Top Cyber Security Jobs

Build and operate threat detection systems across cloud, endpoint, identity, email, and application environments. Own detection lifecycles, detection-as-code workflows, data pipelines, CI/CD, integrations, threat intelligence enrichment, and AI-assisted security capabilities. Partner with Security Operations and engineering teams on investigations, incident response, threat hunting, and automation. The role requires strong Python and SQL skills, SIEM expertise, cloud and Linux knowledge, and independent project leadership.

Conduct novel research in AI security and cybersecurity, focusing on securing AI models, agents, systems, and infrastructure. Develop tools and processes to identify and remediate vulnerabilities, investigate adversarial machine learning, publish findings, and collaborate across NVIDIA. Present complex technical results to security, machine learning, and business audiences while contributing to secure software development and AI safety.

Lead cloud security architecture and threat hunting across enterprise cloud environments. Partner with engineering, product, and risk teams to embed secure-by-design controls, conduct threat models and risk assessments, review infrastructure-as-code, develop preventive and detective controls, and operationalize detections with cybersecurity teams. Analyze large datasets, improve alerting and incident-response playbooks, investigate cloud threats, and provide expertise on adversary tradecraft and emerging risks.

Lead Security Engineer responsible for designing and building secure Python-based services, conducting threat modeling, vulnerability assessments, secure code development/reviews, and integrating AI-assisted security practices across cloud, container, and CI/CD environments while working with stakeholders to ensure auditability and resiliency.

Lead detection and response for blockchain and enterprise environments: design security strategy, develop detections and playbooks, analyze on-chain/off-chain signals, drive investigations and remediation, use enterprise AI to accelerate threat intelligence, and collaborate across teams to improve monitoring and security posture.

Join Notion's Detection and Response team as a Security Operations Engineer, focusing on investigating security events and mentoring junior engineers, ensuring operational excellence in security practices.

Leads security assurance for Salesforce’s web, UI, rendering, and data-access layers. Responsibilities include threat modeling, security design and code reviews, secure framework and SDK patterns, security standards, and multi-team security programs. The role also owns AI and agentic security risks, including prompt injection, excessive agency, context poisoning, connector security, least-privilege access, audit logging, and human-in-the-loop controls.

Supports cybersecurity governance and compliance for a DoD DevSecOps environment hosted on Azure. Manages Assessment and Authorization activities, maintains ATO compliance, and develops security policies and artifacts in eMASS. Conducts risk assessments, vulnerability testing, audits, remediation coordination, and continuous monitoring aligned with RMF, NIST, CMMC, Zero Trust, and DoD Cloud SRG requirements. Serves as a liaison among government stakeholders, auditors, authorizing officials, and engineering teams while delivering security briefings and awareness training.

Manages user access and application security, monitors and reports access or cybersecurity incidents, and performs remediation according to company policies. Collaborates with Infrastructure, Compliance, and Risk teams. The role requires experience in cybersecurity, infrastructure or applications, access services, Microsoft Azure, service desk operations, and Microsoft Office applications.

Supports cybersecurity operations by analyzing network traffic, system logs, cyber data, browser behavior, and online services. Responsibilities include configuring and maintaining Tor Onion Services, using CDNs and security tools, troubleshooting networks and browsers, documenting configurations, defining and tracking requirements, and communicating technical concepts to diverse stakeholders. The role is full-time onsite in Chantilly, Virginia and requires an active TS/SCI clearance with a full-scope polygraph.

Operate and improve cybersecurity monitoring, incident response, vulnerability management, email and endpoint security, cloud and identity controls, and security assurance. Investigate alerts, manage incidents, hardening, access controls, vendor risk, policies, audits, and remediation. Partner with IT teams, an MDR provider, and specialist vendors while delivering security awareness, phishing exercises, runbooks, and tabletop exercises. After-hours incident response and local travel may be required.

Designs, builds, and operates secure-by-default cloud controls across Google Cloud and multi-cloud environments. The engineer defines IAM and least-privilege policies, develops infrastructure-as-code and CI/CD security practices, supports incident response, establishes cybersecurity standards, tracks security posture KPIs, and partners with platform, product, and security teams to reduce risk while enabling efficient delivery.

Provides multidisciplinary security support for Special Access Programs, SCI, and collateral activities. Ensures compliance with NISPOM, DoD, SAP, and intelligence policies; assesses vulnerabilities and risks; develops procedures and training; conducts facility compliance reviews; investigates potential information compromises; tracks corrective actions; briefs personnel; and mentors security staff. Requires TS/SCI clearance, SAP eligibility, counterintelligence polygraph willingness, and 10–12 years of related experience.

Leads cybersecurity due diligence for acquisitions, divestitures, investments, licensing arrangements, and strategic partnerships. Assesses target environments, identifies material technical and regulatory risks, translates findings into business recommendations, and supports transaction decisions, closing conditions, Day 1 security priorities, and post-close handoffs. Coordinates stakeholders, advisors, evidence reviews, reporting, risk escalation, and continuous improvement of cybersecurity diligence playbooks. Provides technical leadership and mentorship across concurrent, confidential transactions.

Leads acquisitions and divestitures cybersecurity operations across integrations, separations, partnerships, and other transactions. Oversees portfolio execution, resourcing, deal security enablement, executive reporting, post-close workstreams, risk and dependency management, process standardization, playbook maturity, and continuous improvement. Partners with cybersecurity, technology, legal, privacy, finance, corporate development, and integration teams while guiding employees, contractors, and cross-functional contributors in a global matrixed environment.

Manage and lead cybersecurity advisory engagements: implement GRC programs, assess ITGC and IT risk, develop remediation roadmaps, run incident response tabletop exercises, manage GRC platforms, conduct vendor risk reviews, develop policies/SOPs, mentor staff, and support business development.

Serve as a system administrator and security manager supporting classified Indo-Pacific programs. Administer SCIF and SAPF security requirements, manage personnel access through DISS and JADE, enforce COMSEC and cybersecurity policies, assess vulnerabilities, and guide user-community administrators. Provide client-facing compliance support, documentation, briefings, policy development, and leadership coordination while mentoring team members and managing database and software security.

Build AI-focused detection and response systems protecting training data, model deployments, GPU clusters, and distributed infrastructure. Develop automated response playbooks, detection-as-code frameworks, telemetry pipelines, security dashboards, and incident response processes. Conduct forensic investigations and proactive threat hunting for prompt injection, model extraction, data poisoning, adversarial attacks, and unauthorized access. Coordinate critical incidents across security, infrastructure, software security, and AI research teams while participating in a 24/7 on-call rotation.

Leads endpoint security engineering teams and oversees enterprise endpoint protection platforms, operational readiness, policy enforcement, platform health, security initiatives, governance, risk management, vendor relationships, and capability roadmaps. Manages team performance, backlogs, projects, metrics, incident troubleshooting, audits, and continuous improvement while partnering with infrastructure, architecture, workplace technology, and security operations stakeholders.

Designs and implements secure, scalable software architectures and solutions for information security and AI security initiatives. Responsibilities include Python development, CI/CD pipeline implementation, root cause analysis, defect resolution, automation, telemetry, testing, stakeholder collaboration, and program metric monitoring. The role drives secure software delivery, system resilience, compliance, and technical direction across cross-functional teams.

Leads the design and development of scalable, secure software solutions for information security and AI security initiatives. Responsibilities include software architecture, Python development, automation, CI/CD implementation, vulnerability troubleshooting, root cause analysis, stakeholder collaboration, risk management, and progress reporting. The role establishes technical direction, improves security posture, and delivers maintainable solutions aligned with business objectives and compliance standards.

Leads the design and development of scalable, secure software for information security initiatives. Responsibilities include creating secure architectures, coding in Python, automating CI/CD pipelines, troubleshooting defects, conducting root cause analysis, assessing risks, monitoring metrics, and aligning security solutions with business requirements. The role also guides technical direction for AI security and cyber engineering efforts while collaborating with cross-functional stakeholders.

Lead and mature Plenful’s company-wide security program across application, cloud, infrastructure, security operations, incident response, compliance, and customer trust. Manage a small team, establish security roadmaps and controls, partner with engineers on vulnerability remediation and secure development, strengthen AWS and AI/ML security, oversee SOC 2, HIPAA, and HITRUST initiatives, and communicate security risks to executives, customers, auditors, and cross-functional stakeholders.

Leads security operations, incident response, vulnerability remediation, cloud and infrastructure security, application and software supply-chain security, and AI security governance. The role monitors and tunes security tooling, investigates incidents, manages vulnerabilities, reviews cloud and application controls, supports compliance audits, and develops automation using Python or PowerShell. It also advances Zero Trust, secure development practices, AI risk controls, threat modeling, and AI-assisted security operations.

Build AI-powered cybersecurity automation for vulnerability discovery, triage, prioritization, and remediation. Develop Python tooling, APIs, integrations, pipelines, dashboards, and security workflows across AppSec, vulnerability management, ASPM, CI/CD, and developer platforms. Support AWS security services, containerized environments, AI security controls, governance, auditability, and secure deployment while partnering with engineering and security teams.