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# Senior Network Engineer- Cisco, Cloud & Network Automation - 12 months contract, London £600-650 pd

- **Company:** McCabe & Barton
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £156,000.0 - £169,000.0
- **Contract:** Temporary contract
- **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Cloud Computing, Software Documentation, Complex Networks, Cyber Security, Data Centers, Enhanced Interior Gateway Routing Protocol, Networking Hardware, Internet Protocol Security (IP SEC), Python (Programming Language), Network Security, Network Control, Network Planning and Design, Open Shortest Path First (OSPF), Performance Tuning, Reliability Engineering, Ansible, Zero Trust Network Access, Wide Area Networks, Google Cloud, Load Balancing, Computer Network Operations, Computer Network Technologies, Multi-Cloud, HybridCloud, Firewalls (Computer Science), Infrastructure as Code (IaC), Amazon Virtual Private Cloud (VPC), Firewall Services Module, Terraform, Open Network Automation Platform, Cisco
- **Published:** November 7, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-4DBA97B696DEC71E36/

## About the Role

We are seeking a highly skilled Senior Network Engineer to support the design, implementation, scalability, and reliability of our enterprise network infrastructure. This role will play a key part in network modernization initiatives, connecting colocation data centers with multi-cloud environments, and contributing deep technical expertise across network design, operations, and incident response.

The ideal candidate brings strong experience in enterprise networking, hybrid-cloud connectivity, automation, and performance optimization, along with the ability to mentor team members and promote best practices across the network engineering domain., Required

 * Bachelor's degree or qualiifed by experience with the equivalent combination of education and relevant experience
 * 5+ years of relevant experience

Preferred

 * Expertise in core networking technologies and protocols, including:

 - BGP, OSPF, EIGRP, BFD

 - EVPN/VXLAN, IPSec, MAC-SEC

 - Zscaler, Zero-trust technologies
 * Proven experience designing, implementing, and supporting hybrid-cloud networking across AWS, Azure, and/or GCP
 * Solid experience with network automation and Infrastructure as Code, including Terraform, Ansible, and Python
 * Demonstrated ability to lead complex troubleshooting efforts and resolve high-severity production incidents
 * Solid communication skills with the ability to collaborate across infrastructure, cloud, security, and application teams
 * Industry certifications such as: CCNA/CCIE or ideally AWS Certified Advanced Networking - Specialty
 * Experience with SD-WAN, network observability, and modern monitoring platforms
 * Familiarity with load balancing technologies and enterprise Firewall platforms
 * Experience leading technical teams, mentoring engineers, and influencing architecture decisions across organizations

## Description

Network Engineering & Design

 * Design, implement, and maintain scalable, resilient, and secure LAN/WAN, SD-WAN, and hybrid-cloud network solutions
 * Contribute to network standards, reference architectures, and roadmaps that support business growth and technology modernization
 * Evaluate and recommend network hardware, software, and service providers to improve performance, reliability, and scalability

Cloud & Hybrid Connectivity

 * Design, implement, and support cloud networking solutions across AWS, Azure, and GCP
 * Support and optimize hybrid connectivity using technologies such as AWS VPC, Transit Gateway, Direct Connect, Azure VNet, and ExpressRoute
 * Ensure seamless integration between on-premises environments and cloud platforms

Performance & Reliability

 * Support and enhance Site Reliability Engineering (SRE) practices for network operations
 * Help define, monitor, and improve service-level objectives (SLOs) related to network availability, latency, and capacity
 * Proactively identify performance bottlenecks and implement solutions to improve network resilience and efficiency

Automation & Infrastructure as Code

 * Contribute to network automation initiatives to reduce manual configuration and improve consistency
 * Develop and maintain Infrastructure as Code (IaC) solutions using tools such as Terraform, Ansible, and Python
 * Partner with operations teams to standardize deployment, monitoring, and operational processes

Incident Escalation & Root Cause Analysis

 * Serve as a senior technical escalation point for complex network incidents
 * Support critical incident response efforts, including troubleshooting, coordination, communication, and service restoration
 * Conduct root cause analysis and contribute to post-incident reviews to prevent recurrence

Security & Compliance

 * Implement and maintain network security controls in partnership with Information Security teams
 * Manage and audit Firewalls, load balancers, segmentation policies, access controls, and Suricata Firewall rules
 * Ensure network designs and operational practices align with security, compliance, and risk management requirements

Technical Leadership & Collaboration

 * Mentor junior and mid-level network engineers
 * Participate in peer design reviews and provide guidance on architecture, troubleshooting, and operational excellence
 * Promote engineering best practices, documentation standards, and continuous improvement across the team