Top Senior Cyber Security Jobs in Nashville, TN

Supports cloud, infrastructure, platform, and enterprise cybersecurity solutions. Responsibilities include designing and administering security technologies, troubleshooting, patching, incident response, governance, metrics, documentation, compliance, proof-of-concept evaluations, and on-call support. The role focuses heavily on IAM, UNIX permissions, privileged access, cloud IAM, user provisioning, and security controls, while advising junior engineers and supporting business teams and vendors.

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.

Lead product security initiatives for cloud, AI, and enterprise platforms. Responsibilities include threat modeling, security architecture reviews, identifying systemic weaknesses, developing secure-by-design guidance and reference architectures, advising engineering and product leaders, leveraging AI and automation for scalable security assessments, investigating emerging attack paths, mentoring teams, and improving security review methodologies and tooling.

Lead product cybersecurity for connected heart-recovery medical devices across development and post-market lifecycles. Responsibilities include security architecture, threat modeling, risk assessments, cryptographic controls, secure boot, firmware protection, PKI, vulnerability management, penetration testing, SBOM analysis, secure OTA updates, regulatory submissions, and remediation planning. The role partners with R&D and cross-functional teams to implement secure development practices, embedded protections, cloud and device security, and compliance with medical-device cybersecurity standards.

Automate security evidence generation and RMF control mapping to enable continuous authorization for U.S. Air Force systems. The role conducts audits and risk analyses, implements remediations, translates compliance requirements into engineering practices, documents inherited and implemented controls, and coaches government teams. It partners with security reviewers, authorizing officials, engineers, and contractors to embed security throughout the software delivery lifecycle.

Leads the information security program across healthcare platforms, managing security teams, controls, vulnerabilities, cloud and data protection, monitoring, incident response, governance, risk, and compliance. Partners with Engineering, Infrastructure, DevOps, Compliance, and business leaders to reduce risk, improve incident readiness, support HIPAA, HITRUST, and SOC 2 requirements, and secure AI tools and third-party integrations.

Lead security operations and incident response engineering across hybrid cloud environments. Conduct deep-dive investigations, digital forensics, threat modeling, detection engineering, SIEM tuning, threat intelligence review, and automated remediation. Develop incident response playbooks, maintain investigation documentation, apply MITRE ATT&CK, and support incident command and SOC process optimization.

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.

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 presales expertise for OT/IoT cybersecurity solutions. Consults with executive and technical stakeholders, supports cybersecurity sales engagements, delivers presentations and product demonstrations, develops security service offerings, creates lab use cases and sales collateral, and trains sales teams. Requires deep knowledge of industrial protocols, traffic analysis, asset visibility, segmentation, security frameworks, and technical security solutions. The role is remote within the Southeast U.S. and includes event travel.

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.

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.