Period
to 17 October 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 October 2021 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
17 Oct 2021
Same period 2020 Same period 2019
Rank 977 688 1049
Rank change year-on-year -289 +361 +46
Permanent jobs citing iptables 47 6 41
As % of all permanent jobs advertised in the UK 0.038% 0.013% 0.030%
As % of the System Software category 0.21% 0.068% 0.17%
Number of salaries quoted 30 3 39
10th Percentile £38,750 " £36,800
25th Percentile £48,125 £47,500 £37,500
Median annual salary (50th Percentile) £56,250 £50,000 £45,000
Median % change year-on-year +12.50% +11.11% -16.67%
75th Percentile £67,500 £67,500 £57,500
90th Percentile £72,500 £76,500 £67,500
UK excluding London median annual salary £42,500 £50,000 £42,500
% change year-on-year -15.00% +17.65% +8.97%

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 22,342 8,843 23,667
As % of all permanent IT jobs advertised in the UK 17.94% 18.46% 17.24%
Number of salaries quoted 15,372 7,596 19,745
10th Percentile £28,500 £30,500 £25,500
25th Percentile £38,750 £40,000 £32,500
Median annual salary (50th Percentile) £55,000 £55,000 £50,000
Median % change year-on-year - +10.00% -
75th Percentile £77,500 £72,500 £70,000
90th Percentile £95,000 £87,500 £85,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

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 October 2021.

Salary histogram for iptables in the UK

iptables
Top 12 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 October 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 -277 41 £62,500 +25.00% 5
UK excluding London -228 28 £42,500 -15.00%
London -231 19 £62,500 - 5
Work from Home - 19 £62,500 - 1
East of England -106 7 - -
North West - 6 - -
North of England - 6 - -
Scotland - 6 £42,500 -
South East -158 5 £70,000 +40.00%
South West - 2 - -
West Midlands - 2 £57,500 -
Midlands - 2 £57,500 -

For the 6 months to 17 October 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 47 (100.00%) Linux
2 31 (65.96%) DNS
3 28 (59.57%) Puppet
4 25 (53.19%) Red Hat
5 24 (51.06%) Apache
5 24 (51.06%) PostgreSQL
6 23 (48.94%) Ansible
7 22 (46.81%) DHCP
8 21 (44.68%) nginx
9 19 (40.43%) CentOS
10 18 (38.30%) High Availability
10 18 (38.30%) Configuration Management
10 18 (38.30%) LAMP
11 17 (36.17%) Firewall
11 17 (36.17%) VPN
11 17 (36.17%) Python
12 16 (34.04%) LAPP Stack
13 15 (31.91%) Atlassian
13 15 (31.91%) Confluence
13 15 (31.91%) JIRA
14 14 (29.79%) Disaster Recovery
14 14 (29.79%) Broadband
14 14 (29.79%) Amazon EC2
14 14 (29.79%) AWS
14 14 (29.79%) Security Cleared
14 14 (29.79%) Security Patching
15 13 (27.66%) Git (software)
15 13 (27.66%) NFS
15 13 (27.66%) Perl
16 12 (25.53%) IBM

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 24 (51.06%) Apache
2 21 (44.68%) nginx
3 15 (31.91%) Confluence
4 7 (14.89%) OpenEdge
5 6 (12.77%) Elasticsearch
6 5 (10.64%) IIS
7 4 (8.51%) Tomcat
8 3 (6.38%) OpenStack
9 2 (4.26%) JBoss
10 1 (2.13%) ejabberd
10 1 (2.13%) Traffic Server
Cloud Services
1 14 (29.79%) Amazon EC2
1 14 (29.79%) AWS
2 9 (19.15%) Azure
3 5 (10.64%) AWS Direct Connect
4 1 (2.13%) GitHub
Communications & Networking
1 31 (65.96%) DNS
2 22 (46.81%) DHCP
3 17 (36.17%) Firewall
3 17 (36.17%) VPN
4 14 (29.79%) Broadband
5 10 (21.28%) SSL
5 10 (21.28%) TCP/IP
6 9 (19.15%) VLAN
7 8 (17.02%) BGP
7 8 (17.02%) SNMP
8 7 (14.89%) SMTP
9 6 (12.77%) IPsec
9 6 (12.77%) Network Security
10 5 (10.64%) HTTPS
10 5 (10.64%) Internet
10 5 (10.64%) IPv6
10 5 (10.64%) OpenVPN
11 3 (6.38%) LAN
11 3 (6.38%) MPLS
11 3 (6.38%) OSPF
Database & Business Intelligence
1 24 (51.06%) PostgreSQL
2 10 (21.28%) MariaDB
3 9 (19.15%) MySQL
4 3 (6.38%) SQL Server
5 2 (4.26%) RDBMS
5 2 (4.26%) Relational Database
6 1 (2.13%) ClickHouse
6 1 (2.13%) Oracle Database
Development Applications
1 15 (31.91%) JIRA
2 13 (27.66%) Git (software)
3 8 (17.02%) Jenkins
4 6 (12.77%) Artifactory
4 6 (12.77%) Bitbucket
4 6 (12.77%) ClearCase
4 6 (12.77%) ClearQuest
4 6 (12.77%) Redmine
4 6 (12.77%) SonarQube
4 6 (12.77%) Sonatype Nexus
4 6 (12.77%) Subversion
5 2 (4.26%) GitLab
General
1 9 (19.15%) Analytical Skills
2 7 (14.89%) Telecoms
3 4 (8.51%) Social Skills
4 2 (4.26%) Finance
4 2 (4.26%) Games
4 2 (4.26%) Local Government
4 2 (4.26%) Organisational Skills
4 2 (4.26%) Public Sector
5 1 (2.13%) Marketing
Job Titles
1 18 (38.30%) Linux Engineer
2 12 (25.53%) Systems Engineer
3 10 (21.28%) Linux Systems Engineer
4 8 (17.02%) Administrator
4 8 (17.02%) Linux Administrator
5 7 (14.89%) Infrastructure Specialist
5 7 (14.89%) Linux Specialist
5 7 (14.89%) Principal Engineer
6 6 (12.77%) IT Engineer
6 6 (12.77%) Linux Support
6 6 (12.77%) Linux Support Engineer
6 6 (12.77%) Support Engineer
6 6 (12.77%) Wintel Engineer
6 6 (12.77%) Wintel Support
6 6 (12.77%) Wintel Support Engineer
7 5 (10.64%) AWS DevOps
7 5 (10.64%) DBA
7 5 (10.64%) DevOps Systems Engineer
7 5 (10.64%) Linux/Unix DevOps
7 5 (10.64%) Principal Systems Engineer
Libraries, Frameworks & Software Standards
1 18 (38.30%) LAMP
2 16 (34.04%) LAPP Stack
3 9 (19.15%) LEMP Stack
4 5 (10.64%) Middleware
5 3 (6.38%) Elastic Stack
6 1 (2.13%) ActiveMQ
6 1 (2.13%) cloud-init
6 1 (2.13%) CodeIgniter
6 1 (2.13%) Laravel
6 1 (2.13%) libvirt
6 1 (2.13%) Web Services
6 1 (2.13%) XMPP
Miscellaneous
1 9 (19.15%) Clustering
2 8 (17.02%) Management Information System
3 6 (12.77%) HACMP
4 3 (6.38%) Data Centre
5 2 (4.26%) Distributed Denial-of-Service
5 2 (4.26%) NHS
5 2 (4.26%) Public Cloud
6 1 (2.13%) Linux Command Line
6 1 (2.13%) Mobile App
6 1 (2.13%) Private Cloud
Operating Systems
1 47 (100.00%) Linux
2 19 (40.43%) CentOS
3 12 (25.53%) Red Hat Enterprise Linux
4 6 (12.77%) Debian
4 6 (12.77%) HPUX
4 6 (12.77%) Oracle Linux
4 6 (12.77%) SUSE
4 6 (12.77%) Ubuntu
5 4 (8.51%) Windows
6 3 (6.38%) Unix
7 2 (4.26%) Solaris
Processes & Methodologies
1 18 (38.30%) Configuration Management
1 18 (38.30%) High Availability
2 14 (29.79%) Disaster Recovery
2 14 (29.79%) Security Patching
3 11 (23.40%) DevOps
4 8 (17.02%) Agile Software Development
5 7 (14.89%) Open Source
5 7 (14.89%) Problem Management
6 6 (12.77%) Data Migration
6 6 (12.77%) Migration
6 6 (12.77%) Patch Management
6 6 (12.77%) Resource Management
6 6 (12.77%) Service Management
6 6 (12.77%) Storage Management
7 5 (10.64%) Inventory Management
7 5 (10.64%) OWASP
8 4 (8.51%) Architectural Design
8 4 (8.51%) Infrastructure Engineering
9 3 (6.38%) Computer Science
9 3 (6.38%) Cost Reduction
Programming Languages
1 17 (36.17%) Python
2 13 (27.66%) Perl
3 11 (23.40%) Bash Shell
4 4 (8.51%) PHP
5 3 (6.38%) Java
6 2 (4.26%) C
6 2 (4.26%) Ruby
6 2 (4.26%) Shell Script
7 1 (2.13%) C++
7 1 (2.13%) PHP 7
7 1 (2.13%) PL/SQL
7 1 (2.13%) SQL
Qualifications
1 14 (29.79%) Security Cleared
2 11 (23.40%) Degree
3 3 (6.38%) Computer Science Degree
3 3 (6.38%) RHCSA
4 2 (4.26%) DBS Check
4 2 (4.26%) IISP
4 2 (4.26%) Master's Degree
Quality Assurance & Compliance
1 4 (8.51%) ISO/IEC 27001
2 2 (4.26%) Cyber Essentials
2 2 (4.26%) NCSC
2 2 (4.26%) NIST
System Software
1 13 (27.66%) NFS
2 10 (21.28%) Postfix
2 10 (21.28%) VMware Infrastructure
3 9 (19.15%) Active Directory
3 9 (19.15%) Virtual Machines
4 7 (14.89%) Samba
5 6 (12.77%) Veritas Cluster Server
6 5 (10.64%) KVM
7 4 (8.51%) Docker
8 3 (6.38%) QEMU
9 2 (4.26%) Sendmail
10 1 (2.13%) GlusterFS
10 1 (2.13%) Kamailio
10 1 (2.13%) LXC
10 1 (2.13%) pfSense
10 1 (2.13%) Squid
10 1 (2.13%) Terminal Services
10 1 (2.13%) Varnish
10 1 (2.13%) VirtualBox
10 1 (2.13%) Xen
Systems Management
1 28 (59.57%) Puppet
2 23 (48.94%) Ansible
3 9 (19.15%) Failover Clustering
3 9 (19.15%) ZABBIX
4 7 (14.89%) Grafana
5 5 (10.64%) HAProxy
5 5 (10.64%) Icinga
6 3 (6.38%) Galera Cluster
6 3 (6.38%) Opscode Chef
7 2 (4.26%) CSIRT
7 2 (4.26%) HP Data Protector
7 2 (4.26%) Nagios
7 2 (4.26%) Oracle Enterprise Manager
7 2 (4.26%) Proxmox
8 1 (2.13%) BMC Marimba
8 1 (2.13%) Cacti
8 1 (2.13%) Kubernetes
8 1 (2.13%) Prometheus
8 1 (2.13%) Salt
8 1 (2.13%) Terraform
Vendors
1 25 (53.19%) Red Hat
2 15 (31.91%) Atlassian
3 12 (25.53%) IBM
4 10 (21.28%) VMware
5 9 (19.15%) Oracle
6 7 (14.89%) Clearswift
6 7 (14.89%) Symantec
7 6 (12.77%) Sun
8 5 (10.64%) HP
8 5 (10.64%) Microsoft
9 4 (8.51%) Google
10 3 (6.38%) Cisco
10 3 (6.38%) GENBAND
10 3 (6.38%) Juniper
10 3 (6.38%) Mitel
10 3 (6.38%) Percona
10 3 (6.38%) SonicWALL
11 2 (4.26%) NEC
11 2 (4.26%) NetApp
11 2 (4.26%) Northgate