Top Senior Cyber Security Jobs in Jacksonville, FL

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.

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.

Design and implement multitenant workload and network isolation for bare-metal and virtualized GPU infrastructure. Harden Linux kernel and container runtimes, perform threat modeling and penetration testing, write low-level security code (C/Go/Rust), mitigate GPU and PCIe security risks, and lead incident response and forensic work for ephemeral container environments.

Secure customer-facing products, APIs, and internal services through threat modeling, architecture and code reviews. Remediate vulnerabilities by coding fixes in Python/Go/JS/TS. Build and manage SAST/DAST/SCA security pipelines in CI/CD. Configure WAFs, API gateways, and bot protection. Provide secure coding guidance, run bug bounty triage, and support compliance (SOC 2, ISO 27001, GDPR).

As a Sr. Product Security Engineer, you will focus on network security, identifying gaps, architecting solutions, and leading cross-functional security initiatives.

Lead architecture and scaling of an automated, AI-driven vulnerability detection and remediation platform across cloud, containers, and applications. Correlate SAST/DAST/SCA findings, implement AI-assisted triage, run red/purple team validation, and build automated remediation pipelines integrated into CI/CD for continuous compliance and risk reduction.

Lead federal cloud security and compliance efforts to achieve and sustain ATOs. Implement and automate FedRAMP/IL-5/RMF controls, manage continuous monitoring, coordinate 3PAO audits, drive cloud security architecture, oversee change control/SCRs, and lead incident response and POA&M remediation using AI-enabled automation and monitoring across high-security GovCloud environments.

The Staff Product Security Engineer will enhance security in product development, conduct threat modeling, review code, automate processes, and advise on security requirements.

Lead and grow a security engineering team to design and operate cloud-native security controls, drive DevSecOps practices, conduct threat modeling and incident response, partner cross-functionally on security roadmaps, and ensure compliance with frameworks (NIST, SOC 2, ISO, etc.). Responsible for vulnerability management, identity and access controls, observability/SIEM, and security automation.

The Security Engineer will manage Liftoff's SIEM, lead the adoption of AI-augmented SOC tools, triage alerts, and improve incident response processes while collaborating on various security functions.

Lead and grow a remote Security Detection & Response team, build detection engineering and observability systems, drive telemetry onboarding, Panther and MITRE-aligned detections, Python automation, CI/CD workflows, and AI-assisted triage. Own incident response, investigations, cross-functional collaboration, and measurement of detection effectiveness.

Assess and harden software supply chain security by performing technical assessments, designing and implementing security controls and monitoring for build pipelines, investigating systems for vulnerabilities, creating tooling to address gaps, and leading cross-team projects to improve CrowdStrike's product security posture.

Lead detection, response, and digital forensics for security incidents. Monitor alerts, perform technical analysis, act as Incident Commander, build automation and runbooks, mentor engineers, and coordinate cross-team investigations and insider threat work.

Lead AppSec efforts across product, platform, and AI features by owning secure SDLC, performing threat modeling and deep code reviews, driving vulnerability management and remediation, building AppSec tooling and automations (including AI-assisted workflows), and enabling engineering teams with secure design guidance and training.

The Security Software Engineer will design and implement security controls for MongoDB Atlas, collaborating across engineering teams and ensuring adherence to high security standards.

Lead planning, deployment, tuning, and operational support of CrowdStrike Falcon's AI/ML detection and response capabilities. Implement and optimize ML models, develop automation playbooks and Falcon API integrations, troubleshoot AI-related issues, support incident response and threat hunting, and deliver customer workshops and collateral. Up to 25% travel.

The Senior Site Reliability Engineer will lead security design and implementation for cloud infrastructures, mentor teams, and automate security solutions.

Lead competitive intelligence for CrowdStrike's cloud security portfolio, analyzing competitors' technical capabilities and market positioning. Provide deal support, win/loss analysis, and actionable guidance to Product, Sales, and senior leadership. Develop competitive materials, readiness plans, and recommendations to influence product strategy and GTM. Work autonomously and collaborate cross-functionally globally.

Sell Zscaler's data security portfolio (DLP, CASB, DSPM) to commercial accounts. Act as the specialist for customers and partners, build account-based strategies, collaborate with solution engineers and sales leadership, and close complex deals with stakeholders from technical practitioners to C-suite.

Lead product vision and strategy for security operations services, defining outcomes for managed investigation, response, threat hunting, and advisory services. Partner with customer security ops, product, and marketing teams to deliver AI-driven, automated features, represent Zscaler to customers, and drive measurable security outcomes and operational alignment.

As a Security Architect, you will build secure agent runtimes and systems, ensuring robust security capabilities in agentic AI solutions while conducting security evaluations.

The role involves managing the security incident response team, handling incidents, coaching team members, and improving security processes, aiming for operational excellence in threat response.

The Senior Security Engineer will design secure development lifecycles, integrate security tools, lead remediation of security issues, and mentor teammates, ensuring systems resilience and security across DraftKings.

Lead planning, deployment, tuning, and operational support of CrowdStrike Falcon's AI/ML detection and response capabilities. Implement and troubleshoot AI-driven detection models, automation playbooks, API integrations, and threat-hunting for customers. Provide training, mentorship, and customer-facing collateral while optimizing detection efficacy and integrating Falcon into customers' security workflows.

The Senior Security Engineer will assess application security for AI systems, focusing on prompt injection techniques, threat modeling, and client training on AI security topics.