Firewall Job Trends in London

Firewall
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring Firewall skills. It covers permanent job vacancies from the 6 months leading up to 19 December 2025, with comparisons to the same periods in the previous two years.

6 months to
19 Dec 2025
Same period 2024 Same period 2023
Rank 87 78 66
Rank change year-on-year -9 -12 +48
Permanent jobs citing Firewall 431 629 749
As % of all permanent jobs in London 3.19% 3.90% 4.21%
As % of the Communications & Networking category 25.73% 30.61% 33.05%
Number of salaries quoted 312 430 641
10th Percentile £32,000 £38,450 £40,000
25th Percentile £41,250 £52,625 £51,250
Median annual salary (50th Percentile) £65,000 £70,000 £65,000
Median % change year-on-year -7.14% +7.69% +4.00%
75th Percentile £83,125 £85,250 £82,500
90th Percentile £98,675 £97,500 £97,500
England median annual salary £45,000 £53,000 £52,500
% change year-on-year -15.09% +0.95% -

All Communications and Computer Networking Skills
London

Firewall falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in London.

Permanent vacancies with a requirement for communications or computer networking skills 1,675 2,055 2,266
As % of all permanent jobs advertised in London 12.41% 12.74% 12.73%
Number of salaries quoted 901 1,168 1,812
10th Percentile £28,697 £37,000 £35,000
25th Percentile £36,250 £50,000 £46,250
Median annual salary (50th Percentile) £60,000 £67,500 £65,000
Median % change year-on-year -11.11% +3.85% +4.00%
75th Percentile £85,000 £85,000 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £54,000 £50,000
% change year-on-year -25.93% +8.00% -4.76%

Firewall
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing Firewall relative to all permanent IT jobs advertised in London.

Firewall job vacancy trend in London

Firewall
Salary Trend in London

Salary distribution trend for jobs in London citing Firewall.

Salary distribution trend for jobs in London citing Firewall

Firewall
Salary Histogram in London

Salary distribution for jobs citing Firewall in London over the 6 months to 19 December 2025.

Salary histogram for Firewall in London

Firewall
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firewall within the London region over the 6 months to 19 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London -8 73 £80,000 +6.67% 29
East London +7 25 £35,000 - 7
West London +6 13 £49,000 -14.78% 8
South London +27 8 £46,000 -24.37% 4
North London +12 6 £75,000 +100.00% 1
Firewall
England

Firewall
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 44 (10.21%) Microsoft Exchange
2 32 (7.42%) SharePoint
3 4 (0.93%) Confluence
4 3 (0.70%) Apache
4 3 (0.70%) nginx
5 2 (0.46%) Apache Airflow
5 2 (0.46%) IIS
6 1 (0.23%) Moodle
Applications
1 11 (2.55%) Microsoft Office
1 11 (2.55%) MS Visio
2 1 (0.23%) Adobe Creative Suite
2 1 (0.23%) Microsoft Excel
2 1 (0.23%) Microsoft PowerPoint
2 1 (0.23%) Microsoft Project
Business Applications
1 3 (0.70%) Fidessa
2 1 (0.23%) Dynamics CRM
Cloud Services
1 235 (54.52%) Azure
2 131 (30.39%) Microsoft 365
3 87 (20.19%) AWS
4 63 (14.62%) Entra ID
5 33 (7.66%) SaaS
6 25 (5.80%) IaaS
7 24 (5.57%) GCP
8 19 (4.41%) PaaS
9 16 (3.71%) GitHub
10 15 (3.48%) Azure Monitor
11 14 (3.25%) Azure Sentinel
12 13 (3.02%) Google Workspace
13 12 (2.78%) Azure DevOps
14 11 (2.55%) Azure ExpressRoute
15 10 (2.32%) Datadog
16 9 (2.09%) Cloud Computing
16 9 (2.09%) GitHub Actions
16 9 (2.09%) Mimecast
16 9 (2.09%) Power Platform
17 8 (1.86%) Power Automate
Communications & Networking
1 150 (34.80%) VPN
2 116 (26.91%) WAN
3 111 (25.75%) LAN
4 80 (18.56%) Network Security
5 78 (18.10%) Wi-Fi
6 66 (15.31%) DNS
7 61 (14.15%) TCP/IP
7 61 (14.15%) Wireless
8 60 (13.92%) VLAN
9 53 (12.30%) DHCP
10 50 (11.60%) BGP
10 50 (11.60%) SD-WAN
11 48 (11.14%) OSPF
12 30 (6.96%) VoIP
13 26 (6.03%) Cisco ASA
13 26 (6.03%) Intrusion Detection
14 22 (5.10%) Cisco Wireless
15 21 (4.87%) WLAN
16 19 (4.41%) Wireshark
17 18 (4.18%) Cisco Nexus
Database & Business Intelligence
1 21 (4.87%) SQL Server
2 9 (2.09%) Power BI
3 7 (1.62%) MySQL
4 4 (0.93%) Azure SQL Database
4 4 (0.93%) NoSQL
4 4 (0.93%) Relational Database
5 3 (0.70%) InfluxDB
6 2 (0.46%) Amazon RDS
6 2 (0.46%) Data Lake
6 2 (0.46%) Metadata
6 2 (0.46%) MongoDB
6 2 (0.46%) PostgreSQL
Development Applications
1 11 (2.55%) Git
2 4 (0.93%) Chocolatey
2 4 (0.93%) Jenkins
2 4 (0.93%) JIRA
2 4 (0.93%) TeamCity
3 3 (0.70%) GitLab
3 3 (0.70%) Sonatype Nexus
4 2 (0.46%) Jaeger
4 2 (0.46%) MLflow
5 1 (0.23%) Burp Suite
5 1 (0.23%) SonarQube
General
1 136 (31.55%) Social Skills
2 124 (28.77%) Finance
3 45 (10.44%) Analytical Skills
4 30 (6.96%) Banking
5 23 (5.34%) Telecoms
6 15 (3.48%) Documentation Skills
6 15 (3.48%) Law
7 12 (2.78%) Financial Institution
8 11 (2.55%) Inclusion and Diversity
9 10 (2.32%) Legal
10 9 (2.09%) Manufacturing
10 9 (2.09%) Marketing
11 7 (1.62%) Retail
12 6 (1.39%) Organisational Skills
12 6 (1.39%) Public Sector
13 5 (1.16%) Japanese Language
14 4 (0.93%) Advertising
14 4 (0.93%) Back Office
14 4 (0.93%) Billing
14 4 (0.93%) Influencing Skills
Job Titles
1 109 (25.29%) Network Engineer
2 72 (16.71%) Senior
3 60 (13.92%) Analyst
3 60 (13.92%) Infrastructure Engineer
4 54 (12.53%) Support Engineer
5 46 (10.67%) IT Support
6 40 (9.28%) IT Engineer
7 30 (6.96%) Support Analyst
8 26 (6.03%) Cloud Engineer
9 25 (5.80%) Security Engineer
10 24 (5.57%) Azure Engineer
11 23 (5.34%) Cisco Engineer
11 23 (5.34%) IT Support Engineer
11 23 (5.34%) Senior Network Engineer
12 22 (5.10%) Security Analyst
13 21 (4.87%) IT Analyst
14 18 (4.18%) Lead
14 18 (4.18%) Senior Infrastructure Engineer
15 17 (3.94%) 2nd Line Support
15 17 (3.94%) Cisco Network Engineer
Libraries, Frameworks & Software Standards
1 8 (1.86%) .NET
2 5 (1.16%) 802.1X
2 5 (1.16%) ADO
2 5 (1.16%) OAuth
2 5 (1.16%) SAML
2 5 (1.16%) YAML
3 4 (0.93%) RESTful
4 3 (0.70%) FIX Protocol
4 3 (0.70%) Microsoft Graph
5 2 (0.46%) AWS SAM
5 2 (0.46%) Elastic Stack
5 2 (0.46%) FastAPI
5 2 (0.46%) Kafka
5 2 (0.46%) Keycloak
5 2 (0.46%) WebRTC
6 1 (0.23%) EDI
6 1 (0.23%) REST
6 1 (0.23%) WSH
Miscellaneous
1 59 (13.69%) Data Centre
2 40 (9.28%) Management Information System
3 30 (6.96%) Hybrid Cloud
4 21 (4.87%) Onboarding
5 20 (4.64%) Cyber Threat
6 19 (4.41%) Driving Licence
7 18 (4.18%) Cloud Native
8 14 (3.25%) Self-Motivation
9 13 (3.02%) Enterprise Software
9 13 (3.02%) Security Posture
10 12 (2.78%) PKI
10 12 (2.78%) Public Cloud
11 8 (1.86%) Foreign Exchange (FX)
11 8 (1.86%) Virtual Team
12 7 (1.62%) IoT
12 7 (1.62%) Private Cloud
13 6 (1.39%) CCTV
13 6 (1.39%) Legacy Applications
13 6 (1.39%) Legacy Systems
14 5 (1.16%) CMDB
Operating Systems
1 150 (34.80%) Windows
2 83 (19.26%) Linux
3 76 (17.63%) Windows Server
4 19 (4.41%) Windows 10
5 18 (4.18%) VMS
5 18 (4.18%) Windows Server 2019
6 17 (3.94%) Unix
7 14 (3.25%) Mac OS
8 13 (3.02%) Ubuntu
9 12 (2.78%) Windows Server 2016
10 11 (2.55%) Red Hat Enterprise Linux
11 8 (1.86%) CentOS
12 4 (0.93%) Mac OS X
13 3 (0.70%) Android
13 3 (0.70%) Solaris
14 2 (0.46%) Apple iOS
14 2 (0.46%) Debian
14 2 (0.46%) Kali Linux
15 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 96 (22.27%) Cybersecurity
2 95 (22.04%) Problem-Solving
3 85 (19.72%) Incident Response
4 71 (16.47%) Infrastructure Engineering
5 65 (15.08%) SIEM
6 61 (14.15%) Infrastructure as Code
7 60 (13.92%) Disaster Recovery
8 52 (12.06%) Computer Science
9 50 (11.60%) ITIL
10 49 (11.37%) Information Security
11 46 (10.67%) Migration
12 42 (9.74%) DevOps
13 41 (9.51%) Cloud Security
13 41 (9.51%) Customer Service
14 40 (9.28%) Load Balancing
15 39 (9.05%) Security Operations
16 37 (8.58%) Continuous Improvement
16 37 (8.58%) Network Monitoring
17 35 (8.12%) Kalman Filter
17 35 (8.12%) Zero Trust
Programming Languages
1 88 (20.42%) PowerShell
2 87 (20.19%) Python
3 28 (6.50%) Bash
4 20 (4.64%) SQL
5 11 (2.55%) Bicep
6 7 (1.62%) Kusto Query Language
7 6 (1.39%) Go
8 4 (0.93%) Java
9 3 (0.70%) Shell Script
10 2 (0.46%) C#
10 2 (0.46%) JavaScript
10 2 (0.46%) VB.NET
11 1 (0.23%) Perl
11 1 (0.23%) VBScript
Qualifications
1 92 (21.35%) Cisco Certification
2 87 (20.19%) Degree
3 70 (16.24%) CCNP
4 52 (12.06%) CISSP
5 39 (9.05%) CCNA
6 36 (8.35%) CCIE
7 29 (6.73%) Computer Science Degree
8 27 (6.26%) Azure Certification
8 27 (6.26%) CISM
9 23 (5.34%) AWS Certification
10 22 (5.10%) Security Cleared
11 21 (4.87%) Microsoft Certification
12 19 (4.41%) Network+ Certification
13 15 (3.48%) DBS Check
14 14 (3.25%) CompTIA Security+
14 14 (3.25%) SC Cleared
15 12 (2.78%) CCSA
15 12 (2.78%) CCSE
15 12 (2.78%) HND
16 10 (2.32%) CEH
Quality Assurance & Compliance
1 63 (14.62%) ISO/IEC 27001
2 40 (9.28%) NIST
3 39 (9.05%) GDPR
4 20 (4.64%) Cyber Essentials
5 11 (2.55%) PCI DSS
5 11 (2.55%) SOC 2
6 7 (1.62%) Cyber Essentials PLUS
7 6 (1.39%) PMO
7 6 (1.39%) SLA
8 4 (0.93%) GRC
9 3 (0.70%) ITGC
10 2 (0.46%) Accessibility
10 2 (0.46%) Basel III
10 2 (0.46%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 2 (0.46%) MiFID
10 2 (0.46%) QA
11 1 (0.23%) HIPAA
11 1 (0.23%) NIST 800
11 1 (0.23%) Sarbanes-Oxley
System Software
1 135 (31.32%) Active Directory
2 58 (13.46%) VMware Infrastructure
3 27 (6.26%) Hyper-V
4 18 (4.18%) Firmware
5 17 (3.94%) Virtual Machines
6 15 (3.48%) vSphere
7 13 (3.02%) Docker
8 11 (2.55%) Virtual Desktop
9 8 (1.86%) NFS
9 8 (1.86%) VMware ESXi
10 5 (1.16%) KVM
10 5 (1.16%) XenApp
10 5 (1.16%) XenDesktop
11 4 (0.93%) pfSense
11 4 (0.93%) ProxySG
12 2 (0.46%) EMC RecoverPoint
12 2 (0.46%) Squid
12 2 (0.46%) VMware NSX
13 1 (0.23%) VMware Server
Systems Management
1 67 (15.55%) Terraform
2 54 (12.53%) Ansible
2 54 (12.53%) Microsoft Intune
3 36 (8.35%) Kubernetes
4 25 (5.80%) FortiGate
5 24 (5.57%) SCCM
6 16 (3.71%) Autotask
7 13 (3.02%) Grafana
8 11 (2.55%) Prometheus
8 11 (2.55%) Single Sign-On
9 8 (1.86%) CASB
9 8 (1.86%) CSIRT
9 8 (1.86%) Nessus
10 6 (1.39%) QRadar
11 5 (1.16%) Argo
11 5 (1.16%) Computer Emergency Response Teams
11 5 (1.16%) SCOM
12 4 (0.93%) Cilium
12 4 (0.93%) Istio
12 4 (0.93%) vCenter Server
Vendors
1 156 (36.19%) Microsoft
2 154 (35.73%) Cisco
3 88 (20.42%) VMware
4 69 (16.01%) Palo Alto
5 60 (13.92%) Fortinet
6 53 (12.30%) CheckPoint
7 43 (9.98%) Meraki
8 39 (9.05%) SolarWinds
9 34 (7.89%) Juniper
10 24 (5.57%) F5
11 16 (3.71%) Arista
11 16 (3.71%) Google
12 15 (3.48%) Splunk
13 14 (3.25%) Red Hat
13 14 (3.25%) Zscaler
14 13 (3.02%) Citrix
15 11 (2.55%) CrowdStrike
16 10 (2.32%) Aruba
17 9 (2.09%) Dynatrace
18 8 (1.86%) ServiceNow