The following table provides summary statistics for permanent job vacancies advertised in Chelmsford 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 24 June 2017 with a comparison to the same period in the previous 2 years.

Firewall
Essex / Chelmsford
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 36 23 30
Rank change year-on-year -13 +7  
Permanent jobs citing Firewall 4 1 1
As % of all permanent IT jobs advertised in Chelmsford 2.12% 0.73% 0.58%
As % of the Communications & Networking category 15.38% 10.00% 8.33%
Number of salaries quoted 3 1 1
Median salary £31,000 £28,000 £47,500
Median salary % change year-on-year +10.71% -41.05%  
UK excluding London median salary £42,500 £42,000 £42,000
% change year-on-year +1.19% -  

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 Chelmsford with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Chelmsford
Permanent job vacancies with a requirement for communications and computer networking skills 26 10 12
As % of all permanent IT job vacancies advertised in Chelmsford 13.76% 7.30% 7.02%
Number of salaries quoted 25 7 11
Median salary £47,000 £25,000 £61,000
Median salary % change year-on-year +88.00% -59.01%  
90% offered a salary of more than £18,500 £23,000 £47,500
10% offered a salary of more than £50,000 £80,000 £29,300
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

Firewall
Job Vacancy Trend in Chelmsford

The job posting trend of jobs advertised in Chelmsford 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 Chelmsford

Firewall
Salary Trend in Chelmsford

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

Salary trend for Firewall in Chelmsford

For the 6 months to 24 June 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 Chelmsford region with a requirement for Firewall.

1 4 (80.00%) Windows
2 3 (60.00%) Linux
2 3 (60.00%) Cisco
2 3 (60.00%) Active Directory
2 3 (60.00%) Windows Server
3 2 (40.00%) TCP/IP
3 2 (40.00%) Windows 10
3 2 (40.00%) Office 365
3 2 (40.00%) SonicWALL
3 2 (40.00%) Hyper-V
3 2 (40.00%) ITIL
3 2 (40.00%) Windows XP
3 2 (40.00%) Microsoft
3 2 (40.00%) VMware
4 1 (20.00%) IP Telephony
4 1 (20.00%) MCITP
4 1 (20.00%) Project Planning
4 1 (20.00%) Cisco IPT
4 1 (20.00%) SharePoint
4 1 (20.00%) CCIE
4 1 (20.00%) CCSP
4 1 (20.00%) CCNP
4 1 (20.00%) CCNA
4 1 (20.00%) MS Exchange
4 1 (20.00%) LAN
4 1 (20.00%) WAN
4 1 (20.00%) MCP
4 1 (20.00%) Unix
4 1 (20.00%) SQL
4 1 (20.00%) Microsoft Office

Firewall
Co-occurring IT Skills in Chelmsford 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 1 (20.00%) MS Exchange
1 1 (20.00%) SharePoint
Applications
1 1 (20.00%) Microsoft Office
Cloud Services
1 2 (40.00%) Office 365
2 1 (20.00%) Microsoft Azure
Communications & Networking
1 2 (40.00%) TCP/IP
2 1 (20.00%) Cisco IPT
2 1 (20.00%) IP Telephony
2 1 (20.00%) LAN
2 1 (20.00%) Unified Communications
2 1 (20.00%) WAN
2 1 (20.00%) Wireless
Job Titles
1 2 (40.00%) 3rd Line Engineer
1 2 (40.00%) 3rd Line Support
1 2 (40.00%) 3rd Line Support Engineer
1 2 (40.00%) Network Engineer
1 2 (40.00%) Support Engineer
2 1 (20.00%) 1st Line Support
2 1 (20.00%) 1st Line Support Technician
2 1 (20.00%) Cisco Engineer
2 1 (20.00%) Cisco Network Engineer
2 1 (20.00%) Desktop Support
2 1 (20.00%) Desktop Support Technician
2 1 (20.00%) Desktop Technician
2 1 (20.00%) IT Support
2 1 (20.00%) IT Support Technician
2 1 (20.00%) IT Technician
2 1 (20.00%) Senior Network Engineer
2 1 (20.00%) Support Technician
Miscellaneous
1 1 (20.00%) Data Centre
Operating Systems
1 4 (80.00%) Windows
2 3 (60.00%) Linux
2 3 (60.00%) Windows Server
3 2 (40.00%) Windows 10
3 2 (40.00%) Windows XP
4 1 (20.00%) Unix
4 1 (20.00%) Windows 7
Processes & Methodologies
1 2 (40.00%) ITIL
2 1 (20.00%) Project Planning
Programming Languages
1 1 (20.00%) SQL
Qualifications
1 1 (20.00%) CCIE
1 1 (20.00%) CCIE Service Provider
1 1 (20.00%) CCNA
1 1 (20.00%) CCNP
1 1 (20.00%) CCSP
1 1 (20.00%) Cisco Certification
1 1 (20.00%) MCITP
1 1 (20.00%) MCP
1 1 (20.00%) Microsoft Certification
System Software
1 3 (60.00%) Active Directory
2 2 (40.00%) Hyper-V
3 1 (20.00%) VMware Infrastructure
Systems Management
1 1 (20.00%) MAILsweeper
Vendors
1 3 (60.00%) Cisco
2 2 (40.00%) Microsoft
2 2 (40.00%) SonicWALL
2 2 (40.00%) VMware
3 1 (20.00%) CheckPoint
3 1 (20.00%) Citrix
3 1 (20.00%) Dell