Top Senior Cyber Security Jobs in Miami, FL

Engineer and maintain enterprise network security platforms across on-premises and cloud environments. Design firewall and network security solutions, troubleshoot complex connectivity and security issues, and automate infrastructure operations using scripting, APIs, Infrastructure as Code, configuration management, and CI/CD pipelines. Support platform upgrades, vulnerability remediation, monitoring integrations, validation processes, and modernization initiatives while collaborating with network, cloud, application, and security teams.

Monitor and analyze security events, lead incident response and employee investigations, conduct digital forensics, and communicate findings to technical, executive, legal, and compliance stakeholders. Build investigation scripts, runbooks, automated workflows, and security operations capabilities. Mentor engineers and support insider threat initiatives while collaborating across teams on cloud security and incident response.

Maintain and mature Mozilla's ISMS and support ISO 27001 and SOC 2 Type 2 audit programs. Author system descriptions and policies, manage risk treatment plans, track remediation, support internal audits, and partner with Engineering, Legal, Privacy, and Product to drive control ownership and audit readiness.

Maintain and mature Mozilla's ISMS, support ISO 27001 and SOC 2 Type 2 audits, author compliance narratives, track remediation, lead policy program, scale compliance for products, and partner with cross-functional teams to drive control ownership and audit readiness.

Lead enterprise security operations, resilience, incident response, threat intelligence, cloud security, IAM, and risk management. Serve as deputy to the CISO and primary incident commander while advising executives on cyber risk. Build and scale multidisciplinary security teams, modernize cloud-native defenses, embed security-by-design across products and AI/ML systems, and establish metrics-driven governance, automation, regulatory alignment, and business-focused security strategies.

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.

Build and scale platform security through architecture reviews, threat modeling, IaC hardening, IAM improvements, Kubernetes security, and disaster recovery exercises. Develop automation for detection, response, compliance, onboarding, access anomaly detection, and self-service security posture checks. Investigate incidents, track root-cause remediation, support SOC 2 evidence collection, and collaborate closely with software engineers on secure development and incident response.

Conduct penetration tests across infrastructure, networks, web and mobile applications, and cloud environments. Perform application and cloud security testing, simulate adversary techniques, develop custom security tools, document vulnerabilities, validate remediation, and support HIPAA, SOC 2, and PCI DSS compliance. Collaborate with engineering and product teams, track emerging threats, and contribute to purple-team exercises, tabletop events, and security training.

Lead enterprise security architecture across cloud, application, infrastructure, identity, data, and third-party environments. Develop security principles, standards, patterns, and controls; review designs; conduct threat modeling and risk assessments; guide secure-by-design implementations; and advise technical and business stakeholders. The role also supports regulatory compliance, evaluates security technologies, and strengthens organizational security practices.

Manages cybersecurity compliance and authorization for Air Force NIPR systems. Responsibilities include developing and maintaining system security plans, supporting RMF accreditation, conducting audits and inspections, managing POA&Ms, STIGs, IAVM compliance, continuous monitoring, FISMA requirements, security testing, and ATO activities. The role also provides tactical security guidance, assesses technology risks, and coordinates cybersecurity activities across multi-contractor teams and cloud and on-premises environments.

Design and ship product security improvements covering authentication, authorization, session and token handling, secrets management, third-party access, abuse detection, fraud prevention, and account takeover defense. Threat-model systems, remediate vulnerabilities, build secure developer tooling, and partner with Product, Engineering, and Trust & Safety. Mentor engineers and use AI-assisted development while balancing security controls with user experience.

Assesses enterprise information security risks, performs vulnerability and security posture assessments, and coordinates remediation across networks, systems, applications, and vendors. Develops security policies and standards aligned with SOX, PCI, HIPAA, and NIST guidance; supports audits, incident response, training, access monitoring, and security projects. Communicates technical risks and corrective actions to technical and nontechnical stakeholders while mentoring teams and managing competing priorities.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

Assess product and application architectures, develop threat models, identify security risks, and guide engineering teams on remediation. Promote security culture through training, mentoring, vulnerability management, and internal security initiatives. Build security tooling, automation, patterns, and workflows that embed secure-by-design practices across engineering. Partner with product managers, designers, and engineers to secure complex, large-scale cloud systems.

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.

Manage enterprise and federal cybersecurity compliance programs, audit readiness, continuous monitoring, POA&M remediation, third-party risk, policy governance, documentation, and security training. Coordinate cross-functional stakeholders across Security, Engineering, DevOps, IT, GRC, Procurement, and Legal. Maintain compliance plans, evidence, risk registers, control documentation, and audit-ready materials while supporting FedRAMP High, DoD IL5, SOC 2, ISO 27001, and related requirements.

Lead application security across the SDLC, partnering with engineering teams on secure architecture, coding, testing, deployment, and cloud services. Conduct manual web application and API testing, improve automated CI/CD security controls, establish secure coding standards, assess third-party risks, support vulnerability management and incident response, and ensure healthcare compliance. The role also develops enterprise-wide security policies and evaluates emerging security technologies.

Own application security across cloud services, APIs, data pipelines, and edge-deployed applications. Lead threat modeling, secure design reviews, code reviews, vulnerability assessments, and remediation. Build CI/CD security tooling, automation, and secure-by-default developer frameworks while maturing the SDLC, supply-chain security, vulnerability disclosure, and bug bounty processes. Partner with engineering and security operations, provide incident expertise, and deliver developer security training.

Establish and enforce security controls across Google Cloud and Oracle Cloud environments for a federal health customer. Manage IAM federation, least-privilege access, centralized monitoring, vulnerability remediation, and cloud security tooling. Validate deployments against FedRAMP High, FISMA, and NIST 800-53 requirements, support zero-trust architecture, and collaborate with governance, audit, security, and engineering teams. The role also provides technical leadership and develops cloud security standards.

Implement and validate Oracle Cloud Infrastructure security controls for a federal health customer. Responsibilities include securing IAM, networks, encryption, monitoring, Cloud Guard, Security Zones, Security Advisor, threat intelligence, key management, SIEM integrations, and Infrastructure as Code automation. The engineer will collaborate with cloud operations, migration, application, and systems teams while establishing technical security standards for cloud and on-premises environments.

Lead enterprise eDiscovery and insider-risk investigations by collecting, preserving, analyzing, and reviewing data from cloud infrastructure, endpoints, and repositories. Build AI-powered automation, correlate activity logs into investigative timelines, manage legal holds and governance policies, support digital forensics, and produce structured evidence packages for Security, Legal, HR, and investigative teams.

Lead the technical presales process for Proofpoint’s data security and insider risk solutions. Partner with sales teams, conduct technical discovery, design security architectures, and manage proof-of-concept and production evaluations. Present solutions to customers, support deployments and training, collaborate with Professional Services, Engineering, Product Management, and Support, and provide customer insights to improve products. The role also develops internal documentation, training, and repeatable sales engineering processes.

Supports enterprise cybersecurity and GRC programs through third-party risk assessments, security testing coordination, corrective action tracking, policy development, compliance support, incident response planning, disaster recovery exercises, and enforcement of technical and administrative controls. Partners with engineering, operations, managed security providers, and internal stakeholders to strengthen security posture across cloud and hybrid environments.

Build and scale backend security platform services, including authentication, authorization, identity infrastructure, permission systems, and data models. Lead cross-team technical initiatives, standardize security solutions, collaborate with compliance and mission stakeholders, and influence architecture and engineering standards. The role requires strong system design, backend development, security expertise, technical leadership, and the ability to operate in sensitive environments.