At a Glance
- Tasks: Support and secure enterprise infrastructure across cloud, network, and on-premises environments.
- Company: Join CACI, a forward-thinking tech company with a focus on innovation and collaboration.
- Benefits: Learn from experts, work with modern technologies, and enjoy a diverse and inclusive workplace.
- Other info: Great opportunities for growth and development in a supportive team environment.
- Why this job: Kickstart your IT career while making a real impact in cloud and cybersecurity.
- Qualifications: Basic understanding of networking, cloud technologies, and cybersecurity principles.
The predicted salary is between 25650 - 31350 £ per year.
- Technology Department - Infrastructure, Cloud & Security Engineer
- London W14 8TS, UK
Job Description
Posted Wednesday 12 August 2026 at 00:00
About the Role
We're looking for a
Junior Infrastructure, Cloud & Security Engineer to join our Infrastructure, Cloud & Security team within CACI's central Technology function.
This is an excellent opportunity for someone early in their IT career who is passionate about cloud technologies, networking and cybersecurity.
You'll work alongside experienced engineers, supporting and securing enterprise infrastructure across cloud, network and on-premises environments while developing your skills in AWS, Linux, networking and security technologies.
What You'll Be Doing
You'll support the delivery, maintenance and security of CACI's infrastructure services, including:
- Assisting with the administration and monitoring of AWS cloud environments
- Supporting network infrastructure across Cisco and Meraki platforms
- Helping manage firewalls, VPNs and network security controls
- Supporting Linux server administration, patching and monitoring
- Assisting with incident investigation and infrastructure troubleshooting
- Contributing to vulnerability management and security improvement initiatives
- Supporting ISO27001 compliance activities and security best practices
- Producing technical documentation and operational procedures
- Contributing to infrastructure upgrades and technology projects
What We're Looking For
- 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
Experience
We welcome experience gained through employment, apprenticeships, education, home labs or personal projects in areas such as:
- Networking
- Cloud technologies
- Infrastructure support
- Cybersecurity
Experience or exposure to any of the following would be advantageous
- Check Point firewalls
- AWS or Azure cloud services
- VPN technologies
- Web Application Firewalls (WAF)
- Scripting and automation (Bash, Python or Power Shell)
- Monitoring and security tools
- Infrastructure-as-Code concepts
- We're interested in candidates working towards or holding certifications such as:
- Comp TIA Network+
- Comp TIA Security+
- AWS Solutions Architect Associate
Why Join Us?
At CACI, you'll have the opportunity to learn from experienced specialists, work with modern cloud and security technologies, and develop your career within a collaborative and innovative technology team.
CACI is proud to be an equal opportunities employer.
Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination.
- As a Disability Confident employer, we will;
- Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on 020 7602 6000 to discuss individual requirements further).
- Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.
- Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.
- #J-18808-Ljbffr
Technology Department - Infrastructure, Cloud & Security Engineer employer: CACI Limited
CACI Ltd is an exceptional employer, offering a dynamic work environment in the heart of London where innovation and collaboration thrive. With a strong commitment to employee development, we provide ample opportunities for growth within our high-performing teams, ensuring that every member can contribute meaningfully to our mission of leveraging technology and data for commercial success. Our inclusive culture fosters diversity and encourages open communication, making CACI a rewarding place to build your career.
