Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for LAN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited LAN over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Local Area Network (LAN)
Hertfordshire > Welwyn Garden City
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 25 14 30
Rank change year-on-year -11 +16 -
Permanent jobs citing LAN 21 26 7
As % of all permanent IT jobs advertised in Welwyn Garden City 9.33% 12.04% 3.04%
As % of the Communications & Networking category 28.38% 52.00% 10.45%
Number of salaries quoted 17 28 5
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 £37,500
% change year-on-year +11.11% +20.00% -11.76%

LAN 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 74 50 67
As % of all permanent IT jobs advertised in Welwyn Garden City 32.89% 23.15% 29.13%
Number of salaries quoted 64 43 29
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 £42,500 £60,000 £53,750
Hertfordshire median annual salary £45,000 £45,000 £45,000

LAN
Job Vacancy Trend in Welwyn Garden City

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

Job vacancy trend for LAN in Welwyn Garden City

LAN
Salary Trend in Welwyn Garden City

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

Salary trend for LAN in Welwyn Garden City

LAN
Salary Histogram in Welwyn Garden City

The salary distribution of IT jobs citing LAN in Welwyn Garden City over the 6 months to 20 November 2017.

Salary histogram for LAN in Welwyn Garden City

For the 6 months to 20 November 2017, IT jobs citing LAN 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 LAN.

1 21 (100.00%) WAN
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 17 (80.95%) CMS
3 17 (80.95%) Data Security
3 17 (80.95%) TCP/IP
3 17 (80.95%) Degree
3 17 (80.95%) Wireshark
3 17 (80.95%) Intrusion Detection
3 17 (80.95%) VLAN
3 17 (80.95%) SLA
3 17 (80.95%) Telnet
3 17 (80.95%) FTP
3 17 (80.95%) POSIX
3 17 (80.95%) tcpdump
3 17 (80.95%) HSRP
3 17 (80.95%) Xerox
3 17 (80.95%) Data Encryption
3 17 (80.95%) Network Optimisation
4 16 (76.19%) Document Management
4 16 (76.19%) Management Information System
4 16 (76.19%) Military
4 16 (76.19%) Back Office

LAN
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 17 (80.95%) CMS
Applications
1 1 (4.76%) Microsoft Office
Cloud Services
1 3 (14.29%) Akamai
Communications & Networking
1 21 (100.00%) WAN
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 17 (80.95%) FTP
3 17 (80.95%) HSRP
3 17 (80.95%) Intrusion Detection
3 17 (80.95%) TCP/IP
3 17 (80.95%) tcpdump
3 17 (80.95%) Telnet
3 17 (80.95%) VLAN
3 17 (80.95%) Wireshark
4 3 (14.29%) DMVPN
4 3 (14.29%) GLBP
4 3 (14.29%) Multicast
Development Applications
1 3 (14.29%) Git (software)
General
1 20 (95.24%) Finance
2 16 (76.19%) Back Office
2 16 (76.19%) Military
Job Titles
1 17 (80.95%) Administrator
1 17 (80.95%) IT Administrator
1 17 (80.95%) Network Administrator
2 3 (14.29%) Network Systems Engineer
2 3 (14.29%) Senior Systems Engineer
2 3 (14.29%) 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 17 (80.95%) POSIX
2 3 (14.29%) 802.1X
2 3 (14.29%) HTML
2 3 (14.29%) XML
Miscellaneous
1 16 (76.19%) Management Information System
2 3 (14.29%) Analytical Skills
2 3 (14.29%) Data Centre
2 3 (14.29%) Public Cloud
3 1 (4.76%) PDA
Operating Systems
1 3 (14.29%) Linux
1 3 (14.29%) Unix
2 1 (4.76%) Windows
2 1 (4.76%) Windows 10
2 1 (4.76%) Windows 7
Processes & Methodologies
1 17 (80.95%) Data Encryption
1 17 (80.95%) Data Security
1 17 (80.95%) Network Optimisation
2 16 (76.19%) Document Management
3 3 (14.29%) DevOps
3 3 (14.29%) Load Balancing
3 3 (14.29%) Mentoring
3 3 (14.29%) Multi-Factor Authentication
3 3 (14.29%) Network Management
3 3 (14.29%) Software Engineering
3 3 (14.29%) The Twelve-Factor App
3 3 (14.29%) Two-Factor Authentication
3 3 (14.29%) WAN Optimisation
Programming Languages
1 3 (14.29%) PowerShell
1 3 (14.29%) Python
2 1 (4.76%) C
Qualifications
1 17 (80.95%) Degree
2 3 (14.29%) CCNP
2 3 (14.29%) Cisco Certification
Quality Assurance & Compliance
1 17 (80.95%) SLA
System Software
1 3 (14.29%) VMware NSX
Systems Management
1 3 (14.29%) Opscode Chef
1 3 (14.29%) Puppet
1 3 (14.29%) vCenter Server
1 3 (14.29%) vRealize
Vendors
1 17 (80.95%) Xerox
2 3 (14.29%) Arista
2 3 (14.29%) Aruba
2 3 (14.29%) Blue Coat
2 3 (14.29%) CheckPoint
2 3 (14.29%) Cisco
2 3 (14.29%) Citrix
2 3 (14.29%) F5
2 3 (14.29%) Fortinet
2 3 (14.29%) Juniper
2 3 (14.29%) Meraki
2 3 (14.29%) Palo Alto
2 3 (14.29%) Riverbed
2 3 (14.29%) Tufin
2 3 (14.29%) VMware
3 1 (4.76%) Microsoft