Description :

About the Role :

We are looking for a Senior Infrastructure & Network Security Engineer to support and enhance the security of our cloud, on-prem, and lab infrastructure used for fintech and blockchain platforms.

This role is hands-on and operational, suited for candidates with a strong security operations, cloud security, and incident response background, who are expanding into infrastructure, DevSecOps, and blockchain security.

You will work closely with DevOps, backend, and platform teams to secure Linux-based systems, cloud environments, CI/CD pipelines, and internal networks, while supporting audits and continuous security improvements.

Key Responsibilities :

- Monitor, secure, and harden cloud and on-prem infrastructure (Linux servers, VMs, containers, Kubernetes basics).

- Support security of internal lab and POC networks, including access control, segmentation, and monitoring.

- Perform system hardening and patch management for servers, endpoints, and cloud workloads.

- Participate in security operations and incident response, including investigation, containment, and remediation.

- Operate and tune SIEM, EDR, IDS/IPS, and log monitoring tools.

- Conduct vulnerability scanning and work with engineering teams on remediation.

- Support DevSecOps initiatives, including CI/CD security checks (basic SAST, secret scanning, image scanning).

- Assist with IAM, RBAC, and identity security across cloud and SaaS platforms.

- Contribute to securing blockchain-related infrastructure (nodes, RPC services, wallets) with guidance.

- Maintain security documentation, SOPs, runbooks, and incident response playbooks.

- Support ISO 27001 and internal security audits by providing evidence and control documentation.

Must-Have Qualifications :

- 4 to 6 years of experience in security operations, infrastructure security, or cloud security.

- Strong experience in SOC, incident response, threat analysis, and vulnerability management.

- Hands-on experience with SIEM tools (Splunk, LogRhythm or similar) and EDR solutions.

- Solid Linux fundamentals and understanding of networking (TCP/IP, firewalls, basic VLAN concepts).

- Experience working with cloud platforms (AWS, Azure, or GCP).

- Familiarity with DevOps environments (GitLab, Azure DevOps, CI/CD pipelines).

- Experience supporting patching, hardening, and configuration reviews.

- Knowledge of ISO 27001, security audits, and control documentation.

- Ability to script or automate tasks using Python, Bash, or PowerShell.

- Strong troubleshooting skills and ability to work with cross-functional teams.

Nice-to-Have (Growth-Oriented) :

- Exposure to Kubernetes or container security.

- Experience or interest in fintech or blockchain security environments.

- Familiarity with IAM platforms (Okta, cloud IAM).

- Knowledge of OWASP, CIS Benchmarks, or cloud security best practices.

- Experience moving from SOC ? Infra / DevSecOps Security.

- Certifications such as Security+, AWS, AZ-500, CISSP (or pursuing).

Why Join Us :

- Opportunity to move beyond traditional SOC/NIST-style security into infrastructure and DevSecOps security.

- Hands-on exposure to cloud, CI/CD, blockchain, and fintech systems.

- Work in a security engineering role, not just monitoring.

- Balanced environment with both modern and legacy technologies.

- Clear growth path toward Senior Security Engineer / Cloud Security / DevSecOps Security roles.