Network Security Engineer
Posted Today by Totaljobs
£550 Per day
Inside
Remote
City of London, London, EC1A 1AA
Summary: The Network Security Engineer role involves joining a Security Engineering team to support enterprise-scale security infrastructure and transformation initiatives. The position requires hands-on expertise in next-generation firewalls, SASE technologies, and network security operations within regulated environments. The successful candidate will work in a SAFe-aligned Agile environment, contributing to the engineering and continuous improvement of security platforms. This is a contract position for an initial duration of 6 months, offering a daily rate of £550 and classified as inside IR35.
Key Responsibilities:
- Operate as part of the Security Engineering team delivering enterprise security capabilities.
- Work within SAFe Agile practices, participating in daily stand-ups, sprint planning, retrospectives, and other delivery ceremonies.
- Maintain accurate workload management, delivery tracking, and time logging within Jira.
- Engineer, support, and maintain Next Generation Firewall (NGFW) and Secure Access Service Edge (SASE) solutions.
- Translate customer and operational requirements into actionable engineering tasks and technical solutions.
- Provide technical escalation support to junior engineers and operational teams.
- Produce and maintain high-quality technical documentation, including knowledge base articles and operational procedures.
- Deliver technical knowledge transfer sessions and support capability uplift across the wider team.
- Participate in occasional out-of-hours support activities for priority changes or incident response.
Key Skills:
- Experience with Enterprise-grade Next Generation Firewalls, particularly Palo Alto Networks and Fortinet.
- Firewall policy administration, security profile configuration, and lifecycle management.
- Management platforms such as Panorama, FortiManager, and FortiAnalyzer.
- Strong Routing & Switching fundamentals.
- Secure Access Service Edge (SASE) platforms and architectures.
- Load balancing and application delivery technologies, primarily F5.
- Email security gateways and email hygiene solutions such as Mimecast.
- Network monitoring and troubleshooting tooling.
- Laptop build and endpoint configuration processes aligned to organisational standards.
- Pre-logon authentication and Host Integrity Profile implementation and support.
- Certificate services administration and secure VPN configuration.
- Experience with Exposure and Vulnerability Management platforms such as Tenable One.
- Strong analytical troubleshooting and problem-solving capability.
- Understanding of security architecture principles and secure design practices.
- Experience supporting or contributing to Security Risk Assessments.
- Ability to produce and maintain network diagrams, High-Level Designs (HLDs), Low-Level Designs (LLDs), security designs, and risk assessment documentation.
- Working knowledge of AWS and Azure infrastructure and cloud security services.
- Strong stakeholder engagement and customer-facing communication skills.
- Ability to work independently while collaborating effectively within multidisciplinary teams.
- Experience working within SAFe, Scrum, or similar Agile delivery frameworks.
- Proven collaboration with IT Operations, Security Operations, Governance, Risk & Compliance teams, and Architecture and Engineering teams.
- Previous experience within an MSSP or highly regulated environment (such as nuclear, utilities, defence, or critical infrastructure) would be advantageous.
Salary (Rate): £550 per day
City: London
Country: United Kingdom
Working Arrangements: Remote
IR35 Status: Inside IR35
Seniority Level: Mid-Level
Industry: IT
Network Security Engineer - £550 per day - Inside IR35 - Remote - 6 Months initial contract.
We are seeking an experienced Network Security Engineer Contractor to join a high-performing Security Engineering team supporting enterprise-scale security infrastructure and transformation initiatives. This role is ideal for a hands-on engineer with strong expertise across next-generation firewalls, SASE technologies, network security operations, and infrastructure security within complex regulated environments.
The successful candidate will operate within a SAFe-aligned Agile delivery environment and contribute to the engineering, administration, and continuous improvement of critical security platforms and services.
Key Responsibilities -
- Operate as part of the Security Engineering team delivering enterprise security capabilities.
- Work within SAFe Agile practices, participating in daily stand-ups, sprint planning, retrospectives, and other delivery ceremonies.
- Maintain accurate workload management, delivery tracking, and time logging within Jira.
- Engineer, support, and maintain Next Generation Firewall (NGFW) and Secure Access Service Edge (SASE) solutions.
- Translate customer and operational requirements into actionable engineering tasks and technical solutions.
- Provide technical escalation support to junior engineers and operational teams.
- Produce and maintain high-quality technical documentation, including knowledge base articles and operational procedures.
- Deliver technical knowledge transfer sessions and support capability uplift across the wider team.
- Participate in occasional out-of-hours support activities for priority changes or incident response.
Technical Skills & Experience -Network & Security Technologies -The ideal candidate will demonstrate experience across as many of the following technologies as possible:
- Enterprise-grade Next Generation Firewalls, particularly:
- Palo Alto Networks
- Fortinet
- Firewall policy administration, security profile configuration, and lifecycle management.
- Management platforms such as:
- Panorama
- FortiManager
- FortiAnalyzer
- Strong Routing & Switching fundamentals.
- Secure Access Service Edge (SASE) platforms and architectures.
- Load balancing and application delivery technologies, primarily F5.
- Email security gateways and email hygiene solutions such as Mimecast.
- Network monitoring and troubleshooting tooling.
- Laptop build and endpoint configuration processes aligned to organisational standards.
- Pre-logon authentication and Host Integrity Profile implementation and support.
- Certificate services administration and secure VPN configuration.
Security & Exposure Management -
- Experience with Exposure and Vulnerability Management platforms such as Tenable One.
- Strong analytical troubleshooting and problem-solving capability.
- Understanding of security architecture principles and secure design practices.
- Experience supporting or contributing to Security Risk Assessments.
Ability to produce and maintain:
- Network diagrams
- High-Level Designs (HLDs)
- Low-Level Designs (LLDs)
- Security designs
- Risk assessment documentation
Cloud & Infrastructure
- Working knowledge of AWS and Azure infrastructure and cloud security services.
Soft Skills & Attributes -
- Strong stakeholder engagement and customer-facing communication skills.
- Ability to work independently while collaborating effectively within multidisciplinary teams.
- Experience working within SAFe, Scrum, or similar Agile delivery frameworks.
Proven collaboration with:
- IT Operations
- Security Operations
- Governance, Risk & Compliance teams
- Architecture and Engineering teams
Previous experience within an MSSP or highly regulated environment (such as nuclear, utilities, defence, or critical infrastructure) would be advantageous.