Firewall Jobs in Croydon

Firewall
South London > Croydon

The table below provides summary statistics for permanent job vacancies advertised in Croydon requiring Firewall skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Firewall over the 6 months leading up to 14 July 2025, comparing them to the same period in the previous two years.

6 months to
14 Jul 2025
Same period 2024 Same period 2023
Rank 35 34 30
Rank change year-on-year -1 -4 +23
Permanent jobs citing Firewall 7 5 9
As % of all permanent jobs advertised in Croydon 4.43% 2.84% 4.79%
As % of the Communications & Networking category 14.00% 22.73% 27.27%
Number of salaries quoted 2 5 7
10th Percentile £68,875 - £51,500
25th Percentile £69,063 £23,000 £52,500
Median annual salary (50th Percentile) £73,750 £26,000 £55,000
Median % change year-on-year +183.65% -52.73% +24.87%
75th Percentile £79,063 £29,000 £58,250
90th Percentile £79,625 £45,050 £62,900
South London median annual salary £48,750 £40,000 £55,000
% change year-on-year +21.88% -27.27% +24.87%

All Communications and Computer Networking Skills
Croydon

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 Croydon.

Permanent vacancies with a requirement for communications or computer networking skills 50 22 33
As % of all permanent jobs advertised in Croydon 31.65% 12.50% 17.55%
Number of salaries quoted 3 14 28
10th Percentile £37,750 £23,000 £31,300
25th Percentile £49,375 £24,250 £45,663
Median annual salary (50th Percentile) £72,500 £28,001 £55,000
Median % change year-on-year +158.92% -49.09% +24.87%
75th Percentile £78,125 £59,188 £65,000
90th Percentile £79,250 £65,175 £76,500
South London median annual salary £48,750 £42,500 £41,619
% change year-on-year +14.71% +2.12% +24.24%

Firewall
Job Vacancy Trend in Croydon

Job postings citing Firewall as a proportion of all IT jobs advertised in Croydon.

Job vacancy trend for Firewall in Croydon

Firewall
Salary Trend in Croydon

3-month moving average salary quoted in jobs citing Firewall in Croydon.

Salary trend for Firewall in Croydon

Firewall
Co-occurring Skills and Capabilities in Croydon by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (14.29%) Confluence
Applications
1 4 (57.14%) Mozilla Thunderbird
Cloud Services
1 5 (71.43%) AWS
2 4 (57.14%) Amazon ECS
2 4 (57.14%) Amazon GuardDuty
2 4 (57.14%) Amazon S3
2 4 (57.14%) AWS KMS
2 4 (57.14%) AWS Lambda
2 4 (57.14%) Serverless
2 4 (57.14%) Virtual Private Cloud
3 2 (28.57%) Azure
3 2 (28.57%) Azure Data Factory
3 2 (28.57%) Azure Monitor
3 2 (28.57%) Azure Sentinel
3 2 (28.57%) Cloud Computing
3 2 (28.57%) Entra ID
3 2 (28.57%) IaaS
3 2 (28.57%) Microsoft 365
3 2 (28.57%) Microsoft Purview
3 2 (28.57%) PaaS
Communications & Networking
1 5 (71.43%) SSL
2 3 (42.86%) SAN
3 2 (28.57%) NAS
3 2 (28.57%) SD-WAN
3 2 (28.57%) VPN
3 2 (28.57%) WAN
4 1 (14.29%) DHCP
4 1 (14.29%) DNS
4 1 (14.29%) HTTP
4 1 (14.29%) OpenLDAP
4 1 (14.29%) VLAN
Development Applications
1 5 (71.43%) Jenkins
2 4 (57.14%) Bitbucket Server
3 1 (14.29%) Git
3 1 (14.29%) JIRA
3 1 (14.29%) Maven
3 1 (14.29%) Sonatype Nexus
General
1 2 (28.57%) Legal
Job Titles
1 5 (71.43%) DevOps Engineer
2 3 (42.86%) Infrastructure Engineer
3 2 (28.57%) Security Engineer
4 1 (14.29%) Azure Engineer
4 1 (14.29%) Azure Security Engineer
4 1 (14.29%) Cloud Engineer
4 1 (14.29%) Cloud Security Engineer
4 1 (14.29%) DevOps Systems Engineer
4 1 (14.29%) Infrastructure Security Engineer
4 1 (14.29%) Linux DevOps Engineer
4 1 (14.29%) Linux Engineer
4 1 (14.29%) Linux Systems Engineer
4 1 (14.29%) Linux/Unix DevOps
4 1 (14.29%) Systems Engineer
Libraries, Frameworks & Software Standards
1 1 (14.29%) LDAP
1 1 (14.29%) YAML
Miscellaneous
1 2 (28.57%) PKI
1 2 (28.57%) Replication
Operating Systems
1 5 (71.43%) Linux
1 5 (71.43%) Ubuntu
2 3 (42.86%) Windows
3 2 (28.57%) Windows Server
3 2 (28.57%) Windows Server 2019
4 1 (14.29%) CentOS
4 1 (14.29%) Debian
Processes & Methodologies
1 5 (71.43%) Agile
1 5 (71.43%) Capacity Management
1 5 (71.43%) DevOps
1 5 (71.43%) Infrastructure Engineering
1 5 (71.43%) Patch Management
2 4 (57.14%) Key Management
3 2 (28.57%) Analytics
3 2 (28.57%) Business Continuity Planning
3 2 (28.57%) Cloud Security
3 2 (28.57%) Compliance Management
3 2 (28.57%) Cybersecurity
3 2 (28.57%) Data Loss Prevention
3 2 (28.57%) Incident Response
3 2 (28.57%) Infrastructure as Code
3 2 (28.57%) Log Analytics
3 2 (28.57%) Machine Learning
3 2 (28.57%) Mentoring
3 2 (28.57%) SOAR
3 2 (28.57%) Technical Leadership
3 2 (28.57%) Zero Trust
Programming Languages
1 5 (71.43%) Python
1 5 (71.43%) Shell Script
2 2 (28.57%) PowerShell
Qualifications
1 5 (71.43%) Security Cleared
2 3 (42.86%) SC Cleared
Quality Assurance & Compliance
1 2 (28.57%) Cyber Essentials
1 2 (28.57%) Cyber Essentials PLUS
1 2 (28.57%) GDPR
1 2 (28.57%) ISO/IEC 27001
1 2 (28.57%) NIST
System Software
1 6 (85.71%) Active Directory
2 5 (71.43%) Docker
3 4 (57.14%) Virtual Desktop
3 4 (57.14%) Virtual Machines
4 2 (28.57%) Hyper-V
4 2 (28.57%) VMware Infrastructure
Systems Management
1 6 (85.71%) Terraform
2 5 (71.43%) Nessus
3 4 (57.14%) Ansible
3 4 (57.14%) Proxmox
4 2 (28.57%) Microsoft Intune
5 1 (14.29%) Puppet
Vendors
1 4 (57.14%) Juniper
2 3 (42.86%) VMware
3 2 (28.57%) Cisco
3 2 (28.57%) Dell
3 2 (28.57%) EMC
3 2 (28.57%) Microsoft
3 2 (28.57%) Palo Alto
3 2 (28.57%) SonicWALL
4 1 (14.29%) Sophos