22 of 22 DemandTrendPermanent Performance Tuning Jobs in the City of London

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance … virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure. •Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines. •Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable More ❯

Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance … virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure. •Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines. •Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable More ❯

and scalable ready to meet the demands of a growing user base and a regulated environment. Drive Technical Excellence: Set and maintain high standards for code quality, testing, system performance, and engineering practices. Influence Without Authority: Provide technical direction across teams, help navigate complexity, and drive alignment on architectural decisions. Mentor and Support: Partner with engineering managers to mentor … or GCP), and event-driven design. Strong programming ability in one or more languages (e.g. TypeScript, Node.js, Python, Go, Java). Experience with DevOps practices, CI/CD pipelines, performance tuning, and monitoring tools. Solid database knowledge (SQL & NoSQL) and the judgment to choose the right tool for the job. Strong communication and stakeholder engagement skills; comfortable working More ❯

and scalable ready to meet the demands of a growing user base and a regulated environment. Drive Technical Excellence: Set and maintain high standards for code quality, testing, system performance, and engineering practices. Influence Without Authority: Provide technical direction across teams, help navigate complexity, and drive alignment on architectural decisions. Mentor and Support: Partner with engineering managers to mentor … or GCP), and event-driven design. Strong programming ability in one or more languages (e.g. TypeScript, Node.js, Python, Go, Java). Experience with DevOps practices, CI/CD pipelines, performance tuning, and monitoring tools. Solid database knowledge (SQL & NoSQL) and the judgment to choose the right tool for the job. Strong communication and stakeholder engagement skills; comfortable working More ❯

automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system … issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving More ❯

automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system … issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving More ❯

a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries. In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring. This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and … technology. The Role: *Owning React application reliability, observability, and performance in production environments *Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks *Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry) *Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and More ❯

AWS is a plus Strong proficiency in Core Java, including Collections, Concurrency, and Memory Management. Proficient in version control systems such as Git, GitLab, or Bitbucket. Strong background in performance tuning, profiling, and resolving production issues in distributed systems. Working knowledge of Agile methodologies and collaborative development practices If you are interested in this position and would like More ❯

AWS is a plus Strong proficiency in Core Java, including Collections, Concurrency, and Memory Management. Proficient in version control systems such as Git, GitLab, or Bitbucket. Strong background in performance tuning, profiling, and resolving production issues in distributed systems. Working knowledge of Agile methodologies and collaborative development practices If you are interested in this position and would like More ❯

openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯

openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯

automate business processes. Integrate Power Apps with various data sources using standard and premium connectors and develop custom connectors if necessary Implement security measures for Power platform solutions Perform performance tuning and optimization of Power Platform solutions Participate in the deployment of Power Platform solutions to higher environments (QA, UAT, Production) Implement and enhance robust ALM process for More ❯

law firm is seeking an experienced Applications Operations Analyst to join its London office. This is a fantastic opportunity to play a key role in maintaining and improving the performance, security, and reliability of enterprise applications across a dynamic and fast-paced professional services environment. Reporting to the Manager of Applications Operations, the successful candidate will be responsible for … patching, monitoring, and troubleshooting, while also contributing to process improvement, documentation, and integration stability. The role involves close collaboration with infrastructure, security, and business teams to ensure seamless application performance and user experience. Key Responsibilities: Perform system maintenance, patching, and upgrades in line with change management procedures Monitor application health and performance, proactively resolving issues Manage user access … base articles Identify opportunities for automation and process optimisation Track and report on KPIs, system uptime, and user engagement metrics Collaborate with cross-functional teams to support scalability and performance tuning Ideal Candidate Profile: 3+ years of experience in enterprise application support or IT operations Strong troubleshooting and analytical skills Familiarity with ITSM platforms (e.g., ServiceNow) and monitoring More ❯

law firm is seeking an experienced Applications Operations Analyst to join its London office. This is a fantastic opportunity to play a key role in maintaining and improving the performance, security, and reliability of enterprise applications across a dynamic and fast-paced professional services environment. Reporting to the Manager of Applications Operations, the successful candidate will be responsible for … patching, monitoring, and troubleshooting, while also contributing to process improvement, documentation, and integration stability. The role involves close collaboration with infrastructure, security, and business teams to ensure seamless application performance and user experience. Key Responsibilities: Perform system maintenance, patching, and upgrades in line with change management procedures Monitor application health and performance, proactively resolving issues Manage user access … base articles Identify opportunities for automation and process optimisation Track and report on KPIs, system uptime, and user engagement metrics Collaborate with cross-functional teams to support scalability and performance tuning Ideal Candidate Profile: 3+ years of experience in enterprise application support or IT operations Strong troubleshooting and analytical skills Familiarity with ITSM platforms (e.g., ServiceNow) and monitoring More ❯

A leading investment bank in Canary Wharf is seeking an experienced eFX Tech Lead to drive the design and enhancement of high-performance FX pricing and hedging systems. This is an excellent opportunity for a hands-on technologist to combine coding with leadership, delivering innovation in a fast-paced trading environment. Youll work closely with traders, quants, and global … latency pricing platforms (ideally C# or Java) Leadership experience managing and mentoring technical teams Strong C#/.NET skills (C++ a plus) with experience in multithreading, optimisation, and networking performance tuning Familiarity with trading connectivity protocols (e.g. FIX/SBE) and back-testing frameworks Knowledge of FX cash and NDF products, and experience with Windows or Linux in More ❯

meaningful challenges. What We’re Looking For: 3+ years of data engineering experience. Strong cloud engineering background. Deep understanding of modern data architecture, including robust SQL skills and database performance tuning. Experienced in orchestrating complex data workflows to manage scheduling, dependencies, and data quality in ELT/ETL pipelines. Familiarity with modern data warehouses and experience with orchestration tools. More ❯

meaningful challenges. What We’re Looking For: 3+ years of data engineering experience. Strong cloud engineering background. Deep understanding of modern data architecture, including robust SQL skills and database performance tuning. Experienced in orchestrating complex data workflows to manage scheduling, dependencies, and data quality in ELT/ETL pipelines. Familiarity with modern data warehouses and experience with orchestration tools. More ❯

clients and sectors. You’ll work closely with technical squads, internal teams, and partners to build and scale a modern data capability —with a clear mandate to influence architecture, performance, security, and cost optimisation across the board. This is not a pure delivery or line management role — it’s for someone who wants to build IP , define methodology, coach … Define and lead Snowflake best practice across clients and internal teams ✅ Build repeatable assets, patterns, and frameworks (with an eye on reusability + commercial value) ✅ Guide squads on architecture, performance tuning, security, cost management ✅ Be the go-to Snowflake SME for our internal teams, partners, and clients ✅ Shape our internal Snowflake playbook and CoE vision You should have More ❯

standardization Build and manage CI/CD pipelines with Jenkins, GitHub Actions, or AWS Code Pipeline Perform administrative and troubleshooting tasks on Linux-based systems, including log analysis and performance tuning. Lead technical triage and root cause analysis for infrastructure-related issues Develop and deploy applications using Docker and AWS FARGATE Use CloudWatch, CloudTrail, and third-party tools like … Datadog for performance and cost efficiency Configure AWS networking (VPCs, TGWs), enforce governance via AWS Config and tagging policies Maintain architecture diagrams, SOPs, and collaborate across engineering and product teams Should this role speak to you, kindly send a copy of your latest CV to naushad.c@rpint.com More ❯

In this role you'll take ownership of platform reliability, resilience engineering, and incident management across cutting-edge cloud infrastructure. You'll play a key role in ensuring uptime, performance, and continuous improvement of core systems. The ideal candidate will be an experienced Site Reliability Engineer with a deep background in AWS, Kubernetes (EKS), Terraform, and monitoring/eventing … tools. You'll have a strong grasp of application-level troubleshooting, chaos engineering, and performance tuning. This is a fantastic opportunity to work in a modern DevOps environment where innovation is encouraged, personal development is supported, and technical impact is real. The Role: *Manage and optimise AWS and Kubernetes (EKS) infrastructure *Implement resilience strategies and conduct chaos engineering experiments … Monitor and maintain Kafka clusters for performance and reliability *Respond to and resolve application-level production incidents The Person: *5+ years in SRE, DevOps, or infrastructure engineering *Strong experience with AWS, EKS/Kubernetes, and Terraform *Familiar with Kafka and observability tools like Datadog or Grafana *Able to troubleshoot issues across infrastructure and application layers Reference number: BBBH(phone More ❯