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 3 December 2025, with comparisons to the same periods in the previous two years.

6 months to
3 Dec 2025
Same period 2024 Same period 2023
Rank 89 78 61
Rank change year-on-year -11 -17 +54
Permanent jobs citing Firewall 436 634 781
As % of all permanent jobs in London 3.30% 3.73% 4.26%
As % of the Communications & Networking category 28.40% 30.15% 33.50%
Number of salaries quoted 319 427 674
10th Percentile £32,000 £37,800 £38,300
25th Percentile £42,750 £52,500 £51,250
Median annual salary (50th Percentile) £66,500 £70,000 £65,000
Median % change year-on-year -5.00% +7.69% +1.56%
75th Percentile £87,375 £85,000 £85,000
90th Percentile £97,600 £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 1,535 2,103 2,331
As % of all permanent jobs advertised in London 11.61% 12.37% 12.71%
Number of salaries quoted 869 1,192 1,905
10th Percentile £28,697 £36,525 £33,750
25th Percentile £36,750 £48,660 £46,250
Median annual salary (50th Percentile) £60,000 £66,375 £65,000
Median % change year-on-year -9.60% +2.12% +4.00%
75th Percentile £85,000 £83,000 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £39,900 £54,000 £51,500
% change year-on-year -26.11% +4.85% -1.90%

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 3 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 3 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 -18 68 £75,000 - 29
East London +1 22 £34,500 -37.27% 6
West London +12 15 £49,500 -26.12% 7
South London +27 7 £46,000 -24.37% 9
North London +8 5 £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 45 (10.32%) Microsoft Exchange
2 34 (7.80%) SharePoint
3 3 (0.69%) Confluence
3 3 (0.69%) Moodle
3 3 (0.69%) nginx
4 2 (0.46%) Apache
4 2 (0.46%) Apache Airflow
5 1 (0.23%) IIS
5 1 (0.23%) Skype for Business
Applications
1 14 (3.21%) MS Visio
2 13 (2.98%) Microsoft Office
3 2 (0.46%) Microsoft Excel
3 2 (0.46%) Microsoft Project
4 1 (0.23%) Adobe Creative Suite
4 1 (0.23%) AutoCAD
4 1 (0.23%) Microsoft PowerPoint
4 1 (0.23%) Revit
Business Applications
1 2 (0.46%) Fidessa
2 1 (0.23%) SAP S/4HANA
Cloud Services
1 230 (52.75%) Azure
2 121 (27.75%) Microsoft 365
3 87 (19.95%) AWS
4 65 (14.91%) Entra ID
5 34 (7.80%) SaaS
6 27 (6.19%) IaaS
7 20 (4.59%) GCP
7 20 (4.59%) PaaS
8 17 (3.90%) GitHub
9 16 (3.67%) Azure Monitor
10 13 (2.98%) Azure Sentinel
11 12 (2.75%) Power Platform
12 11 (2.52%) Azure DevOps
12 11 (2.52%) Google Workspace
13 10 (2.29%) Azure ExpressRoute
14 9 (2.06%) Azure Logic Apps
14 9 (2.06%) Cloud Computing
14 9 (2.06%) Mimecast
15 8 (1.83%) Azure Key Vault
15 8 (1.83%) Power Automate
Communications & Networking
1 140 (32.11%) VPN
2 114 (26.15%) WAN
3 113 (25.92%) LAN
4 93 (21.33%) Network Security
5 69 (15.83%) Wi-Fi
6 63 (14.45%) Wireless
7 61 (13.99%) TCP/IP
7 61 (13.99%) VLAN
8 59 (13.53%) DNS
9 52 (11.93%) BGP
10 50 (11.47%) OSPF
11 49 (11.24%) DHCP
12 48 (11.01%) SD-WAN
13 31 (7.11%) VoIP
14 30 (6.88%) Intrusion Detection
15 22 (5.05%) Cisco Wireless
16 21 (4.82%) Cisco ASA
17 20 (4.59%) Wireshark
18 18 (4.13%) Cisco Nexus
18 18 (4.13%) WLAN
Database & Business Intelligence
1 20 (4.59%) SQL Server
2 11 (2.52%) Power BI
3 7 (1.61%) MySQL
4 6 (1.38%) NoSQL
4 6 (1.38%) Relational Database
5 4 (0.92%) Azure SQL Database
6 3 (0.69%) InfluxDB
7 2 (0.46%) Data Lake
7 2 (0.46%) Metadata
7 2 (0.46%) MongoDB
7 2 (0.46%) PostgreSQL
8 1 (0.23%) Oracle Reports
Development Applications
1 11 (2.52%) Git
2 4 (0.92%) TeamCity
3 3 (0.69%) GitLab
3 3 (0.69%) JIRA
3 3 (0.69%) Sonatype Nexus
4 2 (0.46%) Chocolatey
4 2 (0.46%) Jaeger
4 2 (0.46%) Jenkins
4 2 (0.46%) MLflow
5 1 (0.23%) Burp Suite
5 1 (0.23%) SonarQube
General
1 137 (31.42%) Social Skills
2 120 (27.52%) Finance
3 40 (9.17%) Analytical Skills
4 30 (6.88%) Banking
5 25 (5.73%) Telecoms
6 20 (4.59%) Documentation Skills
7 17 (3.90%) Law
8 13 (2.98%) Financial Institution
9 12 (2.75%) Inclusion and Diversity
10 10 (2.29%) Marketing
11 9 (2.06%) Legal
12 7 (1.61%) Manufacturing
12 7 (1.61%) Organisational Skills
12 7 (1.61%) Retail
13 6 (1.38%) Japanese Language
14 5 (1.15%) Public Sector
15 4 (0.92%) Advertising
15 4 (0.92%) Back Office
15 4 (0.92%) Billing
15 4 (0.92%) Influencing Skills
Job Titles
1 102 (23.39%) Network Engineer
2 71 (16.28%) Senior
3 65 (14.91%) Analyst
4 61 (13.99%) Infrastructure Engineer
5 52 (11.93%) Support Engineer
6 45 (10.32%) IT Support
7 34 (7.80%) IT Engineer
8 32 (7.34%) Support Analyst
9 30 (6.88%) Security Engineer
10 24 (5.50%) IT Analyst
10 24 (5.50%) Lead
10 24 (5.50%) Security Analyst
11 23 (5.28%) Senior Network Engineer
12 22 (5.05%) Azure Engineer
12 22 (5.05%) Cisco Engineer
13 21 (4.82%) Cloud Engineer
13 21 (4.82%) IT Support Engineer
14 17 (3.90%) Senior Infrastructure Engineer
15 16 (3.67%) 2nd Line Support
15 16 (3.67%) Network Support
Libraries, Frameworks & Software Standards
1 7 (1.61%) .NET
1 7 (1.61%) 802.1X
2 5 (1.15%) RESTful
2 5 (1.15%) YAML
3 4 (0.92%) ADO
3 4 (0.92%) OAuth
3 4 (0.92%) SAML
4 3 (0.69%) Elastic Stack
4 3 (0.69%) Microsoft Graph
5 2 (0.46%) AWS SAM
5 2 (0.46%) FastAPI
5 2 (0.46%) FIX Protocol
5 2 (0.46%) Kafka
5 2 (0.46%) Keycloak
5 2 (0.46%) REST
5 2 (0.46%) WebRTC
6 1 (0.23%) EDI
6 1 (0.23%) LDAP
6 1 (0.23%) Oracle Fusion
6 1 (0.23%) WSH
Miscellaneous
1 60 (13.76%) Data Centre
2 38 (8.72%) Management Information System
3 28 (6.42%) Hybrid Cloud
4 21 (4.82%) Cyber Threat
5 19 (4.36%) Driving Licence
6 18 (4.13%) Cloud Native
6 18 (4.13%) Onboarding
7 17 (3.90%) Self-Motivation
8 14 (3.21%) Public Cloud
9 13 (2.98%) Enterprise Software
9 13 (2.98%) Security Posture
10 12 (2.75%) PKI
11 8 (1.83%) Video Conferencing
11 8 (1.83%) Virtual Team
12 7 (1.61%) Private Cloud
12 7 (1.61%) Security Operations Centre
13 6 (1.38%) CCTV
13 6 (1.38%) IoT
13 6 (1.38%) Legacy Applications
13 6 (1.38%) Legacy Systems
Operating Systems
1 151 (34.63%) Windows
2 83 (19.04%) Linux
3 76 (17.43%) Windows Server
4 18 (4.13%) VMS
5 17 (3.90%) Unix
5 17 (3.90%) Windows 10
6 16 (3.67%) Windows Server 2019
7 15 (3.44%) Mac OS
8 12 (2.75%) Red Hat Enterprise Linux
9 11 (2.52%) Ubuntu
9 11 (2.52%) Windows Server 2016
10 8 (1.83%) CentOS
11 4 (0.92%) Mac OS X
12 3 (0.69%) Android
13 2 (0.46%) Apple iOS
13 2 (0.46%) Debian
13 2 (0.46%) Kali Linux
13 2 (0.46%) Solaris
14 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 95 (21.79%) Cybersecurity
2 94 (21.56%) Problem-Solving
3 86 (19.72%) Incident Response
4 73 (16.74%) Infrastructure Engineering
5 66 (15.14%) Infrastructure as Code
5 66 (15.14%) SIEM
6 60 (13.76%) Disaster Recovery
7 51 (11.70%) Computer Science
7 51 (11.70%) Information Security
7 51 (11.70%) ITIL
8 48 (11.01%) Migration
9 47 (10.78%) DevOps
10 43 (9.86%) Network Monitoring
11 41 (9.40%) Cloud Security
11 41 (9.40%) Load Balancing
12 40 (9.17%) Security Operations
13 38 (8.72%) Customer Service
14 36 (8.26%) Continuous Improvement
15 35 (8.03%) High Availability
16 34 (7.80%) Change Management
Programming Languages
1 91 (20.87%) Python
2 90 (20.64%) PowerShell
3 32 (7.34%) Bash
4 23 (5.28%) SQL
5 10 (2.29%) Bicep
6 7 (1.61%) Go
7 6 (1.38%) Kusto Query Language
8 4 (0.92%) Java
8 4 (0.92%) Shell Script
9 3 (0.69%) 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 88 (20.18%) Cisco Certification
1 88 (20.18%) Degree
2 66 (15.14%) CCNP
3 47 (10.78%) CISSP
4 38 (8.72%) CCNA
5 37 (8.49%) CCIE
6 29 (6.65%) Azure Certification
7 27 (6.19%) Computer Science Degree
8 26 (5.96%) CISM
9 22 (5.05%) AWS Certification
9 22 (5.05%) Security Cleared
10 17 (3.90%) Microsoft Certification
11 15 (3.44%) Network+ Certification
11 15 (3.44%) SC Cleared
12 14 (3.21%) DBS Check
13 12 (2.75%) HND
14 11 (2.52%) CompTIA Security+
15 10 (2.29%) CCSA
15 10 (2.29%) CCSE
15 10 (2.29%) CEH
Quality Assurance & Compliance
1 66 (15.14%) ISO/IEC 27001
2 47 (10.78%) NIST
3 44 (10.09%) GDPR
4 22 (5.05%) Cyber Essentials
5 11 (2.52%) PCI DSS
6 10 (2.29%) SOC 2
7 7 (1.61%) Cyber Essentials PLUS
8 6 (1.38%) PMO
9 5 (1.15%) QA
9 5 (1.15%) SLA
10 4 (0.92%) GRC
11 3 (0.69%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 3 (0.69%) ITGC
12 2 (0.46%) Accessibility
12 2 (0.46%) Basel III
12 2 (0.46%) MiFID
12 2 (0.46%) Sarbanes-Oxley
13 1 (0.23%) HIPAA
13 1 (0.23%) NIST 800
System Software
1 132 (30.28%) Active Directory
2 61 (13.99%) VMware Infrastructure
3 26 (5.96%) Hyper-V
4 17 (3.90%) vSphere
5 16 (3.67%) Virtual Machines
6 12 (2.75%) Docker
6 12 (2.75%) Firmware
7 10 (2.29%) Virtual Desktop
8 9 (2.06%) NFS
9 8 (1.83%) VMware ESXi
10 6 (1.38%) ProxySG
11 5 (1.15%) KVM
11 5 (1.15%) XenApp
11 5 (1.15%) XenDesktop
12 4 (0.92%) pfSense
13 3 (0.69%) EMC RecoverPoint
13 3 (0.69%) VMware NSX
14 2 (0.46%) Squid
14 2 (0.46%) Virtual Servers
15 1 (0.23%) VMware Server
Systems Management
1 68 (15.60%) Terraform
2 54 (12.39%) Ansible
3 50 (11.47%) Microsoft Intune
4 37 (8.49%) Kubernetes
5 24 (5.50%) SCCM
6 23 (5.28%) FortiGate
7 16 (3.67%) Autotask
8 15 (3.44%) Grafana
9 12 (2.75%) Single Sign-On
10 11 (2.52%) Prometheus
11 8 (1.83%) CASB
11 8 (1.83%) CSIRT
11 8 (1.83%) Nessus
12 6 (1.38%) QRadar
13 5 (1.15%) Computer Emergency Response Teams
13 5 (1.15%) SCOM
14 4 (0.92%) Argo
14 4 (0.92%) Cilium
14 4 (0.92%) vCenter Server
15 3 (0.69%) VxRail
Vendors
1 156 (35.78%) Microsoft
2 153 (35.09%) Cisco
3 90 (20.64%) VMware
4 71 (16.28%) Palo Alto
5 50 (11.47%) CheckPoint
6 47 (10.78%) Fortinet
7 41 (9.40%) Meraki
7 41 (9.40%) SolarWinds
8 33 (7.57%) Juniper
9 28 (6.42%) F5
10 16 (3.67%) Arista
10 16 (3.67%) Zscaler
11 15 (3.44%) Google
11 15 (3.44%) Splunk
12 14 (3.21%) Red Hat
13 13 (2.98%) Citrix
14 10 (2.29%) Aruba
15 9 (2.06%) Commvault
15 9 (2.06%) CrowdStrike
16 8 (1.83%) Pure Storage