--- title: 'Senior CyberSecurity Researcher, Paris at FledgeHQ' canonical: 'https://feeny.ai/job/senior-cybersecurity-researcher-paris-fledgehq-paris-z1vjkdsmmbex' type: 'job' last_seen: '2026-09-13' --- # Senior CyberSecurity Researcher, Paris at FledgeHQ - **Company:** FledgeHQ - **Location:** Paris, France - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-05-26 - **Last confirmed live:** 2026-09-13 - **Apply:** https://jobs.gem.com/fledge/am9icG9zdDp-Ik_Z8EH5okX2abmxIYZp ## Job description Senior CyberSecurity Researcher Paris Hybrid / Full-time Fledge We are a boutique Talent search firm connecting exceptional Talent with the most innovative companies in the AI and software development industries across EMEA. Our clients are among companies with innovative products that have a positive impact on our societies and we present them with a solution model between fine consulting and flexible recruitment process outsourcing : - Fractional Talent acquisition advisory - Recruitment operation tools - On-demand Talent sourcing expertise Job Summary We are seeking a highly skilled and motivated Senior Security Researcher to join our team and focus on addressing security challenges related to secrets in the new world of agentic AI. You'll join the cybersecurity research team. The team brings backgrounds from CISO roles, red teaming, penetration testing, development, and vulnerability research, with recent participation at major conferences such as Real World Crypto, SSTIC, Black Alps, Northsec and KubeCon. In this role, you will - Day-to-day, you will investigate novel and existing tactics to find and abuse exposed credentials, then publish your findings as authoritative research. This means analyzing ongoing threats and attacks, exploring new exploitation techniques, and documenting emerging tactics. You will also collaborate with our engineering teams to identify ways to improve our products in terms of secret validation and coverage. - This role requires cross-functional expertise, primarily in cybersecurity, as well as in software development and data analysis. You will collaborate closely with colleagues in the internal Security team and report to the cybersecurity research lead. You'll spend roughly 70% of your time on research and 30% producing content to share findings with the security community. - As a researcher, you will track offensive trends and techniques, and work closely with our marketing team to produce 2–3 technical deep-dive articles or talks per quarter. Recent publications can be found on our security research blog. About you: If you think you match at least 70% of these criteria, please apply! Here's what we consider essential for success in this role: - 5+ years of experience working in a security engineer role, with 2+ years dedicated to research-related work, or equivalent. - Strong offensive security background (pentesting, vulnerability research, or red team experience) with the ability to think like an attacker and translate that into defensive insights. - Experience with reverse engineering (binary analysis, malware inspection, malicious packages) and API/web security (OAuth, JWT, token validation, secret exposure patterns). - Comfortable working with modern infrastructure, such as cloud platforms (AWS, GCP, or Azure) or AI/LLM ecosystems, and able to assess their specific security implications. - Leverage AI tools actively in your day-to-day research workflow, whether for automation, analysis, or accelerating prototyping. - Proficient in at least one system or scripting language (Python, Go, or Rust), fluent with a terminal, and able to independently retrieve, transform, and analyze datasets to support research conclusions. - Track down complex security problems in software and infrastructure and define their solutions. - Enjoy hacking things and rapidly prototyping ideas. - Drive research autonomously, identify topics, conduct investigations, and publish findings, while partnering with engineering and product teams to translate insights into platform improvements. - Public research track record: CVEs, conference presentations, open-source tooling, or technical publications. - Fluent in English (written and spoken), with strong communication skills: you can explain complex vulnerabilities clearly to both technical and non-technical audiences and present at international conferences. ## Nice to Have - Understand supply chain security, including how attacks propagate through package registries (npm, PyPI, DockerHub), GitHub Actions workflows, and dependency automation tools. - Experience monitoring ongoing attacks, correlating signals across multiple data sources, reconstruct breaches, and having published your findings to the security community. ## Benefits - Top of the market salary - Equity plan - Relocation support - 🏡 Remote policy: hybrid (3 days/week at the office in Paris) - 📈 Opportunities for career development in the long term - Etc. How to Apply If you are excited about this opportunity and believe you are a great fit for the role, please send your resume and a brief cover letter outlining your experience and what motivates you to join our client. 🌈 Diversity, Equity, Inclusion and Belonging We are committed to enabling everyone to feel included and valued and trust our partners to do the same. Both the company and its culture are strongest when composed of diverse experiences and backgrounds. All qualified applicants will receive consideration for employment without regard to age, color, family, gender identity, marital status, national origin, physical or mental disability, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws. ℹ️ Important If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best - please let us know so we can talk about how we can best support you and make any adjustments that may be needed. In case of any doubts or questions, please contact Julien - j.entresangle@fledge.net ## About FledgeHQ ## Company Overview - **One-liner**: Fledge is a boutique talent acquisition and search firm that helps tech companies and startups hire niche technical talent in Europe and the US. - **Entity Type**: Private (bootstrapped, no disclosed funding rounds) - **Headquarters**: Paris, Île-de-France, France (with a second office in Austin, Texas, USA) - **Founded**: Year not publicly available - **Founders**: Founders not publicly listed ## Core Business - **Primary industry**: Talent acquisition / Recruitment services for the technology sector - **Target customers**: B2B – primarily early- to growth-stage startups and scale-ups in Europe and the US, with a focus on engineering, data, AI, and security roles. - **Mission/purpose**: “Making hiring, work for everyone” – providing human-centric, tailored talent solutions that put people first and help both companies and candidates thrive. ## Products & Services - **Tailored Talent Search (Retained & Contingent)**: Full-cycle sourcing and recruitment of senior technical and leadership roles, including Founding Engineers, Cybersecurity Researchers, and Product Engineers. - **Fractional Talent Acquisition Advisory**: Embedded recruitment consultants who work directly with hiring managers to accelerate operations. - **Recruitment Operation Tooling**: Support for implementing sustainable talent management processes and employer branding. - **On‑demand Talent Search** (“Plug and Play”): Rapid, flexible sourcing for specific technical roles without long-term commitment. - **Coaching & Legal Support**: Career coaching for candidates and assistance with contract negotiations, compensation, and promotion discussions. ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: Annual revenue not publicly available; total funding rounds not applicable (bootstrapped) - **Notable Investors/Partners**: No disclosed investors; partners with innovative startups and progressive tech companies; clients include Photoroom, Glady, ING Belgium, Wordsmith AI, and others (based on alumni data). - **Growth Signals**: - LinkedIn followers: 1,448 (yearly growth +12.6%) - Website traffic: 2,085 monthly visits (yearly growth +60.4%) - Workforce distributed across France, Spain, Colombia, Belgium, and the US - Recent expansion into Mexico City (hiring Forward Deployed Engineer to serve Latin American talent pool) - Active hiring campaigns for multiple portfolio startups (security, growth, engineering roles) ## Competitive Advantages - **Niche specialization**: Deep focus on tech talent in Europe and the US, particularly in AI, cybersecurity, data, and engineering – areas where generalist agencies often lack expertise. - **Human‑centric approach**: Emphasis on coaching, legal support, and career progression for candidates differentiates from high‑volume RPO (Recruitment Process Outsourcing) firms. - **Boutique, tailored service**: Small team (6 people) allows close partnership with founders and hiring managers, offering fractional advisory and flexible engagement models. - **Data‑driven sourcing**: Use of analytics to identify root causes in hiring processes and improve employer branding. ## Strategic Focus - **Geographic expansion**: Actively building presence in Latin America (Mexico City) to complement European and US operations, targeting bilingual candidates. - **Deepening AI & security practice**: Increasing placement volume in AI, cybersecurity, and governance roles (reflected in recent job postings). - **Strengthening candidate‑side offerings**: Expanding coaching and legal support to attract top passive talent and build a strong talent community. ## Why Work Here - **Culture**: Described as “human‑centric” and talent‑first; the team is lean (6 people) with a collaborative, remote‑friendly ethos. - **Work policy**: Hybrid and remote options available – some roles are fully remote, others are hybrid in Paris; flexibility depends on the client company. - **Notable perks**: - Exposure to cutting‑edge startups in AI, cybersecurity, and growth - Opportunity to work with a distributed international team - Coaching and legal support also available to internal team members? (not explicitly stated, but the firm values career development) - Emphasis on “positive impact” and progressive hiring practices. - **Engineering culture**: For technical candidates placed through Fledge, the firm focuses on high‑impact roles (Founding Engineer, Forward Deployed Engineer) with strong mentorship and autonomy. ## Sources 1. [fledge.net](https://www.fledge.net/) 2. [linkedin.com/company/fledgehq](https://www.linkedin.com/company/fledgehq) 3. [fledge.net/candidates](https://www.fledge.net/candidates/) 4. [fledge.net/companies](https://www.fledge.net/companies/) 5. [fledge.net/contact](https://www.fledge.net/contact/) ## Other roles at FledgeHQ - [Director of Growth Marketing, Paris](https://feeny.ai/job/director-of-growth-marketing-paris-fledgehq-paris-fppammw3mdh7) — Paris, France - [Forward Deployed Engineer - Series A - HR Tech](https://feeny.ai/job/forward-deployed-engineer-series-a-hr-tech-fledgehq-mexico-city-xxmq4macfy7t) — Mexico City - [Founding Product Engineer - Early stage](https://feeny.ai/job/founding-product-engineer-early-stage-fledgehq-paris-02q9my4mj33b) — Paris, France - [Backend Engineer - 2nd hand Marketplace](https://feeny.ai/job/backend-engineer-2nd-hand-marketplace-fledgehq-barcelona-2bhmt3gnpzsa) — Barcelona, Spain - [Forward Deployed Engineer - Series A - HR Tech](https://feeny.ai/job/forward-deployed-engineer-series-a-hr-tech-fledgehq-barcelona-8vg4p6wj6gk2) — Barcelona, Spain - [Senior Product Designer - Scale Up - 2nd hand Marketplace](https://feeny.ai/job/senior-product-designer-scale-up-2nd-hand-marketplace-fledgehq-barcelona-rpy7q5vs68j4) — Barcelona, Spain - [Machine Learning Engineer - Scale Up - 2nd hand Marketplace](https://feeny.ai/job/machine-learning-engineer-scale-up-2nd-hand-marketplace-fledgehq-barcelona-0c5sx1avgm9r) — Barcelona, Spain - [Staff BackEnd Engineer - Series A - HR Tech](https://feeny.ai/job/staff-backend-engineer-series-a-hr-tech-fledgehq-barcelona-v7cvnqv4639t) — Barcelona, Spain - [Forward Deployed Engineer - Series B - AI Customer Agents](https://feeny.ai/job/forward-deployed-engineer-series-b-ai-customer-agents-fledgehq-paris-znf7m0g5w711) — Paris, France - [Lead Account Manager - EMEA - NY based startup](https://feeny.ai/job/lead-account-manager-emea-ny-based-startup-fledgehq-paris-gw0w4a67dwrp) — Paris, France