outages to resolution, this role requires a close partnership with the rest of the infrastructure team, the service desk and the wider IT group. Responsibilities: • Provide support for all trading and back-office platforms offered by Marex to both internal and external client base. • Support business users offering second- and third-line support. • Create and deploy PowerShell scripts providing … of business functions. • Manage new system analysis and implementation. • Provide incident management per ITIL standards. • Liaison between technology department and business groups to communicate system changes. • Manage process and trading system documentation; produce and regularly maintain to a high standard. • Ensure active tasks retain focus through workflow and prioritisation awareness. • Manage vendor system upgrades and implementation. • Manage exchange relationships … management processes • Excellent documentation, communication, and organizational skills • Ability to build strong relationships with Application Development teams and business sponsors • General front-to-back knowledge of the flow for trading/clearing/operational process in settlement of futures and OTC Energy trade • Experience in exchange and vendor management with a view to project manage exchange/system critical More ❯
on site You’ll be working for a global financial services firm, supporting a wide range of front-office and post-trade systems with a particular focus on Surveillance, Trading, and Market Connectivity platforms. This is a role that sits at the sharp end of a high-performance trading environment — ideal for someone used to pressure, pace, and … support gender diversity and inclusion We foster a culture that supports work-life balance and equal opportunity ✅ What you’ll be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems , FIX connectivity, and trading infrastructure (TT, ION, Stellar … Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging , exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor environment Understanding of ITIL , change management More ❯
on site You’ll be working for a global financial services firm, supporting a wide range of front-office and post-trade systems with a particular focus on Surveillance, Trading, and Market Connectivity platforms. This is a role that sits at the sharp end of a high-performance trading environment — ideal for someone used to pressure, pace, and … support gender diversity and inclusion We foster a culture that supports work-life balance and equal opportunity ✅ What you’ll be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems , FIX connectivity, and trading infrastructure (TT, ION, Stellar … Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging , exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor environment Understanding of ITIL , change management More ❯
mindset and a strong sense of ownership across all support-related responsibilities. This role will be working within the Front Office Teams and would requires someone with experience on Trading Platforms and preference to candidates with exposure to FIX Connectivity. Proficient in Windows and Linux/Unix environments with solid understanding of SQL, Oracle databases, and server-side infrastructure … including platforms like ION, IBM MQ, Deltix, TT, and ATEO. Background in financial services (preferably banking), with insight into trading, clearing, and settlement processes across futures, OTC energy, and global markets. Excellent communicator with strong documentation and stakeholder management skills; capable of building relationships across development teams, business users, and external vendors. Highly methodical with experience in ITIL … frameworks, change management, and a focus on continuously improving systems and processes. Skilled in API onboarding, FIX messaging, market connectivity protocols, and supporting high-frequency trading platforms; able to work shifts and manage critical upgrades. Prior experience supporting clients in a technical advisory role, with an understanding of compliance, risk, and regulated environments. Strong PowerShell experience is a must More ❯
APS F2B Flow team. This global function supports the FX, EQD, Rates, and Credit businesses within Global Markets, with a particular focus on the Fixed Income Rates and Credit trading platforms. This role combines strong technical expertise with business-facing responsibilities, supporting a complex, high-volume trading environment. The successful candidate will be expected to provide both proactive … and reactive support, contribute to platform stability, and drive continuous improvement across systems and processes. Key Responsibilities: Provide expert-level support for Rates and Credit trading platforms, ensuring stability, performance, and availability. Act as a functional expert and technical liaison between trading, sales, development, and infrastructure teams. Manage production environments, including incident resolution, release deployment, capacity planning, and … a complex stack involving pricing, messaging, position management, and regulatory exports. Participate in early shift rotations and provide 2nd line out-of-hours support as required. Essential Technical Skills: ION MarketView – strong hands-on experience required Operating Systems: Windows & UNIX Networking & Firewalls – solid understanding Databases: SQL/Oracle ECN Connectivity Preferred Technical Skills: Tibco, RV Bladelogic ITRS Geneos Reuters More ❯
APS F2B Flow team. This global function supports the FX, EQD, Rates, and Credit businesses within Global Markets, with a particular focus on the Fixed Income Rates and Credit trading platforms. This role combines strong technical expertise with business-facing responsibilities, supporting a complex, high-volume trading environment. The successful candidate will be expected to provide both proactive … and reactive support, contribute to platform stability, and drive continuous improvement across systems and processes. Key Responsibilities: Provide expert-level support for Rates and Credit trading platforms, ensuring stability, performance, and availability. Act as a functional expert and technical liaison between trading, sales, development, and infrastructure teams. Manage production environments, including incident resolution, release deployment, capacity planning, and … a complex stack involving pricing, messaging, position management, and regulatory exports. Participate in early shift rotations and provide 2nd line out-of-hours support as required. Essential Technical Skills: ION MarketView – strong hands-on experience required Operating Systems: Windows & UNIX Networking & Firewalls – solid understanding Databases: SQL/Oracle ECN Connectivity Preferred Technical Skills: Tibco, RV Bladelogic ITRS Geneos Reuters More ❯
of our analytics offering, including library, microservices and core development Ensure model accuracy and performance Support and enhance existing codebases to increase product coverage and available pricing indicators Helping trading desks build tools to better make decisions To provide second level supportas needed The following skills and experience are required for this role: 3+ years of experience as a … financial mathematics. Familiarity with market data feeds, curve construction, and calibration techniques. Strong differentiators: Experience with Alib or Kalotay Experience with Redis, Fast API, Dash, Streamlit, Rust Experience with IonTrading platform Exposure to AWS Linux (Red Hat Enterprise) Business Fixed Income Credit & Rates Bond/Repo trading system experience Previous experience modelling structured and exotic bonds … United Kingdom 2 weeks ago London, England, United Kingdom 1 day ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 day ago Quantitative Developer - Electronic Trading Quantitative Researcher - Machine Learning London, England, United Kingdom 10 months ago London, England, United Kingdom 1 week ago Quantitative Developer, Systematic Equities Greater London, England, United Kingdom 1 week More ❯
The FIX Connectivity Engineer works part of a global operations team responsible for on-boarding and maintaining services for buy-sides/sell-sides on ION's FIX Network at an application level. These buy-sides/sell-sides use both IONtrading solutions as well as 3rd party OMS/EMS solutions. The engineer engages directly … in a fast-paced environment, managing multiple requests from small daily tasks to larger multi-team projects. Key Responsibilities To implement new application level connections between clients on the ION network To analyse, implement and certify new client/services on the ION network using the FIX protocol To liaise with clients, third party vendors, and internal teams … regarding FIX-based projects To offer 3rd line support to the ION Support department Participates in the team shift patterns and assists with weekend work and out of hours escalation when required Required Skills, Qualifications and Experience The candidate must be able to demonstrate the following: Strong written and verbal communication skills A strong analytical approach to problem solving More ❯
The Role: Trading Systems Engineers are 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 required, ensuring our clients have a reliable and dependable service. Key Responsibilities: Monitor, deploy and support sophisticated technical trading systems for the global client base. Troubleshoot and restore systems and processing in event of incidents and problems. Perform regular system checks and analysis and provide reports of system function and service level. Manage in-bound … Experience and Qualifications: Technically oriented, and literate in common operating systems such as UNIX and Linux. Unix and Linux command line experience required. Proven experience in providing support for trading applications. Database knowledge with SQL and/or Oracle Administration. Excellent written and verbal communication skills. First Degree level education, preferably in an IT related subject. Strong desire to More ❯
The Role: ION is seeking talented, enthusiastic and productive individuals to join the Implementation department. This department is responsible for implementing, deploying and maintaining Fidessa's multi-asset, sell-side trading platforms and global market data system on a managed, Software as a Service (SaaS) basis. It also provides specialist consultancy services to our Enterprise client base. If … successful you would be assigned to the Cleared Derivatives Implementation team. As part of a highly motivated team, your role will be pivotal in the management of ION’s projects internally and with our customers. You will be involved in every aspect of running our projects working with product development, delivery, sales and finance teams. Key Responsibilities To build … configure, test and deploy Fidessa trading platforms, exchange connections and market data services. To enable, configure, test and deploy additional or new services and software features. To analyse, design, develop, configure, test & deploy solutions to specific customer requirements. Implementing and deploying strategic projects. To ensure that all client systems/configurations are "fit for purpose" upon delivery. To maintain More ❯
The position is for a Quant Developer (Python) who will be part of Quant Development Technology team, directly supporting the Front Office Algorithmic Trading offering ofa leading Financial Services firm. The work assignments will include playing a lead role in developing our python infrastructure and enhancing our offering to an enterprise level. Will include working alongside the quantitative teams … on the bond trading algo, ETF Trading, Portfolio Trading, and risk management, along with general business in development of tools and analysis for traders and sales on projects based around our trading and sales systems. We are a results-oriented group looking for a self-motivated, detail-oriented person with strong communication skills, strong analytical and … being part of a team environment supporting a fast-paced and dynamic organization. Key Responsibilities Development and enhancement of our python offering, including library, microservices and core development Helping trading desks build tools to better make decisions Work alongside quants and mentor junior python developers To provide 2nd level supportas needed The following skills and experience are required for More ❯
The Role: This is an exciting opportunity to join ION as a Principal Technical Consultant. As a Principal Consultant, you will be responsible for project technical oversight and leadership, technical architecture and design, mentoring consultants, and leading and participating in internal initiatives to improve delivery. You will work with business analysts, clients, and team members to design and implement … work onsite at client locations as needed. Ability to work as part of a project team structure. About us: We’re a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we’ve achieved tremendous growth by bringing together … technology companies in the world. • Over 2,000 of the world’s leading corporations, including 50% of the Fortune 500 and 30% of the world’s central banks, trust ION solutions to manage their cash, in-house banking, commodity supply chain, trading and risk. • Over 800 of the world’s leading banks and broker-dealers use our electronic More ❯
of our analytics offering, including library, microservices and core development Ensure model accuracy and performance Support and enhance existing codebases to increase product coverage and available pricing indicators Helping trading desks build tools to better make decisions To provide second level support as needed The following skills and experience are required for this role: 3+ years of experience as … financial mathematics. Familiarity with market data feeds, curve construction, and calibration techniques. Strong differentiators: Experience with Alib or Kalotay Experience with Redis, Fast API, Dash, Streamlit, Rust Experience with IonTrading platform Exposure to AWS Linux (Red Hat Enterprise) Business Fixed Income Credit & Rates Bond/Repo trading system experience Previous experience modelling structured and exotic bonds More ❯
MarketView Support Analyst - MMI, Market Data and ION gateway support experience Major investment bank requires a Senior Marketview Support Analyst to join their Fixed Income E-Trading IT area. The successful candidate will play a pivotal role towards L2 support, ongoing maintenance, and project based ECN on-boarding of electronically traded credit and rates bonds. Responsibilities will include … analysis, configuration, 1st and 2nd line support of MarketView in addition to new releases of the product. Candidates will have detailed MarketView, MMI, Market Data and ION gateways support and configuration experience, a solid understanding of Unix/Linux, SQL Fixed Income Rates products and the ability to communicate at all levels within highly demanding front office environments. Essential … skills: IONTrading - Marketview Front Office Fixed Income MMI Unix SQL Gateway configuration MarketView Support Analyst - MMI, Market Data and ION gateway support experience More ❯
The Role: ION Markets Information Security Team is looking to hire a Platform Security Lead that support the division’s security strategy through definition and implementation of security controls across our platforms, infrastructure, and operational workflows. As the Platform Security Lead, you will be responsible for designing and implementing end-to-end security controls across ION Markets on … logging coverage and implementing additional monitoring capabilities. Maintain, update, and regularly test incident response runbooks, containment strategies, and escalation protocols. Lead the end-to-end vulnerability management process for ION Markets systems, from identification to remediation. Provide support for security architecture reviews of developed systems to ensure alignment with best practices. Stay up to date with the latest security … SIEM, DLP, SWG, CASB, UEBA, IDS, IPS, firewalls, IAM/PIM/PAM, vulnerability management, MDM, etc. About us We’re a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we’ve achieved tremendous growth by bringing together More ❯
team providing services directly to the global FX, Rates, eCommerce and Credit businesses within the Global Market group of our partner. The team is responsible for supporting globally the ION platform, in-house pricing application, algorithmic trading components, STP, for rates business. The key focus is to provide BAU production support issues/user enquiries and align processes … stressful environment. Logical and critical thinking Teamwork skills The role focuses specifically on Rates products; Rates knowledge would be appreciated. IT Skills: Good knowledge of FX business and electronic trading principles: Spot/Outright pricing, Fixings, VD calculation, CC & AV, Spot push, Rollback/rollover, Fixings, etc. Good knowledge of main application failure scenarios in a complex IT architecture More ❯
software releases in UAT and Production environments. Other duties also include updating support documentation and owning the development once released. Experience required; Strong Application Support experience within a financial trading environment. Solid business knowledge of derivative products (interest rate swaps, credit default swaps, exchange traded futures and options, convertible bonds). Proven technical analysis and investigatory skills with ability … to work within a high-pressured environment. Stack includes Ulinx/Linux and SQL Server Ideally experience or knowledge across ION Marketview and Bloomberg TOMS Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Investment Banking, Financial Services, and Banking Referrals increase your chances of interviewing at Sterlings More ❯
hiring a proactive and detail-oriented Customer Support Analyst to join the eOperations team of a global financial services business . Based in London , this role supports mission-critical trading applications and services across EMEA, APAC, and the US. If you thrive in fast-paced environments, enjoy solving complex technical issues, and have experience in financial markets we want … while maintaining clear documentation. Communicate effectively with internal and external stakeholders, managing expectations throughout. Take ownership of your workload and contribute to team task distribution. Develop expertise in proprietary trading platforms, supporting issue replication and UAT testing. Troubleshoot FIX API connections and monitor trade flows and market data workflows. Support daily health checks and participate in platform testing and … process improvement initiatives. Contribute to team documentation and knowledge sharing resources. What Were Looking For 3+ years in a trading support or financial services environment (e.g. brokerage, exchange, investment bank). Familiarity with FX and Rates products (e.g. NDFs, Swaps, FXO, IRS, Gilts, EGBs). Experience with FIX protocol, Unix/Linux, and end-to-end trade lifecycle. Strong More ❯
Application Support: UNIX: Fixed Income: Rates: ION Marketview: MMI One of my clients, a reputable and successful Investment Bank, is looking to hire an Application Support Analyst to join a team that support a number of cross-asset applications that provide critical information for traders across the Rates business. The applications you will be supporting are both bespoke built … Work closely with the Development teams so that you gain knowledge to alleviate any L3 issues in the future. Help with testing and business continuity processes. Support vendor applications (ION MarketView, Murex, Bloomberg) To be right for this role, you must have the following: Proven track record of working as an Application Support team at another financial services firm … within Fixed Income (ideally Rates). Previous experience supporting vendor platforms (ION, Murex, Bloomberg) Previous experience in the following technologies: Unix, SQL, FIX Experience of technical support across a demanding user base in Fixed Income. The company are operating a hybrid way of working. You will be expected to work in the office four days a week, with the More ❯
Application Support: UNIX: Fixed Income: Rates: ION Marketview: MMI One of my clients, a reputable and successful Investment Bank, is looking to hire an Application Support Analyst to join a team that support a number of cross-asset applications that provide critical information for traders across the Rates business. The applications you will be supporting are both bespoke built … Work closely with the Development teams so that you gain knowledge to alleviate any L3 issues in the future. Help with testing and business continuity processes. Support vendor applications (ION MarketView, Murex, Bloomberg) To be right for this role, you must have the following: Proven track record of working as an Application Support team at another financial services firm … within Fixed Income (ideally Rates). Previous experience supporting vendor platforms (ION, Murex, Bloomberg) Previous experience in the following technologies: Unix, SQL, FIX Experience of technical support across a demanding user base in Fixed Income. The company are operating a hybrid way of working. You will be expected to work in the office four days a week, with the More ❯
The Role: The EU Service Desk provides support service to customers and forms part of ION's global support team. The desk is responsible for providing both on-site and remote support to users and trading support personnel, maintaining a strong relationship with clients as well as developing a deep understanding of client systems and business practices. Key … markets and business flows and Fidessa's functionality Working knowledge of networks and network infrastructure is desirable About us We’re a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we’ve achieved tremendous growth by bringing together … technology companies in the world. • Over 2,000 of the world’s leading corporations, including 50% of the Fortune 500 and 30% of the world’s central banks, trust ION solutions to manage their cash, in-house banking, commodity supply chain, trading and risk. • Over 800 of the world’s leading banks and broker-dealers use our electronic More ❯
The Role: This is an exciting opportunity to join ION as a Senior Technical Consultant. As a Senior Consultant, you will be responsible for designing, coding, testing and implementing the customer requirements while mentoring other team members. You will work with business analysts, clients and team members to design and implement product customizations and interfaces. Key Responsibilities: Present the … project’s technical solution to client representatives. Support client training services. Consult with client’s technology users to determine technical requirements to be addressed by the ION solution. Provide guidance to Technical Consultants. Follow ION documentation standards and resolution process flow for all deliverables. Keep Line Manager and Project Manager(s) informed regarding the status of assigned responsibilities. … areas of Endur/Findur in all technical design, specifications, custom coding, and testing deliverables. Assume hands-on project implementation duties (design, coding, testing) in all phases of an ION implementation, reporting to the Project/Account Manager. Gather and document technical requirements, code specifications, test plans/results, and any other deliverables required by the project as determined More ❯
The Technical Operations role is the subject matter expert working directly with clients, exchanges and third party vendors to ensure the smooth running of the ION hosted environments. They work within a global team and are responsible for overseeing and testing the deployment of direct delivered software in addition to providing technical support for these products. Key Responsibilities Investigates … financial markets and business flows and system functionality Working knowledge of networks and network infrastructure is desirable About us We're a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we've achieved tremendous growth by bringing together … technology companies in the world. • Over 2,000 of the world's leading corporations, including 50% of the Fortune 500 and 30% of the world's central banks, trust ION solutions to manage their cash, in-house banking, commodity supply chain, trading and risk. • Over 800 of the world's leading banks and broker-dealers use our electronic More ❯
Front Office Algo eTrading Development Team of a leading investment bank. This is an exciting opportunity to design, develop, and deliver high-performance technical solutions for a cutting-edge trading platform. Responsibilities Be a hands-on Senior Developer, influencing project direction from the outset. Develop new connectivity and RFQ protocols, including portfolios, for the expansion of eTrading. Enhance the … replacement of Algo containers. Key Skills Core Java: High-performance Java coding with expertise in zero-GC/non-allocating development. Multithreading: Advanced knowledge of concurrent programming. Low Latency Trading: Proven experience with high-throughput, low-latency systems. Networking & Messaging: FIX protocol, multicast technologies, and 29West or similar high-performance messaging tools. Linux: Strong familiarity with Linux environments. Domain … focus on concurrency, collections, messaging, and event-driven processing. 5+ years of experience in multicast messaging (e.g., Solace/RV). Demonstrated expertise in designing and coding low-latency trading application services. Solid background in Capital Markets, Front Office Trading, or Risk systems. Nice to Have Market Data, Order Connectivity, and Order Management and Experience with FIX protocol More ❯
Problem and Change management and serve as primary escalation point for any issues impacting the production environment. They are looking for someone who has prior knowledge of Fixed Income trading activities (Pricing, booking, execution, live risk, market risk, etc.), market data feeds and knowledge of applications such as Murex, ION, Bloomberg TOMS, Openlink, XTP. This is an excellent More ❯
