Top Remote Cyber Security Jobs in Memphis, TN

Leads Insurity’s enterprise cybersecurity, information security, privacy, HIPAA, AI governance, risk, compliance, and incident response programs. The CISO sets security strategy, advises executives and the Board, oversees cloud, application, product, and infrastructure security, manages audits and regulatory obligations, directs crisis response, builds the security organization, and partners with customers, regulators, vendors, and cross-functional leadership to protect company and customer data.

Plans and executes full-scope red team and adversary emulation operations, including phishing, C2, privilege escalation, lateral movement, EDR/XDR evasion, Active Directory and cloud compromise, and social-engineering scenarios. Develops custom offensive tooling, collaborates with Blue Teams to validate detections, documents attack chains, and provides remediation guidance. Requires 5+ years of offensive security experience, advanced scripting skills, and recognized offensive security certifications, with bug bounty or CTF achievements preferred.

Conduct continuous manual penetration testing across network, web application, cloud, and social engineering attack surfaces. Pursue findings through post-exploitation, lateral movement, privilege escalation, and business-impact validation. Communicate results to technical and non-technical clients, lead debriefs, improve team tooling, direct AI and automation, mentor junior testers, and collaborate with R&D to operationalize repeatable techniques.

Own cloud security across AWS and Azure, including identity, network, application, container, data, and AI security. Build policy and infrastructure controls as code, integrate security into CI/CD, protect regulated health data, and manage detection, incident response, vulnerability remediation, and compliance. The role also develops AI security guardrails and coaches engineering teams while operating production security controls and supporting on-call responsibilities.

Leads hands-on security architecture and implementation for AWS cloud, software delivery, applications, and AI platforms. Builds secure-by-default Terraform/OpenTofu controls, identity and access patterns, CI/CD protections, vulnerability management, threat models, AI security evaluations, detection mechanisms, and incident remediation. Partners with engineering, CyberOps, Identity, GRC, and Privacy teams while mentoring engineers and translating security requirements into automated, reusable guardrails.

Staff Security Engineer responsible for securing AWS cloud, Infrastructure as Code, software delivery, applications, and AI platforms. The role defines security architecture, builds reusable Terraform/OpenTofu controls, strengthens identity and logging, secures GitHub Actions, conducts threat modeling, and develops protections for agentic AI systems. It also leads vulnerability remediation, detection and response improvements, incident root-cause analysis, security evaluations, and compliance evidence generation while mentoring engineers and influencing cross-functional teams.

Lead cybersecurity consulting and engineering engagements securing OT and IT environments for water, wastewater, and environmental infrastructure clients. Conduct ICS, SCADA, network, architecture, risk, and compliance assessments; design secure IT/OT architectures; develop governance, incident response, security plans, and improvement roadmaps; evaluate security technologies; and support proposals and client presentations. Mentor junior staff and advise on cloud, IoT, AI, and critical infrastructure security.

Own and scale application security across Redpanda’s C++ engine, Go control plane, Console, and Rust/Go SDKs. Responsibilities include threat modeling, secure design reviews, SAST/SCA/DAST, fuzzing, secure code review, PSIRT and vulnerability disclosure, software supply-chain security, security release gates, and security champions. The role partners closely with engineering to improve secure development practices, address vulnerabilities, and protect authentication, authorization, encryption, audit logging, and multi-tenant isolation.

Performs cloud security engineering across AWS and GCP, including system hardening, patching, vulnerability remediation, compliance scanning, security tool management, incident response, and cloud operations. Troubleshoots Linux, Windows, network, application, and identity issues; supports FedRAMP, FISMA, and NIST 800-53 requirements; documents procedures and incidents; contributes to automation; mentors junior engineers; and participates in a 24×7 on-call rotation.

Designs and operates security controls for AI/ML systems, including threat detection, incident response, cloud and application security, model governance, adversarial testing, and security automation. Builds production tooling across AI platforms such as SageMaker, Azure OpenAI, and Databricks; applies MITRE ATLAS, OWASP AI Top 10, and NIST AI RMF frameworks; and integrates enterprise security platforms to protect models, data, pipelines, and AI applications.

Lead security across Zeely’s AWS infrastructure, products, CI/CD pipelines, and compliance programs. Responsibilities include cloud hardening, IAM, vulnerability remediation, incident response, security monitoring, architecture and code reviews, and implementing SAST, DAST, SCA, and secrets scanning. The role owns SOC 2, ISO 27001, and CASA compliance, leads the security roadmap, establishes policies, guides DevOps and Platform teams, and supports enterprise customer security reviews.

Designs vulnerable and secure application fixtures addressing OWASP LLM risks, creates deterministic tests and security manifests, develops answer keys for AI and scanner evaluation, and improves AppSec assessment pipelines. The role also evaluates traditional and agent-based security architectures, documents technical findings, and collaborates on peer reviews and actionable security recommendations.

Create challenging coding tasks for AI systems, implement deterministic solution verifiers, and contribute backend expertise across feature development, bug fixing, refactoring, performance optimization, testing, and security reviews. The role requires strong programming and software engineering skills, with cybersecurity experience in secure coding, application security, penetration testing, vulnerability assessment, or security-focused code reviews preferred.

Build and secure scalable backend services and APIs while debugging, optimizing performance, implementing features, refactoring codebases, and conducting security reviews and penetration testing. The role also involves automated testing, code review, vulnerability assessment, and contributing domain expertise to training next-generation AI systems.

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.

Provides consultative pre-sales cybersecurity engineering for email security solutions. Leads customer discovery, assesses security architectures, designs solution proposals, delivers demonstrations and technical presentations, supports proofs of concept, collaborates with vendors, enables sales teams, and transitions closed opportunities to delivery teams. Focus areas include secure email gateways, phishing and BEC protection, API-based security, DLP, advanced threat protection, and hybrid cloud environments.

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 hands-on product security architecture across GitLab, including design reviews, threat modeling, systemic risk remediation, security standards, prototypes, and reusable developer guardrails. Partner with engineering and product leaders, secure distributed systems and software supply chains, guide AI coding tool security, mentor security engineers, and influence technical direction through proactive architecture and clear communication.

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.

Leads Tier-3 security monitoring, threat hunting, incident response, and SLA delivery across multi-tenant environments. Serves as incident commander while engineering detections, SOAR playbooks, integrations, and AI-assisted automation using Python, APIs, LLMs, and cloud security data. Advises clients, reduces alert noise, and aligns operations with NIST, ISO 27001, privacy, and regulatory requirements.

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.

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.

Conduct application security assessments, discover and validate vulnerabilities, analyze complex codebases, build custom security tooling, perform threat modeling and architecture reviews, and deliver actionable findings to clients. Independently own assessment workstreams, develop proof-of-concept exploits, communicate technical conclusions, review team work, and contribute to security research, open-source tools, and technical writing.

Conduct application security assessments, discover and validate vulnerabilities, analyze code and architectures, perform threat modeling, build security tooling, and develop proof-of-concept exploits. Own scoped assessment components from discovery through client delivery, communicate findings and remediation guidance, and contribute to security research, open-source tools, and technical documentation. The role requires hands-on coding, vulnerability research, memory-corruption knowledge, operating-system familiarity, and independent technical investigation.

Provides customer-facing presales cybersecurity expertise by leading discovery, assessing cloud and hybrid security architectures, designing CNAPP-based solutions, delivering demonstrations and technical presentations, supporting proofs of concept, enabling sales teams, collaborating with vendors, and assisting with statements of work and post-sale handoffs.