Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for WAN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WAN over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

Wide Area Network (WAN)
Hertfordshire > Welwyn Garden City
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 22 14 33
Rank change year-on-year -8 +19 -
Permanent jobs citing WAN 21 26 6
As % of all permanent IT jobs advertised in Welwyn Garden City 10.00% 11.98% 2.59%
As % of the Communications & Networking category 29.17% 52.00% 8.70%
Number of salaries quoted 18 28 4
Welwyn Garden City median annual salary £32,000 £55,000 £32,500
Median salary % change year-on-year -41.82% +69.23% -
Hertfordshire median annual salary £50,000 £45,000 £40,000
% change year-on-year +11.11% +12.50% -5.88%

WAN 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 72 50 69
As % of all permanent IT jobs advertised in Welwyn Garden City 34.29% 23.04% 29.74%
Number of salaries quoted 64 43 30
Welwyn Garden City median annual salary £32,000 £47,500 £47,500
Median salary % change year-on-year -32.63% - +39.71%
10th Percentile £31,825 £30,650 £31,250
90th Percentile £41,250 £60,000 £53,125
Hertfordshire median annual salary £45,000 £45,000 £45,000

WAN
Job Vacancy Trend in Welwyn Garden City

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

Job vacancy trend for WAN in Welwyn Garden City

WAN
Salary Trend in Welwyn Garden City

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

Salary trend for WAN in Welwyn Garden City

WAN
Salary Histogram in Welwyn Garden City

The salary distribution of IT jobs citing WAN in Welwyn Garden City over the 6 months to 18 November 2017.

Salary histogram for WAN in Welwyn Garden City

For the 6 months to 18 November 2017, IT jobs citing WAN 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 WAN.

1 21 (100.00%) LAN
2 20 (95.24%) DHCP
2 20 (95.24%) HTTP
2 20 (95.24%) VPN
2 20 (95.24%) DNS
2 20 (95.24%) HTTPS
2 20 (95.24%) OSPF
2 20 (95.24%) BGP
2 20 (95.24%) Firewall
2 20 (95.24%) Finance
3 18 (85.71%) CMS
3 18 (85.71%) Data Security
3 18 (85.71%) Telnet
3 18 (85.71%) Intrusion Detection
3 18 (85.71%) VLAN
3 18 (85.71%) Degree
3 18 (85.71%) Wireshark
3 18 (85.71%) TCP/IP
3 18 (85.71%) SLA
3 18 (85.71%) FTP
3 18 (85.71%) POSIX
3 18 (85.71%) tcpdump
3 18 (85.71%) HSRP
3 18 (85.71%) Xerox
3 18 (85.71%) Data Encryption
3 18 (85.71%) Network Optimisation
4 17 (80.95%) Military
4 17 (80.95%) Document Management
4 17 (80.95%) Management Information System
4 17 (80.95%) Back Office

WAN
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 (85.71%) CMS
Applications
1 1 (4.76%) Microsoft Office
Cloud Services
1 2 (9.52%) Akamai
Communications & Networking
1 21 (100.00%) LAN
2 20 (95.24%) BGP
2 20 (95.24%) DHCP
2 20 (95.24%) DNS
2 20 (95.24%) Firewall
2 20 (95.24%) HTTP
2 20 (95.24%) HTTPS
2 20 (95.24%) OSPF
2 20 (95.24%) VPN
3 18 (85.71%) FTP
3 18 (85.71%) HSRP
3 18 (85.71%) Intrusion Detection
3 18 (85.71%) TCP/IP
3 18 (85.71%) tcpdump
3 18 (85.71%) Telnet
3 18 (85.71%) VLAN
3 18 (85.71%) Wireshark
4 2 (9.52%) EIGRP
4 2 (9.52%) IGRP
4 2 (9.52%) SNMP
Development Applications
1 2 (9.52%) Git (software)
General
1 20 (95.24%) Finance
2 17 (80.95%) Back Office
2 17 (80.95%) Military
Job Titles
1 18 (85.71%) Administrator
1 18 (85.71%) IT Administrator
1 18 (85.71%) Network Administrator
2 2 (9.52%) Network Systems Engineer
2 2 (9.52%) Senior Systems Engineer
2 2 (9.52%) Systems Engineer
3 1 (4.76%) Desktop Support
3 1 (4.76%) Desktop Support Technician
3 1 (4.76%) Desktop Technician
3 1 (4.76%) Support Technician
Libraries, Frameworks & Software Standards
1 18 (85.71%) POSIX
2 2 (9.52%) 802.1X
2 2 (9.52%) HTML
2 2 (9.52%) XML
Miscellaneous
1 17 (80.95%) Management Information System
2 2 (9.52%) Analytical Skills
2 2 (9.52%) Data Centre
2 2 (9.52%) Public Cloud
3 1 (4.76%) PDA
Operating Systems
1 2 (9.52%) Linux
1 2 (9.52%) Unix
2 1 (4.76%) Windows
2 1 (4.76%) Windows 10
2 1 (4.76%) Windows 7
Processes & Methodologies
1 18 (85.71%) Data Encryption
1 18 (85.71%) Data Security
1 18 (85.71%) Network Optimisation
2 17 (80.95%) Document Management
3 2 (9.52%) DevOps
3 2 (9.52%) Load Balancing
3 2 (9.52%) Mentoring
3 2 (9.52%) Multi-Factor Authentication
3 2 (9.52%) Network Management
3 2 (9.52%) Software Engineering
3 2 (9.52%) The Twelve-Factor App
3 2 (9.52%) Two-Factor Authentication
3 2 (9.52%) WAN Optimisation
Programming Languages
1 2 (9.52%) PowerShell
1 2 (9.52%) Python
2 1 (4.76%) C
Qualifications
1 18 (85.71%) Degree
2 2 (9.52%) CCNP
2 2 (9.52%) Cisco Certification
Quality Assurance & Compliance
1 18 (85.71%) SLA
System Software
1 2 (9.52%) VMware NSX
Systems Management
1 2 (9.52%) Opscode Chef
1 2 (9.52%) Puppet
1 2 (9.52%) vCenter Server
1 2 (9.52%) vRealize
Vendors
1 18 (85.71%) Xerox
2 2 (9.52%) Arista
2 2 (9.52%) Aruba
2 2 (9.52%) Blue Coat
2 2 (9.52%) CheckPoint
2 2 (9.52%) Cisco
2 2 (9.52%) Citrix
2 2 (9.52%) F5
2 2 (9.52%) Fortinet
2 2 (9.52%) Juniper
2 2 (9.52%) Meraki
2 2 (9.52%) Palo Alto
2 2 (9.52%) Riverbed
2 2 (9.52%) Tufin
2 2 (9.52%) VMware
3 1 (4.76%) Microsoft