Period
to 22 June 2021

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in the South East. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 22 June 2021 with a comparison to the same period over the previous 2 years.

Clustering
England > South East
6 months to
22 Jun 2021
Same period 2020 Same period 2019
Rank 355 285 412
Rank change year-on-year -70 +127 -21
Permanent jobs citing Clustering 59 99 104
As % of all permanent jobs advertised in the South East 0.39% 0.69% 0.40%
As % of the Miscellaneous category 1.13% 2.16% 1.24%
Number of salaries quoted 42 66 95
10th Percentile £37,500 £37,500 £40,200
25th Percentile £41,250 £40,625 £42,250
Median annual salary (50th Percentile) £51,250 £55,000 £52,500
Median % change year-on-year -6.82% +4.76% +5.00%
75th Percentile £67,500 £60,000 £66,125
90th Percentile £72,500 £66,250 £76,250
England median annual salary £51,000 £52,500 £55,000
% change year-on-year -2.86% -4.55% +8.37%

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the South East with a requirement for generic IT skills.

All Generic IT Skills
South East
Permanent vacancies with a requirement for generic IT skills 5,201 4,582 8,403
As % of all permanent IT jobs advertised in the South East 34.06% 31.74% 32.01%
Number of salaries quoted 3,256 3,738 6,507
10th Percentile £31,250 £31,250 £29,250
25th Percentile £40,000 £38,750 £36,250
Median annual salary (50th Percentile) £52,500 £51,500 £50,000
Median % change year-on-year +1.94% +3.00% +5.26%
75th Percentile £65,000 £65,000 £65,000
90th Percentile £77,500 £77,500 £77,500
England median annual salary £57,500 £56,500 £55,000
% change year-on-year +1.77% +2.73% +4.76%

Clustering
Job Vacancy Trend in the South East

Job postings citing Clustering as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for Clustering in the South East

Clustering
Salary Trend in the South East

3-month moving average salary quoted in jobs citing Clustering in the South East.

Salary trend for Clustering in the South East

Clustering
Salary Histogram in the South East

Salary distribution for jobs citing Clustering in the South East over the 6 months to 22 June 2021.

Salary histogram for Clustering in the South East

Clustering
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the South East region over the 6 months to 22 June 2021. 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
Hampshire -25 34 £59,000 +5.36% 6
Thames Valley -18 18 £62,500 +4.17% 5
Berkshire -7 10 £61,250 +11.36% 1
Buckinghamshire -8 7 £52,500 -12.50% 3
East Sussex -11 4 £40,000 -
Kent -26 4 £36,040 -39.93%
Oxfordshire -1 1 £70,000 +55.56% 1
West Sussex -2 1 £41,250 +3.13%
Clustering
England

For the 6 months to 22 June 2021, IT jobs citing Clustering 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 South East region with a requirement for Clustering.

1 30 (50.85%) High Availability
2 28 (47.46%) AWS
3 26 (44.07%) Windows
4 25 (42.37%) Microsoft
4 25 (42.37%) Azure
5 23 (38.98%) Active Directory
5 23 (38.98%) VMware
6 22 (37.29%) VMware Infrastructure
6 22 (37.29%) DevOps
7 21 (35.59%) Disaster Recovery
8 20 (33.90%) SQL Server
9 19 (32.20%) SLA
10 18 (30.51%) Python
11 17 (28.81%) Ansible
11 17 (28.81%) Site Reliability Engineering
12 16 (27.12%) PowerShell
12 16 (27.12%) Problem Management
12 16 (27.12%) Hyper-V
13 15 (25.42%) Public Cloud
13 15 (25.42%) Linux
13 15 (25.42%) Java
13 15 (25.42%) DNS
14 14 (23.73%) Firewall
14 14 (23.73%) Change Management
14 14 (23.73%) Banking
14 14 (23.73%) Opscode Chef
14 14 (23.73%) Non-Functional Testing
14 14 (23.73%) Puppet
14 14 (23.73%) Deployment Automation
14 14 (23.73%) Chaos Engineering

Clustering
Co-occurring IT Skills in the South East 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 11 (18.64%) MS Exchange
2 7 (11.86%) IIS
3 5 (8.47%) SharePoint
4 4 (6.78%) Confluence
4 4 (6.78%) Exchange Server 2013
5 3 (5.08%) WebSphere
6 1 (1.69%) MS Project Server
6 1 (1.69%) Skype for Business
6 1 (1.69%) Tomcat
Applications
1 1 (1.69%) Microsoft Excel
1 1 (1.69%) Microsoft PowerPoint
Business Applications
1 3 (5.08%) Maximo
Cloud Services
1 28 (47.46%) AWS
2 25 (42.37%) Azure
3 12 (20.34%) Microsoft 365
4 4 (6.78%) IaaS
5 2 (3.39%) PaaS
6 1 (1.69%) Amazon EC2
6 1 (1.69%) Amazon S3
6 1 (1.69%) Mimecast
6 1 (1.69%) SaaS
Communications & Networking
1 15 (25.42%) DNS
2 14 (23.73%) Firewall
3 11 (18.64%) HTTP
4 10 (16.95%) SAN
5 8 (13.56%) iSCSI
6 7 (11.86%) DHCP
7 6 (10.17%) TCP/IP
7 6 (10.17%) VLAN
8 5 (8.47%) Network Security
9 4 (6.78%) Fibre Channel
9 4 (6.78%) IPsec
9 4 (6.78%) NAS
9 4 (6.78%) Wireless
10 3 (5.08%) SSL
10 3 (5.08%) VPN
10 3 (5.08%) VSAN
11 2 (3.39%) Cisco ASA
11 2 (3.39%) DMZ
11 2 (3.39%) WAN
12 1 (1.69%) Skype
Database & Business Intelligence
1 20 (33.90%) SQL Server
2 3 (5.08%) Amazon RDS
2 3 (5.08%) Data Warehouse
2 3 (5.08%) DB2
2 3 (5.08%) Oracle Database
2 3 (5.08%) SQL Server 2008
2 3 (5.08%) SQL Server Analysis Services
2 3 (5.08%) SQL Server Integration Services
2 3 (5.08%) SQL Server Reporting Services
3 2 (3.39%) SQL Server 2012
4 1 (1.69%) Hadoop
4 1 (1.69%) MongoDB
4 1 (1.69%) NoSQL
4 1 (1.69%) PostgreSQL
4 1 (1.69%) RavenDB
4 1 (1.69%) SQL Server 2016
Development Applications
1 1 (1.69%) JIRA
General
1 14 (23.73%) Banking
2 12 (20.34%) Finance
3 11 (18.64%) Law
4 2 (3.39%) Back Office
4 2 (3.39%) Documentation Skills
4 2 (3.39%) Military
4 2 (3.39%) Social Skills
5 1 (1.69%) Automotive
5 1 (1.69%) Marketing
Job Titles
1 13 (22.03%) Cloud Engineer
1 13 (22.03%) Infrastructure Engineer
1 13 (22.03%) Site Reliability Engineer
2 12 (20.34%) Site Engineer
3 6 (10.17%) Azure Engineer
3 6 (10.17%) Azure Infrastructure Engineer
3 6 (10.17%) Operations Engineer
4 5 (8.47%) DBA
4 5 (8.47%) Senior Infrastructure Engineer
4 5 (8.47%) SQL DBA
4 5 (8.47%) SQL Server DBA
5 4 (6.78%) Administrator
5 4 (6.78%) Architect
5 4 (6.78%) CloudOps Engineer
5 4 (6.78%) Data Centre Manager
5 4 (6.78%) Data Manager
5 4 (6.78%) DevOps Administrator
5 4 (6.78%) Infrastructure Manager
5 4 (6.78%) Support Engineer
5 4 (6.78%) Systems Administrator
Libraries, Frameworks & Software Standards
1 12 (20.34%) Elastic Stack
2 3 (5.08%) LDAP
2 3 (5.08%) REST
2 3 (5.08%) SAML
3 1 (1.69%) .NET
3 1 (1.69%) MSMQ
Miscellaneous
1 15 (25.42%) Public Cloud
2 12 (20.34%) Management Information System
3 10 (16.95%) Data Centre
4 8 (13.56%) Replication
5 3 (5.08%) Online Banking
5 3 (5.08%) PKI
6 2 (3.39%) Private Cloud
7 1 (1.69%) Distributed Denial-of-Service
7 1 (1.69%) Enterprise Storage
7 1 (1.69%) Mobile App
7 1 (1.69%) Virtual Team
Operating Systems
1 26 (44.07%) Windows
2 15 (25.42%) Linux
3 11 (18.64%) Unix
4 10 (16.95%) Windows Server
5 4 (6.78%) Windows Server 2008
5 4 (6.78%) Windows Server 2012
6 3 (5.08%) Windows 10
6 3 (5.08%) Windows Server 2019
7 2 (3.39%) Windows Server 2016
8 1 (1.69%) CentOS
8 1 (1.69%) Red Hat Enterprise Linux
8 1 (1.69%) Ubuntu
8 1 (1.69%) Windows Server 2003
8 1 (1.69%) Windows Vista
8 1 (1.69%) Windows XP
Processes & Methodologies
1 30 (50.85%) High Availability
2 22 (37.29%) DevOps
3 21 (35.59%) Disaster Recovery
4 17 (28.81%) Site Reliability Engineering
5 16 (27.12%) Problem Management
6 14 (23.73%) Change Management
6 14 (23.73%) Chaos Engineering
6 14 (23.73%) Cloud Operations
6 14 (23.73%) Deployment Automation
6 14 (23.73%) Non-Functional Testing
6 14 (23.73%) Operational Stability
7 13 (22.03%) Infrastructure Engineering
8 12 (20.34%) Agile Software Development
9 11 (18.64%) Computer Science
9 11 (18.64%) Continuous Improvement
9 11 (18.64%) Digital Banking
9 11 (18.64%) ITIL
9 11 (18.64%) Problem-Solving
9 11 (18.64%) Service-Level Objective
9 11 (18.64%) Software Engineering
Programming Languages
1 18 (30.51%) Python
2 16 (27.12%) PowerShell
3 15 (25.42%) Java
4 13 (22.03%) Bash Shell
5 12 (20.34%) Shell Script
6 11 (18.64%) Go
7 7 (11.86%) SQL
8 4 (6.78%) Ruby
9 3 (5.08%) T-SQL
10 2 (3.39%) C
10 2 (3.39%) Perl
Qualifications
1 13 (22.03%) Degree
2 5 (8.47%) Security Cleared
3 2 (3.39%) AWS Certification
3 2 (3.39%) CISM
3 2 (3.39%) CISSP
4 1 (1.69%) DV Cleared
4 1 (1.69%) Microsoft Certification
4 1 (1.69%) SC Cleared
Quality Assurance & Compliance
1 19 (32.20%) SLA
2 4 (6.78%) ISO 9001
2 4 (6.78%) ISO/IEC 27001
3 1 (1.69%) PCI DSS
System Software
1 23 (38.98%) Active Directory
2 22 (37.29%) VMware Infrastructure
3 16 (27.12%) Hyper-V
4 7 (11.86%) Virtual Machines
5 5 (8.47%) NFS
6 4 (6.78%) VMware ESXi
7 3 (5.08%) Terminal Services
8 2 (3.39%) LXC
8 2 (3.39%) pfSense
8 2 (3.39%) SRDF
8 2 (3.39%) Terminal Server
9 1 (1.69%) Oracle RAC
9 1 (1.69%) vSphere
Systems Management
1 17 (28.81%) Ansible
2 14 (23.73%) Opscode Chef
2 14 (23.73%) Puppet
3 7 (11.86%) Microsoft Clustering
4 5 (8.47%) SCOM
5 4 (6.78%) Failover Clustering
5 4 (6.78%) SCCM
6 3 (5.08%) FortiGate
7 1 (1.69%) Data Guard
7 1 (1.69%) HP Quality Center
7 1 (1.69%) McAfee ePO
7 1 (1.69%) Nessus
7 1 (1.69%) NetApp OnCommand
7 1 (1.69%) OpenView Configuration Management
7 1 (1.69%) PowerCLI
7 1 (1.69%) SCOrch
7 1 (1.69%) ServerView Suite
7 1 (1.69%) vCenter Server
7 1 (1.69%) vRealize
Vendors
1 25 (42.37%) Microsoft
2 23 (38.98%) VMware
3 12 (20.34%) Cisco
4 11 (18.64%) Dell
5 9 (15.25%) Oracle
6 6 (10.17%) CheckPoint
6 6 (10.17%) HP
6 6 (10.17%) NetApp
7 4 (6.78%) EMC
7 4 (6.78%) F5
8 3 (5.08%) 3PAR
8 3 (5.08%) Brocade
8 3 (5.08%) IBM
8 3 (5.08%) Zerto
9 2 (3.39%) Apple
9 2 (3.39%) Hitachi
9 2 (3.39%) McAfee
9 2 (3.39%) WatchGuard
10 1 (1.69%) Atlassian
10 1 (1.69%) Veeam