Junior Cloud & Security Infrastructure Engineer

CACI Limited; Greater London; Hybrid; GBP 28,000 - 36,000; Full time

Job summary

CACI Limited in London is seeking a Junior Infrastructure, Cloud & Security Engineer to join the Infrastructure, Cloud & Security team within the Technology function. You will gain hands-on experience across cloud, network and security, working with AWS, Linux, networking and security technologies.

This role offers a path to grow your IT career by supporting and securing enterprise infrastructure, contributing to projects, and developing practical skills through mentoring and collaboration with

Qualifications

• Understanding of TCP/IP networking fundamentals.
• Knowledge of routing, switching, VLANs, DNS and DHCP.
• Basic understanding of firewalls, VPNs and network security principles.
• Familiarity with Linux operating systems.
• Understanding of Windows Server and Active Directory fundamentals.
• Awareness of AWS and cloud computing concepts.
• Understanding of common cybersecurity threats and security best practices.
• Strong troubleshooting and analytical skills.
• Excellent communication and teamwork skills.
• A proactive attitude and enthusiasm for learning.

Responsibilities

• Assist with administration and monitoring of AWS cloud environments.
• Support network infrastructure across Cisco Meraki platforms.
• Help manage firewalls, VPNs and network security controls.
• Support Linux server administration, patching and monitoring.
• Assist with incident investigation and infrastructure troubleshooting.
• Contribute to vulnerability management and security improvement initiatives.
• Support ISO27001 compliance activities and security best practices.
• Produce technical documentation and operational procedures.
• Contribute to infrastructure upgrades and technology projects.

Skills

TCP/IP

Routing & Switching

Firewalls & VPNs

Linux OS

Windows Server

AWS Cloud

Cybersecurity basics

Troubleshooting

Communication

Teamwork

Learning attitude

Tools

Cisco Meraki

Job description

CACI Limited in London is seeking a Junior Infrastructure, Cloud & Security Engineer to join the Infrastructure, Cloud & Security team within the Technology function. You will gain hands-on experience across cloud, network and security, working with AWS, Linux, networking and security technologies.

This role offers a path to grow your IT career by supporting and securing enterprise infrastructure, contributing to projects, and developing practical skills through mentoring and collaboration with