The table below looks at the statistics for X.21 skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited X.21 over the 3 months to 1 April 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Apr 2015
Same period 2014 Same period 2013
X.21
Rank 887 918 875
Rank change year-on-year
+31 -43
Permanent jobs citing X.21 16 10 15
As % of all permanent IT jobs located in the UK 0.014% 0.009% 0.014%
As % of the Communications & Networking category 0.080% 0.051% 0.067%
Number of salaries quoted 16 10 15
Average salary £50,000 £30,000 £24,000
Average salary % change year-on-year
+66.66% +25.00%
UK excluding London average salary £50,000 £30,000 £24,000
% change year-on-year
+66.66% +25.00%

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised across the UK.

Communications & Networking Category
UK
Permanent IT job ads with a match in the
Communications & Networking category
20097 19577 22337
As % of all permanent IT jobs located in the UK 18.16% 16.88% 20.11%
Number of salaries quoted 16032 15496 18007
Average salary £45,000 £42,500 £42,500
Average salary % change year-on-year
+5.88% -
90% offered a salary of more than £27,500 £26,500 £27,000
10% offered a salary of more than £69,500 £65,000 £62,000
UK excluding London average salary £41,500 £40,000 £40,000
% change year-on-year
+3.75% -

X.21
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing X.21 within the UK as a proportion of the total demand within the Communications & Networking category.

X.21 Jobs Demand Trend in the UK

X.21
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing X.21 within the UK.

X.21 Salary Trend in the UK

X.21
Salary Histogram

This chart provides a salary histogram for IT jobs citing X.21 over the 3 months to 1 April 2015 within the UK.

X.21 Salary Histogram in the UK

X.21
Top 14 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing X.21 within the UK over the 3 months to 1 April 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +40 16 £50,000 +66.66%
Berkshire +2 11 £50,000 +106.18%
South East -3 11 £50,000 +106.18%
Reading -6 8 £51,250 +111.34%
North East - 3 £50,000 -
Tyne and Wear - 3 £50,000 -
Prudhoe - 2 £50,000 -
Studley -2 1 £27,500 -8.33%
Warwickshire -10 1 £27,500 -8.33%
West Midlands -18 1 £27,500 -8.33%
South West - 1 £43,500 -
Wiltshire - 1 £43,500 -
London - 1 £37,500 -
Newcastle upon Tyne - 1 £50,000 -

X.21
Top 30 Related IT Skills

For the 6 months to 1 April 2015, IT jobs within the UK citing X.21 also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited X.21.

1 25 (100.00%) Cisco
1 25 (100.00%) MPLS
2 24 (96.00%) OSPF
2 24 (96.00%) IPsec
3 23 (92.00%) ATM
3 23 (92.00%) PPP
3 23 (92.00%) BGP
3 23 (92.00%) DSL
4 22 (88.00%) ISDN
5 20 (80.00%) Cisco Certification
6 19 (76.00%) CCNP
7 18 (72.00%) SNMP
8 17 (68.00%) TCP/IP
8 17 (68.00%) DNS
8 17 (68.00%) Firewall
9 16 (64.00%) EIGRP
10 15 (60.00%) VoIP
10 15 (60.00%) VLAN
10 15 (60.00%) Spanning Tree
11 13 (52.00%) CCSP
11 13 (52.00%) CCDP
11 13 (52.00%) JNCIS
12 12 (48.00%) WAN
13 11 (44.00%) Broadband
13 11 (44.00%) Load Balancing
13 11 (44.00%) Analytical Skills
14 9 (36.00%) L2TP
14 9 (36.00%) Network Design
15 7 (28.00%) UNIX
15 7 (28.00%) Test Management

X.21
Top Related IT Skills by Category

For the 6 months to 1 April 2015, IT jobs within the UK citing X.21 also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited X.21. Up to 20 skills are shown per category.

Applications
1 1 (4.00%) MS Excel
1 1 (4.00%) MS Visio
1 1 (4.00%) MS PowerPoint
Communications & Networking
1 25 (100.00%) MPLS
2 24 (96.00%) OSPF
2 24 (96.00%) IPsec
3 23 (92.00%) DSL
3 23 (92.00%) BGP
3 23 (92.00%) PPP
3 23 (92.00%) ATM
4 22 (88.00%) ISDN
5 18 (72.00%) SNMP
6 17 (68.00%) TCP/IP
6 17 (68.00%) DNS
6 17 (68.00%) Firewall
7 16 (64.00%) EIGRP
8 15 (60.00%) VLAN
8 15 (60.00%) Spanning Tree
8 15 (60.00%) VoIP
9 12 (48.00%) WAN
10 11 (44.00%) Broadband
11 9 (36.00%) L2TP
12 6 (24.00%) VPN
General
1 2 (8.00%) Telecoms
2 1 (4.00%) Legal
Job Titles
1 21 (84.00%) Network Engineer
2 5 (20.00%) NOC Engineer
3 4 (16.00%) Cisco Network Engineer
3 4 (16.00%) Cisco Engineer
4 2 (8.00%) Support Engineer
4 2 (8.00%) IP Network Engineer
4 2 (8.00%) IP Engineer
5 1 (4.00%) Cisco Support Engineer
5 1 (4.00%) Core Network Engineer
5 1 (4.00%) Network Specialist
5 1 (4.00%) Cisco Support
5 1 (4.00%) Technical Support Engineer
5 1 (4.00%) Network Support Engineer
5 1 (4.00%) Technical Engineer
5 1 (4.00%) Network Support
5 1 (4.00%) Technical Support
Miscellaneous
1 11 (44.00%) Analytical Skills
2 1 (4.00%) Statistics
Operating Systems
1 7 (28.00%) UNIX
Processes & Methodologies
1 11 (44.00%) Load Balancing
2 9 (36.00%) Network Design
3 7 (28.00%) Test Management
4 5 (20.00%) Network Monitoring
5 3 (12.00%) Time Management
6 2 (8.00%) Network Management
6 2 (8.00%) ITIL
7 1 (4.00%) Configuration Management
7 1 (4.00%) Service Management
7 1 (4.00%) Password Management
7 1 (4.00%) Validation
7 1 (4.00%) Deep Packet Inspection
7 1 (4.00%) Facility Management
Qualifications
1 20 (80.00%) Cisco Certification
2 19 (76.00%) CCNP
3 13 (52.00%) CCSP
3 13 (52.00%) JNCIS
3 13 (52.00%) CCDP
4 4 (16.00%) CCNA
5 3 (12.00%) CCIP
6 2 (8.00%) CCIE
6 2 (8.00%) Security Cleared
7 1 (4.00%) SC Cleared
Quality Assurance & Compliance
1 2 (8.00%) ISO/IEC 27001
1 2 (8.00%) PCI DSS
2 1 (4.00%) SLA
System Software
1 5 (20.00%) VMware ESX
2 1 (4.00%) Firmware
Systems Management
1 2 (8.00%) Netcool
2 1 (4.00%) Tivoli
Vendors
1 25 (100.00%) Cisco
2 5 (20.00%) VMware
2 5 (20.00%) F5
3 4 (16.00%) Juniper
4 2 (8.00%) Microsoft
5 1 (4.00%) Nortel
5 1 (4.00%) IBM
5 1 (4.00%) Brocade