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Digital Asset

Open blockchain network for regulated finance

Lead IT Security Administrator

System Administration +1Confirmed live in the last 24 hours
Full-timeNew York, NY, USA$160k - $185k

About the Job

Requirements

  • Deep hands-on experience with Junos and enterprise network architecture.
  • Proven Linux fleet management experience, including patching, hardening, and compliance reporting at scale.
  • Fluency with at least one of Salt, Ansible, or Terraform.
  • Strong identity and access management background, including single sign-on, multifactor authentication, role-based access control, and privileged access.
  • Practical cloud security experience in AWS, GCP, or Azure.
  • Python and Bash automation skills applied to real operational problems.
  • Experience investigating alerts and running incident response.
  • Familiarity with SOC 2, ISO 27001, NIST Cybersecurity Framework, or CIS Controls.
  • Ability to explain technical risk to non-technical stakeholders.
  • Ability to learn unfamiliar technology quickly and take ownership through resolution.

Responsibilities

  • Design, implement, and optimize end-user, endpoint, cloud infrastructure, and networking systems.
  • Manage the Juniper/Junos network estate end-to-end, including routers, switches, and firewalls, and support secure hybrid architecture across VPNs, VPCs, and interconnects.
  • Manage the Ubuntu server fleet, maintain hardened baselines, automate patching through Canonical Landscape, and eliminate configuration drift using Salt, Ansible, or Terraform.
  • Operate endpoint detection and response, security information and event management, email security, and identity systems, including detection tuning, triage, access reviews, and incident root-cause analysis.
  • Support AWS, GCP, and Azure, focusing on networking, identity and access management, and security configuration; read and review Terraform to validate changes.
  • Resolve production incidents involving Kubernetes and databases, maintain observability and runbooks, provision and upgrade managed relational database systems, and test backup and restore processes.
  • Develop Python and Bash automation tools and API-driven SaaS integrations to eliminate manual work.
  • Provide Tier-3 escalation, mentorship, and security standards across the organization.
  • Partner with engineering teams as a technical expert to evolve the cloud-native environment, manage Juniper networking hardware, and develop automation scripts that streamline deployment pipelines and improve system performance.

Desired Qualifications

  • Experience in fintech, payments, crypto/blockchain, or other regulated environments.
  • Experience with CIS Benchmarks, STIG hardening, and drift detection.
  • CI/CD troubleshooting across GitHub Actions, Azure DevOps, or CircleCI.
  • Experience building AI-assisted monitoring, log analysis, or troubleshooting pipelines.

About the Company

Digital Asset

Open blockchain network for regulated finance

Digital Asset builds technology for financial markets that uses blockchain to move information and value across networks. Its main offerings are the Canton Network, a privacy-enabled open blockchain, and Daml, a platform for building multi-party applications that run on Canton; Daml Enterprise adds global connectivity, while Daml Hub and Daml Open Source support experimentation and private development. Applications run on Canton and are designed for regulated industries, with privacy controls and a framework for scalable, multi-party collaboration. The goal is to expand global commerce by enabling organizations to operate beyond traditional boundaries with secure, connected networks, licensing and services to earn revenue.

Company size
201-500
Company stage
Late Stage VC
Total funding
$822.4M
Headquarters
New York City, New York
Founded
2014

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