RedRock Consulting
Network Architect
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Network Architect (Fortinet Specialist) – Contract
📍 Fully Remote (UK)
💰 £550 per day (Inside IR35)
📅 Initial 4-Month Contract
The Opportunity:
We are seeking an experienced Network Architect to lead a comprehensive review and assessment of a large-scale enterprise network environment. This engagement requires a highly skilled consultant with strong Fortinet expertise who can independently assess network architecture, security controls, operational maturity, and management processes across a complex multi-site infrastructure. You will be responsible for analysing both live network configurations and existing documentation, identifying risks, benchmarking against industry standards, and delivering practical recommendations for improvement. This is an excellent opportunity for a senior networking professional who enjoys combining hands-on technical expertise with strategic architecture and consultancy work.
Key Responsibilities:
- Conduct an end-to-end review of enterprise network design, performance, security, and operational maturity.
- Assess network environments including:
- LAN
- WLAN
- SD-WAN
- Firewall infrastructure
- Routing and switching
- BGP routing
- IPSec VPNs
- Review network segmentation strategies across both North-South and East-West traffic flows.
- Evaluate the effectiveness of network security controls and governance processes.
- Assess Azure-hosted FortiGate deployments and associated cloud networking configurations.
- Review authentication and privileged access controls for users and administrators.
- Evaluate monitoring, logging, audit, and accounting capabilities.
- Assess configuration management processes and identify areas of configuration drift or governance risk.
- Review technical documentation including HLDs, LLDs, network diagrams, standards, and supporting operational documentation.
- Benchmark network configurations against industry best practices and recognised frameworks such as CIS Benchmarks, Cyber Essentials Plus, and NCSC guidance.
- Produce detailed findings, recommendations, and remediation plans for both technical and executive audiences.
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Required Skills & Experience:
- Proven experience working as a Network Architect within large enterprise environments.
- Extensive hands-on experience with Fortinet technologies, including:
- FortiGate
- FortiManager
- FortiAnalyzer
- FortiAuthenticator
- FortiClient EMS
- Strong knowledge of:
- SD-WAN
- Enterprise routing and switching
- BGP
- IPSec VPN technologies
- Wireless networking
- Firewall policy design and optimisation
- Network segmentation and security architecture
- Experience carrying out infrastructure assessments, audits, or architecture reviews.
- Strong understanding of network security best practice and governance frameworks.
- Ability to produce high-quality technical reports and executive-level presentations.
- Excellent stakeholder management and communication skills.
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