City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
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 ❯
extended period of outages Translation of business requirements into a physical model for implementation with a focus on a clear understanding of processing requirements (peak times, # trans etc.), performance, availability, recoverability, and data access methods Consulting with the application teams on both ACF2 and RACF managed database security to ensure appropriate access is provisioned for data access Defining … communication point for development teams as well as completing owned DBA remediation activities, executing internal verification processes, conducting assessments of new feature/function and providing recommendations for use. Performancetuning support and recommendations for database calls, in cooperation with the application development team. Monitoring and addressing items on exception reports to ensure a stable production environment Support … deliverables are complete and correct, and all milestone deliverables dates are met. Position requires in-depth Mainframe DB2 DBA (DB2 on Z/oS) knowledge with a focus on performance tuning. Individual should have minimum of 7-9 years of DB2 DBA experience on z/Os at a single large financial institution. Job stability is a key requirement. More ❯
d via Umbrella Key Responsibilities: * Expert-level knowledge of the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats), with proven experience in architecting, deploying, and managing ELK infrastructure across distributed, high-performance environments. * Strong understanding of index lifecycle management (ILM), shard optimization, and cluster health monitoring to support low latency applications. * Practical and working knowledge of IP networking and data flow … within distributed systems. * Experience integrating ELK with packet capture/analysis tools to enhance observability of real-time systems. * Hands-on expertise in data pipeline creation, ingestion strategies, and performancetuning of Logstash and Beats for scalable telemetry. * Knowledge of Corvil and/or Pico tools is highly beneficial but not essential, particularly for ingesting network telemetry into … disaster recovery configurations for global deployment. * Strong understanding of Linux systems, containers, and cloud-native observability stacks. * Organized, self-driven, and able to manage priorities in a dynamic, high-performance trading environment. More ❯
Excel, and especially SQL Required Qualifications - In Order of ImportanceProficiency in SQLAbility to write and troubleshoot complex queries across large datasets Experience with joins, subqueries, CTEs, window functions, and performancetuning Experience with Reporting Tools (ordered by preference)SAP BusinessObjects - building and maintaining universes, Web Intelligence reports, and dashboards Tableau - creating interactive visualizations, calculated fields, and data blending … Power BI - modeling data with DAX, designing scalable reports and dataflows Preferred/Nice-to-Have ExperienceSupply Chain ReportingFamiliarity with logistics KPIs, inventory metrics, and vendor performance dashboards Finance AnalyticsExposure to budgeting, forecasting, cost-center analysis, and financial reconciliation workflows PAY RANGE AND BENEFITS:$132,000-200,000/year range offered to a successful candidate will be based More ❯
Essential Master's degree in computer science or equivalent knowledge and experience Knowledge Essential An in-depth knowledge of the design goals of required functionality, usability, maintainability, extensibility, resilience, performance, cost-effectiveness and timeliness HL7 (Health Level 7) messaging protocol Experience Essential Experience of managing interfaces in an integration engine Recent relevant experience of developing data-driven applications in … a complex and multi-disciplined environment Recent relevant experience of the full life cycle of applications development - user requirements gathering, system design, programming, testing, performancetuning, training, deployment and support Experience of integration, interfacing development Disclosure and Barring Service Check This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will More ❯
Bradford, Yorkshire, United Kingdom Hybrid / WFH Options
Caraffi Limited
ll Be Doing As a senior technical authority, you'll lead the administration and enhancement of SAP systems across Windows and SUSE Linux environments. You'll ensure high availability, performance, and compliance across SAP HANA, BusinessObjects, and SLT platforms, while supporting Fiori/UI5 and collaborating across infrastructure teams to deliver secure, scalable solutions. Key Responsibilities Maintain and upgrade … SAP systems running on Windows Servers Administer SAP HANA on SUSE Linux Enterprise Server (SLES) including installation, performancetuning, backup/recovery, and troubleshooting Conduct regular health checks , monitor database growth , and perform root cause analysis Support and optimise SAP Fiori/UI5 applications Manage and monitor SAP Landscape Transformation (SLT) for Real Time data replication Administer SAP … BusinessObjects (BO) platforms ensuring high availability and performance Collaborate with network, database, and infrastructure teams for patching and security compliance Contribute to technical governance and continuous improvement across the SAP estate Experience & Skills Required Strong SAP Basis background with hands-on experience across system administration and upgrades Proven expertise in SAP HANA , SLT , BusinessObjects , and Fiori/UI5 Deep More ❯
Mainframe etc and transform it into usable formats. Load structured data into data warehouses or data marts. Collaborate with data analysts, and BI developers to understand data requirements. Conduct performancetuning and optimization of ETL workflows.Troubleshoot and resolve data quality and transformation issues. Document ETL procedures, data mappings, and system architecture. Ensure data privacy, security, and compliance with … failures Equal opportunity Employer We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
You'll Do Build and scale complex, high-performing web applications with Next.js and React Collaborate with design and product to create polished, intuitive, responsive interfaces Drive improvements in performance, accessibility, and scalability across platforms Contribute to architecture decisions, code reviews, and design discussions Champion best practices in frontend engineering, testing, and CI/CD Mentor and support teammates … plus) Strong eye for UI/UX quality and detail Proficiency in TypeScript and modern frontend tooling Experience integrating with APIs and partnering with backend teams Solid knowledge of performancetuning, accessibility, and SEO Great communicator who can collaborate across disciplines Bonus Points Experience with design systems/component libraries (Storybook, Radix, shadcn/ui) Familiarity with Figma More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
models that power clean, consistent metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating within Snowflake environments Advanced experience … on usability, documentation, and data clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performancetuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your CV via the apply link on More ❯
team of developers while remaining actively engaged in technical solutioning and development. Ensure alignment of data models and reports with business KPIs, regulatory requirements, and financial planning processes. Perform performancetuning of large datasets, ensuring efficient queries and faster reporting outputs. Work with cross-functional teams (Finance, IT, Data Governance, Architecture) to ensure end-to-end lifecycle delivery …/4HANA and non-SAP data sources. Should have hands on experience on modeling for FI(GL,AP,AR,AA, and CO) processes. Strong grasp of data governance, lineage, performance optimization, and data security concepts. Proven ability to design and implement end-to-end analytics solutions from requirements gathering to production rollout. Excellent communication and stakeholder management skills. SAP More ❯
multidimensional networks. -Set operational standards for database management, query processing, and data security. -Build and optimize data models, ensuring efficient data workflows and system integration. -Implement and refine system performance across data infrastructure. -Develop data mining models, algorithms, and simulations to optimize business decisions. -Analyze large datasets to uncover trends, support decision-making, and generate insights. -Collaborate with cross … Science, or related field. -Experience with Python software development (or equivalent programming experience). -Background in building custom data models and simulations to optimize business outcomes. -Familiarity with database performancetuning, data pipeline optimization, and system integration. SALARY RANGE: $160,000-190,000 This salary range is an hourly exempt (exempt from overtime) position. Benefits are provided in More ❯
Oak Ridge, Tennessee, United States Hybrid / WFH Options
Mission Services LLC (MSI)
site support, including racking and un-racking network equipment, and manage network infrastructure at remote office sites when necessary. • Monitoring and Optimization: Utilize network management tools like SolarWinds for performancetuning, alerting, and ensuring high availability. • Documentation: Maintain detailed documentation of network configurations, policies, and procedures. • Collaboration: Work closely with cross-functional teams to ensure network alignment with More ❯
and mentoring colleagues. What you’ll do: - Diagnose and resolve 2nd line technical issues across desktops, servers, and end-user devices - Monitor and maintain client IT systems (patching, updates, performancetuning) - Support incident, change, and problem management processes (ITIL-aligned) - Collaborate with Tier 1 & Tier 3 engineers, sharing knowledge and best practice - Provide excellent customer service and build More ❯
GSEC, SSCP, CySA+ Must have experience administering Red Hat Linux based systems Must have scripting experience Qualifications We Prefer: Experience with patching, creating/maintaining RPM package Experience with performancetuning, networking, user management (LDAP), and security hardening Administer, maintain and troubleshoot Atlassian products (Jira, Confluence, BitBucket) Experience with Jenkins automation Configuration of Scanning tools Nessus/McAfee More ❯
Core Network Engineer Job Description: The position is involved with full life-cycle maintenance of a network infrastructure which includes incident response, capacity planning, testing, monitoring, performancetuning, enhancements, and integration of new services. The engineer must have the understanding and ability to implement and troubleshoot Cisco, Juniper, and F5 products and services in a production environment using More ❯
SSCP, CySA+, CND Must have experience administering Red Hat Linux based systems Must have scripting experience Qualifications We Prefer Experience with patching, creating/maintaining RPM packages Experience with performancetuning, networking, user management (LDAP), and security hardening Administer, maintain, and troubleshoot Atlassian products (Jira, Confluence, Bitbucket) Experience with Jenkins automation Configuration of Scanning tools Nessus/McAfee More ❯
government deliver on its promises to our people. We are seeking a highly skilled and experienced DB2 DBA to join our team. Your role will involve overseeing database administration, performancetuning, troubleshooting, and ensuring the availability, integrity, and security of our DB2 databases. This position is on-site, five days a week and candidates must be eligible to More ❯
government deliver on its promises to our people. We are seeking a highly skilled and experienced DB2 DBA to join our team. Your role will involve overseeing database administration, performancetuning, troubleshooting, and ensuring the availability, integrity, and security of our DB2 databases. This position is on-site, five days a week and candidates must be eligible to More ❯
understanding of financial services compliance requirements. Preferred Advanced degree in Computer Science, Engineering, or related field. Cloud architecture certifications (Azure preferred). Background in regulatory reporting, API management, or performance tuning. More ❯
New York, Newyork, Argyll and Bute, United Kingdom
Goodman Masson
understanding of financial services compliance requirements. Preferred Advanced degree in Computer Science, Engineering, or related field. Cloud architecture certifications (Azure preferred). Background in regulatory reporting, API management, or performance tuning. More ❯
vendor, global network infrastructure. Manage firewall systems and enhance network security practices. Partner with technology and investment teams to deliver scalable, secure network solutions. Conduct network capacity planning and performance tuning. Define and enforce network security standards. Troubleshoot and resolve complex network and security issues. Participate in 24/7 on-call support and out-of-hours maintenance. Ideal More ❯
ll Bring: 2+ years of experience in Commvault Backup Administration (Commvault certifications are a plus). Hands-on knowledge of data and information lifecycle management, disaster recovery, and software performance tuning. Familiarity with hardware such as storage arrays, SANs, servers, and NAS devices. Strong problem-solving skills with the ability to approach IT issues confidently and logically. Excellent communication More ❯
an Elastic Developer for a Department of Homeland Security mission. RESPONSIBILITIES Design, develop, and implement scalable and efficient solutions using the Elastic Stack Configure and optimize Elasticsearch clusters for performance and reliability Develop custom Logstash configurations for data ingestion, processing, and enrichment Create compelling visualizations and dashboards using Kibana to provide insights into data Integrate Beats for lightweight data … to send data to Elasticsearch Collaborate with cross-functional teams to understand requirements and deliver solutions that meet business needs Monitor and troubleshoot Elastic Stack deployments to ensure optimal performance and availability REQUIRED QUALIFICATIONS Proficiency in Elasticsearch, including data indexing, search queries, mappings, and aggregations Strong experience with Logstash configuration for data processing and transformation Familiarity with Kibana for … data visualization, dashboard creation, and log analysis Experience with Elasticsearch cluster management, performancetuning, and scalability Solid understanding of Elasticsearch security features and best practices Proficient in scripting languages such as Python, Ruby, or Shell scripting Experience with version control systems such as Git More ❯
SME to join a major monitoring and observability programme with a globally recognised technology leader. This role will suit someone with strong Dynatrace and DQL expertise , capable of driving performance monitoring strategies across complex, distributed environments. Key Responsibilities: Act as the subject matter expert for Dynatrace monitoring and observability Develop and optimise DQL queries , dashboards, and reports for actionable … insights Define and implement end-to-end monitoring strategies to support application and infrastructure performance Drive best practices around alerting, automation, and root cause analysis Collaborate with engineering, operations, and business stakeholders to ensure adoption of monitoring solutions Support proactive incident detection, resolution, and continuous improvement initiatives Skills & Experience Required: Strong hands-on experience with Dynatrace , including advanced DQL … skills Proven track record in application and infrastructure monitoring within complex, distributed environments Experience in designing dashboards, performance monitoring frameworks, and observability solutions Knowledge of incident management and performancetuning best practices Strong communication skills and ability to influence stakeholders What’s on Offer: Initial 6 -month contract with potential extension Opportunity to work on a high More ❯
SME to join a major monitoring and observability programme with a globally recognised technology leader. This role will suit someone with strong Dynatrace and DQL expertise , capable of driving performance monitoring strategies across complex, distributed environments. Key Responsibilities: Act as the subject matter expert for Dynatrace monitoring and observability Develop and optimise DQL queries , dashboards, and reports for actionable … insights Define and implement end-to-end monitoring strategies to support application and infrastructure performance Drive best practices around alerting, automation, and root cause analysis Collaborate with engineering, operations, and business stakeholders to ensure adoption of monitoring solutions Support proactive incident detection, resolution, and continuous improvement initiatives Skills & Experience Required: Strong hands-on experience with Dynatrace , including advanced DQL … skills Proven track record in application and infrastructure monitoring within complex, distributed environments Experience in designing dashboards, performance monitoring frameworks, and observability solutions Knowledge of incident management and performancetuning best practices Strong communication skills and ability to influence stakeholders What’s on Offer: Initial 6 -month contract with potential extension Opportunity to work on a high More ❯