborate with security experts and integrate automated security scans into CI/CD.

Design, develop, and implement secure, scalable cloud systems (Azure/AWS); perform system engineering, risk assessments, and NIST-compliant ATO/ATD processes; manage secure data ingestion and orchestration; integrate AI/ML concepts; secure communications and network infrastructure; present technical findings to senior USG leadership and provide hands-on support.

Evaluate and strengthen AI model behavior on cybersecurity topics by writing expert prompts, annotating and grading model responses for accuracy and safety, and applying structured guidelines to classify sensitive content. Work part-time on AI safety tasks with emphasis on secure, responsible handling of dual-use information.

Build and maintain cloud-native security platforms across AWS and Kubernetes. Integrate security into CI/CD pipelines, implement automated scanning, monitoring, and remediation, manage IAM, WAFs, and container security, support compliance, vulnerability management, and incident response, and evaluate new security technologies to strengthen platform posture.

Lead Cyber Risk Advisor monitors and analyzes customer vulnerability and asset risk using the Qualys TruRisk Platform, researches threats and exploits, produces reports and executive briefings, tracks remediation, escalates high-risk findings, supports onboarding, and contributes to playbooks and process improvements to reduce enterprise cyber risk.

Lead product strategy and execution for OneSpan's Passkey Solution, translating FIDO2/WebAuthn/CTAP2 standards into roadmap and features. Drive go-to-market, pricing, KPIs, cross-functional alignment, customer and analyst advocacy, and market expansion across banking, fintech, and enterprise while monitoring regulatory and AI-driven fraud trends.