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
Ledger
Website
www.ledger.comCompany size
Not specified
Location
United States
Description
Ledger is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. We are constantly looking for innovative, talented people to join our team.
Status
CoinCROWD
CoinCROWD - DevOps Engineer
Bangalore, India +9
Bangalore, India +9
Full time
Remote
DevOps Engineer , RemoteWho we areCoinCROWD is building the future of crypto spending with CROWD Wallet, a secure, user-friendly wallet designed for seamless cryptocurrency transactions in the real world. We’re not just another fintech startup—we’re a bunch of tech nerds, problem solvers, and occasional meme creators who thrive on making things work (and work well!). If you love automation, scalability, and keeping infrastructure costs from burning a hole in the budget, you’re going to fit right in! What you’ll be doingAs our DevOps Engineer, you’ll be the guardian of Google Cloud, the Docker whisperer, and the Prometheus prophet who ensures our infrastructure is rock solid and our monitoring doesn’t just scream“everything is on fire!”Your daily adventures include:✅ Taming the cloud – Managing Google Cloud Platform (GCP) infrastructure like a pro while optimizing costs (because we prefer spending money on cool tech, not unnecessary cloud bills).✅ Containerizing all the things – Wrangling Docker and ensuring deployments don’t turn into "works on my machine" disasters.✅ Keeping an eye on everything – Setting up Prometheus and Grafana, so we catch issues before they catch us.✅ Automating away the pain – Writing scripts, automating tasks, and setting up CI/CD pipelines so deployments are smooth (and don’t require holding hands and praying).✅ Making sure things scale, not fail – Optimizing performance and keeping infrastructure stable, even when traffic spikes like it’s Bitcoin in 2021.✅ Collaborating, not just configuring – Working closely with developers to make sure deployments are seamless and the system runs like a well-oiled crypto machine.What we need from youWe’re looking for a self-motivated, go-getter who thrives in a startup-like environment and embraces feedback like a true DevOps warrior.You’ll be our perfect match if you:• Have 3+ years of experience in DevOps, Cloud Engineering, or a similar role.• Know GCP inside and out—bonus points if you’ve optimized cloud costs before and can proudly talk about it.• Speak fluent Docker and don’t panic when things go wrong in containers.• Are a monitoring guru with Prometheus and Grafana (because logs shouldn’t just be black holes of despair).• Are a CI/CD ninja (Jenkins, GitHub Actions, GitLab CI, or similar).• Believe in "automate or regret later" (and have scripting skills in Bash, Python, or Go to back it up).• Are the kind of person who Googles first, panics later.Bonus points if...• You’ve optimized cloud costs and can explain it without making us cry.• YAML indentation errors have personally victimized you before.• You thrive in fast-paced, high-growth environments (aka "organized chaos").• You once deployed something on a Friday and lived to tell the tale.Want to apply?If DevOps, automation, and cloud cost optimization excite you, and you want to be part of a dynamic, feedback-driven, fun-loving team, we’d love to hear from you!Send your resume to [gaurav@coincrowd.com] and let’s build something amazing together!
Sally Xiao
Business Development (Remote)
Full time
Remote
Job Title: Business Development
Job type: Full-time, remoteKey Responsibilities:
1. Develop and execute strategies to grow the derivatives trading user base intarget regions.
2. Build and manage partnerships with institutional clients and key ecosystemplayers.
3. Identify market trends, user needs, and competitor activities to drive productand service enhancements.
4. Collaborate with internal teams to optimize product offerings and campaigns fortarget markets.
Qualifications:
1. Proven experience in business development or sales in the crypto/financialindustry.
2. Strong understanding of derivatives trading and market dynamics.
3. Excellent communication and negotiation skills.
Job type: Full-time, remoteKey Responsibilities:
1. Develop and execute strategies to grow the derivatives trading user base intarget regions.
2. Build and manage partnerships with institutional clients and key ecosystemplayers.
3. Identify market trends, user needs, and competitor activities to drive productand service enhancements.
4. Collaborate with internal teams to optimize product offerings and campaigns fortarget markets.
Qualifications:
1. Proven experience in business development or sales in the crypto/financialindustry.
2. Strong understanding of derivatives trading and market dynamics.
3. Excellent communication and negotiation skills.
Payment in Crypto
Iron Key Capital
Venture Fellow (Part-Time, Remote)
Part time
Remote
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Iron Key Capital
Founder Fellow
Full time
Remote
Founder Fellow
📍 Remote | 3-Month Contract
🚀 About Iron Key & Iron Key Capital
Iron Key, backed by Iron Key Capital, is a venture community and investment firm focused on liquid and venture opportunities in crypto, Web3, and AI. Our mission is to invest in and support Pre-Seed and Seed-stage startups, equipping founders and investors with the tools and knowledge they need to succeed.
We operate a blockchain innovation lab and incubate startups in venture infrastructure, fintech, IP ownership, and application development. Iron Key Capital is backed by 200+ global LPs, deploying $1M+ annually into emerging opportunities.
📢 The Opportunity: Entrepreneur in Residence (EIR)
We are seeking a technical co-founder or EIR to help bring a newly incubated venture infrastructure product to market. This is a 3-month remote contract role, ideal for builders with Web3 and AI experience who want to launch a company with hands-on support.
Iron Key has developed proprietary AI tools for internal workflows and is exploring opportunities to externalize these as software-based consulting services or standalone software products. As an EIR, you’ll play a critical role in shaping, launching, and scaling these innovations.
🔹 Key Responsibilities
Lead Startup Development – Take an incubated idea from concept to market launch.
Drive Innovation – Bring your own venture idea or work on an existing Iron Key product.
Strategic Execution – Develop and implement growth strategies.
Hands-on AI & Web3 Work – Build and iterate on cutting-edge solutions in AI and blockchain.
Leverage Resources – Work alongside investors, advisors, and a global network to accelerate your startup.
🎯 What We’re Looking For
Proven entrepreneurial experience – Ideally, you’ve built a startup before (even if it failed).
Deep Web3 or AI expertise – Hands-on experience in AI, blockchain, or fintech is a must.
Strong problem-solving mindset – Ability to pivot, adapt, and execute in fast-changing environments.
Leadership & Vision – You’re a self-starter who can drive a business forward.
🔥 Why Join Iron Key?
Founder-Centric Program – Hands-on support to launch a company.
Unmatched Network – Access to top investors, mentors, and builders in crypto and AI.
Long-Term Value – Lifetime membership in the Iron Key community & alumni network.
Fundraising Support – Get exposure to global investors and funding opportunities.
📩 Apply Now
If you're ready to build and scale a new venture, apply here:
👉 https://airtable.com/appfCDlkorF5FL3VZ/paggWhwbIDwnmlzlK/form
📍 Remote | 3-Month Contract
🚀 About Iron Key & Iron Key Capital
Iron Key, backed by Iron Key Capital, is a venture community and investment firm focused on liquid and venture opportunities in crypto, Web3, and AI. Our mission is to invest in and support Pre-Seed and Seed-stage startups, equipping founders and investors with the tools and knowledge they need to succeed.
We operate a blockchain innovation lab and incubate startups in venture infrastructure, fintech, IP ownership, and application development. Iron Key Capital is backed by 200+ global LPs, deploying $1M+ annually into emerging opportunities.
📢 The Opportunity: Entrepreneur in Residence (EIR)
We are seeking a technical co-founder or EIR to help bring a newly incubated venture infrastructure product to market. This is a 3-month remote contract role, ideal for builders with Web3 and AI experience who want to launch a company with hands-on support.
Iron Key has developed proprietary AI tools for internal workflows and is exploring opportunities to externalize these as software-based consulting services or standalone software products. As an EIR, you’ll play a critical role in shaping, launching, and scaling these innovations.
🔹 Key Responsibilities
Lead Startup Development – Take an incubated idea from concept to market launch.
Drive Innovation – Bring your own venture idea or work on an existing Iron Key product.
Strategic Execution – Develop and implement growth strategies.
Hands-on AI & Web3 Work – Build and iterate on cutting-edge solutions in AI and blockchain.
Leverage Resources – Work alongside investors, advisors, and a global network to accelerate your startup.
🎯 What We’re Looking For
Proven entrepreneurial experience – Ideally, you’ve built a startup before (even if it failed).
Deep Web3 or AI expertise – Hands-on experience in AI, blockchain, or fintech is a must.
Strong problem-solving mindset – Ability to pivot, adapt, and execute in fast-changing environments.
Leadership & Vision – You’re a self-starter who can drive a business forward.
🔥 Why Join Iron Key?
Founder-Centric Program – Hands-on support to launch a company.
Unmatched Network – Access to top investors, mentors, and builders in crypto and AI.
Long-Term Value – Lifetime membership in the Iron Key community & alumni network.
Fundraising Support – Get exposure to global investors and funding opportunities.
📩 Apply Now
If you're ready to build and scale a new venture, apply here:
👉 https://airtable.com/appfCDlkorF5FL3VZ/paggWhwbIDwnmlzlK/form
Iron Key Capital
Venture Scout
Full time
Remote
Venture Scout (Part-Time, Remote) - Iron Key Capital
Location: Remote (Global)
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Location: Remote (Global)
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.