Cloud and Network Infrastructure Engineer

Cloud & Network Infrastructure Engineer

Salary: Up to 70,000 DOE

Job Type: Full-Time

Join a Fast-Paced, Mission-Critical Environment

Are you a highly skilled Cloud and Network Infrastructure Engineer with expertise in DMVPN, AWS-hosted CSR routers, and Linux troubleshooting? Do you thrive in a high-uptime, reactive environment where your expertise in network optimisation, automation, and troubleshooting directly impacts mission-critical operations? If so, this is your opportunity to take ownership of cutting-edge network and cloud infrastructure.

About the Role

In this hands-on role, you will play a key part in maintaining and optimising a DMVPN network, managing AWS-based CSR 8000v routers, and delivering advanced Linux troubleshooting and automation. You will be the go-to technical expert, advising leadership on best practices, network improvements, and automation strategies while working closely with the Comms team to support a large-scale infrastructure spanning over 2,700+ sites.

Why Join Them?

Make a Real Impact - Your expertise will directly influence uptime, security, and performance in a mission-critical environment.

Technical Autonomy - As an individual contributor, you will have the opportunity to drive improvements and shape best practices.

Cutting-Edge Technology - Work with advanced Cisco networking, AWS cloud infrastructure, and DevOps automation tools.

Collaborative Environment - Partner with key teams to optimise infrastructure and improve operational efficiency.

Your Role & Responsibilities

DMVPN & AWS Network Management (40%)

• Maintain and optimise a DMVPN network terminating into dual CSR 8000v routers.
• Ensure high availability, performance, and redundancy across AWS-hosted network environments.
• Troubleshoot complex network issues in a fast-paced, uptime-sensitive setting.
• Work closely with the Comms team to support router and PC provisioning across 2,700+ sites.
• Keep detailed documentation of network topology, configurations, and architecture.

Infrastructure Optimisation & Root Cause Analysis (20%)

• Identify and resolve network and system bottlenecks.
• Conduct root cause analysis (RCA) to eliminate recurring network and system faults.
• Develop strategies for business continuity, failover testing, and disaster recovery.

Advanced Linux Support & Monitoring (20%)

• Provide advanced Linux troubleshooting for distributed hosts.
• Automate recurring Linux administration tasks to improve efficiency.
• Manage monitoring tools (Zabbix, New Relic, CloudWatch) to enhance system performance and reliability.
• Develop automated alerting and logging to improve response times and reduce downtime.

DevOps & Automation (20%)

• Implement Infrastructure as Code (IaC) using Terraform or Ansible.
• Automate infrastructure provisioning and configuration management.
• Improve monitoring and proactive issue detection using CloudWatch, Prometheus, or similar tools.
• Develop Python/Bash scripts to streamline network operations and system maintenance.

What They're Looking For

Essential Skills & Experience:

• Strong expertise in Cisco networking (routing, switching, VPNs, security, DMVPN).
• Hands-on experience with AWS Cloud Networking:
• VPC, VPN, GRE, BGP, and IPsec tunnels
• Network ACLs, Security Groups, and Route Tables
• Proven experience in Linux administration, troubleshooting, and automation.
• Strong knowledge of network and system monitoring tools (Zabbix, New Relic, CloudWatch, NetFlow, Wireshark).
• Ability to troubleshoot complex network issues in high-uptime, reactive environments.

Preferred Qualifications:

• CCNP certification (or equivalent experience with Cisco networking).
• Experience managing AWS-hosted network environments, particularly with CSR8000v virtual routers.
• Proficiency in Python/Bash scripting for network automation.
• Familiarity with Terraform, Ansible, or other Infrastructure as Code (IaC) tools.

Soft Skills:

• Self-motivated with the ability to take ownership of network and infrastructure management.
• Strong communication skills, working effectively with leadership and technical teams.
• Ability to balance proactive improvements with reactive problem-solving to maintain uptime and service reliability.

Ready to Take on the Challenge?

If you're a highly skilled Cloud & Network Infrastructure Engineer looking for an exciting opportunity to work in a fast-paced, mission-critical environment, we want to hear from you! Apply today and take the next step in your career.

What's On Offer:

• 60,000 - 70,000 pa, based on experience
• 25 days holiday
• Birthday off as an added days leave
• Company pension scheme
• Health Shield (Claim money back for Dental, Glasses, Doctors, etc)
• Ongoing training and certification opportunities
• Genunine progression opportunities

You can be a: Cloud & Network Engineer Cisco Networking AWS CSR 8000v DMVPN Linux Administration Network Optimisation High-Availability Systems Automation & DevOps Infrastructure as Code Python & Bash Scripting Network Security Root Cause Analysis Mission-Critical Environments

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