Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for DNS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DNS over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
East of England > Hertfordshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 54 105 72
Rank change year-on-year +51 -33 +21
Permanent jobs citing DNS 214 118 198
As % of all permanent IT jobs advertised in Hertfordshire 4.86% 2.62% 3.71%
As % of the Communications & Networking category 23.04% 14.82% 19.15%
Number of salaries quoted 171 97 150
Hertfordshire median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -10.11%
10th Percentile £22,750 £26,400 £24,000
90th Percentile £71,250 £60,000 £57,500
East of England median annual salary £42,500 £42,500 £38,000
% change year-on-year - +11.84% -5.00%

DNS 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 Hertfordshire with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Permanent vacancies with a requirement for communications or computer networking skills 929 796 1034
As % of all permanent IT jobs advertised in Hertfordshire 21.09% 17.67% 19.35%
Number of salaries quoted 772 625 755
Hertfordshire median annual salary £45,000 £45,000 £45,000
10th Percentile £25,000 £23,000 £26,250
90th Percentile £68,750 £65,000 £63,750
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +1.19%

DNS
Job Vacancy Trend in Hertfordshire

Job postings citing DNS as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for DNS in Hertfordshire

DNS
Salary Trend in Hertfordshire

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

Salary trend for DNS in Hertfordshire

DNS
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing DNS in Hertfordshire over the 6 months to 22 November 2017.

Salary histogram for DNS in Hertfordshire

DNS
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing DNS within the Hertfordshire region over the 6 months to 22 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +7 64 £45,750 -12.86% 1
Hemel Hempstead +16 34 £50,000 +21.95% 2
Welwyn Garden City +3 30 £35,000 -26.32% 3
St Albans +10 14 £52,500 -12.50% 5
Hatfield +10 7 £26,500 -55.83% 3
Potters Bar - 6 £23,250 -
Hitchin - 6 £19,500 -
Stevenage -14 4 £47,500 +11.76%
Bishop's Stortford -12 3 £37,500 +8.70%
Borehamwood - 3 £28,500 -
Broxbourne - 3 £32,500 -
Rickmansworth +2 2 £42,000 +61.54%
Cheshunt +2 2 £28,750 -52.08%
Letchworth - 1 - -
DNS
East of England

For the 6 months to 22 November 2017, IT jobs citing DNS 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 Hertfordshire region with a requirement for DNS.

1 142 (66.36%) DHCP
2 134 (62.62%) Firewall
3 132 (61.68%) Windows
4 112 (52.34%) Active Directory
5 106 (49.53%) Microsoft
6 96 (44.86%) VMware
7 94 (43.93%) TCP/IP
8 90 (42.06%) Windows Server
9 89 (41.59%) VPN
10 75 (35.05%) VMware Infrastructure
11 64 (29.91%) Linux
12 61 (28.50%) Citrix
13 60 (28.04%) LAN
13 60 (28.04%) PowerShell
13 60 (28.04%) Office 365
14 59 (27.57%) MS Exchange
15 58 (27.10%) Microsoft Office
16 57 (26.64%) Windows Server 2008
17 55 (25.70%) ITIL
18 54 (25.23%) WAN
18 54 (25.23%) VLAN
19 52 (24.30%) Hyper-V
20 51 (23.83%) Windows 7
20 51 (23.83%) SQL
21 50 (23.36%) Cisco
22 47 (21.96%) Data Centre
23 46 (21.50%) SQL Server
24 42 (19.63%) HP
25 39 (18.22%) Microsoft Certification
25 39 (18.22%) SAN

DNS
Co-occurring IT Skills in Hertfordshire 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 59 (27.57%) MS Exchange
2 36 (16.82%) Skype for Business
3 28 (13.08%) Exchange Server 2013
4 19 (8.88%) Exchange Server 2010
5 17 (7.94%) CMS
6 9 (4.21%) SharePoint
7 8 (3.74%) IIS
8 6 (2.80%) Apache
9 4 (1.87%) OpenStack
10 3 (1.40%) Elasticsearch
10 3 (1.40%) Tomcat
10 3 (1.40%) WebLogic
11 2 (0.93%) Confluence
11 2 (0.93%) nginx
12 1 (0.47%) Drupal
12 1 (0.47%) Exchange Server 2003
Applications
1 58 (27.10%) Microsoft Office
2 2 (0.93%) Microsoft Excel
Business Applications
1 2 (0.93%) SAP CRM
2 1 (0.47%) Dynamics GP
Cloud Services
1 60 (28.04%) Office 365
2 33 (15.42%) Microsoft Azure
3 27 (12.62%) PaaS
4 21 (9.81%) Amazon AWS
5 15 (7.01%) Akamai
6 13 (6.07%) IaaS
7 9 (4.21%) Cloud Computing
7 9 (4.21%) Mimecast
8 6 (2.80%) SaaS
9 3 (1.40%) Amazon EC2
9 3 (1.40%) Amazon S3
9 3 (1.40%) Amazon SQS
9 3 (1.40%) AWS CloudFormation
10 2 (0.93%) Amazon CloudWatch
10 2 (0.93%) Amazon Glacier
10 2 (0.93%) AWS CloudTrail
10 2 (0.93%) GitHub
10 2 (0.93%) Google Cloud Platform
10 2 (0.93%) Virtual Private Cloud
11 1 (0.47%) Amazon EMR
Communications & Networking
1 142 (66.36%) DHCP
2 134 (62.62%) Firewall
3 94 (43.93%) TCP/IP
4 89 (41.59%) VPN
5 60 (28.04%) LAN
6 54 (25.23%) VLAN
6 54 (25.23%) WAN
7 39 (18.22%) SAN
7 39 (18.22%) VoIP
8 38 (17.76%) BGP
9 37 (17.29%) OSPF
10 32 (14.95%) HTTP
11 31 (14.49%) MPLS
12 21 (9.81%) NetScaler
12 21 (9.81%) Skype
13 20 (9.35%) HTTPS
13 20 (9.35%) Remote Desktop
14 19 (8.88%) Internet
15 18 (8.41%) iSCSI
16 17 (7.94%) Cisco ASA
Database & Business Intelligence
1 46 (21.50%) SQL Server
2 19 (8.88%) SQL Server 2008
3 17 (7.94%) SQL Server 2016
4 16 (7.48%) Power BI
5 15 (7.01%) Data Warehouse
5 15 (7.01%) MS Access
5 15 (7.01%) SAP Data Services
5 15 (7.01%) SQL Server 2012
5 15 (7.01%) SQL Server 2014
5 15 (7.01%) SQL Server Analysis Services
5 15 (7.01%) SQL Server Integration Services
6 14 (6.54%) Amazon RDS
7 10 (4.67%) SAP BW
8 8 (3.74%) MySQL
9 5 (2.34%) NoSQL
10 3 (1.40%) MongoDB
11 2 (0.93%) DB2
11 2 (0.93%) Oracle Database
12 1 (0.47%) Big Data
12 1 (0.47%) Relational Database
Development Applications
1 15 (7.01%) Team Foundation Server
2 3 (1.40%) AdminStudio
2 3 (1.40%) Git (software)
2 3 (1.40%) Jenkins
2 3 (1.40%) JIRA
2 3 (1.40%) MSI
2 3 (1.40%) Visual Studio
2 3 (1.40%) Wise Package Studio
3 2 (0.93%) VSS/SourceSafe
General
1 25 (11.68%) Finance
2 19 (8.88%) Retail
3 16 (7.48%) Back Office
3 16 (7.48%) Military
4 14 (6.54%) Games
5 4 (1.87%) Advertising
6 2 (0.93%) French Language
6 2 (0.93%) German Language
6 2 (0.93%) Manufacturing
6 2 (0.93%) Swedish Language
6 2 (0.93%) Telecoms
7 1 (0.47%) Electronics
Job Titles
1 47 (21.96%) 3rd Line Engineer
2 45 (21.03%) Support Engineer
3 27 (12.62%) 3rd Line Support
4 25 (11.68%) 3rd Line Support Engineer
5 24 (11.21%) Security Engineer
6 22 (10.28%) Network Engineer
7 20 (9.35%) Infrastructure Engineer
8 19 (8.88%) Administrator
8 19 (8.88%) IT Administrator
8 19 (8.88%) IT Engineer
8 19 (8.88%) Office 365 Engineer
9 18 (8.41%) 3rd Line Infrastructure Engineer
9 18 (8.41%) IT Support
10 17 (7.94%) Consultant
10 17 (7.94%) Developer
10 17 (7.94%) Network Administrator
11 16 (7.48%) Systems Engineer
12 15 (7.01%) Business Intelligence Developer
13 14 (6.54%) 3rd Line Infrastructure Support
13 14 (6.54%) Infrastructure Support
Libraries, Frameworks & Software Standards
1 26 (12.15%) Web Services
2 19 (8.88%) HTML
3 17 (7.94%) .NET
3 17 (7.94%) POSIX
4 16 (7.48%) SOAP
5 15 (7.01%) MDX
5 15 (7.01%) REST
6 5 (2.34%) CSS
7 4 (1.87%) XML
8 3 (1.40%) 802.1X
8 3 (1.40%) Middleware
8 3 (1.40%) Node.js
9 2 (0.93%) ActiveMQ
9 2 (0.93%) ASP.NET
9 2 (0.93%) LAMP
9 2 (0.93%) LEMP Stack
9 2 (0.93%) YAML
10 1 (0.47%) .NET Framework
10 1 (0.47%) Ajax
10 1 (0.47%) Flash
Miscellaneous
1 47 (21.96%) Data Centre
2 24 (11.21%) Analytical Skills
3 20 (9.35%) Management Information System
4 12 (5.61%) Public Cloud
5 10 (4.67%) Blackberry
5 10 (4.67%) iPhone
6 9 (4.21%) Data Protection Act
6 9 (4.21%) Replication
6 9 (4.21%) User Experience
7 6 (2.80%) Client/Server
7 6 (2.80%) CMDB
7 6 (2.80%) Handset
8 4 (1.87%) Driving Licence
8 4 (1.87%) Fintech
8 4 (1.87%) FMCG
9 3 (1.40%) Algorithms
9 3 (1.40%) Computer Science
9 3 (1.40%) Data Structures
9 3 (1.40%) PKI
10 2 (0.93%) CCTV
Operating Systems
1 132 (61.68%) Windows
2 90 (42.06%) Windows Server
3 64 (29.91%) Linux
4 57 (26.64%) Windows Server 2008
5 51 (23.83%) Windows 7
6 35 (16.36%) Windows Server 2012
7 28 (13.08%) Windows 8
8 24 (11.21%) Windows Server 2003
9 22 (10.28%) Red Hat Enterprise Linux
10 17 (7.94%) Windows 10
11 16 (7.48%) Windows XP
12 12 (5.61%) CentOS
13 11 (5.14%) Mac OS
13 11 (5.14%) Mac OS X
13 11 (5.14%) Unix
14 10 (4.67%) Windows Phone
14 10 (4.67%) Windows Vista
15 7 (3.27%) Ubuntu
16 3 (1.40%) AIX
16 3 (1.40%) Windows 2000 Server
Processes & Methodologies
1 55 (25.70%) ITIL
2 29 (13.55%) E-Commerce
3 27 (12.62%) Disaster Recovery
3 27 (12.62%) Mentoring
4 24 (11.21%) Problem Management
5 22 (10.28%) DevOps
5 22 (10.28%) Kalman Filter
6 20 (9.35%) Performance Tuning
7 19 (8.88%) Change Management
7 19 (8.88%) Data Modelling
7 19 (8.88%) Migration
7 19 (8.88%) SIEM
8 18 (8.41%) Data Security
9 17 (7.94%) Data Encryption
9 17 (7.94%) Network Optimisation
10 16 (7.48%) Document Management
10 16 (7.48%) ETL
10 16 (7.48%) Multi-Factor Authentication
10 16 (7.48%) Two-Factor Authentication
11 15 (7.01%) Information Security
Programming Languages
1 60 (28.04%) PowerShell
2 51 (23.83%) SQL
3 28 (13.08%) Python
4 21 (9.81%) VBScript
5 17 (7.94%) Bash Shell
6 15 (7.01%) T-SQL
6 15 (7.01%) VBA
7 9 (4.21%) Java
8 7 (3.27%) Shell Script
9 5 (2.34%) JavaScript
9 5 (2.34%) Perl
10 3 (1.40%) Bourne shell
10 3 (1.40%) C-shell
10 3 (1.40%) Go
10 3 (1.40%) PHP
10 3 (1.40%) Ruby
10 3 (1.40%) Scala
11 2 (0.93%) C
11 2 (0.93%) VB
12 1 (0.47%) C#
Qualifications
1 39 (18.22%) Microsoft Certification
2 30 (14.02%) Cisco Certification
3 28 (13.08%) MCSE
4 23 (10.75%) CCNA
4 23 (10.75%) Degree
5 17 (7.94%) VMware Certified Professional (VCP)
6 16 (7.48%) Citrix Certification
6 16 (7.48%) MCSA
7 15 (7.01%) CCAA
7 15 (7.01%) MCP
7 15 (7.01%) MCTS
8 11 (5.14%) CCNP
9 6 (2.80%) CISSP
10 5 (2.34%) SC Cleared
10 5 (2.34%) Security Cleared
11 4 (1.87%) CCDP
11 4 (1.87%) JNCIS
12 3 (1.40%) A+ Certification
13 2 (0.93%) Master's Degree
13 2 (0.93%) MCITP
Quality Assurance & Compliance
1 24 (11.21%) SLA
2 13 (6.07%) PCI DSS
3 12 (5.61%) ISO/IEC 27001
4 9 (4.21%) Cyber Essentials
4 9 (4.21%) Cyber Essentials PLUS
System Software
1 112 (52.34%) Active Directory
2 75 (35.05%) VMware Infrastructure
3 52 (24.30%) Hyper-V
4 32 (14.95%) VMware ESXi
5 21 (9.81%) Terminal Services
6 10 (4.67%) vSphere
7 7 (3.27%) Docker
8 6 (2.80%) VMware Workstation
8 6 (2.80%) XenDesktop
9 5 (2.34%) XenApp
10 4 (1.87%) LXC
11 3 (1.40%) Microsoft App-V
11 3 (1.40%) Microsoft Virtual Server
11 3 (1.40%) Virtual Servers
11 3 (1.40%) VMware NSX
11 3 (1.40%) Xen
12 2 (0.93%) Terminal Server
Systems Management
1 17 (7.94%) WSUS
2 16 (7.48%) Opscode Chef
3 14 (6.54%) Puppet
4 12 (5.61%) SCCM
5 10 (4.67%) Ansible
6 9 (4.21%) Backup Exec
6 9 (4.21%) vCenter Server
7 8 (3.74%) Microsoft Intune
8 6 (2.80%) Kubernetes
9 3 (1.40%) BMC PATROL
9 3 (1.40%) Terraform
9 3 (1.40%) vRealize
9 3 (1.40%) WMI
10 2 (0.93%) cPanel
10 2 (0.93%) Docker Swarm
10 2 (0.93%) Plesk
10 2 (0.93%) SCOM
10 2 (0.93%) Symantec Endpoint Protection
11 1 (0.47%) Mesos
11 1 (0.47%) QRadar
Vendors
1 106 (49.53%) Microsoft
2 96 (44.86%) VMware
3 61 (28.50%) Citrix
4 50 (23.36%) Cisco
5 42 (19.63%) HP
6 20 (9.35%) Juniper
6 20 (9.35%) Red Hat
7 17 (7.94%) CheckPoint
7 17 (7.94%) SAP
7 17 (7.94%) Xerox
8 16 (7.48%) Dell
8 16 (7.48%) Fortinet
8 16 (7.48%) Palo Alto
9 15 (7.01%) Blue Coat
9 15 (7.01%) Cognos
9 15 (7.01%) IBM
9 15 (7.01%) SonicWALL
10 9 (4.21%) NetApp
10 9 (4.21%) Veeam
11 7 (3.27%) Oracle