Top Cyber Security Jobs in Austin, TX

Leads enterprise security engineering across tools, cloud environments, identity, vulnerability management, incident response, compliance, and security operations. Oversees SIEM, endpoint, email, privileged access, and network security technologies; coordinates investigations, assessments, remediation, and managed security providers. Leads a three-person security team, mentors staff, improves workflows through automation, and communicates technical risks to leadership and clinical stakeholders.

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.

Leads technical security engagements involving presentations, demonstrations, workshops, architecture design, and production-ready pilots. Designs and proves Microsoft and third-party cloud security, compliance, privacy, XDR, zero trust, and data protection solutions. Collaborates with sales, consulting, and partner teams, resolves technical and competitive blockers, influences strategy, and guides customer implementations. The role requires strong technical pre-sales or consulting experience and expertise in cloud, hybrid, and on-premises infrastructure.

Own end-to-end product security for an internet-connected battery fleet spanning hardware, firmware, software, and cloud. Responsibilities include threat modeling, design reviews, device identity, provisioning, code and OTA signing, authentication, certificate lifecycle, vulnerability analysis, attacker-oriented testing, security standards, tooling, and technical assessments for utility and certification engagements.

Designs and hardens security controls for autonomous vessel fleets across embedded edge systems, vessel networks, and cloud orchestration. Responsibilities include secure boot, hardware roots of trust, cryptographic identity, mutual authentication, key management, secure updates, NixOS hardening, dependency vulnerability management, container security, CI/CD security, threat modeling, and incident response. The role collaborates with autonomy, platform security, manufacturing, field, enterprise security, and application security teams.

Provides consultative pre-sales cybersecurity engineering for email security solutions. Leads customer discovery, assesses security architectures, designs solution proposals, delivers demonstrations and technical presentations, supports proofs of concept, collaborates with vendors, enables sales teams, and transitions closed opportunities to delivery teams. Focus areas include secure email gateways, phishing and BEC protection, API-based security, DLP, advanced threat protection, and hybrid cloud environments.

Part-time remote cybersecurity internship supporting presales, client engagement, technical writing, labs, certifications, and vendor solution research. Interns shadow consultants, build networking and security skills, practice explaining technical concepts, and gain exposure to SIEM, vulnerability scanning, endpoint security, cloud, and CTF platforms. The role requires foundational cybersecurity knowledge, self-directed learning, communication skills, and availability for 20–29 hours weekly during Central Time business hours. It may lead to full-time employment near Tulsa, Oklahoma.

Leads multiple engineering teams delivering customer-facing cybersecurity products. Sets technical direction and strategy, partners with Product Management, mentors engineering managers and engineers, establishes performance metrics, manages cross-organizational projects, hires engineering talent, and drives continuous improvement while fostering an empathetic, results-oriented engineering culture.

Lead identity and access management implementations for federal and enterprise customers. Responsibilities include IAM solution design, architecture, deployment, integration, testing, troubleshooting, documentation, customer workshops, and knowledge transfer. The consultant provides technical leadership, advises stakeholders on authentication and identity governance, collaborates across project teams, and mentors junior consultants. The role requires extensive IAM consulting experience, strong security technology knowledge, active Top Secret clearance with full-scope polygraph, and customer-facing technical leadership.

Lead security reviews, code audits, penetration testing, vulnerability research, and mitigation efforts for Microsoft Windows services. Develop reusable security tools and agents, identify attack vectors and architectural risks, demonstrate exploit impact, and collaborate with product engineering teams to design scalable defenses and improve security investments.

Own infrastructure security for LiveKit’s production platform. Map cloud security posture, prioritize and remediate infrastructure risks, harden IAM, secrets, networks, tenant isolation, and media storage, and build secure infrastructure-as-code guardrails. Partner with compliance teams on PCI-DSS and ISO 27001 controls and automate audit evidence. The role requires cloud, Kubernetes, Terraform, scripting, and production infrastructure security experience, with AI security and real-time media experience preferred.

Secure Windows products and devices through offensive security research, code and design reviews, penetration testing, vulnerability discovery, fuzzing, and mitigation development. Build reusable security review tools, identify vulnerabilities in operating system features and native applications, collaborate with Windows engineering teams on durable defenses, engage security researchers, and communicate the business value of security investments.

Designs, implements, and oversees security architectures for federal systems, including zero-trust and cloud environments. Leads secure system design, control integration, detection and response architecture, and alignment with NIST and FISMA requirements. Collaborates with SOC analysts, incident responders, engineers, and leadership to build resilient, scalable security operations environments.

Provides customer-facing cybersecurity expertise during presales engagements. Consults with CIOs, CISOs, security engineers, and procurement teams; educates sales teams; develops cybersecurity collateral, use cases, and service offerings; supports solution scoping and statements of work; and demonstrates security technologies including DLP, DSPM, DDR, and file encryption. The role requires strong cybersecurity knowledge, presales consulting experience, security framework familiarity, product expertise, and up to 20% travel.

Lead DigitalOcean’s AI/ML security strategy, architecture, governance, and multi-year roadmap. Build security controls, guardrails, tooling, and automations; oversee AI red teaming, adversarial testing, threat modeling, and model monitoring. Review AI product architectures, guide high-risk decisions, establish responsible AI policies, and brief executives and the board on AI security risks. Serve as the internal expert and external representative on emerging AI security topics, including agentic AI, model supply chains, prompt injection, and data integrity.

Provides customer-facing presales cybersecurity expertise focused on OT and IoT environments. Advises executives, security teams, and procurement stakeholders; develops security services, sales collateral, use cases, system and network diagrams, and lab demonstrations. Educates sales teams, stays current on security technologies and trends, and supports consultative solution engagements involving industrial protocols, asset visibility, traffic analysis, segmentation, cloud security, and security frameworks.

Lead cryptographic security assessments of protocols, libraries, applications, and high-assurance systems. Analyze advanced cryptographic constructions, identify design and implementation weaknesses, validate exploitability, and recommend remediation. Build testing and analysis tools, manage client delivery, write precise technical reports, mentor engineers, contribute to methodologies and services, and support open-source research and technical publications.

Designs and operates controlled cyber-capability evaluations for frontier AI models and agentic systems. Builds vulnerable applications, cyber ranges, exploit-development targets, and evaluation harnesses; runs experiments; collects telemetry; analyzes model behavior and evaluation artifacts; and documents security findings. The role also develops sandboxing, containment, access, and secrets-management controls while collaborating with red-team operators, researchers, engineers, and Responsible AI stakeholders.

Designs, implements, and optimizes enterprise, cloud, and operational security controls. Responsibilities include managing firewalls, SIEM, EDR, SOAR, IAM, vulnerability assessments, penetration testing, incident response, security monitoring, architecture documentation, compliance alignment, and remediation support. The role collaborates with IT, DevOps, and security teams to improve detection, response, resilience, and audit readiness.

Leads technical pre-sales engagements for Microsoft security and compliance solutions. Designs architectures, delivers presentations, demonstrations, workshops, pilots, and proof-of-concept solutions focused on XDR, zero trust, cloud security, Purview, data protection, governance, privacy, and compliance. Partners with sales, consulting, and internal and external technical teams to resolve blockers, influence competitive strategy, and help customers implement Microsoft and third-party cloud security technologies.

Designs and advances security architecture for Microsoft’s enterprise productivity environment. The role assesses evolving risk, analyzes systems and telemetry, develops reusable security patterns and tooling, partners with engineering teams on deployment, communicates risk and tradeoffs, and establishes priorities and roadmaps amid incomplete information.

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.

Lead enterprise security architecture across software procurement, on-premises data centers, networks, infrastructure, identity, encryption, privileged access, and zero-trust design. Establish security standards, conduct practical third-party software and SaaS reviews, support cloud and application security architects, identify cross-domain gaps, and advise executives and engineering teams. The role requires broad cybersecurity expertise, regulated-industry experience, and strong risk-based decision-making.

Secure and maintain ServiceNow platforms across federal environments by implementing NIST, RMF, FedRAMP, and security hardening controls. Manage ATO packages, SSPs, POA&Ms, vulnerability remediation, monitoring, SIEM integrations, access governance, incident response, audits, configuration baselines, and secure ServiceNow development. Collaborate with platform teams, assessors, auditors, and system owners while reporting security posture metrics and leading security capability rollouts.

Design, administer, optimize, and support enterprise endpoint security platforms across a global environment. The role develops security baselines, hardening standards, automation workflows, and detection capabilities; investigates security events; supports incident response; evaluates security technologies; and partners with Cyber Operations, Infrastructure, Desktop Engineering, Identity, and DevOps/SecOps teams. Responsibilities include managing EDR, PAM, firewall, device control, API integrations, and security projects while improving overall endpoint security posture.