Period
to 17 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for Firewall skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firewall over the 6 months to 17 November 2017 with a comparison to the same period in the previous 2 years.

Firewall
Hertfordshire > Welwyn Garden City
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 21 12 22
Rank change year-on-year -9 +10 +15
Permanent jobs citing Firewall 24 27 17
As % of all permanent IT jobs advertised in Welwyn Garden City 11.32% 12.39% 7.33%
As % of the Communications & Networking category 32.88% 52.94% 24.64%
Number of salaries quoted 21 27 11
Welwyn Garden City median annual salary £32,000 £55,000 £47,500
Median salary % change year-on-year -41.82% +15.79% -5.00%
10th Percentile £31,750 £31,500 £46,250
90th Percentile £35,250 £60,000 £58,750
Hertfordshire median annual salary £47,500 £50,000 £45,000
% change year-on-year -5.00% +11.11% +5.88%

Firewall is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Welwyn Garden City with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Welwyn Garden City
Permanent vacancies with a requirement for communications or computer networking skills 73 51 69
As % of all permanent IT jobs advertised in Welwyn Garden City 34.43% 23.39% 29.74%
Number of salaries quoted 65 43 30
Welwyn Garden City median annual salary £32,000 £47,500 £47,500
Median salary % change year-on-year -32.63% - +33.80%
10th Percentile £31,850 £30,650 £31,250
90th Percentile £41,250 £60,000 £53,125
Hertfordshire median annual salary £45,000 £45,000 £45,000

Firewall
Job Vacancy Trend in Welwyn Garden City

Job postings citing Firewall as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for Firewall in Welwyn Garden City

Firewall
Salary Trend in Welwyn Garden City

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

Salary trend for Firewall in Welwyn Garden City

For the 6 months to 17 November 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 Welwyn Garden City region with a requirement for Firewall.

1 20 (83.33%) LAN
1 20 (83.33%) WAN
1 20 (83.33%) DHCP
1 20 (83.33%) HTTP
1 20 (83.33%) VPN
1 20 (83.33%) DNS
1 20 (83.33%) HTTPS
1 20 (83.33%) OSPF
1 20 (83.33%) BGP
1 20 (83.33%) Finance
2 18 (75.00%) CMS
2 18 (75.00%) Data Security
2 18 (75.00%) Telnet
2 18 (75.00%) Intrusion Detection
2 18 (75.00%) VLAN
2 18 (75.00%) Wireshark
2 18 (75.00%) TCP/IP
2 18 (75.00%) SLA
2 18 (75.00%) FTP
2 18 (75.00%) POSIX
2 18 (75.00%) Degree
2 18 (75.00%) tcpdump
2 18 (75.00%) HSRP
2 18 (75.00%) Xerox
2 18 (75.00%) Data Encryption
2 18 (75.00%) Network Optimisation
3 17 (70.83%) Document Management
3 17 (70.83%) Back Office
3 17 (70.83%) Management Information System
3 17 (70.83%) Military

Firewall
Co-occurring IT Skills in Welwyn Garden City 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 18 (75.00%) CMS
2 4 (16.67%) MS Exchange
Applications
1 4 (16.67%) Microsoft Office
Cloud Services
1 4 (16.67%) Office 365
2 2 (8.33%) Akamai
Communications & Networking
1 20 (83.33%) BGP
1 20 (83.33%) DHCP
1 20 (83.33%) DNS
1 20 (83.33%) HTTP
1 20 (83.33%) HTTPS
1 20 (83.33%) LAN
1 20 (83.33%) OSPF
1 20 (83.33%) VPN
1 20 (83.33%) WAN
2 18 (75.00%) FTP
2 18 (75.00%) HSRP
2 18 (75.00%) Intrusion Detection
2 18 (75.00%) TCP/IP
2 18 (75.00%) tcpdump
2 18 (75.00%) Telnet
2 18 (75.00%) VLAN
2 18 (75.00%) Wireshark
3 2 (8.33%) Cisco ASA
3 2 (8.33%) GLBP
3 2 (8.33%) Multicast
Development Applications
1 2 (8.33%) Git (software)
General
1 20 (83.33%) Finance
2 17 (70.83%) Back Office
2 17 (70.83%) Military
3 4 (16.67%) Law
Job Titles
1 18 (75.00%) Administrator
1 18 (75.00%) IT Administrator
1 18 (75.00%) Network Administrator
2 4 (16.67%) IT Engineer
2 4 (16.67%) IT Support
2 4 (16.67%) IT Support Engineer
2 4 (16.67%) Support Engineer
3 2 (8.33%) Network Systems Engineer
3 2 (8.33%) Senior Systems Engineer
3 2 (8.33%) Systems Engineer
4 1 (4.17%) Cybersecurity Engineer
4 1 (4.17%) Information Security Engineer
4 1 (4.17%) IT Security Engineer
4 1 (4.17%) Security Engineer
4 1 (4.17%) Security Support Engineer
Libraries, Frameworks & Software Standards
1 18 (75.00%) POSIX
2 2 (8.33%) 802.1X
2 2 (8.33%) HTML
2 2 (8.33%) XML
Miscellaneous
1 17 (70.83%) Management Information System
2 2 (8.33%) Analytical Skills
2 2 (8.33%) Data Centre
2 2 (8.33%) Public Cloud
Operating Systems
1 6 (25.00%) Linux
2 4 (16.67%) Kali Linux
2 4 (16.67%) Mac OS X
2 4 (16.67%) Windows
3 2 (8.33%) Unix
Processes & Methodologies
1 18 (75.00%) Data Encryption
1 18 (75.00%) Data Security
1 18 (75.00%) Network Optimisation
2 17 (70.83%) Document Management
3 6 (25.00%) Mentoring
3 6 (25.00%) Multi-Factor Authentication
3 6 (25.00%) Two-Factor Authentication
4 4 (16.67%) Cybersecurity
4 4 (16.67%) Ethical Hacking
4 4 (16.67%) Migration
4 4 (16.67%) Mobile Device Management
4 4 (16.67%) Open Source
4 4 (16.67%) OSINT
5 2 (8.33%) DevOps
5 2 (8.33%) Load Balancing
5 2 (8.33%) Network Management
5 2 (8.33%) Software Engineering
5 2 (8.33%) The Twelve-Factor App
5 2 (8.33%) WAN Optimisation
Programming Languages
1 2 (8.33%) PowerShell
1 2 (8.33%) Python
Qualifications
1 18 (75.00%) Degree
2 2 (8.33%) CCNP
2 2 (8.33%) Cisco Certification
Quality Assurance & Compliance
1 18 (75.00%) SLA
System Software
1 2 (8.33%) VMware NSX
Systems Management
1 2 (8.33%) Opscode Chef
1 2 (8.33%) Puppet
1 2 (8.33%) vCenter Server
1 2 (8.33%) vRealize
Vendors
1 18 (75.00%) Xerox
2 4 (16.67%) Apple
2 4 (16.67%) Facebook
2 4 (16.67%) Microsoft
3 2 (8.33%) Arista
3 2 (8.33%) Aruba
3 2 (8.33%) Blue Coat
3 2 (8.33%) CheckPoint
3 2 (8.33%) Cisco
3 2 (8.33%) Citrix
3 2 (8.33%) F5
3 2 (8.33%) Fortinet
3 2 (8.33%) Juniper
3 2 (8.33%) Meraki
3 2 (8.33%) Palo Alto
3 2 (8.33%) Riverbed
3 2 (8.33%) Tufin
3 2 (8.33%) VMware