Security Engineer - Cloud & Incident Response (Remote UK)

Moonnox, Inc.; United Kingdom; Remote; GBP 50,000 - 70,000; Full time

Job summary

Certinia is seeking a hands-on Security Engineer in the UK to bridge triage and security architecture. You will investigate, respond to incidents, and implement controls across cloud environments.

The role requires independent work on routine security operations and collaboration with senior engineers on complex threat scenarios. You will maintain SOC capabilities, perform offensive security tasks, and assist with automation efforts, reporting to the Head of Information Security.

Qualifications

• 1–3 years in Information Security, SOC, or related field.
• Strong understanding of networking, OS, and web app security (OWASP Top 10).
• Experience securing resources in at least one major cloud provider (AWS/Azure/GCP).
• Proficiency in Python, Bash, or similar for automation and log parsing.

Responsibilities

• Conduct deep-dive investigations and root-cause analyses of alerts.
• Handle incident response phases including containment, eradication, and post-incident review.
• Perform phishing triage and SIEM monitoring activities.
• Develop security automations and detections using scripts to speed up IR/DR tasks.

Skills

Networking (TCP/IP)

OS: Linux/Windows/macOS

Web app security

Python or Bash scripting

MITRE ATT&CK familiarity

Communication skills

Job description

Certinia is seeking a hands-on Security Engineer in the UK to bridge triage and security architecture. You will investigate, respond to incidents, and implement controls across cloud environments.

The role requires independent work on routine security operations and collaboration with senior engineers on complex threat scenarios. You will maintain SOC capabilities, perform offensive security tasks, and assist with automation efforts, reporting to the Head of Information Security.