AWS Cloud Network Consulting

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Terraform Expert • GitOps • Global Multi-Region Architectures Immediately available for remote UK/EU contract and advisory roles.

10+ years delivering resilient, fully automated AWS networking for high-performance trading and enterprise environments. 20+ years creating intelligent virtual connectivity solutions that power reliable infrastructure.

Mplexia Limited

UK Tax Resident • 100% Remote | Europe

Hi, I’m Ludek Rozehnal

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Senior AWS Cloud Network Engineer & Terraform Expert with 20+ years’ experience in infrastructure, networking, and automation.

Proven track record designing, delivering, and fully automating global-scale, multi-region/multi-account network connectivity in AWS and hybrid environments. Specialist in Infrastructure-as-Code (Terraform), GitOps-driven CI/CD pipelines, and resilient, low-latency cloud networking solutions for business-critical trading workloads.

Trusted technical authority who blends deep traditional networking expertise with modern DevOps practices to eliminate manual processes, reduce risk, and deliver complex projects on time.

Currently providing independent consulting through Mplexia Limited (UK) – immediately available for remote UK/EU contract and advisory roles at £550–£650/day.

What I Deliver

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Global AWS Networking Architecture

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Expert design and implementation of scalable AWS global networks using Transit Gateway, Direct Connect, VPN solutions, multi-region hub-and-spoke or meshed topologies, security hardening, low-latency optimization, and multicast. Specialized support for upgrading and modernizing current architectures.

Cloud Migration & Automation

Helping organizations with connectivity aspects of on-premise to AWS hybrid migrations, introducing or utilizing existing automation (Terraform, Ansible, Python), security hardening and resilience engineering. Helping overcome initial hurdles when introducing cloud automation (Terraform).

AWS Connectivity Consulting & Delivery

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Practical assistance with AWS connectivity onboarding, partner integrations, and migrations. I specialize in analyzing your requirements and designing/implementing the most effective solution — combining Direct Connect, VPC Endpoints, peering, and hybrid models to deliver secure, low-latency, and optimized network performance.

Recent Highlights

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Mplexia Limited (2026 – Present)

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Founder & Principal AWS Cloud Network Consultant

• Providing expert AWS Cloud Network Consulting, Terraform automation, and GitOps solutions to MSPs, VARs, and AWS-heavy organisations on 3–12 month engagements or advisory basis.
• Specialising in global multi-region/multi-account architectures, Transit Gateway designs, Direct Connect/VPN integrations, low-latency trading workloads, and full infrastructure automation.
• Immediately available for remote UK/EU contract roles at £550–£650/day (project-based and retainer options available).

Flextrade Systems (2018 – 2026)

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Senior DevOps / Cloud Network Specialist (UK Remote)

• Led flagship 2024–2025 project: complete Terraform + GitOps automation of global multi-region AWS network connectivity
• Delivered zero manual console changes in production for all networking and infrastructure
• Architected resilient Transit Gateway and hub-and-spoke topologies for low-latency trading workloads
• Multicast in AWS, Dynamic propagation of static routes between Transit Gateways, onboarding of various projects of all kinds and sizes

2026 Consulting Rates

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£550 – £650 per day

Hourly (£145–£165), project-based and retainer options also available.

Mplexia Limited (UK) • VAT registered if required • Fully remote

Ready to discuss your next AWS networking project?

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I work selectively with MSPs, VARs and AWS-heavy organisations on 3–12 month engagements or advisory work.

+44 7756 678300 • l.rozehnal@mplexia.com

Mplexia Limited • UK Tax Resident • Fully Remote