Staff SOC/CSIRT Engineer

Status
Paris, France
Full time
Hybrid
Compensation is not specified
Role
Security Engineer
Description

Founded in 2014, Ledger is a global platform specializing in digital assets and Web3 technology. With offices worldwide and a team of over 600 professionals, Ledger is dedicated to creating products and services that enable individuals and companies to securely engage with crypto assets.

Ledger embodies core values that include Pragmatism, Audacity, Commitment, Trust, and Transparency. The company is looking for a detail-oriented Staff SOC/CSIRT Engineer to join its Security Operations Center (SecOps) team. In this role, you will play a crucial part in safeguarding company assets against cyber threats across various environments.

Your responsibilities will revolve around conducting advanced security operations, optimizing security tools, and proactive threat detection. Key tasks include enhancing threat detection capabilities using Cyber Threat Intelligence (CTI) and Open Source Intelligence (OSINT), optimizing security toolsets, and leading threat-hunting initiatives.

Responsibilities:

  • Advanced Incident Handling: Manage SOC Level 3 activities, including threat detection, incident response, and post-incident analysis through proactively identifying and mitigating risks.
  • SIEM & SOAR Operations: Develop and maintain Sekoia (SIEM) and associated workflows to ensure efficient threat detection and response. Create advanced detection rules and automation workflows tailored to Ledger's operational environment.
  • Threat Intelligence Integration: Utilize CTI feeds and OSINT tools to enrich security operations for improved incident response. Provide valuable insights to shape detection strategies.
  • Cloud Security: Apply AWS security best practices for monitoring and securing cloud environments. Leverage tools like Wiz and CNAPP for identifying and mitigating cloud vulnerabilities proactively.
  • Incident Response & Forensics: Lead technical investigations for high-priority incidents, perform root cause analysis, and recommend preventive measures. Employ advanced forensic tools and techniques to assess and respond to complex threats.
  • Collaboration & Documentation: Collaborate with cross-functional teams to align operational practices with organizational goals. Develop comprehensive playbooks, detection rules, and technical runbooks for improved response efficiency.

Requirements:

  • 9+ years of experience in security operations, specializing in SOC Level 3 activities and incident response.
  • Proficiency in Sekoia (or similar SIEM tools), SOAR platforms, and CTI/OSINT methodologies.
  • Strong knowledge of AWS security practices and cloud-native threat monitoring.
  • Hands-on experience with tools such as Wiz, SentinelOne, and GitHub Actions for automation.
  • Excellent problem-solving skills and ability to handle intricate security challenges.
  • Effective communication skills and the ability to convey technical concepts to diverse teams.

Benefits:

  • Stock options to share in the company's success.
  • Flexible hybrid work policy.
  • Annual company outings and social events.
  • Comprehensive health insurance coverage.
  • Personal development programs and fitness initiatives.
  • Generous vacation policy with additional leave days.
  • Access to high-performance office equipment and gadgets.
  • Transportation reimbursement and employee discounts on products.

Ledger is an equal opportunity employer that values diversity and inclusion in all aspects of employment.

Skills Required
Avatar
Ledger
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

Earn $300-$1000/week - 50% Comission (crypto offers)

Part time
Hybrid
I am looking for serious closer/affiliate to sell a proven digital product 
Offers :
 product price :$97 
Your cut : 50% ( $48 per sale ) 
Paid same day in USDT after proof of sale 
Why this converts: Beginner friendly "make money" angle
Clear outcom: generate 150+ USDT in 24h
no subcription/no API cost
Ready- to use- landing page
Your role: 
Promote your link 
Close deals ( Dms,network,clients)
Product : lead generation tool ( Google maps ) packaged as a "cash systeme" already tested strong-demand 
Number close 
5 sales/day = $240 day no cap
Looking for motivated sellers only .
Send "Ready" to get started
Payment in Crypto
83.33-83.33
Monthly
See details

Expert AI Video Creator for Realistic Human Avatars (Marketing Videos)

Part time
Remote
We are looking for an experienced AI video creator to produce high-impact marketing videos for our landing pages and website. The main goal is to drive conversions by showcasing our products/services with engaging, realistic AI-generated content.
Critical requirement:
Videos must feature ultra‑realistic AI human avatars (spokespersons) that are virtually indistinguishable from real people. Natural voiceovers, perfect lip‑sync, and professional quality are a must.
Preferred tools (but not limited to):
Creatify.ai, Synthesia, HeyGen, DeepBrain AI, or any other leading platform known for realistic AI human generation. Please specify which tools you are proficient in.
Payment in Crypto
500-1,000
Monthly
See details

Marketing Performance Manager

Tbilisi, Georgia
Tbilisi, Georgia
Full time
Office
Marketing Performance Manager — Elements of a Soul
Location: Tbilisi, Georgia
Format: On-site · Full-time
Elements of a Soul (EOAS) is a Web3 MMORPG set in 2137, combining open-world gameplay, real Bitcoin mining integration, and an NFT-driven player economy.
We are looking for a Marketing Performance Manager to turn marketing performance data into clear growth decisions.
Key Responsibilities
Lead performance analytics and reporting
Set up tracking, build dashboards, define KPIs per KOL, cohort, channel, and campaign, manage UTM and on-chain attribution, run A/B tests, and translate data into actionable growth decisions.
Optimize campaign performance
Track paid, token-based, and performance-based partnerships, evaluate ROI, identify growth opportunities, and improve conversion from community attention to measurable results.
Support Web3 growth strategy
Contribute to campaign planning around NFT mints, token-related activations, whitelist campaigns, community growth, and player acquisition.
Requirements
Crypto/Web3 experience is a hard requirement
You have personally worked on or launched projects involving token launches, NFT mints, on-chain economies, Web3 communities, or crypto-native growth campaigns.
Deep Web3 fluency
You understand NFTs, tokens, tokenomics, P2E models, DAOs, crypto community behavior, and what drives trust, hype, engagement, and conversion in Web3 audiences.
Strong performance marketing background
3+ years of experience in performance marketing, ideally with proven results in crypto/Web3, community acquisition, or growth experiments.
Analytics-driven mindset
Analytics is part of your daily workflow. You are confident with platform analytics, Google Analytics, spreadsheets, A/B testing, campaign reporting, and performance optimization.
Nice to Have
These are not hard requirements, but they will make a candidate especially strong for this role:
Hands-on experience with NFT mints, OpenSea campaigns, token launches, tokenomics-based activations, or whitelist campaigns
Experience with crypto-native analytics tools such as Dune, Nansen, DappRadar, or similar platforms
Basic SQL or Dune query skills
Experience with automation tools such as n8n, Zapier, Make, CRM systems, or campaign tracking workflows
Experience in running KOL’s & Ambassador campaigns 
Gaming, Crypto, GameFi, or player community growth experience
What We Offer
Competitive compensation
Direct collaboration with the founders
Freedom to build the marketing performance function from scratch
Career growth path 
On-site work in Tbilisi with the core team
How to Apply
Please send:
CV (Marketing/Growth Portfolio would be an advantage)
Links to crypto/Web3 projects you have worked on, including your specific role and impact
An analytics, dashboard, reporting, or A/B test case study
Examples of KOL, ambassador, creator, or community growth campaigns with results (nice to have)
A short note on why EOAS interests you
Apply via: yulia@elementsofasoul.com

Web3 Fullstack Developer

Part time
Remote
🌐 About Us
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.

Senior Blockchain Developer - Ethereum/PulseChain - GAM3S.GG

Lisbon, Portugal
Lisbon, Portugal
Full time
Remote
About the Job
We're looking for a Senior Blockchain Developer with strong Ethereum/PulseChain smart contract experience to work on our DeFi/GameFi platform. You'll be building and maintaining betting contracts, yield farming mechanisms, token swap systems, and Web3 frontend integrations for our decentralized application on PulseChain.
Key Responsibilities
Smart Contract Development
System Architecture & Integration
Frontend Web3 Integration
Security & Compliance
Performance & Monitoring
Required Technical Skills
Blockchain Expertise
Frontend Web3 Development
Development Tools
Integration & Tools
Payment in Crypto
10,417
Monthly
See details