Security Engineer (Mid-Level), Infrastructure Hosting

Job summary

Investigate security alerts and incidents, assess vulnerabilities, and coordinate remediation across infrastructure, networks, and applications. Improve monitoring, access controls, incident response, and scalable security practices, using automation and AI-assisted tools where appropriate.

Job details

FDC Servers | Security Department | Reports to: Security Manager | Fully remote | Independent contractor Role Overview FDC Servers is looking for a hands-on Security Engineer to strengthen its existing security team and support the Security Manager with security operations, incident investigations, vulnerability management and security improvement projects. FDC operates across 30+ global locations with thousands of servers, providing dedicated servers, VPS, colocation and IP transit services. Key Responsibilities Investigate security alerts, suspicious activities and incidents, correlating logs across systems, networks and applications. Research vulnerabilities and CVEs, assess exposure and exploitability, prioritize risks and coordinate remediation. Perform infrastructure security assessments, configuration audits and security testing of new services, applications and APIs. Improve SIEM monitoring, threat detection, identity and access controls, and incident response procedures. Identify recurring security weaknesses and collaborate with infrastructure teams to implement scalable improvements through automation and standardized security controls. Leverage AI-assisted tools for security research, incident analysis, vulnerability assessment and testing. Required Skills & Experience 3+ years of experience in cybersecurity or infrastructure operations, or equivalent hands-on experience. Practical experience with vulnerability assessment, security monitoring, incident investigation and remediation. Hands-on experience with SIEM platforms, log correlation and security event analysis. Good understanding of IAM, SSO, MFA, authentication and authorization mechanisms. Ability to troubleshoot Linux systems and investigate issues involving TCP/IP, routing, firewalls and application logs. Practical knowledge of Juniper Junos, including the ability to review configurations, firewall filters, ACLs and routing policies for security investigations. Strong Bash scripting skills and experience using Git in collaborative environments. Practical experience using AI tools for security research, analysis or automation, with appropriate validation and data protection. Ability to investigate issues independently, document findings and communicate clearly in English. Nice to Have Previous experience in hosting, ISP or data center environments. Hands-on experience with Juniper PTX/QFX platforms, BGP security and RTBH/blackholing mechanisms. Experience with security tools such as Wazuh, Greenbone/OpenVAS, Nessus, Nuclei or Cloudflare WAF. Experience with infrastructure automation using Python, Ansible, AWX or similar tools. Familiarity with IAM platforms such as Authentik or Keycloak, and monitoring tools such as Grafana or Loki. Knowledge of Proxmox VE, Docker, Kubernetes or similar platforms. Experience with penetration testing methodologies and tools such as Burp Suite or OWASP ZAP. Experience with equivalent technologies is equally welcome. Familiarity with every tool listed is not expected. Engagement Fully remote, long-term independent contractor engagement. Pay by agreement, based on experience. Note to recruiting and staffing agencies: please do not contact us regarding this posting. We work with direct candidates only.

What you’ll do

Investigate security alerts and incidents, assess vulnerabilities, and coordinate remediation across infrastructure, networks, and applications. Improve monitoring, access controls, incident response, and scalable security practices, using automation and AI-assisted tools where appropriate.

Requirements

Requires at least three years of cybersecurity or infrastructure operations experience, or equivalent hands-on experience, with practical skills in vulnerability management, SIEM analysis, incident response, IAM, Linux, networking, Juniper Junos, Bash, and Git. Candidates should work independently, document findings, communicate clearly in English, and use AI tools responsibly; hosting, data center, and related security-tool experience is a plus.

Listed skills

• Git · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Vulnerability Assessment
• Security Monitoring
• Incident Investigation
• SIEM
• Log Correlation
• Identity and Access Management
• Linux Troubleshooting
• TCP/IP and Routing
• Juniper Junos
• Bash Scripting
• Git
• AI-Assisted Security Analysis
• Firewall Configuration
• Security Testing
• Infrastructure Automation

Job areas

• Security & Safety
• Technology
• Engineering

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