The following table provides summary statistics for permanent job vacancies advertised in Brentwood with a requirement for Firewall skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firewall over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Firewall
Essex / Brentwood
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 22 21 26
Rank change year-on-year -1 +5  
Permanent jobs citing Firewall 1 17 16
As % of all permanent IT jobs advertised in Brentwood 1.49% 8.33% 6.72%
As % of the Communications & Networking category 16.67% 53.13% 21.92%
Number of salaries quoted 0 8 13
Median salary - £58,750 £50,000
Median salary % change year-on-year - +17.50%  
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

Firewall is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Brentwood with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Brentwood
Permanent job vacancies with a requirement for communications and computer networking skills 6 32 73
As % of all permanent IT job vacancies advertised in Brentwood 8.96% 15.69% 30.67%
Number of salaries quoted 3 9 42
Median salary £45,000 £57,500 £50,000
Median salary % change year-on-year -21.73% +15.00%  
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

Firewall
Job Vacancy Trend in Brentwood

The job posting trend of jobs advertised in Brentwood citing Firewall as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for Firewall in Brentwood

Firewall
Salary Trend in Brentwood

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Firewall in Brentwood.

Salary trend for Firewall in Brentwood

For the 6 months to 30 March 2017, IT jobs citing Firewall also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Brentwood region with a requirement for Firewall.

1 16 (76.19%) Linux
2 14 (66.67%) Java
2 14 (66.67%) Oracle
2 14 (66.67%) SQL Server
2 14 (66.67%) SOAP
2 14 (66.67%) Apache
2 14 (66.67%) Windows
3 10 (47.62%) SOA
3 10 (47.62%) TCP/IP
3 10 (47.62%) Web Services
3 10 (47.62%) OOA/OOD
3 10 (47.62%) OO
3 10 (47.62%) J2EE
3 10 (47.62%) IBM HTTP Server
3 10 (47.62%) Enterprise Architecture
3 10 (47.62%) Oracle SOA Suite
4 8 (38.10%) LDAP
4 8 (38.10%) Internet
5 6 (28.57%) Performance Tuning
5 6 (28.57%) Red Hat Enterprise Linux
6 5 (23.81%) F5
6 5 (23.81%) DNS
6 5 (23.81%) CCNP
6 5 (23.81%) Cisco Certification
6 5 (23.81%) LAN
6 5 (23.81%) WAN
6 5 (23.81%) Python
7 4 (19.05%) Tomcat
7 4 (19.05%) SMTP
7 4 (19.05%) FTP

Firewall
Co-occurring IT Skills in Brentwood by Category

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

Application Platforms
1 14 (66.67%) Apache
2 10 (47.62%) IBM HTTP Server
2 10 (47.62%) Oracle SOA Suite
3 4 (19.05%) GlassFish
3 4 (19.05%) JBoss
3 4 (19.05%) Tomcat
Communications & Networking
1 10 (47.62%) TCP/IP
2 8 (38.10%) Internet
2 8 (38.10%) LDAP
3 5 (23.81%) DNS
3 5 (23.81%) LAN
3 5 (23.81%) WAN
4 4 (19.05%) BGP
4 4 (19.05%) EIGRP
4 4 (19.05%) Extranet
4 4 (19.05%) FTP
4 4 (19.05%) Intrusion Detection
4 4 (19.05%) IPsec
4 4 (19.05%) MPLS
4 4 (19.05%) Network Security
4 4 (19.05%) OpenLDAP
4 4 (19.05%) OSPF
4 4 (19.05%) SMTP
4 4 (19.05%) SSL
4 4 (19.05%) VoIP
4 4 (19.05%) VPN
Database & Business Intelligence
1 14 (66.67%) SQL Server
General
1 4 (19.05%) Finance
2 1 (4.76%) Banking
2 1 (4.76%) Retail
Job Titles
1 10 (47.62%) Architect
2 5 (23.81%) IT Architect
2 5 (23.81%) Network Engineer
2 5 (23.81%) Solutions Architect
2 5 (23.81%) Technical Architect
3 4 (19.05%) Analyst
3 4 (19.05%) Applications Support
3 4 (19.05%) Applications Support Analyst
3 4 (19.05%) Support Analyst
4 2 (9.52%) Administrator
4 2 (9.52%) Integration Analyst
4 2 (9.52%) Linux Administrator
4 2 (9.52%) Service Analyst
5 1 (4.76%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 14 (66.67%) SOAP
2 10 (47.62%) J2EE
2 10 (47.62%) Web Services
3 4 (19.05%) .NET
3 4 (19.05%) HTML
3 4 (19.05%) Middleware
3 4 (19.05%) XML
Miscellaneous
1 4 (19.05%) Data Centre
1 4 (19.05%) DataPower
1 4 (19.05%) Wiki
Operating Systems
1 16 (76.19%) Linux
2 14 (66.67%) Windows
3 6 (28.57%) Red Hat Enterprise Linux
4 4 (19.05%) Unix
Processes & Methodologies
1 10 (47.62%) Enterprise Architecture
1 10 (47.62%) OO
1 10 (47.62%) OOA/OOD
1 10 (47.62%) SOA
2 6 (28.57%) Performance Tuning
3 4 (19.05%) BCP
3 4 (19.05%) Change Control
3 4 (19.05%) Configuration Management
3 4 (19.05%) Incident Management
3 4 (19.05%) Load Balancing
3 4 (19.05%) Root Cause Analysis
3 4 (19.05%) Security Auditing
4 2 (9.52%) Server Patching
5 1 (4.76%) ITIL
5 1 (4.76%) Mentoring
5 1 (4.76%) Project Planning
Programming Languages
1 14 (66.67%) Java
2 5 (23.81%) Python
3 4 (19.05%) PowerShell
3 4 (19.05%) SQL
4 2 (9.52%) AWK
4 2 (9.52%) Bash Shell
4 2 (9.52%) Korn
4 2 (9.52%) Perl
4 2 (9.52%) Shell Script
5 1 (4.76%) VBA
Qualifications
1 5 (23.81%) CCNP
1 5 (23.81%) Cisco Certification
2 4 (19.05%) Degree
2 4 (19.05%) JNCIP
3 2 (9.52%) RHCE
Quality Assurance & Compliance
1 2 (9.52%) SLA
Systems Management
1 4 (19.05%) Nagios
1 4 (19.05%) Opsview
2 2 (9.52%) Red Hat Satellite
2 2 (9.52%) Red Hat Spacewalk
Vendors
1 14 (66.67%) Oracle
2 5 (23.81%) F5
3 4 (19.05%) Cisco
3 4 (19.05%) IBM
3 4 (19.05%) Juniper
3 4 (19.05%) Splunk
4 2 (9.52%) Red Hat
5 1 (4.76%) Palo Alto