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 28 November 2025, with comparisons to the same periods in the previous two years.

6 months to
28 Nov 2025
Same period 2024 Same period 2023
Rank 85 83 64
Rank change year-on-year -2 -19 +54
Permanent jobs citing Firewall 439 648 789
As % of all permanent jobs in London 3.34% 3.69% 4.26%
As % of the Communications & Networking category 28.34% 30.35% 33.47%
Number of salaries quoted 324 430 684
10th Percentile £32,000 £37,950 £36,475
25th Percentile £42,500 £52,500 £50,939
Median annual salary (50th Percentile) £65,000 £70,000 £65,000
Median % change year-on-year -7.14% +7.69% +1.96%
75th Percentile £85,563 £85,000 £85,000
90th Percentile £97,500 £95,000 £100,000
England median annual salary £45,000 £52,500 £52,500
% change year-on-year -14.29% - -

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 1,549 2,135 2,357
As % of all permanent jobs advertised in London 11.80% 12.16% 12.71%
Number of salaries quoted 876 1,209 1,930
10th Percentile £28,697 £36,450 £33,500
25th Percentile £36,750 £47,500 £45,531
Median annual salary (50th Percentile) £60,000 £65,000 £65,000
Median % change year-on-year -7.69% - +4.00%
75th Percentile £85,000 £82,500 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £53,500 £51,934
% change year-on-year -25.23% +3.01% -1.08%

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 28 November 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 28 November 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 -21 71 £70,000 -6.67% 30
East London +3 21 £34,500 -37.27% 3
West London +8 16 £50,000 -25.37% 6
South London +25 7 £46,000 -23.33% 5
North London +8 5 £75,000 +66.67% 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 45 (10.25%) Microsoft Exchange
2 35 (7.97%) SharePoint
3 3 (0.68%) Confluence
3 3 (0.68%) Moodle
3 3 (0.68%) nginx
4 2 (0.46%) Apache Airflow
4 2 (0.46%) Skype for Business
5 1 (0.23%) Apache
5 1 (0.23%) IIS
Applications
1 16 (3.64%) MS Visio
2 12 (2.73%) Microsoft Office
3 3 (0.68%) Microsoft Project
4 2 (0.46%) AutoCAD
4 2 (0.46%) Microsoft Excel
4 2 (0.46%) Revit
5 1 (0.23%) Adobe Creative Suite
5 1 (0.23%) Microsoft PowerPoint
Business Applications
1 2 (0.46%) Fidessa
2 1 (0.23%) SAP S/4HANA
Cloud Services
1 225 (51.25%) Azure
2 118 (26.88%) Microsoft 365
3 86 (19.59%) AWS
4 64 (14.58%) Entra ID
5 33 (7.52%) SaaS
6 26 (5.92%) IaaS
7 19 (4.33%) GCP
7 19 (4.33%) PaaS
8 16 (3.64%) GitHub
9 15 (3.42%) Azure Monitor
10 13 (2.96%) Azure Sentinel
11 12 (2.73%) Power Platform
12 11 (2.51%) Google Workspace
13 10 (2.28%) Azure DevOps
13 10 (2.28%) Azure ExpressRoute
14 9 (2.05%) Azure Logic Apps
14 9 (2.05%) Cloud Computing
15 8 (1.82%) Microsoft Purview
15 8 (1.82%) Mimecast
15 8 (1.82%) Power Automate
Communications & Networking
1 133 (30.30%) VPN
2 117 (26.65%) LAN
2 117 (26.65%) WAN
3 97 (22.10%) Network Security
4 67 (15.26%) Wi-Fi
5 64 (14.58%) Wireless
6 62 (14.12%) TCP/IP
7 60 (13.67%) VLAN
8 58 (13.21%) DNS
9 54 (12.30%) BGP
10 51 (11.62%) OSPF
11 50 (11.39%) SD-WAN
12 47 (10.71%) DHCP
13 32 (7.29%) Intrusion Detection
13 32 (7.29%) VoIP
14 22 (5.01%) Cisco Wireless
15 20 (4.56%) Wireshark
16 19 (4.33%) Cisco ASA
17 18 (4.10%) Cisco Nexus
17 18 (4.10%) WLAN
Database & Business Intelligence
1 17 (3.87%) SQL Server
2 11 (2.51%) Power BI
3 7 (1.59%) MySQL
4 6 (1.37%) NoSQL
4 6 (1.37%) Relational Database
5 3 (0.68%) Azure SQL Database
5 3 (0.68%) Data Lake
5 3 (0.68%) InfluxDB
6 2 (0.46%) Metadata
6 2 (0.46%) MongoDB
6 2 (0.46%) PostgreSQL
7 1 (0.23%) Oracle Reports
Development Applications
1 10 (2.28%) Git
2 5 (1.14%) JIRA
3 4 (0.91%) TeamCity
4 3 (0.68%) GitLab
5 2 (0.46%) Jaeger
5 2 (0.46%) Jenkins
5 2 (0.46%) MLflow
5 2 (0.46%) Sonatype Nexus
6 1 (0.23%) Burp Suite
6 1 (0.23%) SonarQube
General
1 138 (31.44%) Social Skills
2 117 (26.65%) Finance
3 38 (8.66%) Analytical Skills
4 29 (6.61%) Banking
5 26 (5.92%) Telecoms
6 21 (4.78%) Documentation Skills
7 18 (4.10%) Law
8 13 (2.96%) Financial Institution
8 13 (2.96%) Inclusion and Diversity
9 12 (2.73%) Marketing
10 9 (2.05%) Legal
11 7 (1.59%) Japanese Language
11 7 (1.59%) Manufacturing
11 7 (1.59%) Public Sector
11 7 (1.59%) Retail
12 6 (1.37%) Organisational Skills
13 4 (0.91%) Advertising
13 4 (0.91%) Back Office
13 4 (0.91%) Billing
13 4 (0.91%) Influencing Skills
Job Titles
1 105 (23.92%) Network Engineer
2 68 (15.49%) Senior
3 66 (15.03%) Analyst
4 60 (13.67%) Infrastructure Engineer
5 51 (11.62%) Support Engineer
6 45 (10.25%) IT Support
7 33 (7.52%) Support Analyst
8 32 (7.29%) Security Engineer
9 30 (6.83%) IT Engineer
10 26 (5.92%) IT Analyst
11 24 (5.47%) Lead
11 24 (5.47%) Security Analyst
12 22 (5.01%) Senior Network Engineer
13 21 (4.78%) Cisco Engineer
14 20 (4.56%) IT Support Engineer
15 19 (4.33%) Azure Engineer
15 19 (4.33%) Cloud Engineer
16 17 (3.87%) Network Support
17 16 (3.64%) IT Support Analyst
18 15 (3.42%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 8 (1.82%) 802.1X
2 7 (1.59%) .NET
3 5 (1.14%) RESTful
4 4 (0.91%) YAML
5 3 (0.68%) ADO
5 3 (0.68%) Elastic Stack
5 3 (0.68%) Microsoft Graph
5 3 (0.68%) OAuth
5 3 (0.68%) REST
5 3 (0.68%) SAML
6 2 (0.46%) AWS SAM
6 2 (0.46%) FastAPI
6 2 (0.46%) FIX Protocol
6 2 (0.46%) Kafka
6 2 (0.46%) Keycloak
6 2 (0.46%) LDAP
6 2 (0.46%) WebRTC
7 1 (0.23%) EDI
7 1 (0.23%) Oracle Fusion
7 1 (0.23%) WSH
Miscellaneous
1 60 (13.67%) Data Centre
2 37 (8.43%) Management Information System
3 29 (6.61%) Hybrid Cloud
4 20 (4.56%) Self-Motivation
5 19 (4.33%) Cyber Threat
6 18 (4.10%) Cloud Native
6 18 (4.10%) Driving Licence
6 18 (4.10%) Onboarding
7 14 (3.19%) Public Cloud
8 13 (2.96%) Enterprise Software
8 13 (2.96%) Security Posture
9 11 (2.51%) PKI
10 9 (2.05%) Video Conferencing
11 8 (1.82%) Virtual Team
12 7 (1.59%) CCTV
12 7 (1.59%) IoT
12 7 (1.59%) Private Cloud
12 7 (1.59%) Security Operations Centre
12 7 (1.59%) Social Media
13 6 (1.37%) Blog
Operating Systems
1 154 (35.08%) Windows
2 84 (19.13%) Linux
3 80 (18.22%) Windows Server
4 17 (3.87%) Unix
5 16 (3.64%) VMS
5 16 (3.64%) Windows 10
6 15 (3.42%) Windows Server 2019
7 14 (3.19%) Mac OS
8 12 (2.73%) Red Hat Enterprise Linux
9 10 (2.28%) Ubuntu
9 10 (2.28%) Windows Server 2016
10 8 (1.82%) CentOS
11 4 (0.91%) Android
11 4 (0.91%) Mac OS X
12 2 (0.46%) Apple iOS
12 2 (0.46%) Debian
12 2 (0.46%) Kali Linux
12 2 (0.46%) Solaris
13 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 97 (22.10%) Cybersecurity
2 92 (20.96%) Problem-Solving
3 84 (19.13%) Incident Response
4 72 (16.40%) Infrastructure Engineering
5 67 (15.26%) SIEM
6 65 (14.81%) Infrastructure as Code
7 56 (12.76%) Disaster Recovery
8 49 (11.16%) Computer Science
8 49 (11.16%) Information Security
8 49 (11.16%) ITIL
9 47 (10.71%) Migration
10 46 (10.48%) DevOps
11 42 (9.57%) Cloud Security
11 42 (9.57%) Network Monitoring
12 41 (9.34%) Load Balancing
12 41 (9.34%) Security Operations
13 39 (8.88%) Customer Service
14 35 (7.97%) Continuous Improvement
15 34 (7.74%) High Availability
16 33 (7.52%) Change Management
Programming Languages
1 92 (20.96%) PowerShell
2 91 (20.73%) Python
3 32 (7.29%) Bash
4 22 (5.01%) SQL
5 10 (2.28%) Bicep
6 7 (1.59%) Go
7 5 (1.14%) Kusto Query Language
8 4 (0.91%) Java
8 4 (0.91%) Shell Script
9 3 (0.68%) JavaScript
10 1 (0.23%) C#
10 1 (0.23%) Perl
10 1 (0.23%) R
10 1 (0.23%) VB.NET
10 1 (0.23%) VBScript
Qualifications
1 90 (20.50%) Cisco Certification
1 90 (20.50%) Degree
2 66 (15.03%) CCNP
3 45 (10.25%) CISSP
4 40 (9.11%) CCNA
5 38 (8.66%) CCIE
6 29 (6.61%) Azure Certification
7 25 (5.69%) CISM
8 24 (5.47%) Computer Science Degree
9 22 (5.01%) AWS Certification
10 21 (4.78%) Security Cleared
11 17 (3.87%) Microsoft Certification
12 16 (3.64%) Network+ Certification
13 15 (3.42%) SC Cleared
14 13 (2.96%) DBS Check
15 12 (2.73%) HND
16 11 (2.51%) CompTIA Security+
17 10 (2.28%) MCP
18 9 (2.05%) CCSA
18 9 (2.05%) CEH
Quality Assurance & Compliance
1 66 (15.03%) ISO/IEC 27001
2 48 (10.93%) NIST
3 43 (9.79%) GDPR
4 21 (4.78%) Cyber Essentials
5 11 (2.51%) PCI DSS
6 9 (2.05%) SOC 2
7 6 (1.37%) Cyber Essentials PLUS
7 6 (1.37%) PMO
7 6 (1.37%) QA
8 4 (0.91%) GRC
9 3 (0.68%) ITGC
9 3 (0.68%) SLA
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%) Sarbanes-Oxley
11 1 (0.23%) HIPAA
11 1 (0.23%) NIST 800
System Software
1 129 (29.38%) Active Directory
2 65 (14.81%) VMware Infrastructure
3 27 (6.15%) Hyper-V
4 17 (3.87%) vSphere
5 15 (3.42%) Virtual Machines
6 12 (2.73%) Firmware
7 11 (2.51%) Virtual Desktop
8 10 (2.28%) Docker
9 9 (2.05%) NFS
10 8 (1.82%) VMware ESXi
11 7 (1.59%) ProxySG
12 5 (1.14%) KVM
12 5 (1.14%) XenApp
12 5 (1.14%) XenDesktop
13 4 (0.91%) pfSense
14 3 (0.68%) EMC RecoverPoint
14 3 (0.68%) Virtual Servers
14 3 (0.68%) VMware NSX
15 2 (0.46%) Squid
16 1 (0.23%) VMware Server
Systems Management
1 65 (14.81%) Terraform
2 52 (11.85%) Ansible
3 49 (11.16%) Microsoft Intune
4 35 (7.97%) Kubernetes
5 22 (5.01%) FortiGate
5 22 (5.01%) SCCM
6 16 (3.64%) Autotask
7 14 (3.19%) Grafana
8 12 (2.73%) Single Sign-On
9 10 (2.28%) Prometheus
10 8 (1.82%) CASB
10 8 (1.82%) CSIRT
10 8 (1.82%) Nessus
11 6 (1.37%) QRadar
12 5 (1.14%) Computer Emergency Response Teams
12 5 (1.14%) SCOM
13 4 (0.91%) Cilium
13 4 (0.91%) vCenter Server
14 3 (0.68%) Proxmox
14 3 (0.68%) VxRail
Vendors
1 158 (35.99%) Cisco
2 155 (35.31%) Microsoft
3 91 (20.73%) VMware
4 70 (15.95%) Palo Alto
5 48 (10.93%) CheckPoint
6 47 (10.71%) Fortinet
7 42 (9.57%) SolarWinds
8 40 (9.11%) Meraki
9 35 (7.97%) Juniper
10 27 (6.15%) F5
11 16 (3.64%) Arista
11 16 (3.64%) Zscaler
12 15 (3.42%) Google
12 15 (3.42%) Splunk
13 14 (3.19%) Red Hat
14 13 (2.96%) Citrix
15 11 (2.51%) Aruba
16 9 (2.05%) Commvault
17 8 (1.82%) CrowdStrike
17 8 (1.82%) Pure Storage