📍 Job Overview

Job Title: Senior Network Engineer UKI
Company: Culligan Shared Services
Location: Wolverhampton, United Kingdom
Job Type: Hybrid (On-site & Remote)
Category: Network Engineering
Date Posted: June 25, 2025
Experience Level: Mid-Senior Level (2-5 years)
Remote Status: Hybrid (Remote & On-site)

🚀 Role Summary

Lead the design, deployment, and management of Fortinet-based networking solutions across multiple sites.
Ensure the security, stability, and efficiency of network systems while providing high-level support for IT operations.
Collaborate with internal teams to resolve issues and optimize performance.
Conduct risk assessments and recommend improvements to existing network security policies.

📝 Enhancement Note: This role requires a strong background in network security, automation, and troubleshooting, with a focus on Fortinet networking solutions and Azure networking. The ideal candidate will be a proactive self-starter, comfortable working alone or as part of a team, with excellent time management skills and strong troubleshooting capabilities.

💻 Primary Responsibilities

Network Architecture & Design: Lead the design and deployment of Fortinet-based networking solutions, including FortiGate firewalls, FortiManager, FortiSwitch, and FortiAP.
Azure Networking: Manage Azure VWAN and Azure Networking, including Site-to-Site VPNs, load balancers, application gateways, and routing.
Troubleshooting & Maintenance: Troubleshoot network-related issues using CLI and log analysis, ensuring security, stability, and efficiency of network systems through proactive monitoring and maintenance.
Project Management: Oversee and deliver key IT infrastructure projects, ensuring successful implementation.
Documentation: Document network architecture, configurations, and troubleshooting processes.
Security & Risk Assessment: Conduct risk assessments and recommend improvements to existing network security policies.

📝 Enhancement Note: This role involves frequent travel to Culligan sites across the UK and Ireland to support and manage network deployments. The Senior Network Engineer will need to be comfortable with occasional on-site work and may be required to be available 'on call' out of normal business hours.

🎓 Skills & Qualifications

Education: Relevant degree or certification in Network Engineering, Computer Science, or a related field.

Experience: Proven track record of delivering complex network projects, with 2-5 years of experience in a similar role.

Required Skills:

Fortinet Certified Solutions Specialist
Extensive experience with FortiGate firewalls
Strong knowledge of FortiManager (device template creation, firewall deployment, ADOM management)
Competency with FortiSwitch & FortiAP
Experience with Azure VWAN & Networking (VPNs, troubleshooting, load balancers, routing)
Ability to create detailed network design documentation
Proven track record of delivering complex network projects

Preferred Skills:

Fortinet Certified Solutions Specialist: Network Security (LAN Edge Architect elective)
Fortinet Certified Professional: Network Security (FortiManager Administrator elective)
Advanced experience with FortiManager VPN Manager
Strong expertise in FortiSwitch & FortiAP configuration
Experience with FortiAnalyzer, FortiMonitor/PRTG
Automation knowledge (network scripting and optimization)
Hamina Wi-Fi mapping or equivalent experience
802.1x authentication & server support knowledge

📝 Enhancement Note: While not explicitly stated in the job listing, candidates with experience in ITILv4, Microsoft Azure, and Intune would have a strong advantage in this role. Additionally, a genuine eagerness to learn new skills and grow one's career is essential for success in this position.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate experience with Fortinet networking solutions, including FortiGate firewalls, FortiManager, FortiSwitch, and FortiAP.
Showcase proficiency in Azure networking, including Site-to-Site VPNs, load balancers, application gateways, and routing.
Highlight successful network design and deployment projects, with a focus on security, stability, and efficiency.
Include examples of network troubleshooting and maintenance, with an emphasis on proactive monitoring and optimization.

Technical Documentation:

Provide detailed network architecture and configuration documentation for past projects.
Include network diagrams, topology maps, and any relevant schematics.
Demonstrate an understanding of network security principles and risk assessment methodologies.

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their approach to network automation, scripting, and optimization. Additionally, experience with network monitoring tools such as FortiAnalyzer, FortiMonitor/PRTG, or equivalent would be beneficial.

💵 Compensation & Benefits

Salary Range: £45,000 - £60,000 per annum (Based on market research for Senior Network Engineer roles in the UK, with consideration for experience and location)

Benefits:

Competitive salary and benefits package
Opportunities for professional development and growth
Flexible working arrangements, including remote work and occasional on-site presence
May be required to be available 'on call' out of normal business hours

📝 Enhancement Note: While the salary range is an estimate based on market research, the actual salary offered may vary depending on the candidate's experience, skills, and other factors. Candidates should research regional salary standards and cost of living to ensure the offered compensation is competitive and fair.

🎯 Team & Company Context

Company Culture:

Industry: Water treatment and purification services
Company Size: Medium-sized organization with multiple locations across the UK and Ireland
Founded: 1936 (Culligan International Company)
Team Structure: The IT team consists of various roles, including Network Engineers, System Administrators, and IT Support Specialists. The Senior Network Engineer will report directly to the IT Manager and work closely with other IT team members to ensure the smooth operation of network systems and infrastructure.
Development Methodology: The IT team follows ITILv4 best practices for IT service management, with a focus on continuous improvement and customer value.

Company Website: Culligan UK

📝 Enhancement Note: Culligan Shared Services is a subsidiary of Culligan International Company, a global leader in water treatment and purification solutions. The company's focus on customer value and continuous improvement is reflected in its IT service management practices, with a strong emphasis on network security, stability, and efficiency.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the mid-senior level, with a focus on network architecture, design, and management. The ideal candidate will have a strong background in network security, automation, and troubleshooting, with a proven track record of delivering complex network projects.

Reporting Structure: The Senior Network Engineer will report directly to the IT Manager and work closely with other IT team members to ensure the smooth operation of network systems and infrastructure.

Technical Impact: The Senior Network Engineer will play a key role in designing, deploying, and maintaining critical network systems, ensuring business continuity and supporting the company's growth and success.

Growth Opportunities:

Technical Skill Development: The company offers opportunities for professional development and growth, with a focus on emerging technologies and best practices in network engineering.
Technical Leadership: With experience and demonstrated success, the Senior Network Engineer may have the opportunity to take on a more senior role, such as IT Manager or Technical Lead, with a focus on team management, architecture decisions, and strategic planning.
Career Progression: The company encourages career growth and offers opportunities for advancement within the organization, with a focus on internal promotions and transfers.

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their long-term career goals and how this role fits into their overall career development plan. Additionally, candidates should be aware of the company's growth and expansion plans, and how their role may evolve and change over time.

🌐 Work Environment

Office Type: The company has multiple office locations across the UK and Ireland, with a hybrid work arrangement that combines on-site and remote work.

Office Location(s): Wolverhampton, United Kingdom (Primary Office), with additional offices in London, Woking, and other regional locations.

Workspace Context:

Collaborative Workspace: The hybrid work arrangement encourages collaboration and teamwork, with regular on-site meetings and workshops to discuss network design, deployment, and maintenance.
Technical Tools & Resources: The company provides access to the necessary tools and resources for network engineering, including Fortinet networking solutions, Azure networking, and other relevant software and hardware.
Cross-Functional Collaboration: The Senior Network Engineer will work closely with other IT team members, as well as stakeholders from various departments, to ensure the smooth operation of network systems and infrastructure.

Work Schedule: The standard workweek is Monday to Friday, with flexible hours to accommodate occasional on-site work and 'on call' duties.

📝 Enhancement Note: While the job listing does not specify the number of on-site workdays required, candidates should be prepared to discuss their availability for occasional on-site work and 'on call' duties. Additionally, candidates should research the company's work-life balance policies and benefits to ensure a good fit with their personal and professional needs.

📄 Application & Technical Interview Process

Interview Process:

Initial Screening: A brief phone or video call to discuss the candidate's experience, skills, and career goals.
Technical Assessment: A hands-on technical assessment, focusing on Fortinet networking solutions, Azure networking, and network troubleshooting.
Behavioral Interview: A structured interview to assess the candidate's problem-solving skills, communication, and teamwork abilities.
Final Interview: A final interview with the IT Manager or other senior stakeholders, focusing on the candidate's cultural fit and long-term potential within the organization.

Portfolio Review Tips:

Highlight successful network design and deployment projects, with a focus on security, stability, and efficiency.
Include examples of network troubleshooting and maintenance, with an emphasis on proactive monitoring and optimization.
Demonstrate experience with Fortinet networking solutions, Azure networking, and other relevant technologies.

Technical Challenge Preparation:

Brush up on Fortinet networking solutions, Azure networking, and network troubleshooting skills.
Familiarize oneself with the company's network infrastructure and architecture.
Prepare for hands-on technical assessments and be ready to discuss network design, deployment, and maintenance strategies.

ATS Keywords:

Fortinet
Azure
Network Security
Network Architecture
Network Design
Network Deployment
Network Maintenance
Network Troubleshooting
FortiGate
FortiManager
FortiSwitch
FortiAP
Site-to-Site VPN
Load Balancer
Application Gateway
Risk Assessment
ITILv4
Microsoft Azure
Network Automation
Network Scripting

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their approach to network automation, scripting, and optimization. Additionally, candidates should research the company's network infrastructure and architecture to ensure a good fit with their technical skills and experience.

🛠 Technology Stack & Web Infrastructure

Networking Solutions:

Fortinet: FortiGate firewalls, FortiManager, FortiSwitch, FortiAP
Azure: Azure VWAN, Azure Networking (VPNs, load balancers, application gateways, routing)

Networking Tools:

FortiAnalyzer, FortiMonitor/PRTG (or equivalent network monitoring tools)
Hamina Wi-Fi mapping (or equivalent Wi-Fi mapping tools)
802.1x authentication & server support tools

Networking Standards & Protocols:

TCP/IP
DNS
DHCP
VLAN
VPN (Site-to-Site, Remote Access)
Load Balancing
Application Layer 7 Filtering
Intrusion Prevention System (IPS)
Web Filtering
Email Security
Web Application Firewall (WAF)
Network Access Control (NAC)
802.1x Authentication
Radius Server

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be familiar with the company's network infrastructure and architecture, as well as the relevant networking standards and protocols. Additionally, candidates should be prepared to discuss their approach to network security, troubleshooting, and optimization.

👥 Team Culture & Values

Web Development Values:

Customer Focus: The company places a strong emphasis on customer value and continuous improvement, with a focus on delivering high-quality network solutions that meet the needs of its customers.
Collaboration: The IT team works closely together to ensure the smooth operation of network systems and infrastructure, with a focus on cross-functional collaboration and knowledge sharing.
Innovation: The company encourages innovation and the adoption of emerging technologies, with a focus on staying ahead of the curve in network engineering and security.
Continuous Learning: The company offers opportunities for professional development and growth, with a focus on continuous learning and skill development.

Collaboration Style:

Cross-Functional Integration: The IT team works closely with other departments, including Sales, Marketing, and Operations, to ensure the smooth operation of network systems and infrastructure.
Code Review Culture: The IT team follows best practices for network design, deployment, and maintenance, with a focus on peer review and continuous improvement.
Knowledge Sharing: The IT team encourages knowledge sharing and technical mentoring, with a focus on fostering a culture of learning and growth.

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their approach to collaboration, knowledge sharing, and continuous learning. Additionally, candidates should research the company's culture and values to ensure a good fit with their personal and professional goals.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Security: Design, deploy, and maintain secure network systems that protect the company's data and assets from cyber threats.
Network Performance: Optimize network performance, ensuring that network systems can handle increased traffic and demand.
Network Scalability: Design and deploy network systems that can scale to meet the company's growth and expansion plans.
Emerging Technologies: Stay up-to-date with emerging network technologies and best practices, and incorporate them into the company's network infrastructure as appropriate.

Learning & Development Opportunities:

Technical Skill Development: The company offers opportunities for professional development and growth, with a focus on emerging technologies and best practices in network engineering.
Conference Attendance: The company encourages employees to attend industry conferences and events, with a focus on staying up-to-date with the latest trends and best practices in network engineering and security.
Certification & Community Involvement: The company supports employees in obtaining relevant certifications and engaging with professional networks and communities, with a focus on continuous learning and skill development.

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their approach to technical challenges, learning, and development. Additionally, candidates should research the company's growth and expansion plans to ensure a good fit with their long-term career goals.

💡 Interview Preparation

Technical Questions:

Network Architecture & Design: Discuss your approach to network design and deployment, with a focus on security, stability, and efficiency.
Azure Networking: Demonstrate your proficiency in Azure networking, including Site-to-Site VPNs, load balancers, application gateways, and routing.
Network Troubleshooting: Walk through a network troubleshooting scenario, demonstrating your ability to diagnose and resolve network-related issues using CLI and log analysis.
Network Security: Discuss your approach to network security, with a focus on risk assessment, threat mitigation, and compliance.

Company & Culture Questions:

Company Culture: Discuss your understanding of the company's culture and values, and how you would contribute to a positive and productive work environment.
Team Dynamics: Describe your approach to collaboration and teamwork, with a focus on cross-functional collaboration and knowledge sharing.
Career Growth: Discuss your long-term career goals and how this role fits into your overall career development plan.

Portfolio Presentation Strategy:

Project Case Studies: Highlight successful network design and deployment projects, with a focus on security, stability, and efficiency.
Technical Deep Dive: Demonstrate your technical expertise by walking through a complex network troubleshooting scenario or discussing a challenging network design problem.
Company Fit: Tailor your portfolio presentation to the company's network infrastructure and architecture, demonstrating your ability to contribute to the organization's growth and success.

📝 Enhancement Note: While not explicitly stated in the job listing, candidates should be prepared to discuss their approach to technical challenges, learning, and development. Additionally, candidates should research the company's culture and values to ensure a good fit with their personal and professional goals.

📌 Application Steps

To apply for this Senior Network Engineer UKI position:

Submit Your Application: Visit the Culligan Shared Services careers page and submit your application through the application link.
Tailor Your Resume: Highlight your experience with Fortinet networking solutions, Azure networking, and network troubleshooting, with a focus on security, stability, and efficiency.
Prepare Your Portfolio: Include examples of successful network design and deployment projects, with a focus on security, stability, and efficiency. Demonstrate your technical expertise through hands-on examples and case studies.
Research the Company: Familiarize yourself with the company's network infrastructure and architecture, as well as its culture and values. Prepare for technical interviews and be ready to discuss your approach to network security, troubleshooting, and optimization.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Senior Network Engineer UKI