Mozilla is hiring a Senior Software Engineer for Firefox Security to advance Firefox's security architecture and cryptography stack (including WebPKI and PKI evolution), design and implement web platform security features, improve browser reliability/performance, and collaborate on security initiatives. Role expects strong C/C++ skills, familiarity or interest in Rust, multi-threaded and cross-platform debugging, and experience with cryptographic protocols. Salary range for Remote Spain: €58,000–€77,000.

Work on Firefox's security architecture and cryptography stack, design and implement web platform security features, improve browser reliability, performance, and memory efficiency, and collaborate with distributed teams. Role emphasizes C/C++ proficiency, familiarity with Rust, and experience with cryptography and multi-threaded native applications.

Work on Firefox's security architecture and cryptography stack, design and implement web platform security features, and improve browser reliability, performance, and memory efficiency. Role emphasizes C/C++ proficiency, familiarity with Rust, multi-threaded and cross-platform native development, and applied cryptographic/security knowledge while collaborating across distributed teams.

Lead and own security monitoring, detection engineering, and threat hunting efforts. Responsibilities include real-time event triage, engineering and automating detection use cases across cloud and corporate environments, developing monitoring metrics, integrating and maintaining log/data pipelines, proactive threat hunting, mentoring analysts, and authoring playbooks/runbooks. Requires 5+ years with SIEM and endpoint detection tools, scripting (Python, Bash, SQL), and experience across Linux, Windows, and macOS. Salary range listed: $140,800–$176,000 (USD, annual).

Zapier seeks a Sr. Director of Security to set and deliver the security strategy for an AI-native SaaS platform. The role leads teams across Application/Product Security, Infrastructure Security, Detection & Response, and GRC, and partners with executives, Product, Engineering, Legal, and GTM to manage enterprise risk, incident response, bug bounty triage, and AI-specific security concerns. Location indicated as North America; the company is remote-first.

Role focused on designing, building, and operating production-grade agentic solutions that leverage large language models to detect and prevent fraud, abuse, and other security threats at scale. Responsibilities include model evaluation, cloud-based training/deployment (e.g., Azure AI Foundry), identifying product vulnerabilities, and cross-functional collaboration. Qualifications include technical ML/software experience (options listed include 4+ years ML experience or Bachelor's + 2+ years, or Master's/equivalent).

Lead technical work to define and enforce network security architecture, perform network security assessments (threat modeling, intrusion detection, protocol analysis), develop security automation and infrastructure-as-code, and collaborate with network engineering to integrate security controls across edge, backbone, and datacenter networks. Requires 8+ years of experience in network security-focused roles and expertise with Layer 2/3/4 protocols, DDoS mitigation, SDN/MPLS/BGP architectures, Python or Go for automation, and observability tooling such as Prometheus, Grafana, and the ELK stack.

Lead technical work to define and enforce network security architecture, perform threat modeling and protocol analysis, and build automated security tooling and IaC. Requires ~8+ years experience with Layer 2/3/4 protocols (BGP, OSPF, IS-IS, VRRP, LACP), DDoS mitigation, SDN/MPLS/BGP-LU security concepts, scripting (Python/Go), observability tooling (Prometheus, Grafana, ELK), and strong Linux and networking platform familiarity (Corero, Cloudflare, Juniper, Arista, Ciena).

Owner of the security risk posture for the virtualization stack: build systematic threat models, assess impact and likelihood, propose and drive implementation of defense-in-depth mitigations, and collaborate with engineering teams. Requires deep kernel and virtualization knowledge (QEMU/KVM), familiarity with kernel security features (AppArmor/SELinux/Landlock), systems-level programming experience, and experience in threat modelling and vulnerability management.

Own the security risk posture for the virtualization stack by creating systematic threat models, shared rubrics for impact/likelihood, and proposing defense-in-depth mitigations. Collaborate with kernel, virtualization, provisioning, and product teams to implement remediations, mentor engineers, and help run vulnerability management. Required familiarity with kernel security features, QEMU/KVM performance considerations, and modern virtualized/containerized development workflows.

Join Coinbase's Security Platform Engineering group as a Staff Software Engineer to lead architecture and execution of critical cryptographic infrastructure (Tier-0 MPC engine). Responsibilities include designing and implementing secure, resilient cryptographic protocols (MPC, KMS, HSM), operating highly available distributed systems, driving technical strategy, mentoring senior engineers, and coordinating with Security, Product, and Policy. Requires 8+ years software engineering experience, deep applied cryptography/KMS/HSM expertise, and extensive systems programming experience (Golang, Java, C++, or Rust). Remote-first role based in Israel with quarterly in-person working sessions.

Join Coinbase's Core Cryptography team to design, implement, and integrate critical cryptographic infrastructure (MPC, KMS/HSM) that secures customer assets and meets global regulatory requirements. Role expects 5+ years building highly available distributed systems, experience with applied cryptography and systems languages (Golang/Java/C++/Rust), cloud infrastructure as code, observability, and mentoring. Position is remote-first (USA) with quarterly in-person working sessions; base salary range $186,065–$218,900 USD/year.

The Home Depot is hiring a Senior CIAM Engineer to support its customer IAM platform, designing and maintaining high-scale authentication and authorization capabilities using solutions like ForgeRock and Ping Identity. Responsibilities include automation, threat hunting, incident response, fraud detection/identity verification, and contributing to AI/ML-driven DevSecOps and cloud IAM efforts. Minimum 3+ years' experience; must be legally permitted to work in the United States.

CrowdStrike is hiring an Associate Analyst for Falcon Complete (hybrid, US-based only). The role focuses on real-time incident detection and response across Windows, macOS and Linux, basic malware analysis, computer forensics, network forensics, developing detection/remediation processes, and producing written/verbal findings for customers. Candidates must be able to work a 4x10 schedule (including a weekend day), be willing to work on site as part of a hybrid schedule, and the role is open only to US citizens and Green Card holders. Listed base salary range for U.S. candidates is $70,000–$95,000/year.

CloudLinux seeks an experienced engineer/researcher to define and deliver a runtime protection layer for Node.js processes used by hosted web apps. Responsibilities include instrumentation strategy, implementation, integrating cross-layer threat intelligence, and measuring runtime overhead, detection quality, and customer escalations. Requires deep familiarity with Node.js, web application security, large-scale detection rules, and hands-on ownership of product and engineering tasks.

Proofpoint is hiring a Senior Sales Engineer aligned to the Eastern Europe sales organization (based in Budapest, remote). The role is the technical sales lead during pre-sales: discovery, proposals, demos, proofs of concept and solution design across collaboration security, data protection, security awareness and governance. The role involves collaborating with account teams, building customer relationships, providing product/market feedback, and attending industry events. Required: hands-on customer-facing technical experience (sales engineering, TAM, security engineer or similar), experience with enterprise collaboration/email security, secops/data security/cloud or network infrastructure, strong presentation skills and fluency in English and Hungarian.

Role requires designing and implementing high-performance, non-blocking, asynchronous systems with aggressive memory/allocation control and deep profiling to reduce latency and GC pressure. Candidates need 4+ years in performance-critical domains (C/C++/Rust/C#/Java), strong concurrency and memory fundamentals, and experience with profilers and allocator/memory strategies; security/compliance experience is a plus.

Pindrop is hiring a Senior Software Engineer for the Authentication team to design, implement, deploy, and operate high-performance authentication services and data pipelines across AWS and GCP. The role emphasizes secure, reliable production ownership, integration of ML-driven signals (risk scores, deepfake detection), observability, CI/CD and infrastructure-as-code, and participation in on-call rotation. Required experience: 5+ years building backend services with Go/Python and cloud-native platforms.

Lead the reference architecture and adoption for governed agent actions (durable policies, runtime controls, credential mediation, detector response, audit correlation). Requires 15+ years in security architecture or related fields and experience with identity, policy, runtime isolation, threat modeling, and tools such as OPA/Rego, Cedar, and OAuth/OIDC.

Work on Firefox's security architecture and cryptography stack (including WebPKI and PKI evolution), design and implement web platform security features, and improve browser reliability, performance, and memory usage. Requires strong software engineering skills (C/C++), security fundamentals, debugging of multi-threaded native applications, and familiarity or interest in Rust and web technologies.