19 of 19 Permanent Unix Jobs in London

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacity management , performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. Excellent communication and collaboration skills. Nice to Have: Experience ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker or Kubernetes. Experience in managing and deploying services in Linux/Unix environments. Strong analytical and problem-solving skills, with a keen attention to detail and an ability to thrive under pressure. Fluency in English is required. ...

Senior DevOps Engineer (Ref: 194693)

Hiring Organisation
Forsyth Barnes
Location
City of London, London, United Kingdom
background in DevOps practices, tooling, and automation. Proven experience leading DevOps initiatives across development and operations teams. Hands-on experience with Kubernetes, Linux/Unix, and containerised systems. Experience building and operating deployment pipelines and debugging distributed systems. Knowledge of relational databases (SQL) and NoSQL technologies. Familiarity with modern architectures ...

Senior Linux / Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
supporting Oracle Flexcube in a banking environment Solid understanding of financial systems architecture and regulatory environments Advanced SQL and PL/SQL knowledge Strong Unix scripting skills (Bash, Korn) Experience with monitoring and alerting tools (OEM, Nagios or similar) Familiarity with ITIL processes and change management Excellent troubleshooting, communication ...

SC Cleared AWS DevOps Engineer

Hiring Organisation
ECS Resource Group
Location
London, UK
Employment Type
Full-time
GitLab Active SC Clearance (essential, candidates without this will not be considered) Additional experience with: Infrastructure as Code Monitoring and security best practices Unix/Linux environments APIs ...

Junior C++ Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
June 2026) Strong programming capability in C++ and Python Solid foundations in data structures, algorithms, and operating systems Comfortable working in Linux/Unix environments A strong focus on writing clean, efficient, and maintainable code Excellent analytical thinking and problem-solving ability Clear communicator with the ability to collaborate effectively ...

PERM GCP Cloud Security Engineer - GCP, AWS, Azure, Python, Bash, IAM, Terraform, Automation

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
innovation without compromising security posture Demonstrated expertise in Infrastructure as Code tooling using Terraform Strong knowledge and experience in a variety of technologies including UNIX, Networking, Databases, and Storage. Strong knowledge of Information security controls. Knowledge of software development security and cryptography, AI security. CISSP/CCSK or GCP security ...

Senior C++ Developer, London

Hiring Organisation
IT Search & Select
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £95,000 per annum
+ with a minimum of 8 years plus full time experience Multi-threading - 8 years plus experience Cross platform experience - Windows or Linux or Unix Networked application development, sockets and TCP/IP Your Background Mark sector not relevant. You will be assessed purely on your C++ skills and your ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
implement robust, scalable, and efficient solutions. Required Skills and Experience: Minimum 6+ years of server-side development experience in C++ , preferably on Linux/UNIX platforms. Strong understanding of C++ Standard Template Library (STL) , data structures , and multi-threading . Proven experience in using design patterns and a strong grasp ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent, Contract
implement robust, scalable, and efficient solutions. Required Skills and Experience: Minimum 6+ years of server-side development experience in C++ , preferably on Linux/UNIX platforms. Strong understanding of C++ Standard Template Library (STL) , data structures , and multi-threading . Proven experience in using design patterns and a strong grasp ...

Site Reliability Engineer

Hiring Organisation
Global Fintech
Location
City of London, London, United Kingdom
Skills: 5+ years of combined experience in Support, DevOps, SRE, or related technical roles, ideally within financial technology environments. Strong technical expertise with Python, Unix, PostgreSQL, and familiarity with Kafka, CockroachDB, FastAPI, GraphQL, Snowflake, Redis, and QuestDB or equivalent technologies. Proven experience designing and implementing monitoring and alerting tools (DataDog ...

SOC Analyst

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
where appropriate What We're Looking For 2+ years' experience in cyber security, ideally incident response Strong communication skills Experience across Windows, Linux/Unix, and macOS Knowledge of incident response frameworks and best practices Previous experience working for a consultancy Nice to Have Certifications (AZ-500, SC-200, CySA+ ...

Application Support Engineer

Hiring Organisation
CMC Markets
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
genuine passion for technology 5+ years’ experience in an IT or application support environment 2+ years’ experience working with Red Hat Linux (or other Unix variants), including scripting 2+ years’ experience supporting applications such as Java, .NET, Apache or IIS Desirable: Experience within the financial services or trading environment Knowledge ...

Java/ kdb Developer

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
including the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data ...

Cyber Security Analyst

Hiring Organisation
Oliver James
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
qualification(s). Working experience with cloud-based applications Desirable Knowledge Firewalls, Web Proxy, SIEM, Vulnerability Scanners, Data Security Analysis Intel plus Linux/UNIX knowledge/experience Azure & Active Directory Basic SQL knowledge Project management and risk management techniques Desirable Skills Planning and Implementation Communicator Analysis Diligence Interpersonal Self ...

Senior Frontend Developer (Nextjs)

Hiring Organisation
Homeflow
Location
South London, UK
Employment Type
Full-time
understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone who is continuously learning about new technologies Excellent (Unix/Linux) command-line skills People who thrive in this role at Homeflow are great problem solvers who like to get their head down ...

Software Engineers C++

Hiring Organisation
Lynx Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
systems programming (networking protocols, TCP/IP, multithreading, memory management) Low-level programming experience (embedded systems, device drivers, bare-metal) Familiarity with Linux/Unix environments Understanding of security principles OpenGL, real-time systems, or performance optimization experience Company Culture: Graduate-focused team composed almost entirely of recent graduates Values ...

RF Design Engineer

Hiring Organisation
Lynx Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
systems programming (networking protocols, TCP/IP, multithreading, memory management) Low-level programming experience (embedded systems, device drivers, bare-metal) Familiarity with Linux/Unix environments Understanding of security principles OpenGL, real-time systems, or performance optimization experience Company Culture: Graduate-focused team composed almost entirely of recent graduates Values ...

TechOps Analyst, Equities

Hiring Organisation
ARC IT Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
contribution to a follow-the-sun model. Key Requirements: TechOps/Production Engineering/SRE experience supporting equities trade floor. FIX protocol experience. Unix experience. Practical understanding of market microstructure, exchange connectivity, and TCA/controls. Composed, commercially aware communicator with traders and senior leadership. Package & set-up Competitive base ...