---
title: 'Senior Threat Hunter at SimSpace Corporation'
canonical: 'https://feeny.ai/job/senior-threat-hunter-simspace-corporation-united-states-h8pc21qg7d8r'
type: 'job'
last_seen: '2026-09-10'
---

# Senior Threat Hunter at SimSpace Corporation

- **Company:** SimSpace Corporation
- **Location:** United States
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2026-09-04
- **Last confirmed live:** 2026-09-10
- **Apply:** https://jobs.ashbyhq.com/simspace-corporation/476755e9-84b8-4e5c-a9ae-a27e59c2580b

## Job description

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. Founded in 2015 by experts from U.S. 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.

Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers.

How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth.

Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. 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 invite you to apply today!

We are looking for a Senior AI-Centric Threat Hunter We are looking for a highly motivated Cybersecurity Professional to support mentorship and assessment of global security teams in basic to advanced cybersecurity skill areas. The ideal candidate has a strong technical background, is enthusiastic, is good at problem solving, has a strong desire to learn, prefers to be hands-on technically, and constantly strives for excellence. 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
- Keep up with industry evolution around AI and cybersecurity operations reviewing publications and standards
- Bring world class mentorship of advanced threat hunting tactics and strategy for our global clients and international organizations.
- Utilize years of Blue Teaming experience to establish parsing rules, dashboards, and tuning of numerous enterprise security tools in our cyber range platform to exceed client goals and objectives.
- Work with our range operations team to develop toolsets and scenarios within a cybersecurity range to model real-world threat defense scenarios.
- Utilize foresight and awareness of overall business priorities when dealing with competing requirements and needs from across the organization in order to build consensus and drive results.
- Takes initiative in day-to-day tasks, leads projects, and mentors other team members.
- Navigate and work effectively across a complex, geographically dispersed organization.
- Support assessment of customer security teams and customer events (travel estimated up to 25-30%).

What are the qualifications to apply? To be successful as a Senior AI-Centric Threat Hunter on SimSpace’s Evaluation Team, you need to have:

- Demonstrated proficiency in AI/ML engineering, including practical application and experimentation with AI agents, LLM APIs.
- Possess a deep understanding of AI agents, specializing in the orchestration of agent decision loops, tool access frameworks, and memory systems optimized for threat hunting and proactive security operations.
- Architecting RAG Systems: 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.
- Ability to apply Cyber Threat Intelligence through enrichment, correlation, and attribution.
- Experience with setup and/or troubleshooting of security stacks.
- Familiarity with offensive security strategies and assessment methodology.
- 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.
- Demonstrated self-starter with a constant desire to help others improve and build the team.

We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success:

- Compensation. Base salary range: $120,000 - $150,000 reflecting our confidence in your expertise and impact, with the opportunity for commission tied to company performance and individual contributions.
- Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one!
- Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health.
- Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match.
- Flexible Time Off. Take the time you need with unlimited vacation and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work-life needs of team members.
- Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments.
- Ownership Opportunities. Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success.
- Referral Rewards. Earn $1,500–$3,500 for every qualified hire through our employee referral program.
- Peloton Interactive Wellness Program. Full- and partial-subsidized membership plans and equipment discounts to help you reach your personalized fitness goals.
- Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development.
- Social Connections. Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community.
- Extra Perks. Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details.

Join SimSpace and enjoy benefits that enhance your career, health, and happiness! SimSpace is an Equal Opportunity Employer: In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

SimSpace is an Equal Opportunity Employer. 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. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application!

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. If you need assistance or accommodation due to a disability, please contact careers@simspace.com.

SimSpace does not accept unsolicited resumes from employment agencies.

Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.

## About SimSpace Corporation

## Company Overview
- **One-liner**: SimSpace provides a realistic, intelligent cyber range platform where human operators and AI agents train and test together in a digital replica of production environments to build cyber readiness and resilience.
- **Entity Type**: Private (Series B) – Total funding of $84M (LinkedIn) or $85.5M (CB Insights, conflicting reports)
- **Headquarters**: Boston, Massachusetts, United States (primary per LinkedIn and company website); a recent news snippet indicates a move to Orlando, Florida (source: CB Insights)
- **Founded**: 2015
- **Founders**: Peter Lee (CEO), Lee Rossey (CTO & Co-Founder), William “Hutch” Hutchison (Co-Founder)

## Core Business
- **Primary industry**: Cybersecurity – cyber range and simulation platforms
- **Target customers**: Allied governments, militaries, commercial enterprises, critical infrastructure, financial services, healthcare, higher education, insurance
- **Mission/purpose**: “Defend the free world” by strengthening teams, processes, and technologies to outsmart adversaries before the fight begins

## Products & Services
- **[AI Proving Grounds / Cyber Range Platform](https://simspace.com/)**: A unified cyber simulation platform that generates synthetic, precision-labeled training data and allows testing of AI agents alongside human operators in a high-fidelity replica of the customer’s production environment. Supports training, validation of cybersecurity controls, and continuous mission rehearsal.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric**: Annual revenue of **$42.5M** (LinkedIn estimate); Total funding of **$84M** (LinkedIn) / **$85.5M** (CB Insights)
- **Notable Investors/Partners**: Investors not named in available sources; recognized by Gartner and Forrester for its cyber range technology; origins from US Cyber Command and MIT Lincoln Laboratory
- **Growth Signals**: 161 employees (+8.1% YoY); won the **Security Training Innovation Award** (CyberSecurity Breakthrough Awards 2024); recent funding rounds in Dec 2023 ($45M) and Oct 2025 ($19.5M debt/venture)

## Competitive Advantages
- **High-fidelity digital replica** of actual production environments, enabling realistic testing without risk
- **Unified platform** for training human operators and testing AI agents, a differentiator in the cyber range market
- **Proven pedigree** – built for elite US military and intelligence communities by former US Cyber Command and MIT Lincoln Laboratory innovators
- **Industry recognition** – cited by Gartner and Forrester for real-world threat simulations and high-fidelity technology

## Strategic Focus
- **AI Proving Grounds** – converging human and AI agent training and testing in a single environment
- **Agentic solutions safety** – ensuring AI agents are safe and trustworthy before deployment
- **Strengthening cyber resilience** for critical infrastructure and government clients against AI-fueled threats

## Why Work Here
- **Culture**: Emphasizes “Human Centered By Design” with values like Owner & Investor (equity grants), Wellbeing Focused, Teamwork Without Borders, and Serve to Protect. Strong focus on community, connection, and ongoing learning.
- **Remote/Hybrid**: Flexible work environment; job postings include remote positions (e.g., Remote Senior Product Manager, Hiring Partner – Contract Remote)
- **Benefits**: Health, dental, vision from day one; 401k with company match; flexible PTO; equity; LinkedIn Learning membership; wellness program with fitness classes; employee resource groups
- **Engineering culture**: Roles like Staff Software Engineer, Staff Site Reliability Engineer indicate a strong technical team. Average salary for Engineering Manager is ~$173k/year (LinkedIn data). Interview process includes a dedicated career partner.
- **Ratings**: 3.7/5 on LinkedIn (65 reviews) with work-life balance 4.1, compensation 4.1, culture 3.8, career 3.8

## Sources
1. [SimSpace Homepage](https://simspace.com/)
2. [SimSpace Careers Page](https://simspace.com/careers/)
3. [SimSpace About / Company Story](https://simspace.com/company-story/)
4. [SimSpace LinkedIn Profile](https://www.linkedin.com/company/simspace-corporation)
5. [CB Insights Profile](https://www.cbinsights.com/company/simspace)

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