Top Cyber Security Jobs in Jacksonville, FL

Plan and execute offensive tests across web apps, APIs, networks, and cloud; retest fixes; scope and oversee engagements; produce actionable reports and metrics; collaborate with engineering, security, and GRC; evolve playbooks and tooling; mentor team members and incorporate adversary-focused threat modeling and detection feedback.

Design, implement, and validate scalable endpoint security controls across Mac, Windows, and Linux. Lead patch and vulnerability management, host hardening, exploit validation, and threat-prioritization. Evaluate build vs. buy options, collaborate cross-functionally, translate technical risk to business impact, and provide business-hours operational support with infrequent incident response.

Develop, implement, and maintain the banks enterprise information security program. Independently assess first-line security risk management, regulatory compliance, incident response, and control effectiveness. Oversee security governance, policy, KRIs, business continuity, and third-line coordination. Provide unfiltered reporting and challenge to executive management and the Board and lead post-incident reviews and resilience testing.

Design, build, and operate runtime provisioning and secure transport systems to authenticate Netflix client applications at scale. Collaborate with client engineering across devices and platforms, apply applied cryptography and attacker mindset to validate controls, and take end-to-end ownership from design through in-field impact while balancing security and product tradeoffs.

Provide engineering-first customer support for security, privacy, and assurance tooling. Triage and resolve authentication and access issues, build automation and runbooks, maintain support tooling, and improve developer experience. Use Generative AI responsibly to accelerate triage, documentation, and automation while advocating for customers and collaborating with product and engineering partners.

Architect and implement system-level security for Open Connect edge and gaming appliances across hardware (FPGA, BMC, BIOS/UEFI), kernels and dual OS (FreeBSD/Linux). Improve platform integrity (measured/secure boot, BMC controls), triage system-level vulnerabilities, build low-level tooling and automation, and partner cross-functionally and with vendors to harden binary ingestion and execution.

Own protocol and cryptographic foundations for Netflix Open Connect edge appliances. Design and implement security primitives, optimize crypto/transport for performance, build DoS mitigations, conduct vulnerability research, and partner cross-functionally to deploy end-to-end security controls across delivery infrastructure.

Serve as a public-facing Web3 security researcher: engage the community via social media, speak at conferences, give interviews, collaborate cross-functionally with CertiK teams, and support marketing and product feedback while performing technical Web3 security work.

Lead and perform application and network penetration tests, source code and cloud security reviews, and produce clear pentest reports. Research and develop pentesting tools/methods for blockchain and Web3, contribute to community content, and support client security engagements.

Perform smart contract and protocol audits, consult with external blockchain teams on remediation, conduct security research, and build internal security tools and methodologies to protect Web3 projects and clients.

Develop and optimize LLM-driven AI agents to automate smart contract security audits. Collaborate with blockchain security teams to research, prototype, and productionize threat detection, risk assessment, and automated vulnerability analysis for blockchain environments.

Perform end-to-end blockchain security services including consulting, manual code reviews and audits of smart contracts and protocols (Solidity, Go, Rust), threat modeling, property-based and gas-related testing, penetration testing, and deliver detailed security assessments to clients.

Perform guided audits of smart contracts, blockchain protocols, and dApps to identify and remediate vulnerabilities. Contribute to security tooling and research, explore attack vectors, and support process and methodology improvements under senior guidance.

Perform smart contract and blockchain audits to find and analyze vulnerabilities, define attack models, extract exploit characteristics to build feature-analysis tooling, and research/adopt analysis tools and emerging blockchain security technologies.

Serve as a senior security operations advisor: lead incident response, tune detection tooling (SIEM/SOAR/XDR/EDR), apply identity-centric and Zero Trust controls, advise product/R&D on secure-by-design, document runbooks and metrics, automate tasks, mentor teammates, and communicate findings across technical and non-technical stakeholders.

Own outbound field motion for Identity Threat Protection launch, validate messaging in live deals, synthesize field intelligence into product recommendations, run adoption diagnostics, and provide technical escalation support for complex identity situations.

Lead proactive threat hunts and complex incident investigations across cloud and SaaS (AWS, Azure, GCP, Okta, M365). Convert intelligence into hunt leads, detections, and customer narratives; triage alerts, mentor peers, and act as Incident Commander when needed. Leverage automation and AI to scale detection and response and drive improvements to processes and tooling.

Revenue-facing Sales Engineer who drives enterprise deals by delivering narrative-driven demos, co-owning sales cycles with AEs, defining POVs, multithreading technical and executive stakeholders, surfacing compelling events, translating technical risk into business outcomes, influencing product roadmap, enabling partners, and maintaining disciplined pipeline hygiene. Must stay current on cloud, SaaS, identity attack surfaces and SecOps trends.

Act as primary technical advisor in enterprise SLED sales cycles: run technical discovery, lead architecture-level conversations, deliver demos, own Proof of Value outcomes, and drive customer satisfaction for email and identity-focused security solutions.

Lead messaging, positioning, and go-to-market for core AI-native security products. Drive product launches, sales enablement, demand generation content, customer research, and analyst/customer-facing evangelism to accelerate pipeline and revenue.

Sell enterprise cybersecurity solutions to public sector and critical infrastructure clients. Build CxO relationships, manage full sales cycle from pipeline generation to close, collaborate with partners and services, meet revenue and margin targets, and maintain technical knowledge of cybersecurity products and market dynamics.

Support pre-sales and post-sales technical engagements for Keeper's DevOps-focused cybersecurity products. Conduct technical discovery, demos, trials, integrations, and level-2 support for CI/CD, container, and cloud-native environments. Act as DevOps SME, collaborate with sales and engineering, produce technical training, maintain Salesforce records, and travel to customer meetings as needed.

Lead design, implementation, upgrade, and migration of CyberArk PAM solutions across client environments. Conduct discovery workshops, onboard privileged accounts, integrate CyberArk with SIEM/ITSM/IAM via APIs, create custom connectors and PSM plugins, produce documentation, manage project delivery, troubleshoot production issues, and mentor junior engineers.

The Exposure Management Engineer optimizes and automates security platforms, manages vulnerabilities and exposure findings, and coordinates with client teams for remediation workflows.

Lead technical sales and partner enablement for strategic channel partners in cybersecurity. Own the enablement, POC model, and partner relationships, producing technical collateral and driving partner-sourced revenue.