10,201 Cybersecurity jobs
Open tech roles at companies in cybersecurity.
Inżynier Identity Security (k/m)
Technical presales/implementation role at Rublon: leading POCs and production rollouts of the Rublon MFA platform for customers and partners — analyzing client environments, recommending MFA architecture, troubleshooting, and training admins. Core tech: Active Directory, Entra ID, Windows Server, RADIUS, LDAP, SAML, VPN, FIDO2, PowerShell.
Identity Security Engineer (German) – DACH
Customer-facing identity security engineer at Rublon, an MFA vendor, acting as the technical representative for DACH customers and partners: running discovery, demos, POCs, solution design, deployment support, and partner training. Core tech: MFA/SSO/IAM, Active Directory, Entra ID, RADIUS, LDAP, SAML, VPN, FIDO2/WebAuthn.
Técnico de Cibersegurança e Compliance (M/F)
Cybersecurity and compliance technician at IT services firm FAS, working at one of its clients in Lisbon: operates XDR platforms (Sophos Central preferred) and log analysis (Graylog), monitors alerts, investigates incidents, manages vulnerabilities, and supports ISO 27001/SGSI certification and audit processes.
Information Security Engineer
Information Security Engineer at Tenable, a cybersecurity (exposure management) company, helping evaluate, deploy and maintain internal security systems across on-premise, cloud and SaaS environments. Day to day includes supporting security tooling, remediating threats, and participating in security reviews of AI/LLM-enabled products; requires 3-5 years of infosec experience and hybrid on-site wor
Technical Writer & Instructional Designer
A remote 6-month contract role owning end-to-end technical learning content: designing hands-on LLM/API/vector-database workshops, curriculum, and API/SDK documentation for developer audiences. Requires 3+ years in technical writing or instructional design plus working knowledge of Python/TypeScript and AI developer tools.
R&D System Integration Engineer
At Cognyte (security and intelligence analytics software), you integrate and validate systems end to end, own the system test process, investigate cross-component failures, and build integration tooling like simulators and data injectors. Core stack: Matlab, Python, C/C++ on Linux and embedded systems, working closely with backend and algorithm teams.
Senior Sales Engineer
Solutions Engineer at OX Security: Own the technical sales cycle, deliver demos and POCs, and advise customers on securing AI-driven SDLC and cloud runtime.
Machine Learning Engineer
Design, build, and evaluate ML systems for AI safety and model evaluation applications, including reinforcement learning, LLMs, and multimodal systems, using Python and frameworks like PyTorch or JAX.
Cybersecurity Engineer
Builds and secures cloud-based infrastructure and automation tools for adversarial testing of AI systems, focusing on AI-enabled cyber risks and scalable security evaluations.
AI Red Teamer, Cyber
An AI red teamer who designs and runs adversarial security assessments against AI systems and supporting infrastructure — crafting prompts, attack chains, and adversarial inputs to uncover vulnerabilities and unsafe behavior, then documenting and communicating risk. Core stack: Linux, Python/Bash scripting, and tools like Splunk, Wireshark, Metasploit, Burp Suite, and Nmap.
Engineering Manager, Internal Attack
Horizon3 is hiring an Engineering Manager to lead its Internal Attack Engineering team building NodeZero's autonomous, production-safe internal pentesting across Active Directory, Linux/Unix hosts, databases, and network infrastructure. A hands-on offensive-security leadership role (Python, CI/CD, AD tradecraft), fully remote in the US with up to 10% travel.
Director, Sales - Data & AI Security
Leads the DACH sales team for Securiti AI’s data and AI security, privacy, and compliance solutions, driving revenue growth and enterprise deals with C-level executives.
Senior Sales Engineer - Majors (East)
A Senior Sales Engineer bridges technical expertise and sales strategy at Datadog, educating enterprise clients on observability and security solutions while driving customer engagement, competitive analysis, and product feedback loops.