Period
to 22 September 2019

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 22 September 2019 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
22 Sep 2019
Same period 2018 Same period 2017
Rank 1034 1070 1064
Rank change year-on-year +36 -6 +84
Permanent jobs citing iptables 44 103 145
As % of all permanent IT jobs advertised in the UK 0.032% 0.062% 0.082%
As % of the System Software category 0.18% 0.42% 0.63%
Number of salaries quoted 42 87 130
UK median annual salary £42,500 £52,500 £57,500
Median salary % change year-on-year -19.05% -8.70% +6.98%
10th Percentile £37,000 £31,000 £36,250
90th Percentile £66,750 £86,000 £80,000
UK excluding London median annual salary £42,500 £40,000 £38,000
% change year-on-year +6.25% +5.26% -27.62%

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 24,104 24,514 22,840
As % of all permanent IT jobs advertised in the UK 17.33% 14.72% 12.93%
Number of salaries quoted 19,719 20,029 19,218
UK median annual salary £50,000 £49,039 £45,000
Median salary % change year-on-year +1.96% +8.97% +5.88%
10th Percentile £25,500 £24,750 £24,000
90th Percentile £85,000 £81,250 £75,000
UK excluding London median annual salary £42,500 £42,500 £38,500
% change year-on-year - +10.39% +2.67%

iptables
Job Vacancy Trend

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

Job vacancy trend for iptables in the UK

iptables
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing iptables.

Salary trend for iptables in the UK

iptables
Salary Histogram

The salary distribution of IT jobs citing iptables over the 6 months to 22 September 2019.

Salary histogram for iptables in the UK

iptables
Top 5 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 22 September 2019. 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 +37 44 £42,500 -20.19% 7
UK excluding London +61 29 £42,500 +6.25% 5
South East +36 25 £42,500 -15.00% 1
London +46 15 £40,000 -27.27% 2
East of England +75 4 £56,250 -25.00%

For the 6 months to 22 September 2019, 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 32 (72.73%) Linux
2 27 (61.36%) Python
3 25 (56.82%) Nagios
4 20 (45.45%) Firewall
5 19 (43.18%) AWS
5 19 (43.18%) Bash Shell
6 18 (40.91%) VPN
6 18 (40.91%) Docker
7 17 (38.64%) DNS
7 17 (38.64%) VMware Infrastructure
7 17 (38.64%) VMware
8 16 (36.36%) Degree
8 16 (36.36%) ZABBIX
8 16 (36.36%) CentOS
8 16 (36.36%) Puppet
8 16 (36.36%) MySQL
9 15 (34.09%) Apache
9 15 (34.09%) DevOps
10 14 (31.82%) Red Hat
11 13 (29.55%) Infrastructure Engineering
12 12 (27.27%) ITIL
12 12 (27.27%) Unix
12 12 (27.27%) Debian
12 12 (27.27%) Ubuntu
12 12 (27.27%) Ruby
13 11 (25.00%) PostgreSQL
13 11 (25.00%) Red Hat Enterprise Linux
13 11 (25.00%) Hyper-V
13 11 (25.00%) Windows
13 11 (25.00%) PHP

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 15 (34.09%) Apache
2 8 (18.18%) nginx
3 5 (11.36%) IIS
3 5 (11.36%) Skype for Business
4 4 (9.09%) Zimbra
5 3 (6.82%) OpenStack
Business Applications
1 4 (9.09%) Cisco SocialMiner
Cloud Services
1 19 (43.18%) AWS
2 5 (11.36%) Azure
2 5 (11.36%) GCP
2 5 (11.36%) SaaS
3 3 (6.82%) AWS CloudFormation
Communications & Networking
1 20 (45.45%) Firewall
2 18 (40.91%) VPN
3 17 (38.64%) DNS
4 9 (20.45%) DHCP
5 8 (18.18%) Internet
5 8 (18.18%) SSH
5 8 (18.18%) TCP/IP
5 8 (18.18%) Wireshark
6 6 (13.64%) BGP
6 6 (13.64%) MPLS
6 6 (13.64%) OSPF
7 5 (11.36%) Network Security
7 5 (11.36%) Skype
7 5 (11.36%) VLAN
7 5 (11.36%) VoIP
8 4 (9.09%) Asterisk PBX
8 4 (9.09%) Cisco ICM
8 4 (9.09%) GPON
8 4 (9.09%) VXLAN
8 4 (9.09%) Wireless
Database & Business Intelligence
1 16 (36.36%) MySQL
2 11 (25.00%) PostgreSQL
3 8 (18.18%) MongoDB
3 8 (18.18%) Redis
4 3 (6.82%) Amazon DynamoDB
Development Applications
1 4 (9.09%) VSS/SourceSafe
2 1 (2.27%) Git (software)
General
1 4 (9.09%) Legal
2 2 (4.55%) Finance
Job Titles
1 21 (47.73%) Administrator
2 15 (34.09%) Linux Administrator
3 12 (27.27%) Systems Administrator
4 8 (18.18%) Support Engineer
5 7 (15.91%) Applications Engineer
5 7 (15.91%) Applications Support
5 7 (15.91%) Applications Support Engineer
5 7 (15.91%) Infrastructure Engineer
5 7 (15.91%) Linux Engineer
5 7 (15.91%) Linux Systems Administrator
6 6 (13.64%) Network Engineer
6 6 (13.64%) Security Engineer
7 5 (11.36%) Graduate
7 5 (11.36%) Graduate Infrastructure Engineer
7 5 (11.36%) Graduate Systems Administrator
7 5 (11.36%) Graduate Systems Engineer
7 5 (11.36%) Senior Linux Administrator
7 5 (11.36%) Senior Linux Systems Administrator
7 5 (11.36%) Senior Systems Administrator
7 5 (11.36%) Systems Engineer
Libraries, Frameworks & Software Standards
1 7 (15.91%) LDAP
2 6 (13.64%) LAMP
3 2 (4.55%) LAPP Stack
3 2 (4.55%) Middleware
3 2 (4.55%) Web Services
Miscellaneous
1 8 (18.18%) Linux Command Line
2 4 (9.09%) Algorithms
2 4 (9.09%) Data Centre
2 4 (9.09%) IVR
3 2 (4.55%) Hedge funds
4 1 (2.27%) Cloud Native
Operating Systems
1 32 (72.73%) Linux
2 16 (36.36%) CentOS
3 12 (27.27%) Debian
3 12 (27.27%) Ubuntu
3 12 (27.27%) Unix
4 11 (25.00%) Red Hat Enterprise Linux
4 11 (25.00%) Windows
5 5 (11.36%) VMS
5 5 (11.36%) Windows Server
6 3 (6.82%) Fedora
7 2 (4.55%) FreeNAS
7 2 (4.55%) Mac OS X
Processes & Methodologies
1 15 (34.09%) DevOps
2 13 (29.55%) Infrastructure Engineering
3 12 (27.27%) ITIL
4 5 (11.36%) High Availability
4 5 (11.36%) Load Balancing
4 5 (11.36%) Mentoring
4 5 (11.36%) Performance Tuning
4 5 (11.36%) Problem-Solving
4 5 (11.36%) Tech Ops
5 4 (9.09%) Cisco ICM Scripting
5 4 (9.09%) ITIL V3
5 4 (9.09%) Kalman Filter
5 4 (9.09%) Low Latency
6 3 (6.82%) Cybersecurity
6 3 (6.82%) Fintech
6 3 (6.82%) Infrastructure as Code
6 3 (6.82%) Microservices
6 3 (6.82%) Task Automation
6 3 (6.82%) Virtual Environments
7 2 (4.55%) Strategic Roadmap
Programming Languages
1 27 (61.36%) Python
2 19 (43.18%) Bash Shell
3 12 (27.27%) Ruby
4 11 (25.00%) PHP
5 10 (22.73%) Go
5 10 (22.73%) Perl
6 7 (15.91%) Shell Script
7 5 (11.36%) PowerShell
7 5 (11.36%) SQL
8 2 (4.55%) Java
Qualifications
1 16 (36.36%) Degree
2 6 (13.64%) RHCE
3 5 (11.36%) Computer Science Degree
3 5 (11.36%) DBS Check
3 5 (11.36%) Security Cleared
4 2 (4.55%) ITIL Foundation Certificate
4 2 (4.55%) LPIC
Quality Assurance & Compliance
1 2 (4.55%) ISO/IEC 27001
1 2 (4.55%) SLA
System Software
1 18 (40.91%) Docker
2 17 (38.64%) VMware Infrastructure
3 11 (25.00%) Hyper-V
4 10 (22.73%) Xen
5 9 (20.45%) VMware ESXi
6 7 (15.91%) KVM
7 5 (11.36%) Active Directory
7 5 (11.36%) Postfix
7 5 (11.36%) Virtual Machines
7 5 (11.36%) VirtualBox
8 4 (9.09%) NFS
8 4 (9.09%) Samba
8 4 (9.09%) VMware Server
9 3 (6.82%) pfSense
9 3 (6.82%) vSphere
10 2 (4.55%) Squid
Systems Management
1 25 (56.82%) Nagios
2 16 (36.36%) Puppet
2 16 (36.36%) ZABBIX
3 11 (25.00%) Ansible
3 11 (25.00%) Kubernetes
4 5 (11.36%) Graphite
4 5 (11.36%) HAProxy
4 5 (11.36%) Kibana
4 5 (11.36%) Mesos
5 4 (9.09%) Cisco CUCM
5 4 (9.09%) Cisco UCCE
5 4 (9.09%) Cisco UCCX
5 4 (9.09%) Munin
5 4 (9.09%) vCenter Server
5 4 (9.09%) vMotion
6 3 (6.82%) FreeIPA
6 3 (6.82%) SELinux
6 3 (6.82%) Terraform
7 2 (4.55%) Ganglia
7 2 (4.55%) Nessus
Vendors
1 17 (38.64%) VMware
2 14 (31.82%) Red Hat
3 7 (15.91%) Cisco
3 7 (15.91%) Palo Alto
4 6 (13.64%) SaltStack
5 5 (11.36%) Centreon
5 5 (11.36%) Google
5 5 (11.36%) Microsoft
6 4 (9.09%) Clearswift
6 4 (9.09%) F5
6 4 (9.09%) ServiceNow
6 4 (9.09%) SolarWinds
7 3 (6.82%) Juniper
7 3 (6.82%) Ubiquiti
8 2 (4.55%) Arista
8 2 (4.55%) Fortinet
8 2 (4.55%) Vyatta
9 1 (2.27%) CheckPoint
9 1 (2.27%) Sun