Unix Jobs in the City of London

Unix
Central London > City of London

The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring Unix skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Unix over the 6 months leading up to 16 July 2025, comparing them to the same period in the previous two years.

6 months to
16 Jul 2025
Same period 2024 Same period 2023
Rank 115 159 128
Rank change year-on-year +44 -31 +8
Permanent jobs citing Unix 24 15 100
As % of all permanent jobs advertised in the City of London 1.23% 0.46% 2.24%
As % of the Operating Systems category 8.16% 3.33% 12.12%
Number of salaries quoted 15 7 86
10th Percentile £35,200 £54,250 £50,625
25th Percentile £63,000 £63,750 £63,438
Median annual salary (50th Percentile) £70,000 £67,500 £85,000
Median % change year-on-year +3.70% -20.59% +6.25%
75th Percentile £82,500 £102,500 £112,500
90th Percentile £85,500 £121,500 £130,000
Central London median annual salary £70,000 £67,500 £85,000
% change year-on-year +3.70% -20.59% +6.25%

All Operating Systems
City of London

Unix falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring operating system skills in the City of London.

Permanent vacancies with a requirement for operating system skills 294 451 825
As % of all permanent jobs advertised in the City of London 15.10% 13.95% 18.44%
Number of salaries quoted 262 358 681
10th Percentile £36,025 £35,000 £31,250
25th Percentile £42,500 £46,250 £41,875
Median annual salary (50th Percentile) £55,000 £60,000 £62,500
Median % change year-on-year -8.33% -4.00% -7.41%
75th Percentile £77,500 £83,750 £87,500
90th Percentile £96,250 £106,250 £110,000
Central London median annual salary £57,500 £57,500 £62,500
% change year-on-year - -8.00% -3.85%

Unix
Job Vacancy Trend in the City of London

Job postings citing Unix as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Unix in the City of London

Unix
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Unix in the City of London.

Salary trend for Unix in the City of London

Unix
Salary Histogram in the City of London

Salary distribution for jobs citing Unix in the City of London over the 6 months to 16 July 2025.

Salary histogram for Unix in the City of London

Unix
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (16.67%) Microsoft Exchange
2 1 (4.17%) Apache Spark
Applications
1 5 (20.83%) Microsoft Excel
2 3 (12.50%) Microsoft Office
Cloud Services
1 3 (12.50%) AWS
2 2 (8.33%) Pulumi
3 1 (4.17%) Amazon EKS
3 1 (4.17%) Amazon ELB
3 1 (4.17%) Amazon S3
3 1 (4.17%) Azure
3 1 (4.17%) Entra ID
3 1 (4.17%) Microsoft 365
3 1 (4.17%) OpenShift
Communications & Networking
1 2 (8.33%) Broadband
1 2 (8.33%) Telnet
2 1 (4.17%) Firewall
2 1 (4.17%) LAN
2 1 (4.17%) TCP/IP
2 1 (4.17%) VoIP
2 1 (4.17%) WAN
Database & Business Intelligence
1 8 (33.33%) Relational Database
2 4 (16.67%) SQL Server
3 3 (12.50%) ClickHouse
4 2 (8.33%) KDB
4 2 (8.33%) Kdb+
4 2 (8.33%) NoSQL
4 2 (8.33%) RDBMS
5 1 (4.17%) Delta Lake
5 1 (4.17%) DynamoDB
5 1 (4.17%) Metadata
5 1 (4.17%) NonStop SQL
5 1 (4.17%) Spark SQL
Development Applications
1 7 (29.17%) Git
2 3 (12.50%) Jenkins
3 2 (8.33%) Jaeger
4 1 (4.17%) MLflow
General
1 16 (66.67%) Finance
2 13 (54.17%) Banking
3 12 (50.00%) Social Skills
4 6 (25.00%) Inclusion and Diversity
5 3 (12.50%) Analytical Skills
6 2 (8.33%) Financial Institution
7 1 (4.17%) Advertising
7 1 (4.17%) Front Office
7 1 (4.17%) Legal
Job Titles
1 11 (45.83%) Analyst
2 6 (25.00%) Support Analyst
3 5 (20.83%) Banking Analyst
4 4 (16.67%) Applications Support
5 3 (12.50%) Applications Support Analyst
5 3 (12.50%) Developer
5 3 (12.50%) Financial Analyst
5 3 (12.50%) Operational Support Analyst
5 3 (12.50%) Operations Analyst
5 3 (12.50%) Operations Support Analyst
5 3 (12.50%) Operations Support Specialist
5 3 (12.50%) SQL Analyst
5 3 (12.50%) SQL Support Analyst
5 3 (12.50%) Support Specialist
6 2 (8.33%) 1st/2nd Line Support
6 2 (8.33%) 2nd Line Support
6 2 (8.33%) 2nd Line Support Analyst
6 2 (8.33%) KDB Developer
6 2 (8.33%) Platform Engineer
6 2 (8.33%) Team Leader
Libraries, Frameworks & Software Standards
1 6 (25.00%) FIX Protocol
2 3 (12.50%) .NET
3 2 (8.33%) Elastic Stack
3 2 (8.33%) OpenTelemetry
3 2 (8.33%) YAML
4 1 (4.17%) Keras
4 1 (4.17%) Lambda Expressions
4 1 (4.17%) Metaflow
4 1 (4.17%) NumPy
4 1 (4.17%) Pandas
4 1 (4.17%) PySpark
4 1 (4.17%) PyTorch
4 1 (4.17%) REST
4 1 (4.17%) scikit-learn
4 1 (4.17%) TensorFlow
Miscellaneous
1 3 (12.50%) Equities
1 3 (12.50%) Foreign Exchange (FX)
1 3 (12.50%) Reference Data
1 3 (12.50%) Self-Motivation
1 3 (12.50%) Video Conferencing
2 2 (8.33%) Fixed Income
2 2 (8.33%) Onboarding
3 1 (4.17%) Algorithms
3 1 (4.17%) Clustering
3 1 (4.17%) Data Centre
3 1 (4.17%) Derivative
3 1 (4.17%) Hybrid Cloud
3 1 (4.17%) Linux Command Line
3 1 (4.17%) PKI
3 1 (4.17%) Tandem
Operating Systems
1 20 (83.33%) Linux
2 8 (33.33%) Windows
3 3 (12.50%) Red Hat Enterprise Linux
4 2 (8.33%) Rocky
4 2 (8.33%) Ubuntu
5 1 (4.17%) Amazon Linux
5 1 (4.17%) CentOS
5 1 (4.17%) Solaris
Processes & Methodologies
1 7 (29.17%) DevOps
1 7 (29.17%) High Availability
2 6 (25.00%) CI/CD
2 6 (25.00%) Problem-Solving
3 5 (20.83%) Performance Optimisation
4 4 (16.67%) Disaster Recovery
4 4 (16.67%) Infrastructure as Code
4 4 (16.67%) Knowledge Transfer
4 4 (16.67%) Migration
5 3 (12.50%) Agile
5 3 (12.50%) Computer Science
5 3 (12.50%) Containerisation
5 3 (12.50%) Customer Service
5 3 (12.50%) Data Modelling
5 3 (12.50%) Data Security
5 3 (12.50%) ETL
5 3 (12.50%) Fintech
5 3 (12.50%) Roadmaps
5 3 (12.50%) Task Automation
5 3 (12.50%) User Acceptance Testing
Programming Languages
1 13 (54.17%) Python
2 12 (50.00%) SQL
3 11 (45.83%) Bash
4 6 (25.00%) Java
5 3 (12.50%) C++
5 3 (12.50%) T-SQL
6 2 (8.33%) Go
6 2 (8.33%) JavaScript
6 2 (8.33%) Perl
6 2 (8.33%) PowerShell
7 1 (4.17%) COBOL
Qualifications
1 4 (16.67%) Degree
2 2 (8.33%) AWS Certification
2 2 (8.33%) Computer Science Degree
System Software
1 3 (12.50%) Docker
2 1 (4.17%) Active Directory
2 1 (4.17%) Virtual Desktop
2 1 (4.17%) XenApp
2 1 (4.17%) XenDesktop
Systems Management
1 7 (29.17%) Ansible
2 5 (20.83%) Grafana
2 5 (20.83%) Prometheus
3 4 (16.67%) Terraform
4 3 (12.50%) Kubernetes
5 2 (8.33%) Argo
5 2 (8.33%) Kustomize
6 1 (4.17%) Kubeflow
6 1 (4.17%) Microsoft Intune
6 1 (4.17%) SCCM
6 1 (4.17%) Single Sign-On
Vendors
1 7 (29.17%) Microsoft
2 3 (12.50%) Oracle
2 3 (12.50%) Red Hat
3 2 (8.33%) Atlassian
3 2 (8.33%) Google
4 1 (4.17%) Citrix
4 1 (4.17%) Databricks