> Markdown version of [/jobs/ext/3742992-network-design-engineer](https://www.wearedevelopers.com/jobs/ext/3742992-network-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Network Design Engineer

- **Company:** Capgemini Engineering
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Link Aggregation (Ethernet), Border Gateway Protocol, Software Design Documents, DevOps, Multi-protocol Systems, Python (Programming Language), Network Security, Network Planning and Design, Software Engineering, Load Balancing, Test Scripts, Firewalls (Computer Science), Git, Fortinet
- **Published:** October 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=c3ecd77e608ed94d

## About the Role

* Experience working for a Service Provider
 * Competent in designing carrier grade network solutions for projects, complying with Sky's design standards
 * Good experience with service provider technologies for supporting carrier routing, switching and security
 * Strong understanding of Reliability matrix, availability matrix, longevity of design, commercial aspect of solutions
 * Demonstrable document writing skills in producing artefacts such as HLD and LLD, presentation and technical diagrams as part of project engagements
 * Possess excellent communication skills to convey Risks, obtain sign-off, timely escalate issues to management, and send weekly project updates
 * Exposure to Next Generation firewall technologies i.e. Fortigate Firewalls
 * Strong understanding of distributed hardware architecture and hands-on experience with Nokia 7750
 * Strong experience on ISIS, MPLS, RSVP, TE, Hierarchical QOS, LACP, BGP

Nice to have:

 * Knowledge of Python and GIT to manage configuration templates and develop Automation solutions
 * Knowledge of F5 LTM/GTM (or other load balancing) and Mobile 5G technologies

## Description

* Author High Level and Low Level Design Documents to support client's network
 * Own software/hardware selection perform bug scrubs and security vulnerability assessments and work with Test and Delivery engineers to review test plans, defects, test reports, MOP and change tickets.
 * Drive platform improvements enable automation and implement new solutions that enable DevOps capabilities and support business strategy of building once and deploy multiple time.
 * Competent in designing Carrier grade network solutions for projects, complying with client's design standards
 * Good experience with service provider technologies for supporting carrier routing, switching and security
 * Elicit business and technical requirements working with various partners during requirements collection phase.
 * Strong understanding of Reliability matrix, availability matrix, longevity of design, commercial aspect of solutions
 * Steer network security elements' feature roadmap by working closely with our strategic technology partners for software release planning, budget submissions and provide inputs for case preparation.