Period
to 13 October 2019

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 13 October 2019 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
East of England > Hertfordshire
6 months to
13 Oct 2019
Same period 2018 Same period 2017
Rank 44 63 65
Rank change year-on-year +19 +2 +28
Permanent jobs citing DNS 136 181 187
As % of all permanent IT jobs advertised in Hertfordshire 5.58% 4.51% 4.47%
As % of the Communications & Networking category 23.13% 23.69% 22.10%
Number of salaries quoted 83 111 142
Hertfordshire median annual salary £50,000 £55,000 £43,750
Median salary % change year-on-year -9.09% +25.71% +4.17%
10th Percentile £25,150 £25,750 £22,750
90th Percentile £72,500 £72,500 £65,000
East of England median annual salary £40,000 £40,000 £40,000

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 588 764 846
As % of all permanent IT jobs advertised in Hertfordshire 24.12% 19.03% 20.23%
Number of salaries quoted 414 548 708
Hertfordshire median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% -
10th Percentile £25,000 £27,500 £25,000
90th Percentile £68,375 £71,250 £67,500
East of England median annual salary £45,000 £45,000 £45,000

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 13 October 2019.

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 13 October 2019. 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 +22 37 £65,000 +30.00% 4
Welwyn Garden City +14 24 £25,000 -65.28% 2
Hemel Hempstead +22 20 £50,000 +66.67% 4
Borehamwood +30 17 £35,000 +29.63% 2
Harpenden - 8 - -
St Albans +17 6 £38,000 -15.56%
Hatfield +4 2 £61,250 -5.77% 2
Kings Langley - 2 - -
DNS
East of England

For the 6 months to 13 October 2019, IT jobs citing DNS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for DNS.

1 75 (55.15%) DHCP
2 74 (54.41%) TCP/IP
3 61 (44.85%) Windows
4 57 (41.91%) Linux
5 51 (37.50%) Firewall
6 50 (36.76%) Microsoft
7 48 (35.29%) VMware
8 47 (34.56%) Azure
9 46 (33.82%) Puppet
10 45 (33.09%) Active Directory
11 44 (32.35%) Cisco
12 43 (31.62%) Windows Server
13 42 (30.88%) Python
14 39 (28.68%) DevOps
15 35 (25.74%) Bash Shell
15 35 (25.74%) Office 365
15 35 (25.74%) VPN
16 32 (23.53%) ITIL
16 32 (23.53%) Perl
17 30 (22.06%) Ansible
17 30 (22.06%) Cisco Certification
18 29 (21.32%) AWS
19 28 (20.59%) Infrastructure Engineering
20 26 (19.12%) Problem-Solving
20 26 (19.12%) Load Balancing
21 25 (18.38%) Opscode Chef
22 24 (17.65%) VMware Infrastructure
22 24 (17.65%) Replication
22 24 (17.65%) SNMP
23 23 (16.91%) MS Exchange

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 23 (16.91%) MS Exchange
2 16 (11.76%) Exchange Server 2013
3 13 (9.56%) Exchange Server 2010
3 13 (9.56%) SharePoint
4 9 (6.62%) OpenStack
5 8 (5.88%) IIS
5 8 (5.88%) nginx
6 7 (5.15%) Elasticsearch
7 5 (3.68%) Apache
7 5 (3.68%) Exchange Server 2007
8 1 (0.74%) GlassFish
8 1 (0.74%) JBoss
8 1 (0.74%) MQSeries
8 1 (0.74%) Oracle SOA Suite
8 1 (0.74%) Skype for Business
8 1 (0.74%) WebLogic
8 1 (0.74%) WebSphere
Applications
1 9 (6.62%) Microsoft Office
2 6 (4.41%) Microsoft Excel
2 6 (4.41%) Microsoft PowerPoint
2 6 (4.41%) MS Visio
Business Applications
1 1 (0.74%) Oracle EBS R12
Cloud Services
1 47 (34.56%) Azure
2 35 (25.74%) Office 365
3 29 (21.32%) AWS
4 19 (13.97%) SaaS
5 17 (12.50%) GCP
6 14 (10.29%) IaaS
7 11 (8.09%) Cloud Computing
8 9 (6.62%) Azure Active Directory
9 8 (5.88%) Stackdriver
10 5 (3.68%) Mimecast
10 5 (3.68%) OneDrive
11 3 (2.21%) GitHub
11 3 (2.21%) PaaS
12 1 (0.74%) Akamai
12 1 (0.74%) AWS CloudFormation
Communications & Networking
1 75 (55.15%) DHCP
2 74 (54.41%) TCP/IP
3 51 (37.50%) Firewall
4 35 (25.74%) VPN
5 24 (17.65%) SNMP
6 22 (16.18%) LAN
7 21 (15.44%) HTTP
7 21 (15.44%) WAN
8 18 (13.24%) Wi-Fi
9 17 (12.50%) BGP
9 17 (12.50%) OSPF
9 17 (12.50%) SAN
10 15 (11.03%) EIGRP
10 15 (11.03%) SSL
10 15 (11.03%) VLAN
11 13 (9.56%) MPLS
11 13 (9.56%) Network Security
12 12 (8.82%) Internet
12 12 (8.82%) SMTP
13 11 (8.09%) 4G
Database & Business Intelligence
1 17 (12.50%) MongoDB
2 8 (5.88%) MariaDB
2 8 (5.88%) MySQL
3 7 (5.15%) SQL Server
4 4 (2.94%) Big Data
5 2 (1.47%) SQL Server 2008
5 2 (1.47%) SQL Server 2012
5 2 (1.47%) SQL Server 2014
Development Applications
1 20 (14.71%) Jenkins
2 17 (12.50%) Git (software)
3 14 (10.29%) Artifactory
3 14 (10.29%) Sonatype Nexus
4 3 (2.21%) JIRA
General
1 22 (16.18%) Retail
2 18 (13.24%) Finance
3 3 (2.21%) Banking
4 2 (1.47%) Legal
4 2 (1.47%) Telecoms
5 1 (0.74%) Billing
Job Titles
1 32 (23.53%) DevOps Engineer
2 30 (22.06%) Linux Engineer
3 22 (16.18%) Network Engineer
4 21 (15.44%) Systems Engineer
5 18 (13.24%) Linux DevOps Engineer
5 18 (13.24%) Linux/Unix DevOps
6 15 (11.03%) Linux Systems Engineer
7 11 (8.09%) Service Desk Engineer
8 10 (7.35%) Cloud Engineer
8 10 (7.35%) DevOps Systems Engineer
8 10 (7.35%) Infrastructure Engineer
8 10 (7.35%) Senior DevOps
8 10 (7.35%) Senior DevOps Engineer
9 9 (6.62%) 3rd Line Engineer
9 9 (6.62%) Architect
10 8 (5.88%) Reliability Engineer
10 8 (5.88%) Solutions Architect
11 7 (5.15%) Infrastructure Architect
11 7 (5.15%) Senior Linux Engineer
12 6 (4.41%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 19 (13.97%) Web Services
2 8 (5.88%) Elastic Stack
2 8 (5.88%) LDAP
3 6 (4.41%) XML
4 4 (2.94%) Node.js
5 3 (2.21%) LAMP
6 2 (1.47%) HTML
6 2 (1.47%) Middleware
7 1 (0.74%) 802.1X
7 1 (0.74%) ActiveMQ
7 1 (0.74%) COM
7 1 (0.74%) CSS
7 1 (0.74%) EJB
7 1 (0.74%) EJB 3.0
7 1 (0.74%) HornetQ
7 1 (0.74%) Java EE
7 1 (0.74%) Java SE
7 1 (0.74%) JMS
7 1 (0.74%) WebSphere MQ
Miscellaneous
1 24 (17.65%) Replication
2 17 (12.50%) Analytical Skills
3 8 (5.88%) Data Centre
3 8 (5.88%) Hybrid Cloud
4 7 (5.15%) Self-Motivation
5 5 (3.68%) User Experience
6 4 (2.94%) Public Cloud
7 3 (2.21%) Clustering
7 3 (2.21%) Enterprise Software
7 3 (2.21%) PKI
7 3 (2.21%) Private Cloud
8 2 (1.47%) Linux Command Line
9 1 (0.74%) Renewable Energy
9 1 (0.74%) SCADA
9 1 (0.74%) Security Operations Centre
9 1 (0.74%) Virtual Team
Operating Systems
1 61 (44.85%) Windows
2 57 (41.91%) Linux
3 43 (31.62%) Windows Server
4 18 (13.24%) Windows 10
4 18 (13.24%) Windows 7
5 16 (11.76%) CentOS
5 16 (11.76%) Windows Server 2012
6 15 (11.03%) Windows Server 2008
7 12 (8.82%) Red Hat Enterprise Linux
8 9 (6.62%) Ubuntu
9 8 (5.88%) Debian
10 4 (2.94%) Windows Server 2003
11 3 (2.21%) Mac OS X
12 2 (1.47%) Unix
Processes & Methodologies
1 39 (28.68%) DevOps
2 32 (23.53%) ITIL
3 28 (20.59%) Infrastructure Engineering
4 26 (19.12%) Load Balancing
4 26 (19.12%) Problem-Solving
5 21 (15.44%) Disaster Recovery
6 17 (12.50%) Microservices
6 17 (12.50%) Performance Measurement
7 16 (11.76%) Performance Tuning
8 14 (10.29%) Agile Software Development
9 12 (8.82%) Service Management
10 11 (8.09%) Analytics
10 11 (8.09%) Continuous Integration
11 10 (7.35%) Root Cause Analysis
12 9 (6.62%) Incident Management
12 9 (6.62%) ITIL V3
12 9 (6.62%) Network Architecture
13 8 (5.88%) Capacity Planning
13 8 (5.88%) Change Management
13 8 (5.88%) Task Automation
Programming Languages
1 42 (30.88%) Python
2 35 (25.74%) Bash Shell
3 32 (23.53%) Perl
4 17 (12.50%) PowerShell
4 17 (12.50%) Ruby
5 14 (10.29%) Shell Script
6 9 (6.62%) SQL
7 6 (4.41%) Java
8 5 (3.68%) Go
9 4 (2.94%) PHP
9 4 (2.94%) VBScript
10 1 (0.74%) AWK
10 1 (0.74%) JavaScript
Qualifications
1 30 (22.06%) Cisco Certification
2 19 (13.97%) CCNA
3 17 (12.50%) CCNP
4 11 (8.09%) Degree
4 11 (8.09%) RHCE
5 10 (7.35%) LPIC
6 8 (5.88%) Microsoft Certification
6 8 (5.88%) RHCT
6 8 (5.88%) VMware Certified Professional (VCP)
7 7 (5.15%) CCIE
8 6 (4.41%) CCDP
9 5 (3.68%) CCAA
9 5 (3.68%) Citrix Certification
9 5 (3.68%) MCSA
9 5 (3.68%) MCSE
10 4 (2.94%) DBS Check
11 3 (2.21%) Computer Science Degree
11 3 (2.21%) MCP
11 3 (2.21%) MCTS
11 3 (2.21%) SSCP
Quality Assurance & Compliance
1 9 (6.62%) ISO/IEC 27001
2 8 (5.88%) PCI DSS
3 5 (3.68%) SLA
System Software
1 45 (33.09%) Active Directory
2 24 (17.65%) VMware Infrastructure
3 22 (16.18%) Hyper-V
4 14 (10.29%) vSphere
5 4 (2.94%) DFS Replication
5 4 (2.94%) Docker
5 4 (2.94%) VMware Server
5 4 (2.94%) XenDesktop
6 3 (2.21%) iptables
6 3 (2.21%) LXC
6 3 (2.21%) NFS
6 3 (2.21%) Postfix
6 3 (2.21%) Samba
6 3 (2.21%) Virtual Servers
6 3 (2.21%) XenApp
7 1 (0.74%) Virtual Desktop
7 1 (0.74%) VMware ESXi
7 1 (0.74%) VMware NSX
Systems Management
1 46 (33.82%) Puppet
2 30 (22.06%) Ansible
3 25 (18.38%) Opscode Chef
4 8 (5.88%) Kibana
4 8 (5.88%) logstash
5 6 (4.41%) HAProxy
6 5 (3.68%) Jamf Pro
6 5 (3.68%) Microsoft Intune
7 4 (2.94%) Kubernetes
7 4 (2.94%) SCCM
7 4 (2.94%) Terraform
8 3 (2.21%) Backup Exec
8 3 (2.21%) Munin
8 3 (2.21%) Nagios
8 3 (2.21%) Symantec Enterprise Vault
8 3 (2.21%) vMotion
8 3 (2.21%) WSUS
9 2 (1.47%) AirWatch
9 2 (1.47%) FortiGate
9 2 (1.47%) vCenter Server
Vendors
1 50 (36.76%) Microsoft
2 48 (35.29%) VMware
3 44 (32.35%) Cisco
4 20 (14.71%) Red Hat
5 19 (13.97%) F5
5 19 (13.97%) Meraki
6 18 (13.24%) HP
7 17 (12.50%) Dell
7 17 (12.50%) Google
8 14 (10.29%) Percona
9 13 (9.56%) Citrix
10 12 (8.82%) SonicWALL
11 10 (7.35%) SolarWinds
12 9 (6.62%) Intel
13 8 (5.88%) New Relic
13 8 (5.88%) Splunk
14 7 (5.15%) Blue Coat
14 7 (5.15%) Fortinet
14 7 (5.15%) Palo Alto
15 6 (4.41%) Radware