Investment Banking - Infrastructure Application Support - Linux/Unix/ AWS / IBM WebSphere / ServiceNow What you will be doing: Provide 2nd line production operational support for Linux/UNIX application services, many of which are business critical. Be a point of contact for stakeholder communications for the Service … practices in installing and configuring applications in Test and Production environments. Key Skills / Experience Must have strong experience of supporting critical production applications in a Redhat Enterprise Linux, commandline, environment. Must have strong experience of supporting Applications using Amazon Web Services (AWS). Experience of supporting IBM WebSphere MQ More ❯
Trading Systems Engineersare the front line of Markets FX client services working with clients on a day-to-day basis.We provide mission critical systems for foreign exchange and Trading Systems Engineers ensure those systems are functioning at 100% availability.TSEs provide hands-on system operation, answer questions, support in-house teams, troubleshoot problems, perform upgrades and anything else … at client sites, including support teams, system administrators, developers and traders. Required Skills, Experience and Qualifications: Technically oriented, and literate in common operating systems such as UNIX and LinuxUnix and Linuxcommandline experience required. Proven experience in providing support for trading applications. Database knowledge More ❯
is a plus. Diagnostics : Skilled with Event Viewer, IIS Manager, SQL Server Management Studio, Linuxcommandline tooling, and container CLI utilities (kubectl, docker). Minimum Education Requirements: Bachelor's degree in Computer Science, Information Systems, or equivalent experience. Minimum Experience Requirements: 4+ years in technical support or application engineering roles. More ❯
hire Java engineers with no Kotlin experience. PKI and other cryptographic knowledge. Experience supporting systems in production. Investigating and diagnosing issues for internal or external customers. Experience of Linux, shell scripting or other scripting languages, Linuxcommandline tools, TCP / IP networking. More ❯
Golang), and willingness to learn more. Excellent troubleshooting skills and the ability to recognise, measure, and mitigate risk. Experience with Agile SDLC methodologies and practices. Comfortable using the Linuxcommandline in everyday work. Interest in implementing, integrating, and maintaining observability systems and processes. Experience with CI / CD methodologies and More ❯
Demonstrable understanding of Java, Spring / Spring Boot, Maven and SQL Familiarity with distributed messaging and communications technologies for ensuring reliable and efficient data exchange Practised user of Linuxcommandline and scripting, especially in the context of troubleshooting and support work Proven ability to handle complex changes, and address impediments More ❯
maintains GUI tools and backend servers that provi d e vital functionality for our dealers and other teams. We're a full-stack team with Windows app s, Linux servers, and web-based apps in our portfolio. Your role in the Team's Success You'll play a critical role in a small team where you'll … needs What you'll need for this role Demonstrable understanding of modern C++, including STL, OOD / OOP and C++ 11 / 14 / 17+ Practised user of LINUXcommandline and scripting. Take ownership of the design, implementation of a feature or component and deliver a well-tested solution. Flexible More ❯
involves directly contributing to the fight against cyber criminals. Joining a team of like-minded individuals with one goal - eradicating cybercrime one phishing attack at a time. Your Linuxcommandline, scripting, and debugging knowledge will be your tools. The tools you use daily to keep cybercriminals at bay include: Working More ❯
Infrastructure Automation Engineer - Linux - Python / Perl - HTTP - SSL - Web - Load Balancing / F5 Contract - 12 months Hybrid working 3 days in London Leading Financial Services client is looking for an Infrastructure Specialist to join their team on a contract basis. The team is also responsible for integrating load-balancer components into their centralized self-service configuration … required: Infrastructure automation and integration experience using Perl, Python and / or Shell Scripting languages, as well as Ansible or Terraform tools O / S and networking concepts: Linux/Unix system administration, TCP / IP, HTTP, SSL and other related protocols Strong analytical and troubleshooting skills in a fast-paced enterprise environment Comfortable working with … a Linux-based commandline Working knowledge of F5 or A10 load-balancer configuration and APIs (F5's iControl and iRules or A10 axAPI and aflex rules) Experience with distributed web applications and working knowledge of their underlying infrastructure components If this is of interest and you have the required skills More ❯
with messaging systems. Foundational IT Knowledge: You have a solid grasp of fundamental networking principles (TCP / IP, DNS, firewalls, load balancers, etc), operating systems (both Windows and Linux server environments), and core programming concepts. Linux User Proficiency: You are comfortable working with Linux operating systems at the user level, including … navigating the file system, utilizing command-line tools for basic system administration and log analysis. Your Soft Skills Analytical and Problem-Solving Abilities: You have good analytical skills with the ability to effectively collect, organize, and interpret technical information from various sources. You can derive meaningful insights from complex data, identify root causes of … support experience. Bonus Points Cloud Platform Experience: Experience working with and supporting applications deployed on major cloud platforms such as AWS, Azure, or GCP is highly desirable. Advanced Linux Administration Skills: Familiarity with Linux system administration tasks, including package management, service configuration, performance monitoring, and basic scripting, is a significant advantage. Containerization Technologies: Experience More ❯
business goals. Troubleshoot complex infrastructure issues in high-pressure enterprise settings. Propose improvements for performance and stability at both code and configuration levels. Essential Skills Strong foundation in Linux/Unix system administration and networking protocols such as TCP / IP, HTTP, and SSL. Scripting and automation experience using Python, Perl, and shell, alongside tools like … Ansible or Terraform. Proficient with Linuxcommand-line tools. Strong troubleshooting and analytical capabilities. Excellent communication skills for engaging with stakeholders and technical teams. Desired Skills Experience with F5 or A10 load-balancer platforms, including their configuration and APIs (e.g., iControl, iRules, axAPI, aflex). Understanding of distributed web infrastructure and More ❯
business goals. Troubleshoot complex infrastructure issues in high-pressure enterprise settings. Propose improvements for performance and stability at both code and configuration levels. Essential Skills Strong foundation in Linux/Unix system administration and networking protocols such as TCP / IP, HTTP, and SSL. Scripting and automation experience using Python, Perl, and shell, alongside tools like … Ansible or Terraform. Proficient with Linuxcommand-line tools. Strong troubleshooting and analytical capabilities. Excellent communication skills for engaging with stakeholders and technical teams. Desired Skills Experience with F5 or A10 load-balancer platforms, including their configuration and APIs (e.g., iControl, iRules, axAPI, aflex). Understanding of distributed web infrastructure and More ❯
in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/ Windows commandline (Bash, PowerShell) Monitoring: Grafana, Prometheus, ELK, Splunk Agile working and tooling (e.g., Jira, Confluence) Diagnosing and resolving complex More ❯
in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/ Windows commandline (Bash, PowerShell) Monitoring: Grafana, Prometheus, ELK, Splunk Agile working and tooling (e.g., Jira, Confluence) Diagnosing and resolving complex More ❯
part of our culture. When we feel supported in the workplace and at home, there's nothing we can't achieve in the cloud. BASIC QUALIFICATIONS - Familiarity with Linux, using the commandline and basic administration, and computer networking fundamentals - Able to troubleshoot at all levels, from network to operating systems More ❯
experience in software development or related field with proficiency in at least one modern programming language such as Java, Typescript, Python, or Ruby - 3+ years of experience with Linux, using the commandline and basic administration, and computer networking fundamentals - Able to troubleshoot at all levels, from network to operating systems More ❯
US Central Time. Ability to attend daily standups at 11:00 am US Central Time. Willingness to learn and work with a large legacy codebase. Nice to Have Linux or macOS command-line skills, including zshell or bash. Experience building consumer software products. Focus on user experience. Personal Attributes Passion for More ❯
to log in to switches, perform basic configurations, diagnostics, and packet-level troubleshooting Familiarity with server hardware components such as NICs, SSDs, GPUs, FPGAs, and transceivers Exposure to Linux systems (commandline and basic performance / debug tools) Ability to operate independently in high-pressure environments, manage competing priorities, and travel More ❯
analytical skills to identify and address security vulnerabilities. Ability to work under pressure and respond quickly to security incidents or emerging threats. Proficiency with operating systems (e.g., Windows, Linux) and command-line interfaces. Must have proficiency in programming / scripting languages such as PowerShell (preferred), Python, Perl, etc. Strong understanding of More ❯
experience in software development or related field with proficiency in at least one modern programming language such as Java, Typescript, Python, or Ruby - 3+ years of experience with Linux, using the commandline and basic administration, and computer networking fundamentals - Able to troubleshoot at all levels, from network to operating systems More ❯
Maintain and optimize legacy code while driving continuous improvements and automation. Contribute to system architecture and participate in code reviews and technical discussions. Deploy and monitor services on Linux environments , ensuring stability and low-latency performance. Qualifications Must-Have Experience & Skills: 10+ years of professional software development experience, with a strong emphasis on Python. Proven track record … working within Foreign Exchange (FX) or broader e-trading environments. Deep understanding of market data, pricing models, trade flows, and risk management within FX. Strong command-line and scripting skills in Linux/Unix environments. Excellent understanding of software design principles, testing, and DevOps best practices. Desirable Skills & Exposure: Experience More ❯
in deep learning, machine learning, and data science. Proficiency in coding and software development, with a strong focus on machine learning frameworks. Experience in Python, or another language; commandline usage; familiarity with Linux and AWS ecosystems. Understanding of relevant statistical measures such as confidence intervals, significance of error measurements, development More ❯
/ CISO). The environment Low Latency Trading - Rates and Cross Markets, domain specific technology is required (solid knowledge for as many of the following as possible): Compute (Linux - O.S., Tuning, kernel bypass technologies, core dump analysis) Network (R&S, cut-through, Multicast, SDN, BGP, L1-L3, PCAP analysis) HW (Server, FPGA, GPU, DPU, Memory, over clocking … Market Data (Bloomberg, Reuters, RAW Consolidated Feeds) Skills & Experience Systems Architecture experience in a Low Latency etrading Trading environment Deep knowledge of operating system fundamentals - hyper focus on Linux (REL, CoreOS) Understanding of OSI model and TCP and UDP network protocols Experience with Python and data libraries Fluency with the Unixcommandline and shell scripting Practical experience with modern Linux systems and systems programming concepts like C, IPC mechanisms, virtual memory, and process life cycle Strong troubleshooting skills and knowledge of profiling / debugging tools such as gdb, perf, DTrace, SystemTap Can understand, interpret, and improve application performance via system tuning Thorough understanding of modern computer More ❯
/ CISO). The environment Low Latency Trading - Rates and Cross Markets, domain specific technology is required (solid knowledge for as many of the following as possible): Compute (Linux - O.S., Tuning, kernel bypass technologies, core dump analysis) Network (R&S, cut-through, Multicast, SDN, BGP, L1-L3, PCAP analysis) HW (Server, FPGA, GPU, DPU, Memory, over clocking … Market Data (Bloomberg, Reuters, RAW | Consolidated Feeds) Skills & Experience Systems Architecture experience in a Low Latency etrading Trading environment Deep knowledge of operating system fundamentals - hyper focus on Linux (REL, CoreOS) Understanding of OSI model and TCP and UDP network protocols Experience with Python and data libraries Fluency with the Unixcommandline and shell scripting Practical experience with modern Linux systems and systems programming concepts like C, IPC mechanisms, virtual memory, and process life cycle Strong troubleshooting skills and knowledge of profiling / debugging tools such as gdb, perf, DTrace, SystemTap Can understand, interpret, and improve application performance via system tuning Thorough understanding of modern computer More ❯
Full Stack Support Engineer (Ruby on Rails, TypeScript / JS, React, Postgres, Linux) Fully Remote (European time zones only) | Full-Time | Up To £80k / $100k per year DOE About Carebit Carebit is a young, design-led healthcare technology company helping over 1500 private Doctors across the UK run their practices more effectively and efficiently with our … What We’re Looking For: Strong experience with Ruby on Rails (Rails 7, Ruby 3.4). Proficiency with React, TypeScript / JavaScript, and PostgreSQL. Comfort working in a Linux-based environment (AWS ECS, commandline). Great debugging and troubleshooting skills – you enjoy getting to the root of problems. Fluent, friendly More ❯
