The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for TCP/IP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TCP/IP over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Transmission Control Protocol/Internet Protocol (TCP/IP)
London / Croydon
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 27 28 31
Rank change year-on-year +1 +3  
Permanent jobs citing TCP/IP 13 17 11
As % of all permanent IT jobs advertised in Croydon 6.91% 6.91% 5.64%
As % of the Communications & Networking category 30.23% 24.64% 28.21%
Number of salaries quoted 13 17 8
Median salary £18,000 £50,000 £28,250
Median salary % change year-on-year -64.00% +76.99%  
90% offered a salary of more than £16,500 £25,200 £25,500
10% offered a salary of more than £39,400 £51,800 £39,150
UK excluding London median salary £37,750 £39,000 £37,500
% change year-on-year -3.20% +4.00%  

TCP/IP is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Croydon
Permanent job vacancies with a requirement for communications and computer networking skills 43 69 39
As % of all permanent IT job vacancies advertised in Croydon 22.87% 28.05% 20.00%
Number of salaries quoted 34 66 30
Median salary £37,000 £47,500 £35,000
Median salary % change year-on-year -22.10% +35.71%  
90% offered a salary of more than £16,500 £27,350 £25,500
10% offered a salary of more than £52,500 £55,000 £55,750
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

TCP/IP
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing TCP/IP as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for TCP/IP in Croydon

TCP/IP
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TCP/IP in Croydon.

Salary trend for TCP/IP in Croydon

TCP/IP
Salary Histogram in Croydon

The salary distribution of IT jobs citing TCP/IP in Croydon over the 3 months to 25 June 2017.

Salary histogram for TCP/IP in Croydon

For the 6 months to 25 June 2017, IT jobs citing TCP/IP 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 Croydon region with a requirement for TCP/IP.

1 16 (80.00%) Windows
1 16 (80.00%) Windows Server
2 14 (70.00%) VMware
3 13 (65.00%) Microsoft
4 12 (60.00%) WAN
4 12 (60.00%) Active Directory
4 12 (60.00%) Linux
4 12 (60.00%) DNS
5 9 (45.00%) LAN
5 9 (45.00%) Cisco
5 9 (45.00%) CentOS
6 8 (40.00%) DHCP
7 7 (35.00%) Citrix
7 7 (35.00%) Microsoft Office
7 7 (35.00%) Firewall
8 6 (30.00%) SQL
8 6 (30.00%) VPN
8 6 (30.00%) Windows Server 2008
9 5 (25.00%) Hyper-V
9 5 (25.00%) XenApp
9 5 (25.00%) Office 365
9 5 (25.00%) Finance
9 5 (25.00%) SQL Server
9 5 (25.00%) Security Management
9 5 (25.00%) Nagios
10 4 (20.00%) Symantec
10 4 (20.00%) MPLS
10 4 (20.00%) BGP
10 4 (20.00%) MS Exchange
10 4 (20.00%) Clustering

TCP/IP
Co-occurring IT Skills in Croydon 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 4 (20.00%) MS Exchange
2 2 (10.00%) Exchange Server 2010
2 2 (10.00%) IIS
3 1 (5.00%) Blackberry Enterprise Server
3 1 (5.00%) SharePoint
Applications
1 7 (35.00%) Microsoft Office
2 1 (5.00%) MS Visio
Business Applications
1 3 (15.00%) SAP Oil and Gas
Cloud Services
1 5 (25.00%) Office 365
Communications & Networking
1 12 (60.00%) DNS
1 12 (60.00%) WAN
2 9 (45.00%) LAN
3 8 (40.00%) DHCP
4 7 (35.00%) Firewall
5 6 (30.00%) VPN
6 4 (20.00%) BGP
6 4 (20.00%) MPLS
6 4 (20.00%) VPLS
7 3 (15.00%) HTTP
7 3 (15.00%) iSCSI
7 3 (15.00%) SAN
7 3 (15.00%) SSH
7 3 (15.00%) SSL
7 3 (15.00%) VoIP
8 2 (10.00%) Network Security
8 2 (10.00%) RTCP
8 2 (10.00%) RTP
8 2 (10.00%) STUN
8 2 (10.00%) VLAN
Database & Business Intelligence
1 5 (25.00%) SQL Server
2 3 (15.00%) SQL Server 2008
2 3 (15.00%) SQL Server 2012
General
1 5 (25.00%) Finance
2 3 (15.00%) Electronics
2 3 (15.00%) Manufacturing
2 3 (15.00%) Marketing
2 3 (15.00%) Telecoms
Job Titles
1 5 (25.00%) Analyst
1 5 (25.00%) Service Analyst
1 5 (25.00%) Service Desk Analyst
1 5 (25.00%) Support Engineer
2 4 (20.00%) IT Engineer
2 4 (20.00%) IT Support
2 4 (20.00%) IT Support Engineer
3 3 (15.00%) 2nd Line Engineer
3 3 (15.00%) 2nd Line Support
3 3 (15.00%) 2nd Line Support Engineer
3 3 (15.00%) Administrator
3 3 (15.00%) Junior
3 3 (15.00%) Network Engineer
3 3 (15.00%) Network Operations Engineer
3 3 (15.00%) Operations Engineer
3 3 (15.00%) Senior Windows Administrator
3 3 (15.00%) Windows Administrator
4 2 (10.00%) 2nd Line Desktop Support Engineer
4 2 (10.00%) Desktop Support
4 2 (10.00%) Junior IT Engineer
Libraries, Frameworks & Software Standards
1 3 (15.00%) FreeSWITCH
Miscellaneous
1 4 (20.00%) Clustering
2 2 (10.00%) Fintech
2 2 (10.00%) Social Media
3 1 (5.00%) Blackberry
3 1 (5.00%) Data Centre
Operating Systems
1 16 (80.00%) Windows
1 16 (80.00%) Windows Server
2 12 (60.00%) Linux
3 9 (45.00%) CentOS
4 6 (30.00%) Windows Server 2008
5 4 (20.00%) CoreOS
5 4 (20.00%) Windows Server 2012
6 3 (15.00%) Red Hat Enterprise Linux
7 2 (10.00%) Windows 10
7 2 (10.00%) Windows 7
7 2 (10.00%) Windows Server 2003
8 1 (5.00%) Android
8 1 (5.00%) Apple iOS
8 1 (5.00%) Mac OS X
Processes & Methodologies
1 5 (25.00%) Security Management
2 3 (15.00%) Business Intelligence
2 3 (15.00%) Capacity Planning
2 3 (15.00%) Digital Marketing
2 3 (15.00%) Programme Management
2 3 (15.00%) Security Testing
3 2 (10.00%) Performance Tuning
4 1 (5.00%) Configuration Management
4 1 (5.00%) Data Management
4 1 (5.00%) DevOps
4 1 (5.00%) ITIL
4 1 (5.00%) Mentoring
4 1 (5.00%) Network Design
4 1 (5.00%) Network Load Balancing
4 1 (5.00%) Server Virtualisation
4 1 (5.00%) Service Delivery
4 1 (5.00%) Time Management
Programming Languages
1 6 (30.00%) SQL
2 4 (20.00%) Bash Shell
3 3 (15.00%) PowerShell
4 1 (5.00%) Python
Qualifications
1 3 (15.00%) Degree
2 2 (10.00%) MCP
3 1 (5.00%) CCNP
3 1 (5.00%) Cisco Certification
3 1 (5.00%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 1 (5.00%) QA
1 1 (5.00%) SLA
System Software
1 12 (60.00%) Active Directory
2 5 (25.00%) Hyper-V
2 5 (25.00%) XenApp
3 4 (20.00%) Docker
3 4 (20.00%) VMware Infrastructure
4 3 (15.00%) Microsoft App-V
4 3 (15.00%) OpenSIPS
4 3 (15.00%) vSphere
4 3 (15.00%) Xen
5 1 (5.00%) BIND 9
5 1 (5.00%) Firmware
5 1 (5.00%) iptables
5 1 (5.00%) ISA Server
5 1 (5.00%) Kamailio
5 1 (5.00%) Terminal Services
5 1 (5.00%) VMware ESXi
5 1 (5.00%) XenDesktop
5 1 (5.00%) XenServer
Systems Management
1 5 (25.00%) Nagios
2 3 (15.00%) Backup Exec
2 3 (15.00%) SCCM
3 2 (10.00%) Norton AntiVirus
4 1 (5.00%) Ansible
4 1 (5.00%) HP SIM
4 1 (5.00%) Microsoft Clustering
4 1 (5.00%) OpenView
4 1 (5.00%) Puppet
4 1 (5.00%) SCOM
Vendors
1 14 (70.00%) VMware
2 13 (65.00%) Microsoft
3 9 (45.00%) Cisco
4 7 (35.00%) Citrix
5 4 (20.00%) Symantec
6 3 (15.00%) NetApp
6 3 (15.00%) Red Hat
6 3 (15.00%) SAP
7 1 (5.00%) Dell
7 1 (5.00%) HP
7 1 (5.00%) Sophos
7 1 (5.00%) Veritas