SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days.
That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Whether you're remote or office-based, you'll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world.
We are looking for a Senior AI-Centric Threat Hunter who will work remotely in the European Union.
We are looking for a highly motivated Cybersecurity Professional to support mentorship and assessment of integral security teams in basic to advanced cybersecurity skill areas. The Senior AI-Centric Threat Hunter will be part of a team developing methodologies of incorporating AI agents into cybersecurity workflows, designing experiments to help develop/test AI agents and models, delivering instructional content to customers, and facilitating a variety of Blue Team exercises for SimSpace and our customers. When facilitating exercises, you will be responsible for teaching security concepts, demonstrating practical/hands‐on use of open source and commercial security tools; referencing both well established and cutting‐edge techniques that Cybersecurity Incident Response Teams might use to effectively defend their networks from advanced cyber threats.
What will you be doing as a Senior AI-Centric Threat Hunter at SimSpace?
Lead an internal initiative to research and integrate candidate agentic capabilities into test environments




Serve as a consultant to customers looking to integrate agentic capabilities into their cybersecurity enterprise in how to identify, integrate and test capabilities prior to deployment
Bring world class mentorship of advanced threat hunting tactics and strategy for our global clients and international organizations.
Takes initiative in day‐to‐day tasks, leads projects, and mentors other team members.
To be successful as a Senior AI-Centric Threat Hunter on SimSpace's Evaluation Team, you need to have:
Hands‐on experience designing and deploying Retrieval‐Augmented Generation (RAG) pipelines to ground LLMs in internal threat intelligence, historical incident data, and enterprise security policies while eliminating hallucinations.
Advanced proficiency in Python and standard data science/AI libraries, alongside strong scripting skills for data manipulation (Pandas, Numpy).
Familiarity with open‐source AI ecosystems (Hugging Face) and frameworks for running local, privacy‐safe LLMs (Ollama, vLLM).
6+ years of experience in a technical role in the areas of Security Operations, Incident Response, Detection Engineering, Offensive Security/Red Team, or Cyber Threat Intelligence.
Experience analyzing host, network, and application telemetry for indicators of attack across the stages of the cyber kill chain.
Direct experience working with very large datasets and log analysis tools including but not limited to: Splunk, Elastic, Python, Pandas, SQL, Hadoop, Hue.




Experience explaining threat hunt objectives to mixed technical and non‐technical audiences and ability to communicate associated risk by distilling complex content into digestible information.
Hands‐on technical experience and ability to demonstrate hunting for indicators of compromise in numerous enterprise scale EDR and SIEM tools to include Splunk, Elastic, Crowdstrike, and many other major vendors.
Previous experience performing digital forensics or indecent response on major security incidents.
Competitive salary reflecting our confidence in your expertise and impact, with the opportunity for commission tied to company performance and individual contributions.
Comprehensive medical, dental, and vision benefits, plus savings plans.
Access to company‐paid counseling, coaching, and resources for you and your family through Spring Health.
Equity stock options at hire, with annual performance‐based grants—become an invested stakeholder in our shared success.
Access a LinkedIn Learning membership to prioritize your personal and professional development.
Social Connections. Extra Perks. Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life's details.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients.
Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures.

📌 Remote - EU - Senior Threat Hunter (Madrid)
🏢 SimSpace
📍 Madrid