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Network Security Specialist, Palo Alto, Fortinet, Zscaler
I am seeking a Network Security Specialist to join a high-performing connectivity engineering team within a complex, enterprise-scale environment.
This role will play a key part in designing, implementing, and governing network security controls across a modern hybrid infrastructure. You will help drive the adoption of Zero Trust architecture and micro-segmentation, ensuring security is embedded into all layers of connectivity.
Key Responsibilities
- Design, implement and maintain enterprise network security controls, including firewalls, proxies, and secure access platforms
- Act as a subject matter expert across leading security technologies (Palo Alto, Fortinet, Zscaler)
- Define and enforce security policies across data centre, campus, cloud, and hybrid environments
- Lead complex troubleshooting across network security issues, balancing security, performance, and availability
- Contribute to the development of the network security roadmap aligned with wider technology strategy
- Design and implement Zero Trust architectures, including identity-based access controls
- Develop and execute micro-segmentation strategies for both traditional and containerised workloads
- Support cloud, Kubernetes/OpenShift, and automation initiatives with secure-by-design principles
- Maintain network security standards, policies and design patterns
- Support audits, risk assessments, and regulatory requirements
- Collaborate with infrastructure, platform, application, and security teams to embed best practices
- Provide technical leadership and mentoring to engineering teams
- Act as a 3rd line escalation point for complex network security issues
Required Experience
- Proven experience in enterprise network security engineering within large, complex environments
- Strong hands-on expertise with:
- Palo Alto Networks (PAN-OS, Panorama)
- Fortinet (FortiGate, FortiManager, FortiAnalyzer)
- Zscaler (ZIA, ZPA)
- Experience designing and implementing:
- Network segmentation and micro-segmentation
- Zero Trust architectures
- Firewall and proxy security policies
- Strong knowledge of hybrid environments (on-prem, cloud, containerised platforms)
- Solid understanding of core networking technologies:
- TCP/IP, BGP, OSPF, VLANs, VPN, NAT, DNS
- Experience with network monitoring, analytics, and packet capture tools
- Exposure to security within Kubernetes / OpenShift environments
- Understanding of automation / infrastructure-as-code approaches
- Experience operating within ITIL-based environments
Skills & Competencies
- Ability to translate high-level security policy into scalable technical solutions
- Strong analytical and problem-solving skills
- Excellent communication and stakeholder engagement ability
- Hands-on, detail-oriented approach with a strategic mindset
Desirable Qualifications
- Industry certifications such as PCNSE, NSE, CCNP Security, or CISSP
- Experience in highly regulated or mission-critical environments
- ITIL or project management certifications
3 day's on site each week required
Network Security Specialist, Palo Alto, Fortinet, Zscaler
McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.
To apply for this job please visit www.reed.co.uk.
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