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 17 January 2026, with comparisons to the same periods in the previous two years.

6 months to
17 Jan 2026
Same period 2025 Same period 2024
Rank 95 72 68
Rank change year-on-year -23 -4 +34
Permanent jobs citing Firewall 419 636 770
As % of all permanent jobs in London 2.93% 4.10% 4.06%
As % of the Communications & Networking category 24.04% 32.01% 32.57%
Number of salaries quoted 303 430 656
10th Percentile £32,000 £40,000 £42,250
25th Percentile £41,250 £56,938 £52,500
Median annual salary (50th Percentile) £70,000 £72,500 £65,000
Median % change year-on-year -3.45% +11.54% +4.00%
75th Percentile £87,500 £90,000 £82,500
90th Percentile £98,750 £105,125 £97,500
England median annual salary £46,000 £53,844 £51,000
% change year-on-year -14.57% +5.58% -2.86%

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 1,743 1,987 2,364
As % of all permanent jobs advertised in London 12.21% 12.82% 12.45%
Number of salaries quoted 919 1,110 1,851
10th Percentile £28,697 £37,000 £35,000
25th Percentile £37,000 £50,000 £47,500
Median annual salary (50th Percentile) £60,000 £67,500 £65,000
Median % change year-on-year -11.11% +3.85% +4.00%
75th Percentile £87,375 £85,000 £82,500
90th Percentile £107,500 £102,750 £97,500
England median annual salary £40,000 £55,000 £50,000
% change year-on-year -27.27% +10.00% -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 17 January 2026.

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 17 January 2026. 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 -11 71 £80,000 +3.23% 26
East London +8 25 £35,000 - 3
West London +12 14 £72,500 +26.09% 4
South London +25 8 £46,000 -23.33% 6
North London +12 7 £75,000 +50.00% 2
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 36 (8.59%) Microsoft Exchange
2 25 (5.97%) SharePoint
3 4 (0.95%) Apache
3 4 (0.95%) Confluence
4 2 (0.48%) Apache Airflow
4 2 (0.48%) nginx
5 1 (0.24%) IIS
Applications
1 9 (2.15%) Microsoft Office
2 8 (1.91%) MS Visio
3 1 (0.24%) Adobe Creative Suite
3 1 (0.24%) Microsoft Project
Business Applications
1 2 (0.48%) Fidessa
2 1 (0.24%) Dynamics CRM
Cloud Services
1 237 (56.56%) Azure
2 126 (30.07%) Microsoft 365
3 88 (21.00%) AWS
4 61 (14.56%) Entra ID
5 33 (7.88%) SaaS
6 28 (6.68%) GCP
7 23 (5.49%) IaaS
8 21 (5.01%) PaaS
9 19 (4.53%) Azure DevOps
9 19 (4.53%) GitHub
10 18 (4.30%) Datadog
11 16 (3.82%) Azure ExpressRoute
11 16 (3.82%) Azure Monitor
12 14 (3.34%) GitHub Actions
13 13 (3.10%) Azure Sentinel
14 11 (2.63%) Azure Key Vault
15 10 (2.39%) Azure AKS
15 10 (2.39%) Google Workspace
16 9 (2.15%) AWS CloudFormation
17 8 (1.91%) Cloud Computing
Communications & Networking
1 155 (36.99%) VPN
2 115 (27.45%) WAN
3 96 (22.91%) LAN
4 86 (20.53%) Wi-Fi
5 67 (15.99%) DNS
6 65 (15.51%) Network Security
7 61 (14.56%) VLAN
8 56 (13.37%) SD-WAN
8 56 (13.37%) Wireless
9 54 (12.89%) TCP/IP
10 52 (12.41%) DHCP
11 39 (9.31%) BGP
12 37 (8.83%) OSPF
13 29 (6.92%) Cisco ASA
14 23 (5.49%) VoIP
15 22 (5.25%) Intrusion Detection
16 20 (4.77%) Cisco Firepower
16 20 (4.77%) Cisco Wireless
17 18 (4.30%) SAN
18 17 (4.06%) WLAN
Database & Business Intelligence
1 25 (5.97%) SQL Server
2 8 (1.91%) Power BI
3 5 (1.19%) MySQL
4 4 (0.95%) Azure SQL Database
5 3 (0.72%) Amazon RDS
6 2 (0.48%) Data Lake
6 2 (0.48%) Metadata
6 2 (0.48%) MongoDB
6 2 (0.48%) PostgreSQL
7 1 (0.24%) NoSQL
7 1 (0.24%) Relational Database
Development Applications
1 11 (2.63%) Git
2 7 (1.67%) Chocolatey
3 6 (1.43%) Jenkins
4 5 (1.19%) GitLab
5 4 (0.95%) JIRA
5 4 (0.95%) Sonatype Nexus
5 4 (0.95%) TeamCity
6 2 (0.48%) Jaeger
6 2 (0.48%) MLflow
7 1 (0.24%) Burp Suite
General
1 123 (29.36%) Finance
1 123 (29.36%) Social Skills
2 45 (10.74%) Analytical Skills
3 32 (7.64%) Banking
4 23 (5.49%) Telecoms
5 15 (3.58%) Documentation Skills
6 14 (3.34%) Law
6 14 (3.34%) Legal
7 10 (2.39%) Financial Institution
8 9 (2.15%) Manufacturing
8 9 (2.15%) Retail
9 8 (1.91%) Influencing Skills
10 7 (1.67%) Inclusion and Diversity
10 7 (1.67%) Marketing
11 6 (1.43%) Organisational Skills
11 6 (1.43%) Public Sector
12 4 (0.95%) Advertising
12 4 (0.95%) Aviation
12 4 (0.95%) Billing
12 4 (0.95%) Japanese Language
Job Titles
1 104 (24.82%) Network Engineer
2 67 (15.99%) Senior
3 64 (15.27%) Analyst
4 63 (15.04%) Infrastructure Engineer
5 52 (12.41%) Support Engineer
6 44 (10.50%) IT Support
7 43 (10.26%) IT Engineer
8 38 (9.07%) Cloud Engineer
9 35 (8.35%) Azure Engineer
10 29 (6.92%) Cisco Engineer
11 28 (6.68%) Support Analyst
12 25 (5.97%) IT Support Engineer
12 25 (5.97%) Security Analyst
13 24 (5.73%) Cisco Network Engineer
14 22 (5.25%) IT Analyst
14 22 (5.25%) Security Engineer
15 20 (4.77%) Platform Engineer
16 19 (4.53%) Senior Infrastructure Engineer
16 19 (4.53%) Senior Network Engineer
17 18 (4.30%) AWS Engineer
Libraries, Frameworks & Software Standards
1 10 (2.39%) ADO
1 10 (2.39%) OAuth
1 10 (2.39%) SAML
1 10 (2.39%) YAML
2 7 (1.67%) .NET
3 4 (0.95%) RESTful
4 3 (0.72%) 802.1X
4 3 (0.72%) Microsoft Graph
5 2 (0.48%) AWS SAM
5 2 (0.48%) Elastic Stack
5 2 (0.48%) FastAPI
5 2 (0.48%) FIX Protocol
5 2 (0.48%) Kafka
5 2 (0.48%) Keycloak
5 2 (0.48%) WebRTC
6 1 (0.24%) REST
Miscellaneous
1 56 (13.37%) Data Centre
2 35 (8.35%) Management Information System
3 26 (6.21%) Hybrid Cloud
4 22 (5.25%) Cyber Threat
5 20 (4.77%) Cloud Native
6 19 (4.53%) Driving Licence
6 19 (4.53%) Onboarding
7 14 (3.34%) Security Posture
8 13 (3.10%) Enterprise Software
9 12 (2.86%) Self-Motivation
10 11 (2.63%) Foreign Exchange (FX)
11 9 (2.15%) PKI
11 9 (2.15%) Public Cloud
11 9 (2.15%) Virtual Team
12 8 (1.91%) IoT
13 7 (1.67%) Analytical Mindset
13 7 (1.67%) Private Cloud
14 6 (1.43%) Cyber Security Posture
14 6 (1.43%) Legacy Applications
14 6 (1.43%) Security Operations Centre
Operating Systems
1 139 (33.17%) Windows
2 71 (16.95%) Linux
3 64 (15.27%) Windows Server
4 24 (5.73%) VMS
5 18 (4.30%) Windows 10
6 16 (3.82%) Windows Server 2019
7 15 (3.58%) Mac OS
8 14 (3.34%) Unix
9 13 (3.10%) Ubuntu
10 11 (2.63%) Windows Server 2016
11 9 (2.15%) Red Hat Enterprise Linux
12 8 (1.91%) CentOS
13 4 (0.95%) Mac OS X
14 3 (0.72%) Android
15 2 (0.48%) Apple iOS
15 2 (0.48%) Debian
15 2 (0.48%) Kali Linux
15 2 (0.48%) Solaris
16 1 (0.24%) Windows Server 2012
Processes & Methodologies
1 97 (23.15%) Cybersecurity
2 89 (21.24%) Problem-Solving
3 85 (20.29%) Incident Response
4 73 (17.42%) Infrastructure Engineering
5 67 (15.99%) Disaster Recovery
6 65 (15.51%) SIEM
7 59 (14.08%) Infrastructure as Code
8 53 (12.65%) Computer Science
9 49 (11.69%) Migration
10 48 (11.46%) Zero Trust
11 47 (11.22%) DevOps
11 47 (11.22%) ITIL
12 45 (10.74%) Cloud Security
13 44 (10.50%) Information Security
14 41 (9.79%) Security Operations
15 40 (9.55%) Continuous Improvement
15 40 (9.55%) Customer Service
16 36 (8.59%) High Availability
17 35 (8.35%) CI/CD
18 34 (8.11%) Kalman Filter
Programming Languages
1 79 (18.85%) PowerShell
2 71 (16.95%) Python
3 26 (6.21%) Bash
4 20 (4.77%) SQL
5 13 (3.10%) Bicep
5 13 (3.10%) Kusto Query Language
6 6 (1.43%) Go
7 4 (0.95%) Java
8 2 (0.48%) JavaScript
8 2 (0.48%) Shell Script
9 1 (0.24%) C#
9 1 (0.24%) VB.NET
Qualifications
1 85 (20.29%) Cisco Certification
2 83 (19.81%) Degree
3 66 (15.75%) CCNP
4 54 (12.89%) CISSP
5 38 (9.07%) CCNA
6 33 (7.88%) CCIE
7 31 (7.40%) Computer Science Degree
8 30 (7.16%) CISM
9 26 (6.21%) Azure Certification
10 21 (5.01%) Security Cleared
11 19 (4.53%) AWS Certification
11 19 (4.53%) Microsoft Certification
12 18 (4.30%) Network+ Certification
13 16 (3.82%) DBS Check
14 14 (3.34%) CCSE
15 13 (3.10%) CCSA
15 13 (3.10%) CompTIA Security+
16 12 (2.86%) HND
17 11 (2.63%) CISA
17 11 (2.63%) SC Cleared
Quality Assurance & Compliance
1 77 (18.38%) ISO/IEC 27001
2 50 (11.93%) GDPR
3 45 (10.74%) NIST
4 26 (6.21%) Cyber Essentials
5 20 (4.77%) PCI DSS
6 16 (3.82%) SOC 2
7 13 (3.10%) Cyber Essentials PLUS
8 8 (1.91%) SLA
9 6 (1.43%) GRC
10 4 (0.95%) PMO
11 3 (0.72%) Accessibility
11 3 (0.72%) ITGC
11 3 (0.72%) Sarbanes-Oxley
12 2 (0.48%) Basel III
12 2 (0.48%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 2 (0.48%) MiFID
13 1 (0.24%) HIPAA
13 1 (0.24%) NIST 800
13 1 (0.24%) QA
System Software
1 136 (32.46%) Active Directory
2 46 (10.98%) VMware Infrastructure
3 21 (5.01%) Virtual Machines
4 20 (4.77%) Firmware
5 19 (4.53%) Hyper-V
6 18 (4.30%) Docker
7 10 (2.39%) vSphere
8 8 (1.91%) Virtual Desktop
9 7 (1.67%) NFS
10 5 (1.19%) KVM
10 5 (1.19%) VMware ESXi
11 3 (0.72%) pfSense
11 3 (0.72%) XenApp
11 3 (0.72%) XenDesktop
12 2 (0.48%) EMC RecoverPoint
12 2 (0.48%) ProxySG
12 2 (0.48%) Squid
13 1 (0.24%) VMware Server
Systems Management
1 71 (16.95%) Terraform
2 58 (13.84%) Microsoft Intune
3 53 (12.65%) Ansible
4 38 (9.07%) Kubernetes
5 28 (6.68%) FortiGate
6 26 (6.21%) SCCM
7 11 (2.63%) CASB
8 10 (2.39%) Autotask
9 9 (2.15%) Grafana
9 9 (2.15%) Prometheus
10 8 (1.91%) Single Sign-On
11 7 (1.67%) Nessus
12 6 (1.43%) Argo
13 5 (1.19%) CSIRT
13 5 (1.19%) QRadar
13 5 (1.19%) SCOM
14 4 (0.95%) Docker Swarm
14 4 (0.95%) Istio
14 4 (0.95%) linkerd
14 4 (0.95%) Mesos
Vendors
1 157 (37.47%) Microsoft
2 141 (33.65%) Cisco
3 78 (18.62%) VMware
4 72 (17.18%) Palo Alto
5 60 (14.32%) Fortinet
6 53 (12.65%) CheckPoint
7 42 (10.02%) Meraki
8 33 (7.88%) Juniper
9 32 (7.64%) SolarWinds
10 19 (4.53%) Zscaler
11 15 (3.58%) Google
12 14 (3.34%) Dynatrace
12 14 (3.34%) F5
12 14 (3.34%) Splunk
13 13 (3.10%) Arista
14 11 (2.63%) Red Hat
15 10 (2.39%) AppDynamics
15 10 (2.39%) CrowdStrike
15 10 (2.39%) ServiceNow
16 9 (2.15%) Tenable