Network Security Engineer

Experis; Knutsford; On-site; GBP 52,000 - 87,000; Full time

Job summary

Experis is seeking a Network Security Engineer for Knutsford, with hybrid in‑office attendance (3 days/week). The role focuses on AlgoSec policy management, firewall governance, and security operations in a regulated enterprise.

You will drive automation using PowerShell, Python and API integrations across Palo Alto, Fortinet, Cisco and Check Point ecosystems. You will participate in audit- and compliance-driven change management and contribute to risk reduction through policy optimization.

Qualifications

• Hands‑on experience administering and supporting the AlgoSec Security Management Suite, including Firewall Analyzer, FireFlow, ObjectFlow, AppViz.
• Experience utilising AlgoSec to automate firewall policy management, risk analysis, access recertification, change governance, and compliance reporting.
• Strong understanding of application connectivity mapping, traffic flow analysis, and security policy optimisation.
• Extensive experience managing large-scale, multi-vendor firewall environments, including Palo Alto Networks, Fortinet, Cisco ASA/Firepower, Check Point.
• Strong understanding of firewall architecture, policy administration, NAT, VPN technologies, segmentation, and micro‑segmentation.
• Experience performing firewall rule reviews, recertification exercises, policy optimisation, and risk reduction initiatives.
• Strong operational experience supporting enterprise network security environments.
• Experience managing security incidents, firewall requests, policy exceptions, and operational support within regulated organisations.
• Understanding of firewall compliance management, governance processes, audit requirements, and regulatory controls.
• Experience working within ITIL‑aligned Incident, Problem, Change, and Service Management frameworks.
• Knowledge of network access controls, IPS/IDS, DDoS protection, and secure web gateway technologies.
• Experience automating network security processes, including firewall rule lifecycle management, policy validation, compliance reporting, security control enforcement, and operational workflows.
• Proficiency in PowerShell, Python, Bash, and API‑based integrations to support automation objectives.
• Experience with automation platforms and configuration management tools such as Ansible, Terraform, Chef, or equivalent solutions.
• Experience implementing enterprise firewall governance programmes using AlgoSec or equivalent policy management platforms.

Responsibilities

• Hands‑on experience administering and supporting the AlgoSec Security Management Suite, including Firewall Analyzer, FireFlow, ObjectFlow, AppViz.
• Experience automating firewall policy management, risk analysis, access recertification, change governance, and compliance reporting.
• Strong understanding of application connectivity mapping, traffic flow analysis, and security policy optimisation.
• Strong operational experience supporting enterprise network security environments.
• Experience managing security incidents, firewall requests, policy exceptions, and operational support within regulated organisations.
• Understanding of firewall compliance management, governance processes, audit requirements, and regulatory controls.
• Experience working within ITIL‑aligned Incident, Problem, Change, and Service Management frameworks.
• Knowledge of network access controls, IPS/IDS, DDoS protection, and secure web gateway technologies.
• Experience automating network security processes, including firewall rule lifecycle management, policy validation, compliance reporting, security control enforcement, and operational workflows.
• Proficiency in PowerShell, Python, Bash, and API‑based integrations to support automation objectives.
• Experience with automation platforms and configuration management tools such as Ansible, Terraform, Chef, or equivalent solutions.
• Experience implementing enterprise firewall governance programmes using AlgoSec or equivalent policy management platforms.

Skills

AlgoSec

Security policy management

Firewall management

Palo Alto Networks

Fortinet

Cisco ASA/Firepower

Check Point

PowerShell

Python

Bash

API integrations

Ansible

Terraform

Chef

Tools

AlgoSec Security Management Suite

Palo Alto Networks

Fortinet

Cisco ASA/Firepower

Check Point

Job description

Network Security Engineer

Rate: up to £469 per day - Umbrella only

Duration: 6 months

Location: Knutsford with 3 days/week in office

Technical Skills & Competencies

AlgoSec & Security Policy Management

• Hands‑on experience administering and supporting the AlgoSec Security Management Suite, including:




• Firewall Analyzer


• FireFlow


• ObjectFlow


• AppViz




• Experience utilising AlgoSec to automate firewall policy management, risk analysis, access recertification, change governance, and compliance reporting.


• Strong understanding of application connectivity mapping, traffic flow analysis, and security policy optimisation.

Firewall & Network Security Technologies

• Extensive experience managing large-scale, multi-vendor firewall environments, including:




• Palo Alto Networks


• Fortinet


• Cisco ASA / Firepower


• Check Point




• Strong understanding of firewall architecture, policy administration, NAT, VPN technologies, segmentation, and micro‑segmentation.


• Experience performing firewall rule reviews, recertification exercises, policy optimisation, and risk reduction initiatives.

Network Security Operations

• Strong operational experience supporting enterprise network security environments.


• Experience managing security incidents, firewall requests, policy exceptions, and operational support within regulated organisations.


• Understanding of firewall compliance management, governance processes, audit requirements, and regulatory controls.


• Experience working within ITIL‑aligned Incident, Problem, Change, and Service Management frameworks.


• Knowledge of network access controls, intrusion prevention systems (IPS), intrusion detection systems (IDS), DDoS protection, and secure web gateway technologies.

Security Automation & Engineering

• Experience automating network security processes, including:




• Firewall rule lifecycle management


• Policy validation


• Compliance reporting


• Security control enforcement


• Operational workflows




• Proficiency in PowerShell, Python, Bash, and API‑based integrations to support automation objectives.


• Experience with automation platforms and configuration management tools such as Ansible, Terraform, Chef, or equivalent solutions.

Additional Desirable Skills & Experience

• Experience implementing enterprise firewall governance programmes using AlgoSec or equivalent policy management platforms.


• Experience with Zero Trust Network Architecture (ZTNA), SASE, and Security Service Edge (SSE) technologies.


• Experience within large‑scale financial services, banking, or other highly regulated environments.


• Knowledge of regulatory frameworks including PCI‑DSS, ISO27001, NIST Cyber Security Framework, CIS Controls, and relevant financial industry regulations.


• Experience supporting network security transformation, cloud migration, and hybrid networking programmes.


• Familiarity with software‑defined networking (SDN), network segmentation strategies, and modern secure connectivity solutions.

Professional Certifications (Desired)

• CISSP (Certified Information Systems Security Professional)


• CCNP Security / CCIE Security


• Palo Alto PCNSE


• Check Point CCSA / CCSE


• Azure Security Engineer Associate (AZ-500)


• AWS Security Specialty


• Certified Cloud Security Professional (CCSP)


• GIAC Security Certifications (GCIA, GCIH, GMON or equivalent)

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