Senior Network Engineer
Posted 4 days ago by Coltech
Negotiable
Undetermined
Hybrid
Warwick, England, United Kingdom
Summary: The Senior Wireless Network Engineer role in Warwick, UK, involves enhancing network reliability and security for a major infrastructure modernization program. The position requires extensive experience in wireless networking, focusing on enterprise WLAN solutions and client site travel. Candidates should be prepared for a long-term engagement with immediate start preferences. The role includes responsibilities such as conducting wireless surveys, troubleshooting Wi-Fi issues, and collaborating with various teams to deliver scalable solutions.
Key Responsibilities:
- Design, deploy, and optimise enterprise WLAN solutions across office and industrial environments
- Conduct predictive and onsite wireless surveys, RF analysis, and coverage optimisation
- Troubleshoot complex Wi-Fi issues including authentication, interference, and performance degradation
- Create and maintain Low-Level Designs (LLDs) for Wi-Fi, NAC, and related network services
- Produce accurate Bills of Materials (BoMs) for deployments, refreshes, and upgrades
- Support Wi-Fi lifecycle management including upgrades, patching, and capacity planning
- Collaborate with IT, operations, and platform teams to deliver scalable wireless solutions
- Contribute to engineering standards, documentation, and knowledge sharing initiatives
Key Skills:
- Minimum 10+ years of experience in Wireless Networking
- Strong hands-on expertise with enterprise WLAN technologies, especially Cisco Wireless and Aruba Wireless
- Strong understanding of RF fundamentals (channel planning, power management, interference mitigation)
- Knowledge of 802.11 standards including Wi-Fi 5 / 6 / 6E / 7
- Familiarity with WLAN authentication methods (EAP, RADIUS, role-based access)
- Experience with enterprise wireless controllers and cloud-managed Wi-Fi platforms
- Experience with wireless survey and design tools such as Ekahau and Hamina
- Experience with Cisco ISE and Aruba ClearPass
- Familiarity with 802.1X authentication and profiling
- Strong analytical and troubleshooting skills in large-scale enterprise Wi-Fi environments
- Excellent stakeholder communication and documentation skills
- Ability to travel ad hoc across UK client locations for onsite surveys and deployment activities
Salary (Rate): undetermined
City: Warwick
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Senior Wireless Network Engineer
Location: Warwick, UK (Hybrid / Travel to Client Sites Required)
Contract: Long-Term Contract
Start Date: Immediate Joiners Preferred
We are currently hiring an experienced Wireless Network Engineer for a major UK infrastructure modernisation programme. This is a high-priority client requirement focused on enhancing network reliability, security, and user experience across enterprise and industrial environments. This role is ideal for candidates seeking a long-term engagement with quick interview turnaround and onboarding.
Project Overview
The programme includes:
- Enterprise network modernisation
- Wi-Fi infrastructure refresh and optimisation
- SD-WAN-enabled high-speed connectivity services
- Wireless surveys and RF design activities
- Disaster recovery connectivity using satellite and 5G technologies
- Support for expansion and deployment projects across UK locations
The successful candidate will conduct both onsite and desktop wireless surveys using tools such as Ekahau, while contributing to the design, deployment, and optimisation of enterprise wireless solutions.
Key Responsibilities
- Design, deploy, and optimise enterprise WLAN solutions across office and industrial environments
- Conduct predictive and onsite wireless surveys, RF analysis, and coverage optimisation
- Troubleshoot complex Wi-Fi issues including authentication, interference, and performance degradation
- Create and maintain Low-Level Designs (LLDs) for Wi-Fi, NAC, and related network services
- Produce accurate Bills of Materials (BoMs) for deployments, refreshes, and upgrades
- Support Wi-Fi lifecycle management including upgrades, patching, and capacity planning
- Collaborate with IT, operations, and platform teams to deliver scalable wireless solutions
- Contribute to engineering standards, documentation, and knowledge sharing initiatives
Required Skills & Experience
- Minimum 10+ years of experience in Wireless Networking
- Strong hands-on expertise with enterprise WLAN technologies, especially: Cisco Wireless Aruba Wireless
- Strong understanding of: RF fundamentals (channel planning, power management, interference mitigation)
- 802.11 standards including Wi-Fi 5 / 6 / 6E / 7
- WLAN authentication methods (EAP, RADIUS, role-based access)
- Enterprise wireless controllers and cloud-managed Wi-Fi platforms
- Experience with wireless survey and design tools such as: Ekahau Hamina
- Experience with: Cisco ISE Aruba ClearPass 802.1X authentication and profiling
- Familiarity with Cradlepoint or similar 5G-enabled networking platforms
- Strong analytical and troubleshooting skills in large-scale enterprise Wi-Fi environments
- Excellent stakeholder communication and documentation skills
- Ability to travel ad hoc across UK client locations for onsite surveys and deployment activities
Preferred Certifications
- CWNP Certifications (CWNA / CWDP / CWSP / CWNE)
- Cisco Wireless Certifications (CCNP / CCIE Wireless)
- Aruba Certifications (ACMP / ACDP / ACCX)
Additional Information
- Immediate joiners highly preferred
- Strong, relevant CVs required
- Long-term project with quick closure potential
- UK-based candidates only
If you are an experienced Wireless Network Engineer looking for your next long-term opportunity, we’d love to hear from you.