Top Senior Cyber Security Jobs in Austin, TX

Lead development of security enforcement integrations that warn or block unsafe AI artifact installations, serve sanitized alternatives, and record audit events. Build reliable event-driven backend systems with queues, webhooks, idempotency, retries, back-pressure, approval flows, dry runs, audit logs, and rollback mechanisms. Integrate third-party security, infrastructure, and identity APIs, with potential future work on fleet-wide revocation controls and security platform integrations.

Leads information security architecture and program initiatives across IT and business projects. Provides security consulting, develops enterprise data, network, and application protection requirements, conducts threat analysis, vulnerability assessments, penetration testing, and remediation planning. Researches emerging threats and technologies, supports control testing and incident response, and guides security team members. Requires extensive information security leadership, application and network security expertise, secure architecture knowledge, and strong communication skills.

Lead AI security strategy and guardrails, design and review AI gateways and tooling, scale InfoSec review processes, reduce AI-driven security noise, drive remediation and investigations, and mentor security and platform engineers.

Leads and coordinates MultiCare’s information security program, protecting internal IT, e-commerce, web, and cloud systems. Responsibilities include defining security policies and standards, deploying technical controls, strengthening cyber resilience, evaluating emerging security technologies, assessing threats and business impact, implementing incident detection and alerting strategies, designing breach countermeasures, and ensuring compliance with security regulations and privacy laws.

Designs and implements secure cloud architectures, IL5 controls, STIG-aligned hardening baselines, identity integrations, and cybersecurity controls for federal and DoD-aligned platforms. Performs security assessments, vulnerability analysis, continuous monitoring, secure deployment reviews, audit support, and remediation planning. Requires expertise in AWS, NIST, RMF, PKI, SIEM, and cloud security, along with mentoring junior engineers and documenting technical architectures. The role is fully remote but requires an active Top Secret clearance and substantial security engineering experience.

The Senior IT Security Engineer strengthens cybersecurity across architecture reviews, AI and emerging technology assessments, IAM governance, vulnerability management, third-party risk, security assurance, incident response, phishing simulations, automation, and regulatory compliance. The role validates security controls, supports remediation, develops risk metrics and reporting, oversees identity platforms, and partners with technology, business, audit, compliance, procurement, and vendors in a regulated banking environment.

Leads the design, implementation, and operation of information security controls across systems, networks, endpoints, and cloud environments. Responsibilities include SIEM/MDR, EDR/XDR, SOAR, vulnerability management, PAM, Zero Trust, incident response, data protection, DLP, and cloud security. The role collaborates with IT, Privacy, Compliance, and application teams, mentors engineers, supports security architecture and SDLC practices, and may provide periodic on-call incident response support.

Build Ent’s endpoint data-protection layer for classifying sensitive data, tracing provenance, and enforcing egress policies across devices, applications, networks, removable media, browsers, and AI tools. Develop cross-platform interception and content inspection capabilities, integrate on-device language models, optimize performance, produce forensic evidence, investigate compatibility issues, and improve detection precision for enterprise customers.

Architects and maintains cybersecurity infrastructure, policies, standards, and compliance programs. Leads vulnerability reviews, remediation, risk assessments, incident response, forensic investigations, security audits, and regulatory compliance efforts. Develops security strategies, certification methodologies, monitoring plans, and disaster recovery/business continuity architectures. Coordinates security implementations across IT and business departments, reports to the CISO, and promotes security awareness and training.

The Staff Security Engineer will lead technical security initiatives, own architectural security decisions, mentor engineers, and align teams on security strategy while ensuring system integrity and compliance.

Designs, engineers, and operates network security solutions including Palo Alto, Cisco FTD, Fortinet, Radware, Cisco ISE, firewalls, DDoS appliances, VPN, NAC, and cloud-native AWS firewalls. Develops automation using Python or Perl and APIs, troubleshoots complex security issues, hardens platforms, manages firewall requests and logging, and maintains security standards and documentation. The role requires collaboration, technical communication, and up to 10% travel.

Designs, implements, and maintains enterprise IAM solutions across hybrid on-premises and cloud environments. The role drives Zero Trust modernization, identity automation, access governance, privileged access controls, threat monitoring, and automated response. Responsibilities include evaluating security technologies, mitigating identity risks, supporting compliance and audit readiness, and establishing security standards. The engineer collaborates with infrastructure, application, and security teams and participates in rotational on-call, weekend, and holiday support.

Leads exposure management and vulnerability management across cloud, hybrid, SaaS, applications, APIs, certificates, domains, and shadow IT. Identifies, validates, prioritizes, and reports vulnerabilities, misconfigurations, leaked data, and other cybersecurity risks. Designs and implements security solutions, supports remediation and penetration testing, integrates threat intelligence, advises on security architecture, and mentors team members. Requires advanced cybersecurity expertise, cross-functional collaboration, and knowledge of security frameworks and technologies.

Lead enterprise network segmentation projects using Guardicore Micro Segmentation across data center and cloud environments. Responsibilities include architecture design, project planning, installation, integration, configuration, policy deployment, documentation, customization, training, optimization, and troubleshooting. The role partners with customers, Support, and Engineering teams to deliver successful implementations and improve post-sales satisfaction.

Leads cybersecurity solutions engineering for government and education customers across managed security, network monitoring, cloud security, and related services. Provides technical discovery, solution design, demonstrations, proofs of concept, onboarding, deployment guidance, escalations, and post-sales support. Partners with sales and technical account teams, mentors engineers, develops enablement materials, informs product strategy, identifies expansion opportunities, and manages customer activity in Salesforce.

Secure Agora’s applications, APIs, cloud infrastructure, Kubernetes workloads, deployment pipelines, and blockchain-related systems. Responsibilities include threat modeling, architecture and code reviews, security tooling administration, detection engineering, monitoring, incident response, vulnerability management, penetration-test coordination, security automation, and cross-functional remediation. The role partners closely with Engineering, Product, Infrastructure, Compliance, Operations, and the SOC to improve controls, telemetry, response readiness, and security risk visibility.

Leads a distributed team securing NVIDIA DGX Cloud’s large-scale GPU infrastructure. Responsibilities include hiring and developing engineers, setting strategy for security control planes and foundational services, delivering measurable risk reduction, maintaining engineering standards, communicating security risks to executives, and collaborating with platform, SRE, networking, and security teams. The role requires strong engineering management, infrastructure or security expertise, cloud-native fluency, and influence across partner organizations.

Leads and supports offensive security consulting engagements, including network, web application, wireless, social engineering, red team, and purple team testing. Evaluates controls and security configurations, performs cybersecurity assessments, recommends remediation, and presents findings to technical and executive stakeholders. Supports client program execution, metrics, issue remediation, and continuous improvement. Mentors junior consultants and contributes to cybersecurity practice development, methodology innovation, and thought leadership.

Leads Ferguson’s enterprise Security Engineering function, including vulnerability management, DevSecOps, penetration testing, application and cloud security, endpoint and email protection, edge security, configuration management, and security tooling. Builds and develops technical teams, establishes roadmaps and metrics, prioritizes risk-based remediation, oversees vendors and service operations, and communicates security posture and investment needs to executives and technology partners.

Leads enterprise cybersecurity architecture for AI, cloud, hybrid, and on-premises environments. Designs secure AI architectures, cloud foundational controls, zero-trust identity models, API and data protections, and secure LLM, RAG, agent, and MCP integrations. Establishes governance, reusable security patterns, model-usage procedures, compliance controls, and audit readiness across AWS and Azure. Advises executives and technical teams, mentors security professionals, and drives secure cloud migrations while addressing AI/ML risks such as adversarial attacks, model poisoning, data drift, bias, and data leakage.

Design, implement, and maintain secure system architectures; translate RMF control baselines into implementable security requirements; analyze vulnerability/scanning results and drive remediation; provide security engineering input for cloud, Zero Trust, containerization, and CI/CD; maintain security artifacts and tooling; mentor junior staff and support authorization (RMF) activities to strengthen enterprise security posture.

Lead assessments, design secure infrastructure and controls, implement scalable security solutions, operate and administer enterprise security tools, drive vulnerability management, incident response, and risk analysis, and report security posture to stakeholders and senior leadership.

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.

Lead security architecture for a secure multi-cluster service mesh platform. Design authentication, authorization, tenant isolation, encryption, credential lifecycle, and service-to-service trust. Establish secure development patterns, threat modeling, testing, security quality gates, incident response, vulnerability discovery, and compliance practices. Implement and review Go and gRPC security systems, mentor engineers, guide technical direction, and collaborate with customers and cross-functional teams. Requires international travel to the Middle East and geopolitical hot zones up to 25% annually.

Own security and infrastructure for a fintech payments platform, with security comprising roughly two-thirds of the role. Responsibilities include cloud and application security, IAM, secrets management, threat modeling, detection engineering, incident response, vulnerability management, compliance, privacy, CI/CD, infrastructure as code, observability, reliability, backups, disaster recovery, and on-call operations. The role reports to the CTO and will establish the security function as the company’s founding security hire.