Top Senior Cyber Security Jobs in Jacksonville, FL

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.

Leads cybersecurity competitive strategy and execution, including deal coaching, competitive positioning, win/loss analysis, compete playbooks, field enablement, and cross-functional recommendations for sales, product, engineering, marketing, and partner teams. The role focuses on Google Security, Mandiant, Wiz, and Microsoft Security competitive scenarios, translating market and customer insights into scalable go-to-market motions and product strategy.

Provides proactive technical account management for strategic cybersecurity customers. Responsibilities include customer onboarding, platform training, health checks, issue resolution, escalation management, success planning, knowledge-base development, renewal-risk mitigation, and expansion support. The role serves as a customer advocate while collaborating with support, engineering, and sales teams. Candidates need cloud, application infrastructure, security, incident response, forensics, networking, and cloud architecture expertise, along with strong communication and customer-success skills.

Own and scale LiveKit’s vulnerability management and security operations program. Responsibilities include selecting and operationalizing scanning tools, triaging vulnerabilities, assigning owners, setting remediation SLAs, building remediation dashboards, automating compliance evidence collection, and developing automation to reduce manual security work. The role partners closely with engineering and compliance teams to prioritize risk and accelerate remediation.

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.

Owns compliance documentation and security control narratives for an Agentic AI platform. Responsibilities include authoring System Security Plans, managing POA&Ms, coordinating audit evidence, supporting RMF and ATO activities, maintaining policies and SOPs, and partnering with cloud, platform, and security engineers. The role validates that documentation reflects implemented infrastructure and supports CMMC, FedRAMP, DoD, and NIST-aligned compliance efforts.

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.

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.

Build and lead a scalable application security and secure SDLC program across engineering teams. Establish policies, standards, tooling, vulnerability management, threat modeling, developer enablement, security champions, software supply-chain controls, and executive reporting. Partner with development, platform, DevOps, product, and leadership teams to integrate security into CI/CD, source control, build, release, and deployment workflows while supporting audits, advisories, incident response, and regulatory requirements.

Partner with sales teams to win strategic data security opportunities. Present technical solutions, gather customer requirements, lead product evaluations, configure solutions, and design evaluation test plans. The role requires extensive pre-sales experience, security and networking expertise, data protection and web technology knowledge, and collaboration across matrixed go-to-market and partner teams.

Perform offensive security research and engineering for Windows: discover vulnerabilities, develop PoC mitigations and tools (fuzzers/agents), conduct code and design reviews, partner with product teams, and engage external researchers to improve OS security.

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.

Designs and implements cloud security solutions for Microsoft Azure and Microsoft 365 customers. Leads security architecture discussions, Zero Trust adoption, technical evaluations, implementation planning, troubleshooting, and enterprise security strategy. Advises executives and technical stakeholders on identity and access management, threat protection, cloud security, information protection, and secure-by-design architectures. Collaborates with Microsoft engineering, product, and security teams to remove blockers and orchestrates technical resources to deliver customer outcomes.

Secure software and cloud environments through threat modeling, code review, vulnerability remediation, security automation, detection engineering, and attack simulations. The role partners closely with Engineering, manages Snyk and Docker Scout findings, integrates security into CI/CD, coordinates third-party penetration testing for SOC 2 and HITRUST, and helps define secure architecture for mobile, data lake, AI, and production cloud systems.

Designs and builds secure AWS infrastructure for a regulated SaaS platform. Responsibilities include cloud security architecture, IAM, networking, containers, encryption, logging, monitoring, automated guardrails, risk remediation, reference architectures, and engineering mentorship. The role partners with application security and infrastructure teams to secure AWS environments across design and production, supporting compliance for financial services customers.

Design and lead the application security program centered on Wiz. Automate security throughout the SDLC, including code, dependency, secrets, container, infrastructure-as-code, and release scanning. Establish threat modeling, secure design reviews, and guardrails for AI-assisted development. Improve developer adoption by delivering accurate findings within existing tools, while mentoring the AppSec team and partnering with cloud and AI security architects.

Lead insider risk detection engineering and investigations using EDR/XDR, UEBA, SIEM, and SOAR tools. Refine detection rules, reduce alert noise, close coverage gaps, manage investigations, develop playbooks, document evidence, mentor analysts, and collaborate discreetly with HR, Legal, business leaders, and executives. The role also requires investigative workflow automation using Python or JavaScript and ownership of scalable security processes.

Own Playlist’s technical GRC architecture across multiple compliance frameworks, including PCI DSS, SOC, ISO 27001, HITRUST, and NIST. Design unified control mappings, maintain the Master Control List, manage control and evidence lifecycles, automate evidence collection, and translate requirements into engineering guidance. Build AI-powered GRC workflows for risk quantification, vendor assessment, and compliance monitoring while partnering with Engineering, Legal, Finance, and auditors.

Own Playlist’s technical GRC architecture, including a unified Master Control List, cross-framework mappings, control lifecycles, evidence requirements, and audit automation. Build scalable GRC tooling and AI-powered workflows for risk quantification, vendor assessments, evidence collection, and compliance monitoring. Partner with Security Engineering, Legal, Finance, and product teams to translate regulatory requirements into actionable controls and harmonize compliance across multiple brands.

Owns and strengthens the security posture of cloud-based SaaS and Microsoft 365 environments. Responsibilities include vulnerability management, incident response, cloud and endpoint hardening, identity and data protection, secure configuration, monitoring, compliance evidence, customer security reviews, and risk management aligned with HITRUST, HIPAA, NIST, and related frameworks.

Designs, implements, configures, and supports enterprise cybersecurity solutions across IAM, endpoint, network, email, application, cloud, and security awareness domains. Conducts vulnerability assessments, threat hunting, incident investigation, security tool tuning, policy development, and security architecture reviews. Serves as a security subject matter expert on technology projects, collaborates with an MSSP, provides incident escalation support, and maintains availability for critical security operations.

Lead and own the enterprise SSPM program: implement and manage SSPM platform, onboard SaaS apps, tune controls, integrate with SIEM/SOAR/ITSM/identity, perform threat modeling and risk assessments, drive remediation, support compliance mapping, report metrics, and partner across cyber, IT, risk, and business teams to reduce data exposure and improve SaaS security posture.

Lead end-to-end SIEM platform engineering and operations, owning roadmap, platform resilience, regulatory and audit compliance, and expansion of detection, telemetry onboarding, and vendor delivery. Manage multidisciplinary teams, budgets, governance, and stakeholder engagement to ensure secure, scalable security monitoring for the bank.

Own the strategy, roadmap, delivery, and lifecycle of enterprise data security products. Lead data governance, discovery, classification, DLP, access governance, compliance, and secure-by-design capabilities. Manage backlogs, Agile delivery, KPIs, stakeholder communication, and risk reduction outcomes while integrating AI to improve security workflows and productivity.

Leads architecture and implementation of Microsoft Red Team visibility, telemetry, monitoring, detection, alerting, deconfliction, and operational security capabilities. Designs scalable services and data pipelines, maintains authoritative operational asset inventories, identifies systemic security gaps, and drives durable engineering solutions. Provides hands-on technical leadership, architecture reviews, debugging, incident response, mentorship, and cross-organizational influence while enabling authentic Red Team operations with strong defensive visibility and control.