Period
to 17 May 2021

The following table provides summary statistics for permanent job vacancies with a requirement for iptables skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited iptables over the 6 months to 17 May 2021 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
17 May 2021
Same period 2020 Same period 2019
Rank 850 895 1035
Rank change year-on-year +45 +140 +81
Permanent jobs citing iptables 38 28 67
As % of all permanent jobs advertised in the UK 0.042% 0.029% 0.046%
As % of the System Software category 0.23% 0.17% 0.28%
Number of salaries quoted 36 19 53
10th Percentile " £46,700 £36,500
25th Percentile £41,250 £56,250 £37,500
Median annual salary (50th Percentile) £50,000 £60,000 £52,500
Median % change year-on-year -16.67% +14.29% +5.00%
75th Percentile £68,750 £82,500 £60,000
90th Percentile £72,500 " £62,500
UK excluding London median annual salary £70,000 £66,250 £42,500
% change year-on-year +5.66% +55.88% +2.41%

iptables is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 16,711 16,656 23,902
As % of all permanent IT jobs advertised in the UK 18.53% 17.30% 16.42%
Number of salaries quoted 13,150 13,738 19,677
10th Percentile £30,000 £26,750 £25,750
25th Percentile £38,973 £36,250 £33,750
Median annual salary (50th Percentile) £55,000 £52,500 £50,000
Median % change year-on-year +4.76% +5.00% +5.26%
75th Percentile £75,000 £72,500 £68,750
90th Percentile £90,000 £87,500 £85,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% +5.70%

iptables
Job Vacancy Trend

Job postings citing iptables as a proportion of all IT jobs advertised.

Job vacancy trend for iptables in the UK

iptables
Salary Trend

3-month moving average salary quoted in jobs citing iptables.

Salary trend for iptables in the UK

iptables
Salary Histogram

Salary distribution for jobs citing iptables over the 6 months to 17 May 2021.

Salary histogram for iptables in the UK

iptables
Top 6 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing iptables within the UK over the 6 months to 17 May 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
England +61 36 £52,500 -16.00% 4
London +73 29 £50,000 -16.67% 2
Work from Home -146 19 £65,000 +160.00% 2
UK excluding London +14 9 £70,000 +5.66% 2
South East +40 7 £70,000 -6.67% 2
Scotland -20 2 £42,500 +70.00%

For the 6 months to 17 May 2021, IT jobs citing iptables 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 with a requirement for iptables.

1 38 (100.00%) Linux
2 31 (81.58%) VPN
2 31 (81.58%) High Availability
3 30 (78.95%) Ansible
3 30 (78.95%) Firewall
4 29 (76.32%) Puppet
5 26 (68.42%) ZABBIX
5 26 (68.42%) BGP
5 26 (68.42%) SNMP
5 26 (68.42%) Apache
6 24 (63.16%) nginx
7 20 (52.63%) Cisco
7 20 (52.63%) Microsoft
7 20 (52.63%) HP
7 20 (52.63%) Internet
7 20 (52.63%) Debian
8 19 (50.00%) Open Source
8 19 (50.00%) HAProxy
9 18 (47.37%) KVM
9 18 (47.37%) GENBAND
9 18 (47.37%) QEMU
9 18 (47.37%) Percona
9 18 (47.37%) Mitel
9 18 (47.37%) Load Balancing
9 18 (47.37%) SonicWALL
9 18 (47.37%) Juniper
9 18 (47.37%) Tomcat
9 18 (47.37%) LAN
9 18 (47.37%) Windows
9 18 (47.37%) SQL Server

iptables
Co-occurring IT Skills 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 26 (68.42%) Apache
2 24 (63.16%) nginx
3 18 (47.37%) IIS
3 18 (47.37%) Tomcat
4 13 (34.21%) ejabberd
5 8 (21.05%) Elasticsearch
6 5 (13.16%) Confluence
7 2 (5.26%) JBoss
8 1 (2.63%) OpenStack
8 1 (2.63%) Traffic Server
Cloud Services
1 13 (34.21%) Amazon EC2
2 8 (21.05%) AWS
2 8 (21.05%) AWS Direct Connect
3 3 (7.89%) Azure
Communications & Networking
1 31 (81.58%) VPN
2 30 (78.95%) Firewall
3 26 (68.42%) BGP
3 26 (68.42%) SNMP
4 20 (52.63%) Internet
5 18 (47.37%) Diameter Protocol
5 18 (47.37%) LAN
6 16 (42.11%) DHCP
6 16 (42.11%) DNS
7 13 (34.21%) Asterisk PBX
7 13 (34.21%) Broadband
7 13 (34.21%) PBX
8 10 (26.32%) Network Security
9 8 (21.05%) HTTPS
9 8 (21.05%) IPsec
9 8 (21.05%) IPv6
9 8 (21.05%) OpenVPN
10 5 (13.16%) SSL
10 5 (13.16%) TCP/IP
10 5 (13.16%) VoIP
Database & Business Intelligence
1 18 (47.37%) SQL Server
2 7 (18.42%) PostgreSQL
3 5 (13.16%) MariaDB
4 2 (5.26%) RDBMS
4 2 (5.26%) Relational Database
5 1 (2.63%) ClickHouse
Development Applications
1 5 (13.16%) JIRA
2 1 (2.63%) Git (software)
2 1 (2.63%) Jenkins
General
1 18 (47.37%) Analytical Skills
1 18 (47.37%) Organisational Skills
2 13 (34.21%) Games
2 13 (34.21%) Telecoms
3 2 (5.26%) Local Government
3 2 (5.26%) Public Sector
3 2 (5.26%) Social Skills
Job Titles
1 19 (50.00%) Systems Engineer
2 16 (42.11%) Network Engineer
3 13 (34.21%) Network Systems Engineer
3 13 (34.21%) Principal Engineer
4 10 (26.32%) Linux Engineer
5 6 (15.79%) Linux Systems Engineer
6 5 (13.16%) AWS DevOps
6 5 (13.16%) AWS DevOps Engineer
6 5 (13.16%) AWS Engineer
6 5 (13.16%) DBA
6 5 (13.16%) DevOps Engineer
6 5 (13.16%) DevOps Systems Engineer
6 5 (13.16%) Linux DevOps Engineer
6 5 (13.16%) Linux/Unix DevOps
6 5 (13.16%) Principal Systems Engineer
6 5 (13.16%) VoIP Engineer
7 3 (7.89%) IT Engineer
8 2 (5.26%) Linux Support Engineer
8 2 (5.26%) Support Engineer
8 2 (5.26%) Wintel Support Engineer
Libraries, Frameworks & Software Standards
1 13 (34.21%) XMPP
2 5 (13.16%) LAMP
2 5 (13.16%) LAPP Stack
2 5 (13.16%) LEMP Stack
3 1 (2.63%) cloud-init
3 1 (2.63%) Elastic Stack
3 1 (2.63%) libvirt
Miscellaneous
1 18 (47.37%) Data Centre
2 8 (21.05%) Distributed Denial-of-Service
3 5 (13.16%) Clustering
4 2 (5.26%) HACMP
4 2 (5.26%) Management Information System
5 1 (2.63%) Private Cloud
Operating Systems
1 38 (100.00%) Linux
2 20 (52.63%) Debian
3 18 (47.37%) Windows
4 16 (42.11%) CentOS
5 5 (13.16%) Red Hat Enterprise Linux
6 3 (7.89%) Unix
7 2 (5.26%) HPUX
7 2 (5.26%) Oracle Linux
7 2 (5.26%) Solaris
7 2 (5.26%) SUSE
7 2 (5.26%) Ubuntu
Processes & Methodologies
1 31 (81.58%) High Availability
2 19 (50.00%) Open Source
3 18 (47.37%) Architectural Design
3 18 (47.37%) Load Balancing
4 15 (39.47%) Configuration Management
5 14 (36.84%) Continuous Integration
6 13 (34.21%) Computer Science
6 13 (34.21%) Disaster Recovery
6 13 (34.21%) Penetration Testing
6 13 (34.21%) Risk Assessment
6 13 (34.21%) Security Patching
7 8 (21.05%) DDoS Mitigation
7 8 (21.05%) Deployment Automation
7 8 (21.05%) Inventory Management
7 8 (21.05%) OWASP
8 5 (13.16%) DevOps
9 2 (5.26%) Change Control
9 2 (5.26%) Infrastructure Engineering
9 2 (5.26%) Problem Management
9 2 (5.26%) Storage Management
Programming Languages
1 16 (42.11%) Bash Shell
2 14 (36.84%) Perl
2 14 (36.84%) PHP
3 13 (34.21%) C
4 7 (18.42%) Python
5 2 (5.26%) Ruby
6 1 (2.63%) Shell Script
Qualifications
1 15 (39.47%) Degree
2 13 (34.21%) Computer Science Degree
3 4 (10.53%) Security Cleared
4 2 (5.26%) DBS Check
4 2 (5.26%) RHCSA
Quality Assurance & Compliance
1 2 (5.26%) ISO/IEC 27001
System Software
1 18 (47.37%) KVM
1 18 (47.37%) QEMU
2 15 (39.47%) Postfix
3 13 (34.21%) Kamailio
4 5 (13.16%) Active Directory
4 5 (13.16%) Virtual Machines
5 3 (7.89%) Docker
5 3 (7.89%) VMware Infrastructure
6 2 (5.26%) NFS
6 2 (5.26%) Sendmail
6 2 (5.26%) Veritas Cluster Server
7 1 (2.63%) LXC
7 1 (2.63%) Squid
7 1 (2.63%) Varnish
7 1 (2.63%) Xen
Systems Management
1 30 (78.95%) Ansible
2 29 (76.32%) Puppet
3 26 (68.42%) ZABBIX
4 19 (50.00%) HAProxy
5 18 (47.37%) Galera Cluster
6 9 (23.68%) Grafana
7 8 (21.05%) Icinga
8 5 (13.16%) Failover Clustering
9 3 (7.89%) Opscode Chef
10 2 (5.26%) HP Data Protector
10 2 (5.26%) Oracle Enterprise Manager
11 1 (2.63%) Nagios
11 1 (2.63%) Prometheus
11 1 (2.63%) Salt
11 1 (2.63%) Terraform
Vendors
1 20 (52.63%) Cisco
1 20 (52.63%) HP
1 20 (52.63%) Microsoft
2 18 (47.37%) GENBAND
2 18 (47.37%) Juniper
2 18 (47.37%) Mitel
2 18 (47.37%) Percona
2 18 (47.37%) SonicWALL
3 13 (34.21%) Nortel
4 9 (23.68%) Red Hat
5 5 (13.16%) Atlassian
6 4 (10.53%) Oracle
7 3 (7.89%) VMware
8 2 (5.26%) IBM
8 2 (5.26%) NEC
8 2 (5.26%) NetApp
8 2 (5.26%) Nokia
8 2 (5.26%) Northgate
8 2 (5.26%) Sun