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

6 months to
16 Nov 2025
Same period 2024 Same period 2023
Rank 83 75 65
Rank change year-on-year -8 -10 +64
Permanent jobs citing Firewall 452 635 825
As % of all permanent jobs in London 3.53% 3.65% 4.28%
As % of the Communications & Networking category 29.03% 30.46% 33.81%
Number of salaries quoted 333 411 717
10th Percentile £32,000 £37,500 £36,700
25th Percentile £42,500 £49,678 £51,250
Median annual salary (50th Percentile) £65,000 £70,000 £65,000
Median % change year-on-year -7.14% +7.69% +1.56%
75th Percentile £82,500 £83,750 £86,250
90th Percentile £95,000 £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 1,557 2,085 2,440
As % of all permanent jobs advertised in London 12.15% 11.99% 12.66%
Number of salaries quoted 886 1,185 1,989
10th Percentile £28,697 £36,850 £33,000
25th Percentile £36,750 £47,500 £45,000
Median annual salary (50th Percentile) £57,900 £65,000 £65,000
Median % change year-on-year -10.92% - +4.00%
75th Percentile £82,500 £82,500 £82,548
90th Percentile £105,000 £100,000 £100,000
England median annual salary £40,000 £53,500 £51,500
% change year-on-year -25.23% +3.88% -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 16 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 16 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 -19 71 £70,000 -6.67% 102
East London 0 21 £34,500 -37.27% 3
West London +11 15 £49,500 +1.54% 9
South London +19 7 £46,000 -23.33% 8
North London +3 5 £75,000 +66.67%
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 49 (10.84%) Microsoft Exchange
2 38 (8.41%) SharePoint
3 4 (0.88%) Moodle
4 3 (0.66%) nginx
5 2 (0.44%) Apache Airflow
5 2 (0.44%) Confluence
5 2 (0.44%) Skype for Business
6 1 (0.22%) Apache
6 1 (0.22%) IIS
Applications
1 16 (3.54%) MS Visio
2 12 (2.65%) Microsoft Office
3 3 (0.66%) Microsoft Project
4 2 (0.44%) AutoCAD
4 2 (0.44%) Microsoft Excel
4 2 (0.44%) Revit
5 1 (0.22%) Adobe Creative Suite
5 1 (0.22%) Microsoft PowerPoint
Business Applications
1 2 (0.44%) Fidessa
2 1 (0.22%) SAP S/4HANA
Cloud Services
1 228 (50.44%) Azure
2 116 (25.66%) Microsoft 365
3 87 (19.25%) AWS
4 62 (13.72%) Entra ID
5 35 (7.74%) SaaS
6 27 (5.97%) IaaS
7 20 (4.42%) GCP
7 20 (4.42%) PaaS
8 18 (3.98%) GitHub
9 15 (3.32%) Azure Monitor
10 14 (3.10%) Azure Sentinel
11 13 (2.88%) Power Platform
12 12 (2.65%) Google Workspace
13 9 (1.99%) Azure ExpressRoute
13 9 (1.99%) Azure Logic Apps
14 8 (1.77%) Microsoft Purview
14 8 (1.77%) Power Automate
15 7 (1.55%) Azure DevOps
15 7 (1.55%) Cloud Computing
15 7 (1.55%) Mimecast
Communications & Networking
1 140 (30.97%) VPN
2 123 (27.21%) LAN
3 120 (26.55%) WAN
4 98 (21.68%) Network Security
5 69 (15.27%) Wi-Fi
6 63 (13.94%) Wireless
7 62 (13.72%) TCP/IP
7 62 (13.72%) VLAN
8 58 (12.83%) BGP
9 57 (12.61%) DNS
10 56 (12.39%) OSPF
11 50 (11.06%) SD-WAN
12 45 (9.96%) DHCP
13 35 (7.74%) Intrusion Detection
14 32 (7.08%) VoIP
15 21 (4.65%) Cisco ASA
15 21 (4.65%) Cisco Wireless
15 21 (4.65%) MPLS
16 20 (4.42%) Wireshark
16 20 (4.42%) WLAN
Database & Business Intelligence
1 17 (3.76%) SQL Server
2 12 (2.65%) Power BI
3 7 (1.55%) MySQL
4 6 (1.33%) NoSQL
4 6 (1.33%) Relational Database
5 4 (0.88%) Data Lake
6 3 (0.66%) InfluxDB
7 2 (0.44%) Metadata
7 2 (0.44%) MongoDB
7 2 (0.44%) PostgreSQL
8 1 (0.22%) Azure SQL Database
8 1 (0.22%) Oracle Reports
Development Applications
1 12 (2.65%) Git
2 4 (0.88%) GitLab
2 4 (0.88%) JIRA
2 4 (0.88%) TeamCity
3 2 (0.44%) Jaeger
3 2 (0.44%) Jenkins
3 2 (0.44%) MLflow
3 2 (0.44%) Sonatype Nexus
4 1 (0.22%) Burp Suite
4 1 (0.22%) SonarQube
General
1 143 (31.64%) Social Skills
2 121 (26.77%) Finance
3 39 (8.63%) Analytical Skills
4 32 (7.08%) Banking
5 28 (6.19%) Telecoms
6 24 (5.31%) Documentation Skills
7 17 (3.76%) Law
8 16 (3.54%) Inclusion and Diversity
9 13 (2.88%) Financial Institution
9 13 (2.88%) Marketing
10 8 (1.77%) Legal
10 8 (1.77%) Public Sector
11 7 (1.55%) Japanese Language
11 7 (1.55%) Manufacturing
11 7 (1.55%) Retail
12 6 (1.33%) Organisational Skills
13 4 (0.88%) Advertising
13 4 (0.88%) Back Office
13 4 (0.88%) Billing
14 3 (0.66%) Investment Banking
Job Titles
1 109 (24.12%) Network Engineer
2 72 (15.93%) Analyst
3 70 (15.49%) Senior
4 63 (13.94%) Infrastructure Engineer
5 51 (11.28%) Support Engineer
6 46 (10.18%) IT Support
7 34 (7.52%) Support Analyst
8 31 (6.86%) Security Engineer
9 30 (6.64%) IT Engineer
10 28 (6.19%) Lead
11 27 (5.97%) IT Analyst
12 25 (5.53%) Cisco Engineer
12 25 (5.53%) Security Analyst
13 21 (4.65%) Senior Network Engineer
14 20 (4.42%) Cloud Engineer
14 20 (4.42%) IT Support Engineer
15 18 (3.98%) Network Support
16 17 (3.76%) Azure Engineer
16 17 (3.76%) IT Support Analyst
17 16 (3.54%) 2nd Line Support
Libraries, Frameworks & Software Standards
1 9 (1.99%) 802.1X
2 6 (1.33%) .NET
2 6 (1.33%) RESTful
3 4 (0.88%) REST
4 3 (0.66%) Elastic Stack
4 3 (0.66%) LDAP
4 3 (0.66%) Microsoft Graph
4 3 (0.66%) YAML
5 2 (0.44%) FastAPI
5 2 (0.44%) FIX Protocol
5 2 (0.44%) Kafka
5 2 (0.44%) Keycloak
5 2 (0.44%) WebRTC
6 1 (0.22%) ADO
6 1 (0.22%) AWS SAM
6 1 (0.22%) EDI
6 1 (0.22%) OAuth
6 1 (0.22%) Oracle Fusion
6 1 (0.22%) SAML
6 1 (0.22%) WSH
Miscellaneous
1 66 (14.60%) Data Centre
2 38 (8.41%) Management Information System
3 26 (5.75%) Hybrid Cloud
4 21 (4.65%) Self-Motivation
5 19 (4.20%) Cyber Threat
6 18 (3.98%) Onboarding
7 17 (3.76%) Driving Licence
8 14 (3.10%) Cloud Native
8 14 (3.10%) Public Cloud
9 13 (2.88%) Enterprise Software
9 13 (2.88%) Security Posture
10 10 (2.21%) PKI
11 9 (1.99%) Video Conferencing
12 8 (1.77%) Security Operations Centre
12 8 (1.77%) Virtual Team
13 7 (1.55%) CCTV
13 7 (1.55%) IoT
13 7 (1.55%) Social Media
14 6 (1.33%) Blog
14 6 (1.33%) Private Cloud
Operating Systems
1 163 (36.06%) Windows
2 90 (19.91%) Linux
3 82 (18.14%) Windows Server
4 17 (3.76%) Unix
5 15 (3.32%) Red Hat Enterprise Linux
5 15 (3.32%) Windows 10
6 14 (3.10%) Windows Server 2019
7 13 (2.88%) Mac OS
7 13 (2.88%) VMS
8 10 (2.21%) Ubuntu
9 9 (1.99%) Windows Server 2016
10 8 (1.77%) CentOS
11 5 (1.11%) Android
12 4 (0.88%) Mac OS X
13 2 (0.44%) Apple iOS
13 2 (0.44%) Debian
13 2 (0.44%) Kali Linux
13 2 (0.44%) Solaris
14 1 (0.22%) Windows Server 2012
Processes & Methodologies
1 97 (21.46%) Problem-Solving
2 92 (20.35%) Cybersecurity
3 83 (18.36%) Incident Response
4 74 (16.37%) Infrastructure Engineering
5 68 (15.04%) SIEM
6 65 (14.38%) Infrastructure as Code
7 57 (12.61%) Disaster Recovery
8 52 (11.50%) ITIL
9 49 (10.84%) Computer Science
9 49 (10.84%) DevOps
9 49 (10.84%) Migration
10 46 (10.18%) Information Security
11 42 (9.29%) Network Monitoring
12 41 (9.07%) Customer Service
13 40 (8.85%) Cloud Security
13 40 (8.85%) Load Balancing
14 38 (8.41%) Security Operations
15 37 (8.19%) Change Management
16 35 (7.74%) Kalman Filter
17 34 (7.52%) Continuous Improvement
Programming Languages
1 95 (21.02%) Python
2 91 (20.13%) PowerShell
3 35 (7.74%) Bash
4 22 (4.87%) SQL
5 9 (1.99%) Bicep
6 7 (1.55%) Go
7 4 (0.88%) Java
7 4 (0.88%) Shell Script
8 3 (0.66%) JavaScript
8 3 (0.66%) Kusto Query Language
9 1 (0.22%) C#
9 1 (0.22%) C++
9 1 (0.22%) Perl
9 1 (0.22%) R
9 1 (0.22%) Rust
9 1 (0.22%) Search Processing Language
9 1 (0.22%) VB.NET
9 1 (0.22%) VBScript
Qualifications
1 93 (20.58%) Cisco Certification
2 89 (19.69%) Degree
3 68 (15.04%) CCNP
4 45 (9.96%) CCNA
5 40 (8.85%) CISSP
6 37 (8.19%) CCIE
7 30 (6.64%) Azure Certification
8 26 (5.75%) Computer Science Degree
9 22 (4.87%) CISM
9 22 (4.87%) Security Cleared
10 21 (4.65%) AWS Certification
11 17 (3.76%) SC Cleared
12 16 (3.54%) Microsoft Certification
13 15 (3.32%) Network+ Certification
14 12 (2.65%) DBS Check
14 12 (2.65%) HND
15 11 (2.43%) CompTIA Security+
16 10 (2.21%) MCP
17 9 (1.99%) CCSA
17 9 (1.99%) CCSE
Quality Assurance & Compliance
1 60 (13.27%) ISO/IEC 27001
2 48 (10.62%) NIST
3 39 (8.63%) GDPR
4 19 (4.20%) Cyber Essentials
5 9 (1.99%) PCI DSS
6 8 (1.77%) QA
7 6 (1.33%) PMO
7 6 (1.33%) SLA
7 6 (1.33%) SOC 2
8 4 (0.88%) Cyber Essentials PLUS
8 4 (0.88%) GRC
9 3 (0.66%) ITGC
10 2 (0.44%) Accessibility
10 2 (0.44%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 2 (0.44%) Sarbanes-Oxley
11 1 (0.22%) Basel III
11 1 (0.22%) HIPAA
11 1 (0.22%) MiFID
11 1 (0.22%) NIST 800
System Software
1 131 (28.98%) Active Directory
2 71 (15.71%) VMware Infrastructure
3 27 (5.97%) Hyper-V
4 19 (4.20%) vSphere
5 13 (2.88%) Virtual Machines
6 12 (2.65%) NFS
7 10 (2.21%) Firmware
7 10 (2.21%) Virtual Desktop
8 8 (1.77%) Docker
8 8 (1.77%) ProxySG
8 8 (1.77%) VMware ESXi
9 6 (1.33%) EMC RecoverPoint
10 5 (1.11%) KVM
10 5 (1.11%) XenApp
10 5 (1.11%) XenDesktop
11 4 (0.88%) pfSense
11 4 (0.88%) Virtual Servers
12 3 (0.66%) VMware NSX
13 2 (0.44%) Squid
14 1 (0.22%) VMware Server
Systems Management
1 63 (13.94%) Terraform
2 53 (11.73%) Ansible
3 48 (10.62%) Microsoft Intune
4 36 (7.96%) Kubernetes
5 21 (4.65%) FortiGate
6 19 (4.20%) SCCM
7 16 (3.54%) Autotask
7 16 (3.54%) Grafana
8 14 (3.10%) Single Sign-On
9 12 (2.65%) Prometheus
10 8 (1.77%) CSIRT
10 8 (1.77%) Nessus
11 7 (1.55%) CASB
12 6 (1.33%) QRadar
12 6 (1.33%) VxRail
13 5 (1.11%) Cisco CUCM
13 5 (1.11%) Computer Emergency Response Teams
13 5 (1.11%) SCOM
14 4 (0.88%) Cilium
14 4 (0.88%) vCenter Server
Vendors
1 162 (35.84%) Cisco
2 157 (34.73%) Microsoft
3 99 (21.90%) VMware
4 68 (15.04%) Palo Alto
5 53 (11.73%) CheckPoint
6 50 (11.06%) SolarWinds
7 48 (10.62%) Fortinet
8 40 (8.85%) Meraki
9 32 (7.08%) Juniper
10 28 (6.19%) F5
11 19 (4.20%) Splunk
12 17 (3.76%) Arista
12 17 (3.76%) Red Hat
12 17 (3.76%) Zscaler
13 16 (3.54%) Google
14 13 (2.88%) Citrix
15 12 (2.65%) Commvault
16 11 (2.43%) Aruba
16 11 (2.43%) Pure Storage
17 8 (1.77%) CrowdStrike