10,201 Cybersecurity jobs
Open tech roles at companies in cybersecurity.
Information Security Engineer
Early-career security engineer on Tenable's internal InfoSec team, splitting time between cloud security operations (monitoring and remediating findings across AWS/Azure/GCP with CNAPP/CSPM tooling) and security architecture reviews, threat modeling, IAM/least-privilege work, and assessing AI/LLM system risks. Hybrid role based in Columbia, MD.
Information Security Analyst
Mid-level Risk and Compliance Analyst on Tenable's InfoSec team: handles security questionnaires, third-party vendor risk assessments, internal/external audits (including FedRAMP), and remediation for Tenable's products and cloud services. Hybrid/onsite at HQ in Columbia, MD.
Senior AI Information Security Engineer
AI Security Engineer on Tenable's Information Security team, securing AI/ML across Tenable products and the enterprise: designing AI lifecycle security controls, threat modeling AI systems, doing model-internals safety research, and building guardrails/tooling for LLMs and agentic workflows. Core stack: Python/Go, PyTorch/Hugging Face, interpretability tools, AWS/Azure/GCP.
Founding Engineer
Founding engineer at a seed-stage security startup (YC W25) that maps cloud infrastructure the way an attacker would, helping security teams find and fix vulnerabilities. Day to day you'd build graph-based infra mapping, agent-driven vulnerability triage, and real-time attack visualization using Cartography, Neo4j, Python/FastAPI, Svelte, and Terraform — onsite in San Francisco.
Senior Program Manager
Senior Program Manager at Applied Research Solutions supporting the U.S. Air Force Cyber Resiliency Office for Weapon Systems (CROWS) in Dayton, OH — tracking cost, schedule, and performance; managing budgets and reporting; and preparing executive briefings for classified cyber programs. Requires TS/SCI clearance, DoD experience, and USAF weapon systems acquisition background.
Senior Product Manager - Sovereign AI
Dream builds ATLAS, an on-premise, air-gap-capable AI platform that lets governments and critical-infrastructure operators ingest, connect, and act on sensitive data. The Senior Product Manager in Tel Aviv owns a shared platform capability (e.g., data ingestion, retrieval, or AI-agent workflows), running customer discovery, setting roadmap decisions, and supporting demos and commercial conversatio
Full-Stack Developer - AI-Driven Security Apps
Full-stack developer role at Digital Waffle building secure web applications: React and Node.js work, REST API development, and SQL/NoSQL databases, with strong application-security practice (OWASP, authentication, data protection) and essential AI experience such as LLM knowledge, prompting, and AI-assisted coding and debugging.
Cloud Security Backend Engineer (Go/Java) – Hybrid
Backend engineer at Ocho in Belfast owning the end-to-end backend lifecycle for an enterprise cloud security platform, working in Go/Java alongside DevOps and Security teams. Hybrid role with three onsite days per week in Belfast.
Senior Cybersecurity Engineer - 26-024 - Hybrid
Senior cybersecurity engineer for a Navy program, integrating security requirements, scanning systems for vulnerabilities, and guiding remediation to achieve ATO/IATT under RMF.
Technical Writer – 26-038
AUSGAR Technologies, a service-disabled veteran-owned DoD contractor, is hiring a full-time Technical Writer at NIWC PAC in Point Loma, San Diego to create and maintain technical documentation (test plans, user manuals, SRS, SOPs, white papers) for multiple defense programs, meeting CDRL and DoD style-guide standards. An active Secret clearance is required.
Senior Cybersecurity Analyst - 26-022 - Hybrid
Senior Cybersecurity Analyst implements NIST RMF controls, assesses risks, and maintains security documentation for a DoD program in San Diego.
Cybersecurity Engineer - Mid-Level - 26-025 - Hybrid
Senior Cybersecurity Engineer supporting a Navy program to implement and integrate cyber requirements, run compliance scans, and remediate vulnerabilities to achieve system ATO/IATT.
Cybersecurity Analyst - Mid-Level - 26-023 - Hybrid
Cybersecurity Analyst implementing RMF processes, NIST controls, and POA&Ms for a DoD contractor in San Diego, working with ISSMs and stakeholders.
Senior Full-Stack Developer — Hybrid, Learning Budget
Builds web experiences for a post-quantum secure access platform, working across the stack from TypeScript services and APIs to polished React interfaces used by IT teams. Senior role on a small engineering team, hybrid based in Lisbon, with a competitive salary and learning budget.
Full Stack Developer
Full Stack Developer building the web experiences around a post-quantum secure access platform, working hybrid from Lisbon in a small senior team. Day to day: TypeScript/Node.js services and APIs, React interfaces, data modeling, code reviews and testing.
Identity Security Engineer - Customer Delivery
Customer-facing IAM consultant at identity-security startup Way Security in Tel Aviv: owns customer implementation projects end to end — scoping, configuring, and deploying SSO, MFA, provisioning, and app onboarding across enterprise environments using platforms like Okta, Entra ID, and SailPoint, plus standards like SAML, OIDC, and SCIM.
AI Engineer
The AI Engineer will build and deploy LLM-powered agents and identity-specific security features for the Linx platform. This role involves end-to-end development of AI systems, focusing on scalability, reliability, and integration with backend infrastructure.
Cybersecurity Cloud Automation Engineer
Accenture Federal Services seeks an onsite Cloud DevOps/automation engineer in Lorton, VA to support Cyber Security Operations — building threat hunt analytics, malicious detections, workbooks, and secure end-to-end CI/CD pipelines using Azure, IaC/CaC, and container orchestration. Requires an active TS/SCI clearance and 8570 IAT II (Security+).