> Markdown version of [/jobs/ext/1177015-lan-wan-engineer-checkpoint-f5-cisco](https://www.wearedevelopers.com/jobs/ext/1177015-lan-wan-engineer-checkpoint-f5-cisco). 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).

---

# LAN / WAN Engineer - Checkpoint, F5 & Cisco

- **Company:** Lakarya LLC
- **Location:** Kirkintilloch, UK
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Amazon Web Services, Proxy Servers, ARM Architecture, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Complex Networks, Intrusion Detection Systems, Python (Programming Language), Network Security, Network Architecture, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Performance Tuning, Ansible, SAP Sales and Distribution, Security Information and Event Management, Wide Area Networks, Wireless Networks, Network Routers, Transport Layer Security, Google Cloud, Load Balancing, Juniper, Firewall Services Module, Terraform, Open Network Automation Platform, Splunk, Cisco, Citrix Netscaler
- **Published:** July 4, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=43ac4d8974d0acb6

## About the Role

* Security Proxy: Blue Coat, Zscaler, or equivalent, deep understanding of SSL decryption and policy enforcement.
 * Juniper: Advanced routing (BGP, OSPF, ISIS), firewall rules, security policies, IDS/IPS.
 * Cisco: Enterprise switching (Nexus, Catalyst), routers, ASA/FTD firewalls, SD-WAN.
 * Automation & Scripting: Python, Ansible, Terraform (preferred).
 * Cloud Networking: Azure, AWS, or GCP networking and security concepts.
 * Load Balancing: F5, Citrix NetScaler (preferred).
 * SIEM & Security Tools: Splunk, Palo Alto Cortex, or similar.

Soft Skills:

 * Strong leadership and mentorship capabilities.
 * Excellent documentation and presentation skills.
 * Ability to work independently and handle high-priority incidents.
 * Juniper Certified

Experience:

 * Checkpoint: 7 years (required)
 * F5: 7 years (required)
 * Cisco Wireless: 7 years (required)

## Description

* Provide L3-level support, troubleshooting, and resolution for complex network issues.
 * Design, implement, and optimize network security solutions using security proxies, Juniper, and Cisco.
 * Lead incident resolution and problem management efforts, coordinating with vendors as needed.
 * Configure and maintain firewalls, security appliances, and access control policies.
 * Develop and execute network automation strategies for efficiency and scalability.
 * Collaborate with architects and project teams on network upgrades and expansions.
 * Conduct performance tuning and capacity planning for network infrastructure.
 * Mentor and provide technical guidance to L2 engineers.


## Related Videos

- [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team)
- [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture)
- [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud)
- [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy)
- [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right)
- [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [Top Must-Visit Developer Conferences in the US in 2026](https://www.wearedevelopers.com/magazine/679-top-must-visit-developer-conferences-in-the-us-in-2026)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)