Infrastructure Security Engineer

Alpen Labs

Senior Infrastructure Security Engineer leading security for Alpen’s Bitcoin infrastructure. Designing secure systems and improving detection and response capabilities in cloud environments.

Posted 6/23/2026full-timeRemote • 🇪🇺 Anywhere in EuropeSeniorLeadWebsite

Tech Stack

Tools & technologies

AnsibleAWSCloudDistributed SystemsDNSFirewallsGoKubernetesLinuxPythonRustTerraform

About the role

Key responsibilities & impact

Lead the security of Alpen’s cloud infrastructure, production systems, internal platforms, and operational environments.
Design, implement, and maintain security controls across AWS and cloud-native infrastructure.
Lead infrastructure hardening initiatives across servers, containers, Kubernetes clusters, and cloud services.
Drive identity and access management programs, including least-privilege access, RBAC, privileged access management, and secrets management.
Own vulnerability management processes, remediation programs, and infrastructure security reviews.
Build and improve security monitoring, detection engineering, alerting, and incident response capabilities.
Investigate security incidents, conduct root-cause analysis, and lead response and recovery efforts.
Develop and maintain incident response playbooks, operational procedures, and security runbooks.
Partner with engineering teams to secure CI/CD pipelines, deployment workflows, and developer platforms.
Review infrastructure architecture and operational changes to identify and mitigate security risks.
Automate security controls and integrate security tooling into engineering workflows.
Conduct threat modeling and architecture reviews for infrastructure and platform services.
Support endpoint security, device management, vendor security assessments, and internal security initiatives.
Establish security metrics, reporting, and visibility into operational risk across the organization.
Collaborate effectively within a globally distributed team.

Requirements

What you’ll need

7+ years of experience in infrastructure security, security engineering, security operations, or related fields
Strong experience securing cloud environments, particularly AWS
Deep understanding of Linux systems administration and security
Hands-on experience with Kubernetes, containers, and cloud-native infrastructure
Experience with SIEM, EDR, logging, monitoring, and incident response tooling
Strong knowledge of networking, VPNs, DNS, firewalls, load balancing, and network security principles
Experience implementing IAM, RBAC, secrets management, and privileged access controls
Experience securing CI/CD pipelines and infrastructure-as-code environments
Strong scripting or programming skills in Python, Go, Bash, Rust, or similar languages
Experience leading security initiatives in production environments
Experience supporting blockchain, fintech, or financial infrastructure environments
Experience securing Bitcoin, Layer 2, or distributed systems infrastructure
Familiarity with Terraform, Pulumi, Ansible, or similar infrastructure-as-code tooling
Experience with SOC 2, ISO 27001, or similar security and compliance frameworks
Knowledge of zero-trust architectures and modern cloud security practices
Experience with threat hunting, detection engineering, and threat intelligence programs
Background working in startup or high-growth environments.

Benefits

Comp & perks

What we extend to our new hires is an invitation to actively contribute to the evolution of cutting-edge technologies within the blockchain space.
This presents a unique opportunity to innovate and devise creative solutions for complex security and infrastructure challenges.
To support your journey, we commit to providing all the resources necessary for your learning, growth, and productivity.
Moreover, our compensation package is designed to mirror the passion, dedication, and hard work you invest in your role.
We recognize and appreciate your contributions by aligning your exceptional commitment with generous compensation.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

infrastructure securitysecurity engineeringsecurity operationscloud securityLinux systems administrationKubernetescontainersIAMRBACscripting

Soft Skills

leadershipcollaborationcommunicationproblem-solvingincident response

Certifications

SOC 2ISO 27001