Top Senior Cyber Security Jobs in Memphis, TN

Lead customer security strategy and architecture using Microsoft security products. Assess security posture, design cloud-native solutions, remove technical blockers, author customer insights, and support complex enterprise deployments to accelerate adoption and secure cloud/hybrid environments.

Lead deep technical security reviews of products and platforms, produce prioritized remediation roadmaps, build security tools and automations, integrate guardrails and automated checks, partner with product teams to implement and validate fixes, and use threat intelligence and telemetry to convert attack paths into controls and detections.

Leads the architecture, implementation, integration, automation, testing, and optimization of ServiceNow and Veza identity security solutions. Advises clients on identity governance, authorization visibility, access analytics, compliance, and cybersecurity strategy. Conducts workshops, demonstrations, training, troubleshooting, and technical delivery from discovery through deployment. Develops scripts, applications, dashboards, and workflows while mentoring junior staff and supporting proposals, estimates, and sales opportunities.

Leads identity security and IAM implementation projects for enterprise clients using ServiceNow and Veza. Manages client engagement, requirements workshops, solution design, delivery timelines, risks, and distributed teams. Oversees identity governance, access certification, lifecycle management, provisioning, and authorization visibility implementations. Coordinates integrations with cybersecurity programs, mentors consultants, ensures solution quality, supports process improvements, and assists sales pursuits. The role also develops governance strategies for human and non-human identities, including service accounts, APIs, machine identities, and AI agents.

Architect and engineer multi-tenant SIEM, SOAR, EDR, telemetry, and cloud security platforms for managed security services. Build detection content, automate response workflows, optimize log ingestion, and secure customer connectivity. Lead technical discovery, onboarding, security assessments, remediation planning, escalations, solution design, and customer advisory engagements. Create architectures, runbooks, and documentation while shaping the MSSP technology strategy.

Lead product marketing for Keeper's cybersecurity products: define messaging, positioning and use cases; execute cross-functional launches; create content and SEO-optimized assets; coordinate webinars and partner co-marketing; gather customer feedback and conduct market and competitor research to drive awareness and pipeline.

The Senior Application Security Engineer ensures the security of systems and data by monitoring vulnerabilities, responding to incidents, and promoting security best practices within the organization.

Lead security initiatives by establishing secure development practices, conducting security reviews, as well as managing threat modeling and security assessments.

Lead and grow the security operations team to detect, investigate, and respond to threats across endpoints, identity, email, and cloud. Develop SecOps strategy, incident response playbooks, run tabletop exercises, manage SIEM/EDR/email security, drive identity governance, vendor/MSSP relationships, and report security KPIs to leadership.

Lead a U.S.-based team of Security Operations Engineers and TPMs to design, build, and operationalize identity protections that reduce lateral-movement risk. Define strategy, apply AI and automation, partner with engineering and platform teams, deliver scalable controls, and drive measurable security outcomes, operational readiness, and executive reporting.

Lead Wikimedia Foundation’s product security strategy, prioritize security and privacy engineering initiatives, develop platform interventions against threats, strengthen organizational security culture, and communicate with Wikimedia communities. The role partners with cross-functional and departmental leaders on information security, represents the Foundation to volunteers, and applies AI-based tools to security analysis, code review, and software engineering. Prior product management experience is not required, but strong technical, security, communication, and online-community experience are important.

Manages information security risks, vendor and third-party risk reviews, mitigation plans, policy exceptions, and compliance reporting. Partners with stakeholders and Enterprise Risk Management to maintain risk policies within tolerance. Serves as a technical expert, supports risk awareness and accountability, monitors security controls, and contributes to operational goals. The role requires expertise in IT audit, security monitoring, access management, encryption, networking, incident response, SOX compliance, and project management.

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.

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.

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.