Top Senior Cyber Security Jobs in Jacksonville, FL

Administers Microsoft Defender services for a DoD customer, monitoring endpoint security, EDR, NGAV, attack-surface reduction, cloud protection, SIEM integrations, cross-platform controls, WDAC, DLP, compliance reporting, and security dashboards. Escalates anomalies, maintains policies and procedures, investigates alerts, and supports Windows, Linux, and mobile-device protection. Requires cybersecurity experience, Microsoft security expertise, DoD compliance knowledge, Security+ certification, and an active Secret clearance.

Lead enterprise AI security architecture, strategy, governance, and secure-by-design implementation across cloud, hybrid infrastructure, software, and AI/ML environments. Design security patterns for LLM hosting, agentic systems, vector databases, and inference endpoints; translate regulatory requirements into technical standards; review complex architectures; implement AI security guardrails and policy enforcement; advise engineering and product teams; and mentor teams while influencing senior stakeholders.

Supports client engagements focused on cryptographic risk, post-quantum readiness, encryption modernization, PKI, and key lifecycle management. Responsibilities include cryptographic asset discovery, inventory development, risk analysis, PKI and TLS assessments, PQC migration planning, remediation tracking, standards alignment, client workshops, documentation, and presenting findings to technical stakeholders.

Conduct proactive security reviews of features, architectures, integrations, and AI/ML systems. Lead threat modeling, design reviews, secure SDLC practices, vulnerability remediation, AI security governance, incident response exercises, and security automation. Support SOC 2 and ISO 27001 programs, collaborate with consultants on penetration testing and vendor assessments, and influence engineering teams on security without owning their roadmaps.

Lead the engineering modernization of enterprise data protection and DLP capabilities across cloud, SaaS, endpoints, email, and collaboration platforms. Build automated Policy-as-Code workflows, CI/CD pipelines, reusable controls, integrations, detection logic, guardrails, and operational metrics. Partner with technical, compliance, privacy, legal, and business teams to improve security effectiveness, reduce false positives, automate governance, investigate events, and demonstrate measurable risk reduction.

Lead the maturation of Ontic’s AWS cloud security program by designing and automating security controls, integrating security into CI/CD workflows, improving cloud monitoring and detection, and developing continuous evidence collection for FedRAMP and other compliance initiatives. Partner with Engineering and DevOps teams on secure architecture, cloud best practices, regulated SaaS environments, and measurable security improvements.

Lead pre-sales security architecture engagements by designing and validating defense-in-depth solutions across hybrid, cloud, application, identity, endpoint, network, and data environments. Conduct security assessments, create remediation roadmaps, integrate security platforms, and support DevSecOps, SOC, detection engineering, incident response, compliance, and risk programs. Collaborate with sales, engineering, clients, and executive stakeholders to communicate technical trade-offs and deliver scalable enterprise security strategies.

Leads DLP security operations across endpoint, network, SaaS, and cloud environments. Responsibilities include deploying and tuning DLP controls, investigating data exfiltration incidents, developing data classification policies, automating alert response playbooks, threat hunting for anomalous data movement, managing incident remediation, and tracking DLP effectiveness metrics. The role also supports incident response and vulnerability management and partners with stakeholders to balance security, usability, and regulatory requirements.

Design, develop, and maintain secure Linux endpoint privilege-management capabilities across Rust, C, and .NET. Build kernel-facing agents, PAM modules, privileged services, authentication and authorization workflows, systemd services, and Linux packages. Troubleshoot low-level security and execution issues involving permissions, SELinux, AppArmor, and race conditions. Collaborate with engineering and QA teams on architecture, testing, production support, and cross-platform functionality while using AI-assisted development tools.

Designs, implements, and operates SASE and ZTNA architecture across GCCH and commercial environments. Owns identity-driven access controls, session management, telemetry, compliance mapping, dashboards, and audit evidence. Serves as the senior escalation point for incidents, performs root-cause analysis, integrates device posture and SOAR workflows, develops AI-enabled automations, collaborates with identity, network, compliance, and vendors, and mentors junior engineers.

Design, develop, and maintain Windows-focused PAM components including services, agents, and RDP handlers. Integrate with Windows APIs, authentication and privilege models, implement secure credential handling and policy enforcement, collaborate with backend teams, perform code reviews, and troubleshoot complex Windows OS and enterprise configurations.

Assess and mitigate security risks across applications, systems, and networks. Perform security assessments, incident investigations, and compliance work (NIST 800-53/800-171). Design and deploy mitigations, provide security guidance, and build automation, scripts, and tools to improve detection and response.

Owns the company-wide IT and cybersecurity program, including SOC 2 compliance, cloud security, penetration-test remediation, business continuity testing, endpoint management, access controls, onboarding and offboarding, AI security governance, vendor reviews, security training, incident response, and employee IT support. The role partners with engineering, HR, Finance, leadership, auditors, and healthcare customers while managing security across AWS, Heroku, Cloudflare, Google Workspace, GitHub, and related tools.

Build and automate security infrastructure across AWS and Kubernetes, including cryptographic material lifecycle, telemetry pipelines, policy-as-code, compliance monitoring, and incident-response tooling. Develop agentic AI workflows using coding assistants, MCP integrations, and custom harnesses. Apply threat modeling and secure architecture review while partnering with engineering, risk, auditors, vendors, and clients. The role emphasizes production software, cloud-native automation, continuous control monitoring, and eliminating manual security toil.

Build and operate a reliable security platform across hundreds of AWS environments. Responsibilities include security telemetry and OpenSearch infrastructure, GitOps deployments, Kubernetes and AWS security controls, cross-account and multi-region architecture, Python automation, and agentic AI workflows. The role participates in on-call support, security incident enablement, audit evidence automation, and reliability improvements while collaborating with Security Operations, Risk, and SRE teams.

Lead alliance and technical product marketing: build joint positioning and go-to-market enablement with strategic partners, own competitive intelligence and technical differentiation, create content and launch programs that drive pipeline and inform product and GTM strategy.

Lead design and implementation of security controls, drive audit readiness across multiple frameworks (FedRAMP, SOC2, ISO, CMMC), gather audit evidence, liaise with auditors and government officials, translate compliance into practical controls with engineering/product teams, draft policies, automate compliance processes, and represent the program in customer security reviews.

Lead design and governance of security architecture across cloud and on‑prem environments. Implement cloud and infrastructure controls, drive vulnerability management, perform risk assessments and threat modeling, support incident response and compliance, and provide security guidance to engineering teams to improve enterprise security posture.

Design and execute integration and security-focused test plans for PAM and Keeper Secrets Manager. Validate integrations across cloud providers, IAM, CI/CD, and OS/databases; perform reliability and security testing; analyze logs and defects; contribute to automation and collaborate with engineering, product, and security teams to ensure reliability and compliance.

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.

Secure enterprise data warehouses, ETL/ELT pipelines, and data interfaces for international and government environments. Implement classification-driven controls, manage cross-border data compliance (GDPR, CCPA, LGPD, PIPL), support FedRAMP/FISMA/NIST/CMMC frameworks, secure ingestion and interfaces, enforce least-privilege access, perform risk assessments and incident response, and collaborate with data engineering, legal, and government stakeholders.

Lead design and implementation of secure CI/CD pipelines, IaC automation, cloud security and compliance. Perform vulnerability assessments, monitor environments, manage Kubernetes/Docker, support incident response and disaster recovery, and provide technical leadership and DevSecOps frameworks for enterprise global projects.

Design, implement, and maintain SAP S/4HANA Public Cloud security and role-based access controls. Perform SoD assessments, integrate identity services (IAS/IPS/SSO), support Fit-to-Standard workshops, audit/compliance requests, quarterly releases, troubleshooting, role optimization, and post-go-live support for SAP GROW implementations.

Customer-facing cloud security presales engineer who consults with executives and security teams, develops security services and lab-based use cases, educates sales, creates collateral, and stays current on security technologies and frameworks to support sales engagements.

Lead Togal's security program: own SOC 2 compliance, manage audits and Vanta, respond to customer security reviews, design and lead incident response, evaluate monitoring/MDR/SIEM, tighten cloud security posture, and coordinate breach communications with Legal and executive leadership.