Top Remote Senior Security Engineer Jobs

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.

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.

Administer Red Hat and Windows servers across on-premises and AWS environments; manage performance, capacity, patching, PKI certificates, vulnerability scans, and SCAP/STIG compliance. Support audits, application vulnerability remediation, security operations, and technical issues for development, database, customer support, and external partner teams. Maintain approximately 34 servers and assist with infrastructure projects and enterprise tools.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Provides pre-sales technical support for Vectra’s cybersecurity platform. Demonstrates products, advises customers and partners, resolves technical obstacles, supports deployments and technology reviews, and develops customer relationships alongside regional sales managers. The role requires expertise in security platforms, networking, cloud security, attacker progression, incident response, and security processes, along with strong communication skills and regional travel.

Provide pre-sales technical support for regional sales teams by demonstrating Vectra security solutions, addressing customer pain points, and solving technical roadblocks. Build technical relationships with customers and partners, support technology reviews and integrations, maintain expertise in security products and the threat landscape, and collaborate on deployments, designs, releases, and customer projects. Travel within the assigned region as needed.

Conduct red-team assessments of formally verified systems, evaluating proofs, specifications, threat models, and trusted computing bases. Build AI-driven vulnerability discovery, triage, and exploit-generation tooling; identify and demonstrate exploitable weaknesses in software and infrastructure. Produce rigorous security reports, publish methodologies, collaborate with domain experts and third parties, and deliver engagements on fixed schedules.

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.

Designs and implements cloud and infrastructure security architecture, reviews systems for vulnerabilities, and drives security improvements across the development lifecycle. The role builds automated security testing, integrates security controls into CI pipelines, enforces secure Infrastructure as Code practices, promotes DevSecOps, advises engineering teams, and coordinates cloud penetration testing. It requires strong AWS, Kubernetes, Terraform, programming, cloud security, and policy management expertise.

Lead security engineering for RTOS, hypervisor, and embedded virtualization: design and review defenses, collaborate on CPU/SoC security, perform threat modeling and automotive TARA, review low-level C/C++ code, build fuzzing and test infrastructure, assess vulnerabilities, and drive security fixes and verification toward automotive safety and security standards.

Monitor, investigate, and respond to global security incidents; lead incident response as an incident commander; develop security alerts, playbooks, automated actions, and escalation workflows; conduct threat hunting and threat intelligence research; improve detection, containment, and post-incident processes; collaborate with stakeholders; and participate in an on-call rotation.

Manage and secure endpoint devices across a manufacturing site, including configuration, software deployment, patching, antivirus/EDR, encryption, access control, and authentication. Maintain site cybersecurity policies and controls, monitor security alerts, and coordinate investigations and incident response with corporate IT and security teams. Provide troubleshooting and technical support while collaborating with global teams.

Build and operate security controls, telemetry, detections, and enforcement for NVIDIA’s large-scale EDA compute, storage, and networking infrastructure across on-premises and multi-cloud environments. Investigate threats, respond to incidents, automate secure configurations and compliance evidence, threat-model infrastructure, and manage security technology lifecycles. The role requires hands-on Linux, networking, programming, infrastructure security, and collaboration with infrastructure and security teams.

Designs and operates cloud security guardrails across AWS, GCP, and Azure. Responsibilities include secure architecture, IAM, network segmentation, encryption, secrets management, IaC and CI/CD security, automation, CSPM, logging, detection, incident response, and compliance evidence. The role requires hands-on DevOps or platform experience, production security across multiple cloud providers, coding and scripting, Terraform or OpenTofu, and strong collaboration with engineering teams.

Owns and strengthens the security posture of cloud-based SaaS and Microsoft 365 environments. Responsibilities include vulnerability management, incident response, cloud and endpoint hardening, identity and data protection, secure configuration, monitoring, compliance evidence, customer security reviews, and risk management aligned with HITRUST, HIPAA, NIST, and related frameworks.

Designs and operates identity and access management systems across human, service, workload, and AI identities. Owns lifecycle automation, data-driven access models, time-bound entitlements, identity-as-code, cloud IAM, and AI-powered access reviews. Partners with Engineering, IT, and Compliance to reduce unnecessary access, support audits, and respond to identity-related incidents. Requires strong software engineering skills and hands-on experience with Okta, enterprise SaaS provisioning, AWS IAM, and AI or LLM tooling.

Own and advance cybersecurity for satellites, flight software, ground systems, mission networks, communication links, and AWS infrastructure. Responsibilities include security architecture, threat modeling, vulnerability management, incident response, IAM, SIEM detection engineering, network defense, cloud security, DLP, security assessments, awareness training, and compliance with CMMC Level 2, NIST 800-171, and ITAR/EAR requirements. The role collaborates with aerospace, software, systems, and compliance teams and requires expertise in mission-system security.

Provides hands-on endpoint, mobile, network, and infrastructure security for executives, remote offices, and sensitive locations. Responsibilities include configuring devices and controls, conducting site security assessments, remediating gaps, troubleshooting security systems, coordinating with Physical Security and vendors, maintaining documentation and runbooks, supporting audits, and responding to urgent after-hours issues. Regular domestic and international travel is required.

Designs and scales enterprise security across IAM, corporate SaaS, endpoints, and infrastructure. Responsibilities include automating joiner-mover-leaver workflows, access reviews, zero-trust controls, SaaS security posture management, endpoint protections, vendor risk assessments, and AI-powered security automation. The role partners with IT, Legal, HR, and Compliance on security frameworks, documentation, audits, and strategic roadmap initiatives.

Own enterprise IAM and PAM engineering across Entra ID, hybrid Active Directory, Microsoft 365, and privileged-access platforms. Manage identity lifecycle, federation, access governance, endpoint and mobile security, vulnerability management, and security configurations. Support incident response as a Tier 3 escalation point, translate compliance requirements into technical controls, automate workflows and evidence collection, and partner with IT, GRC, and CSIRT teams. Provide documentation, standards, mentorship, and technical guidance across cloud, SaaS, endpoint, and infrastructure security.

Own corporate detection and response, incident response, endpoint security, identity and SaaS security, Google Workspace governance, and corporate-to-production monitoring. Build LLM-driven security triage with measured evaluation, automate enforcement through vendor APIs, improve detection fidelity, and partner with engineering to ship security improvements. Manage Mac fleet security, phishing-resistant authentication, access reviews, DLP, OAuth governance, and containment playbooks.

Implements and operates application security controls, scanners, governance processes, and cloud infrastructure for global digital brands. Develops APIs, scripts, Kubernetes clusters, and infrastructure-as-code automation; conducts application security reviews, threat modeling, adversarial testing, and vulnerability assessments. Partners with development and operations teams to communicate findings, guide remediation, and promote secure software development practices across cloud-native environments.

Implements and operates application security controls, scanners, governance processes, and cloud infrastructure. Automates security reporting and controls through scripts and APIs, maintains Kubernetes environments, conducts threat modeling and adversarial testing, reviews applications and releases, and guides development teams in remediating vulnerabilities and following software security best practices.

Implements and maintains application security controls, tools, governance processes, and cloud infrastructure for global digital operations. The role assesses vulnerabilities, conducts security reviews, threat modeling, and adversarial testing, and supports remediation with development teams. It also develops APIs, scripts, automation, CI/CD integrations, and Kubernetes-based infrastructure using infrastructure as code. The engineer guides teams on software security best practices and operates security services supporting enterprise production workloads.