Period
to 17 July 2018

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 July 2018 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
17 Jul 2018
Same period 2017 Same period 2016
Rank 1078 1043 1190
Rank change year-on-year -35 +147 -55
Permanent jobs citing iptables 104 141 105
As % of all permanent IT jobs advertised in the UK 0.059% 0.079% 0.052%
As % of the System Software category 0.41% 0.63% 0.41%
Number of salaries quoted 81 119 71
UK median annual salary £50,000 £57,500 £50,000
Median salary % change year-on-year -13.04% +15.00% -
10th Percentile £33,750 £36,250 £31,250
90th Percentile £87,500 £80,000 £65,000
UK excluding London median annual salary £45,000 £40,000 £50,000
% change year-on-year +12.50% -20.00% +33.33%

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 25,312 22,357 25,371
As % of all permanent IT jobs advertised in the UK 14.40% 12.59% 12.48%
Number of salaries quoted 20,478 18,829 21,501
UK median annual salary £47,500 £43,000 £42,500
Median salary % change year-on-year +10.47% +1.18% +6.25%
10th Percentile £25,000 £23,750 £23,000
90th Percentile £80,000 £75,000 £70,000
UK excluding London median annual salary £42,000 £37,500 £37,500
% change year-on-year +12.00% - -

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 17 July 2018.

Salary histogram for iptables in the UK

iptables
Top 13 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 July 2018. 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 -26 95 £50,000 -13.04% 9
London -2 71 £53,750 -6.52% 3
UK excluding London -17 32 £45,000 +12.50% 6
South East -3 10 £50,000 +11.11% 4
Midlands +21 7 £45,000 +16.13% 1
West Midlands +25 6 - - 1
Scotland - 5 £30,000 -
North of England -2 4 £33,750 -10.00% 1
East of England +6 3 £75,000 +87.50%
Wales - 3 £40,000 -
Yorkshire +6 2 £35,000 -6.67%
North West - 2 £28,750 -
East Midlands -1 1 £45,000 +73.08%

For the 6 months to 17 July 2018, 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 95 (91.35%) Linux
2 52 (50.00%) Red Hat
3 50 (48.08%) Python
4 49 (47.12%) Firewall
4 49 (47.12%) Amazon AWS
5 48 (46.15%) Red Hat Enterprise Linux
6 46 (44.23%) Bash Shell
7 44 (42.31%) CentOS
8 40 (38.46%) Ansible
9 39 (37.50%) Ubuntu
10 38 (36.54%) Perl
11 32 (30.77%) Windows
11 32 (30.77%) Nagios
12 30 (28.85%) Debian
12 30 (28.85%) Open Source
13 28 (26.92%) DNS
14 27 (25.96%) PostgreSQL
14 27 (25.96%) Puppet
15 25 (24.04%) PHP
16 24 (23.08%) Disaster Recovery
16 24 (23.08%) Subversion
17 23 (22.12%) VMware
18 22 (21.15%) VMware Infrastructure
18 22 (21.15%) DevOps
19 21 (20.19%) ZABBIX
19 21 (20.19%) SSH
19 21 (20.19%) LDAP
20 19 (18.27%) Shell Script
20 19 (18.27%) Git (software)
20 19 (18.27%) SolarWinds

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 17 (16.35%) OpenStack
2 15 (14.42%) Apache
3 10 (9.62%) Tomcat
4 7 (6.73%) Elasticsearch
4 7 (6.73%) JBoss
4 7 (6.73%) Oracle Application Server
4 7 (6.73%) Oracle SOA Suite
4 7 (6.73%) WebLogic
4 7 (6.73%) WebSphere
4 7 (6.73%) WebSphere Application Server
5 4 (3.85%) nginx
6 2 (1.92%) CloudStack
7 1 (0.96%) IIS
Business Applications
1 2 (1.92%) Distributed Ledger
Cloud Services
1 49 (47.12%) Amazon AWS
2 7 (6.73%) Cloud Computing
2 7 (6.73%) Heroku
3 6 (5.77%) IaaS
3 6 (5.77%) PaaS
4 4 (3.85%) Amazon CloudWatch
4 4 (3.85%) SaaS
5 3 (2.88%) Amazon S3
5 3 (2.88%) Microsoft Azure
5 3 (2.88%) Route 53
6 2 (1.92%) Amazon EC2
6 2 (1.92%) Amazon ElastiCache
6 2 (1.92%) AWS Lambda
6 2 (1.92%) Cloudflare
6 2 (1.92%) CloudFront
6 2 (1.92%) Serverless
6 2 (1.92%) Virtual Private Cloud
7 1 (0.96%) Datadog
7 1 (0.96%) G Suite
7 1 (0.96%) Google Cloud Platform
Communications & Networking
1 49 (47.12%) Firewall
2 28 (26.92%) DNS
3 21 (20.19%) SSH
4 18 (17.31%) SNMP
5 17 (16.35%) VPN
6 14 (13.46%) BGP
6 14 (13.46%) OSPF
7 13 (12.50%) IGMP
7 13 (12.50%) Junos
7 13 (12.50%) RIP
8 11 (10.58%) Network Security
9 10 (9.62%) VLAN
10 9 (8.65%) HTTP
11 7 (6.73%) IPsec
11 7 (6.73%) VoIP
11 7 (6.73%) Wireshark
12 6 (5.77%) Asterisk PBX
12 6 (5.77%) PBX
12 6 (5.77%) TCP/IP
13 5 (4.81%) IPv4
Database & Business Intelligence
1 27 (25.96%) PostgreSQL
2 18 (17.31%) MySQL
3 12 (11.54%) Redis
4 10 (9.62%) Blockchain
4 10 (9.62%) MongoDB
5 9 (8.65%) Apache Cassandra
6 6 (5.77%) Aerospike
7 4 (3.85%) Amazon RDS
7 4 (3.85%) Big Data
8 2 (1.92%) NoSQL
9 1 (0.96%) MariaDB
9 1 (0.96%) SQL Server
Development Applications
1 24 (23.08%) Subversion
2 19 (18.27%) Git (software)
3 7 (6.73%) Jenkins
3 7 (6.73%) SoapUI
4 5 (4.81%) Phabricator
5 2 (1.92%) Emacs
5 2 (1.92%) TeamCity
6 1 (0.96%) Atlassian Bamboo
6 1 (0.96%) Selenium
General
1 12 (11.54%) Finance
2 7 (6.73%) Games
3 6 (5.77%) Back Office
4 4 (3.85%) Legal
4 4 (3.85%) Telecoms
5 2 (1.92%) Marketing
5 2 (1.92%) Retail
Job Titles
1 49 (47.12%) Administrator
2 42 (40.38%) Linux Administrator
3 35 (33.65%) Systems Administrator
4 32 (30.77%) Linux Systems Administrator
5 23 (22.12%) Linux Engineer
6 15 (14.42%) Senior Systems Administrator
7 13 (12.50%) Senior Linux Administrator
7 13 (12.50%) Senior Linux Systems Administrator
8 11 (10.58%) DevOps Engineer
9 9 (8.65%) Consultant
10 8 (7.69%) Systems Engineer
11 7 (6.73%) Cybersecurity Engineer
11 7 (6.73%) IT Engineer
11 7 (6.73%) Management Consultant
11 7 (6.73%) NOC Engineer
11 7 (6.73%) Security Engineer
11 7 (6.73%) Senior Consultant
12 6 (5.77%) Linux Systems Engineer
12 6 (5.77%) Linux/Unix DevOps
12 6 (5.77%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 21 (20.19%) LDAP
2 17 (16.35%) Web Services
3 16 (15.38%) LAMP
4 10 (9.62%) RabbitMQ
5 9 (8.65%) JSON
5 9 (8.65%) Kafka
5 9 (8.65%) Regular Expression
5 9 (8.65%) REST
5 9 (8.65%) SOAP
5 9 (8.65%) XML
5 9 (8.65%) XSD
5 9 (8.65%) XSLT
6 8 (7.69%) JMS
7 7 (6.73%) LAPP Stack
7 7 (6.73%) TIBCO EMS
7 7 (6.73%) WebSphere MQ
8 5 (4.81%) 802.1X
8 5 (4.81%) ActiveMQ
8 5 (4.81%) FreeSWITCH
9 3 (2.88%) Middleware
Miscellaneous
1 12 (11.54%) Data Centre
1 12 (11.54%) Private Cloud
2 10 (9.62%) Fintech
3 9 (8.65%) Enterprise Software
3 9 (8.65%) Public Cloud
4 6 (5.77%) Spread Betting
5 5 (4.81%) Linux Command Line
5 5 (4.81%) Machine to Machine
5 5 (4.81%) Robotics
6 4 (3.85%) Computer Science
6 4 (3.85%) Management Information System
6 4 (3.85%) Replication
7 2 (1.92%) Clustering
7 2 (1.92%) Self-Motivation
8 1 (0.96%) Driving Licence
8 1 (0.96%) Hedge funds
8 1 (0.96%) Hybrid Cloud
Operating Systems
1 95 (91.35%) Linux
2 48 (46.15%) Red Hat Enterprise Linux
3 44 (42.31%) CentOS
4 39 (37.50%) Ubuntu
5 32 (30.77%) Windows
6 30 (28.85%) Debian
7 14 (13.46%) Unix
8 13 (12.50%) VMS
9 10 (9.62%) FreeNAS
9 10 (9.62%) Solaris
10 7 (6.73%) Amazon Linux
11 2 (1.92%) FreeBSD
11 2 (1.92%) OpenBSD
11 2 (1.92%) VyOS
12 1 (0.96%) Oracle Linux
Processes & Methodologies
1 30 (28.85%) Open Source
2 24 (23.08%) Disaster Recovery
3 22 (21.15%) DevOps
4 18 (17.31%) Microservices
5 17 (16.35%) Change Control
6 16 (15.38%) Configuration Management
7 15 (14.42%) Business Continuity
8 11 (10.58%) Cybersecurity
9 9 (8.65%) Agile Software Development
9 9 (8.65%) API Design
9 9 (8.65%) Cryptography
9 9 (8.65%) Integration Testing
9 9 (8.65%) SOA
10 7 (6.73%) Identity Access Management
10 7 (6.73%) TDD
10 7 (6.73%) TOGAF
10 7 (6.73%) UML
11 6 (5.77%) ITIL
11 6 (5.77%) Low Latency
11 6 (5.77%) User Acceptance Testing
Programming Languages
1 50 (48.08%) Python
2 46 (44.23%) Bash Shell
3 38 (36.54%) Perl
4 25 (24.04%) PHP
5 19 (18.27%) Shell Script
6 15 (14.42%) Ruby
7 9 (8.65%) Java
8 2 (1.92%) C
8 2 (1.92%) Groovy
8 2 (1.92%) Scala
8 2 (1.92%) SQL
Qualifications
1 11 (10.58%) Degree
2 7 (6.73%) Security Cleared
3 6 (5.77%) RHCE
4 4 (3.85%) Computer Science Degree
4 4 (3.85%) ITIL Foundation Certificate
5 2 (1.92%) DV Cleared
Quality Assurance & Compliance
1 8 (7.69%) ISO/IEC 27001
2 7 (6.73%) PCI DSS
System Software
1 22 (21.15%) VMware Infrastructure
2 17 (16.35%) NFS
3 16 (15.38%) QEMU
4 14 (13.46%) KVM
4 14 (13.46%) Virtual Machines
5 12 (11.54%) Docker
6 9 (8.65%) VMware ESXi
7 8 (7.69%) Postfix
8 7 (6.73%) VMware Server
8 7 (6.73%) vSphere
9 5 (4.81%) Dovecot
9 5 (4.81%) VirtualBox
9 5 (4.81%) Xen
10 4 (3.85%) Squid
11 3 (2.88%) Corosync
11 3 (2.88%) Samba
12 2 (1.92%) Ceph
12 2 (1.92%) DRBD
12 2 (1.92%) Virtual Servers
13 1 (0.96%) LXC
Systems Management
1 40 (38.46%) Ansible
2 32 (30.77%) Nagios
3 27 (25.96%) Puppet
4 21 (20.19%) ZABBIX
5 15 (14.42%) Opscode Chef
6 8 (7.69%) Kubernetes
7 6 (5.77%) HAProxy
7 6 (5.77%) SELinux
8 5 (4.81%) Proxmox
9 2 (1.92%) Cacti
9 2 (1.92%) Munin
9 2 (1.92%) Pacemaker
9 2 (1.92%) Red Hat Spacewalk
9 2 (1.92%) Terraform
10 1 (0.96%) CFEngine
10 1 (0.96%) Fail2ban
10 1 (0.96%) Red Hat Satellite
10 1 (0.96%) yum
Vendors
1 52 (50.00%) Red Hat
2 23 (22.12%) VMware
3 19 (18.27%) SolarWinds
4 17 (16.35%) SaltStack
5 12 (11.54%) Oracle
6 10 (9.62%) Google
7 9 (8.65%) Cisco
7 9 (8.65%) Splunk
8 7 (6.73%) Apigee
8 7 (6.73%) CA
8 7 (6.73%) Fiorano
8 7 (6.73%) IBM
8 7 (6.73%) Mashery
8 7 (6.73%) TIBCO
8 7 (6.73%) WSO2
9 6 (5.77%) Capita
10 5 (4.81%) Dell
10 5 (4.81%) HP
10 5 (4.81%) Microsoft
11 2 (1.92%) Percona