We are seeking a highly disciplined, technically elite Digital Assets Custody Operator to serve as the guardian of our companys multi-asset portfolio.
This is not a typical operations role. You will operate at the very heart of our security architecture, blending precise technical execution with a high-level security mindset. You will be responsible for executing complex cryptographic procedures in secure environments while simultaneously designing the future of our security architecture.
If you are passionate about the deepest intricacies of institutional custody, comfortable with Linux command lines and AI, and ready to proactively defend against emerging threats, we want you.
Launch Your Career at the Top company is a hyper-technical powerhouse and a global leader in fintech. Joining this team means working in one of the most sophisticated technical environments in the world. The experience you gain here-mastering institutional-grade security and next-generation blockchain infrastructure - will forge you into an elite security expert, paving the way for a brilliant future at the absolute highest level of the industry.
What You Will Do
You will manage the full lifecycle of assets across our Cold, Warm, and Hot tiers, ensuring operational liquidity while designing defenses for new blockchain products.
1. Operational Excellence & Liquidity Management
Execute air-gapped transactions using HSM-based hardware, strictly adhering to security principles and managing physical access to our secure vault.
Manage daily treasury flows and liquidity using Hot wallets, ensuring assets are available for trading within strict policy limits.
Act as a trusted keyholder in sensitive Key Generation Ceremonies, ensuring entropy and secrecy.
Support daily reconciliation of blockchain balances against internal ledgers to immediately investigate and resolve discrepancies.
2. Security Architecture & Integration
Define how we integrate with custody technology providers to ensure zero-trust security and design the Policy Rules (TAP) that govern asset movements.
Proactively identify potential threats to our wallet infrastructure and design robust mitigations to prevent breaches.
Understand and implement secure architectures for new blockchain products, including Staking (managing slashing risks/withdrawal keys), DeFi access, and NFT support.
3. Innovation & Research
Conduct deep dives into new blockchains (e.g., Solana, Sui. etc.) to understand their specific consensus mechanisms and security models before integration.
Utilize advanced Linux and CLI skills to configure secure offline machines, troubleshoot hardware, and manage the technical environment of the custody suite.

You will join our Cyber Security Operations team and play a key role in protecting our cloud-native and enterprise environments. In this hands-on role, youll design, implement, and operate security controls across AWS, Kubernetes, CI/CD pipelines, and identity systems. Youll lead incident response efforts, build security automation, and drive continuous improvement of our detection and prevention capabilities in a fast-paced, highly technical environment.

The day-to-day

Own and enhance security for large-scale AWS environments (IAM, VPC, CloudTrail, GuardDuty, EKS, S3).
Build and operate threat detection, incident response, and DFIR processes across cloud, Kubernetes, identity, and SaaS platforms.
Design and implement security automation for access control, cloud hygiene, incident response, and SIEM workflows.
Drive DevSecOps initiatives, securing CI/CD pipelines and enabling shift-left security.
Develop and tune SIEM detections, threat hunting queries, and automated remediation pipelines.
Manage identity, access, and Zero Trust / ZTNA architectures using IdP, SSO, RBAC, and federation.
Simulate real-world attacks and perform vulnerability discovery to validate security controls.