DV-Cleared Security Engineer: Cloud & Infra Hardening

LA International Computer Consultants Ltd; Basingstoke; On-site; GBP 70,000 - 110,000; Full time

Job summary

LA International Computer Consultants Ltd is seeking a Security Engineer with Active DV Clearance. You will harden Linux/Windows, containers, networks and cloud infrastructure, implement baseline security controls and conduct vulnerability assessments.

You will collaborate with DevOps to remediate findings and maintain security tooling in CI/CD pipelines. The role requires hands-on infra security experience, strong Linux/Windows hardening skills, and familiarity with SIEM and vulnerability

Qualifications

• Hands-on experience in infrastructure security and vulnerability management.
• Strong Linux and Windows security hardening skills.
• Experience with security scanning tools (Trivy, Nessus, SonarQube).
• Familiarity with SIEM solutions and cloud security practices.

Responsibilities

• Configure and harden Linux and Windows operating systems, containers, networks and cloud infrastructure.
• Implement security controls in line with approved baselines.
• Conduct vulnerability assessments and analyse scanning results.
• Remediate vulnerabilities with development teams.
• Maintain security tooling integrated into CI/CD pipelines.
• Support automated security testing and compliance checks.
• Investigate security alerts and analyse logs.
• Monitor infrastructure and applications for threats.
• Collaborate with DevOps to improve security across the lifecycle.
• Maintain technical documentation and security compliance records.

Skills

Infrastructure security

System hardening

Vulnerability management

Linux security

Windows security

Firewall & network segmentation

Security scanning tools

SIEM

Docker security

Kubernetes security

Cloud security & CI/CD

Threat monitoring & logs

Secure development practices

Education

Cybersecurity or IT NVQ Level 4, STEM degree or equivalent

Tools

Trivy

SonarQube

Nessus

Docker

Kubernetes

SIEM solutions

AWS/Azure security

Job description

LA International Computer Consultants Ltd is seeking a Security Engineer with Active DV Clearance. You will harden Linux/Windows, containers, networks and cloud infrastructure, implement baseline security controls and conduct vulnerability assessments.

You will collaborate with DevOps to remediate findings and maintain security tooling in CI/CD pipelines. The role requires hands-on infra security experience, strong Linux/Windows hardening skills, and familiarity with SIEM and vulnerability