Investment Banking - Low Latency C++ Developer - financial markets / Linux / Scripting / low latency /TCP/IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency development team. The team provides industry leading low-latency trading … measure of success is the swift and frequent delivery of useful software. ESSENTIAL DUTIES AND RESPONSIBILITIES Plan, design, develop, document, test, deploy, and support new and existing features / modules SKILLS & EXPERIENCES ASSESSMENT 7+ years of C / C++ development experience Experience with financial markets / clients Experience with order entry gateway development. Experience … of Linux Some Scripting knowledge Interest and some knowledge of principles of developing for low latency Relationship Builder Ability to work under pressure to meet targets Understanding of TCP/IPprotocol a plus Permanent role - hybrid working - Central London based By applying to this job you are sending us your More ❯
sheffield, south yorkshire, yorkshire and the humber, united kingdom Hybrid/Remote Options
Axiom Software Solutions Limited
Position: Senior Technical Engineer Location: Sheffield, UK (Hybrid 3 days onsite a week) Duration: Long Term B2B Contract Job Description: Experience: Extensive experience with Microsoft Windows in financial / regulated organizations Interact with application teams and other infrastructure teams Understanding of functional requirements and translation of business requirements into technical specifications Proactively identify problem situations and resolve to … give maximum customer satisfaction. Participate in stakeholder / delivery team calls. Demonstrate analytical and problem management skills. Suggest & implement best-in-call industry practices in the projects, as applicable. Technical Skills: Shall be proficient in Windows Operating System and Microsoft Cluster environments Have experience of DevOps tools, orchestration, and configuration management on Ansible / Jenkins / Puppet. Have good experience of scripting in Python / Shell for data management tasks. Experience of VMware / Virtualization / Hypervisor Knowledge of networking and how it relates to the OS – TCP/IP, port management, firewalls Should have Mulesoft / Postman experience. Development More ❯
Stevenage, Hertfordshire, England, United Kingdom Hybrid/Remote Options
MBDA
Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70–80% crypto governance / operations and 20–30% network / security operations. You'll help us deliver secure, resilient connectivity across a multi-national environment. Salary : Up to £60,000 depending … on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and / or limitations relating to nationality and / or rights to work may apply. After offer stage, all successful candidates will undergo HMG Basic Personnel Security Standard checks … our Network Security strategy and management. You will be responsible for: Crypto leadership and governance Managing the Crypto Network processes including ordering, Key Material Edition validity, and equipment / KM deliveries. Ensuring Crypto Management Plans are completed and submitted to the relevant authorities in a timely manner. Ensuring that mandated checks on cryptographic devices and associated items are More ❯
Bristol, Avon, South West, United Kingdom Hybrid/Remote Options
MBDA
Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance / operations and 20-30% network / security operations. You'll help us deliver secure, resilient connectivity across a multi-national environment. Salary : Up to £60,000 depending … on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and / or limitations relating to nationality and / or rights to work may apply. After offer stage, all successful candidates will undergo HMG Basic Personnel Security Standard checks … our Network Security strategy and management. You will be responsible for: Crypto leadership and governance Managing the Crypto Network processes including ordering, Key Material Edition validity, and equipment / KM deliveries. Ensuring Crypto Management Plans are completed and submitted to the relevant authorities in a timely manner. Ensuring that mandated checks on cryptographic devices and associated items are More ❯
Stevenage, Hertfordshire, South East, United Kingdom Hybrid/Remote Options
MBDA
Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance / operations and 20-30% network / security operations. You'll help us deliver secure, resilient connectivity across a multi-national environment. Salary : Up to £60,000 depending … on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and / or limitations relating to nationality and / or rights to work may apply. After offer stage, all successful candidates will undergo HMG Basic Personnel Security Standard checks … our Network Security strategy and management. You will be responsible for: Crypto leadership and governance Managing the Crypto Network processes including ordering, Key Material Edition validity, and equipment / KM deliveries. Ensuring Crypto Management Plans are completed and submitted to the relevant authorities in a timely manner. Ensuring that mandated checks on cryptographic devices and associated items are More ❯
Bolton, Greater Manchester, North West, United Kingdom Hybrid/Remote Options
MBDA
Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance / operations and 20-30% network / security operations. You'll help us deliver secure, resilient connectivity across a multi-national environment. Salary : Up to £60,000 depending … on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and / or limitations relating to nationality and / or rights to work may apply. After offer stage, all successful candidates will undergo HMG Basic Personnel Security Standard checks … our Network Security strategy and management. You will be responsible for: Crypto leadership and governance Managing the Crypto Network processes including ordering, Key Material Edition validity, and equipment / KM deliveries. Ensuring Crypto Management Plans are completed and submitted to the relevant authorities in a timely manner. Ensuring that mandated checks on cryptographic devices and associated items are More ❯
C++ Developer - Low Latency, C++, FPGA, Linux, Market Data Systems, Order Entry Gateway Development, TCP/IP Protocols, Scripting Languages Role Overview: Join a high-performing low latency development team focusing on C++ components. The team specializes in delivering low-latency trading services using advanced technologies. Required Skills and Experience: Extensive C / … with financial markets and order entry gateway development Knowledge of market data and Linux systems Scripting experience is a plus Interest in low latency development principles Understanding of TCP/IP protocols is advantageous London / Contract / Hybrid Working By applying to this job you are sending us your … permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client / third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to More ❯
Salford, Greater Manchester, United Kingdom Hybrid/Remote Options
SF Recruitment
and infrastructure across multiple business units. Key Responsibilities Provide 2nd line (and some 3rd line) support across servers, applications, and infrastructure Maintain and administer Windows Server, Active Directory / Entra Connect, GPO, file shares, and permissions Support Hyper-V, RDS, IIS, and on-premise infrastructure Deliver day-to-day M365 administration and support Exchange Online / Hybrid environments Implement and manage Entra ID features including Conditional Access Assist with L2 networking tasks including VLANs, DHCP / DNS, and TCP/IP Troubleshoot hardware, office apps, and bespoke applications Work with internal teams and external partners to resolve escalations Document incidents, changes, and infrastructure updates Essential Skills … Experience Strong experience with: Windows Server Active Directory / Entra Connect Group Policy (GPO) File shares & permissions Hyper-V RDS IIS Microsoft 365 admin Exchange Online (EXO) / Hybrid Entra ID (Azure AD) Conditional Access L2 networking: VLANs DHCP / DNS TCP/IP Hardware troubleshooting Office applications More ❯
Greater Manchester, North West, United Kingdom Hybrid/Remote Options
SF Recruitment (Tech)
and infrastructure across multiple business units. Key Responsibilities Provide 2nd line (and some 3rd line) support across servers, applications, and infrastructure Maintain and administer Windows Server, Active Directory / Entra Connect, GPO, file shares, and permissions Support Hyper-V, RDS, IIS, and on-premise infrastructure Deliver day-to-day M365 administration and support Exchange Online / Hybrid environments Implement and manage Entra ID features including Conditional Access Assist with L2 networking tasks including VLANs, DHCP / DNS, and TCP/IP Troubleshoot hardware, office apps, and bespoke applications Work with internal teams and external partners to resolve escalations Document incidents, changes, and infrastructure updates Essential Skills … Experience Strong experience with: Windows Server Active Directory / Entra Connect Group Policy (GPO) File shares & permissions Hyper-V RDS IIS Microsoft 365 admin Exchange Online (EXO) / Hybrid Entra ID (Azure AD) Conditional Access L2 networking: VLANs DHCP / DNS TCP/IP Hardware troubleshooting Office applications More ❯
Long Beach, California, United States Hybrid/Remote Options
Redbarn Pet Products LLC
in the United States on a full-time basis. Some Perks of Joining the Redbarn Team Medical, Dental, and Vision Insurance 401(k) with a company match Flexible / Health Spending Accounts Voluntary Benefits Pet Insurance Life and Accidental Death & Dismemberment Insurance Paid Holidays / Vacation / Sick Hybrid Work Schedule (3 days in … Manage Active Directory , Group Policy , and Azure AD synchronization in hybrid environments. Oversee enterprise VMware vSphere or Hyper-V infrastructure provisioning, patching, and performance tuning. Support Office 365 / Microsoft 365 administration including Exchange Online, Teams, SharePoint, and Intune. Manage and secure network infrastructure (Cisco / Meraki) VLANs, VPNs, and firewalls. Implement and maintain data backup … or related field (or equivalent experience). 3+ years of experience as a Systems Administrator or Infrastructure Engineer in an enterprise environment . Strong knowledge of Windows Server / 2019 / 2022 / 2025 , Active Directory , DNS , DHCP , and Group Policy . SUSE SLE, SAP HANA 2.0 Experience with VMware vSphere , Hyper-V , or More ❯
Nashville, Tennessee, United States Hybrid/Remote Options
DCI Donor Services
to service allows for nationwide donation, transplantation, and distribution of organs and tissues while maintaining close ties to our local communities. DCI Donor Services operates three organ procurement / tissue recovery organizations: New Mexico Donor Services, Sierra Donor Services, and Tennessee Donor Services. We also maximize the gift of life through the DCI Donor Services Tissue Bank and … safe with us because we are a model for fairness, belonging, and forward thinking. Key responsibilities this position will perform include: Network Administration Design, configure, and maintain LAN / WAN infrastructure, including routers, switches, wireless access points, load balancers, and firewalls. Implement and manage VLANs, routing protocols, and Quality of Service (QoS) to optimize network performance. Monitor network … up-to-date network documentation, including topology diagrams and configuration records . Network Security and Compliance Implement and manage network security controls, including firewalls, VPNs, and intrusion detection / prevention systems (IDS / IPS) Monitor network traffic for anomalies and respond to security incidents in coordination with cybersecurity teams. Enforce access controls, segmentation, and secure configurations More ❯
london (city of london), south east england, united kingdom Hybrid/Remote Options
ASSA ABLOY
proud of. What you would do as our Software Engineer As a Software Engineer you will develop and maintain our portfolio of products using Ruby on Rails, Javascript / Typescript, HTML, and CSS. You will interact with our testing and DevOps teams to facilitate successful production releases of new features. As the role is completely remote, we are … s Turbo (Drive, Frames, Streams) for enhanced performance. • Implement clean, scalable UI components using Tailwind CSS to ensure consistent styling with minimal custom CSS. • Apply foundational networking knowledge (TCP/IP, DNS, HTTP / HTTPS, WebSockets) to create robust and performant applications. • Collaborate effectively across teams, communicate clearly, and operate independently with … familiar with modern JavaScript frameworks, including StimulusJS for adding interactivity to HTML without complex JavaScript, focusing on the "HTML-first" approach. Optional Svelte experience. • Understands networking fundamentals including TCP/IP, DNS, HTTP / HTTPS, and WebSockets. Possess general software engineering skills, ideally in C# and Linux toolchains, Bash scripting and PowerShell. More ❯
Taylor, Michigan, United States Hybrid/Remote Options
Allbridge
six years of customer-facing experience in a similar role, with a preference to have experience in the hospitality sector. Must be skilled in configuring and troubleshooting: LAN / WAN and digital switching technologies, software, hardware and servers, routers, modems, wireless, TCP/IP and QoS hardware and software. Must be well … requirements may require more time at the primary work location, while greater flexibility may be in place for others. Essential Job Functions and Responsibilities Serve as primary remote / onsite (as needed) engineer for any Building System / Managed Services (BOH) type projects. Serve as a lead for staging and training others on Building System / … and be based out of the Detroit Warehouse location. This position would also be available; as time permits; to also provide back up support for the Building Systems / Managed Services (BOH) Tech Support team if there are spikes in support needs. Take the lead in the project staging process, operating independently to design and prepare secure network More ❯
Glasgow, Lanarkshire, Scotland, United Kingdom Hybrid/Remote Options
Arnold Clark
time management and the ability to prioritise multiple responsibilities Nice to have (but not essential) Experience of working in an application support role Quality Assurance certification and experience / knowledge of web testing methodology Experience / knowledge of ITIL • Understanding of LAN / WAN technologies - TCP/IP, Ethernet, ADSL, VPN etc. Experience / knowledge of Kerridge / Rev8 DMS Application At Arnold Clark, we are adopting SFIA Version 9 framework for all roles that require digital / IT skills. In the case of this role, we have reviewed the required skills and skill levels that we regard as essential. … To find out more about SFIA and version 9 of the framework, you can visit: https: // sfia-online.org / en You may be asked to provide evidence as to how you are already operating at these skill levels if you are invited to interview with us. Our culture Arnold Clark is committed More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Circle Recruitment
than rigid process. What We're Looking For Essential: Background in SOC, network engineering, security operations or a similar technical security environment. Strong understanding of networking fundamentals, including TCP/IP, traffic flow and general network behaviour. Confident working with SQL to interrogate and manipulate Ability to interpret data and explain what it shows … in a clear, meaningful way. Genuine interest in security research and understanding how threats appear and evolve across networks. Desirable: Exposure to Python and / or data science techniques. Experience working with large-scale security or network datasets. Interest in emerging areas such as bot detection and AI-driven security analysis. You'll gain access to extensive real … love to hear from you. Apply now if this sounds like you. Junior Security Researcher, Security Research, SOC Analyst, Network Security, Threat Intelligence, SQL, Cyber Security, Network Engineering, TCP/IP, Security Operations, Threat Analysis, Junior Cyber Security, Security Data Analyst Circle Recruitment is acting as an Employment Agency in relation to this vacancy. More ❯
Knowle, Solihull, West Midlands, England, United Kingdom Hybrid/Remote Options
Charles Peters
right person to fit our existing team. Some of the technologies they support include Office 365, on-premise and hosted servers, Acronis backup and DR, Active Directory, PC / Laptops, UniFi Wireless networks and Watchguard Firewalls. The ideal candidate will be dealing with a mix of helpdesk calls alongside an existing team of 9 people. They will have … certification and we actively encourage and cover the cost of this. Key skills (Must have’s) · Windows Server inc. Hyper V, AD, DHCP, DNS · Strong PC experience Windows / OSX · Router / Switch / Firewall Configuration · Good Hardware knowledge · Excellent IP and TCP/IP Knowledge … preferably to Network+ / CompTIA · Excellent and Patient telephone manner · Excellent troubleshooting technique · Full driving licence Benefits Work from home - Hybrid Full training plan with 1 / 2 a day a month allocated study time 33 days holiday (including bank holidays) 24 / 7 counselling support and financial advise helpline Potential to earn commission More ❯
s degree in Computer Science, Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking protocols (TCP/IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility Exposure to cutting-edge technology in a fast-paced trading environment 3 stage process and … upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com / gb / en / privacy-notice. More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
WSR (Working Solutions Recruitment Services)
Support Engineer Qualifications, Experience and Attributes: You’re confident, client-focused and technically sharp, with: Strong hands-on experience with Windows 10 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP … DFS, ADFS, FAP Knowledge of PC setup , TCP/IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Ability to troubleshoot client-side apps (e.g. Microsoft Office) Advanced problem-solving skills with a proactive mindset Exceptional written and verbal communication, with confidence speaking to users More ❯
Support Engineer Qualifications, Experience and Attributes: You’re confident, client-focused and technically sharp, with: Strong hands-on experience with Windows 10 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP … DFS, ADFS, FAP Knowledge of PC setup , TCP/IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Ability to troubleshoot client-side apps (e.g. Microsoft Office) Advanced problem-solving skills with a proactive mindset Exceptional written and verbal communication, with confidence speaking to users More ❯
Latest Microsoft Technologies Experience in Setting Up and Maintaining Business System Networks Based on Microsoft Technologies Microsoft Windows Server Operating Systems Microsoft Exchange Server Microsoft Windows Hyper-V / VMware vSphere and vCentre Microsoft 365 (including email migrations, InTune deployment, Azure Information Protection, Azure AD Join, AD Connect, SharePoint Online, DLP, MDM) Microsoft Active Directory, Windows Server and … Related Server Roles (IIS / RDS / DFS / NPS) Microsoft Azure Active Directory and InTune Microsoft Azure IaaS Technologies Microsoft Azure Virtual Desktop Multi-Factor Authentication and Conditional Access Setup and Configuration for Office 365 and Related Technologies Backup Technologies (Veeam and Datto) Firewall Technologies (Sophos UTM / XG, Sonicwall, Cisco … Meraki & Watchguard) Detailed Knowledge of Switching and Routing, Including VLANs and Networking Technologies (TCP/IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi) Building Wireless networks (Meraki & UniFi) Personal Attributes: Friendly and professional. Have a passion for new and emerging technologies and thrive on developing an understanding of new solutions. Possesses good written and More ❯
Sheffield, South Yorkshire, Yorkshire, United Kingdom Hybrid/Remote Options
Vallum Associates Limited
Job Title: Netscaler SME- Citrix Expert Location: Hybrid, Sheffield / Birmingham / Leeds UK (3days / Week Onsite) Duration: 6months+ Contract Inside IR35 500GBP / Day Inside IR35 NetscaleR Role Overview We are looking for a highly skilled Netscaler SME / Citrix Expert to support a major banking client in … ideal candidate will be responsible for delivering stable, scalable, and secure application delivery solutions within a complex banking infrastructure. NetscalerKey Responsibilities Design, configure, and maintain Citrix Netscaler (ADC / Gateway) infrastructure for secure application delivery. Act as the subject matter expert for Citrix Virtual Apps & Desktops (XenApp / XenDesktop). Troubleshoot performance issues, latency, and connectivity … problems across Citrix / Netscaler environments. Optimize Netscaler load-balancing, traffic management, high availability, and SSL offloading. Implement security policies, multi-factor authentication, and access controls for banking systems. Work closely with network, security, and application teams to ensure seamless user experience. Perform upgrades, patches, health checks, and capacity planning. Document architecture, configurations, standards, and operational procedures. Support More ❯
london, south east england, united kingdom Hybrid/Remote Options
Kurt Geiger
stores internationally. The Skills: Previous experience in a similar role supporting over 200+ users. Strong technical skills in Windows 10, Apple OS, Azure AD, AD, Group Policies, Microsoft / Office 365, Azure Virtual Desktop, Jamf Cloud and Intune Autopilot Experience working with Autopilot and Intune VOIP system knowledge Windows imaging and deployment knowledge Understanding on servers Cisco Meraki … MDM and SDWAN knowledge Understanding basic Networking TCPIP/ UDP, DNS, VPNs, VLANs Android and Apple mobile devices deployment Understanding of EPOS technology / PEDs / PDQs / Tills - advantageous if experienced with SaaS POS solutions. Jamf Pro Experience A driving License is advantageous but not essential. … downtime, and security breaches. Use current security software and systems to ensure a safe technical environment for KG systems and their users. Compliance Create documentation for new processes / procedures and systems as appropriate. Ensure all equipment is audited and asset tracked. Maintain knowledge base support documents to assist with continued support and training. Work with the SDMS More ❯
Wokingham, Berkshire, United Kingdom Hybrid/Remote Options
eTeam Workforce Limited
CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE Role Title: Network Engineer Location: Wokingham (Hybrid - 3 days onsite / 2 days Home) Duration: 26 / 06 / 2026 Rate: £456 / day on umbrella Role Description: Key Responsibilities: Design & Implementation: Plan, configure, and deploy network solutions (LAN, WAN, WLAN, VPN) to meet business requirements. … Maintenance & Optimization: Monitor network performance and troubleshoot issues to ensure uptime and efficiency. Security : Implement and maintain network security measures, including Firewalls, intrusion detection / prevention systems, and access controls. Documentation : Maintain accurate network diagrams, configurations, and operational procedures. Collaboration : Work closely with IT teams and vendors to support infrastructure projects and resolve escalated issues. Upgrades & Patching: Perform … regular updates and patches to network hardware and software. Incident Response: Respond to network outages and security incidents promptly and effectively. Strong knowledge of: TCP/IP, DNS, DHCP, VLANs, routing protocols (OSPF, BGP). Network hardware (Cisco, Juniper, or similar). Firewalls and security appliances. Experience with network monitoring tools (eg, SolarWinds, Nagios More ❯
Poughkeepsie, New York, United States Hybrid/Remote Options
Intone Networks
Role:- Mainframe z / OS Admin Location:- Hybrid / Poughkeepsie, NY Hire Type:- Contract Job Description Oversees the installation, upgrade, configuration, monitoring, and maintenance of the Z / OS operating system. Maintains knowledge of all Z / OS utilities and tools (HCD, SMP / E, RACF, TCP/IP, SMTP, FTP, DFDSS, DSF, SMS, Infoprint, TLS, VTAM) Maintains knowledge of SERVER pack installs and upgrades. Maintains knowledge of TSO / JCL and all ISPF functionalities Assists Mainframe programmers when needed (log on issues, dataset issues, Job abends) Provides elevated Mainframe access to new Programmers, Contractors & Computer Operators for TSO, RACF & Zeke Maintains … knowledge of Hardware configuration via (HMC, DS8910, and Luminex VTL tape subsystems) Maintains knowledge of OEM products including (OPS / MVS (alerts), Zeke job scheduler, Zara tape management Holds a high degree of ability to resolve hardware / software issues to maintain 24x7 operation. Strong capability to identify system or process deficiencies and recommend solutions. Ensures More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Robert Half
s degree in Computer Science, Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking protocols (TCP/IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility Exposure to cutting-edge technology in a fast-paced trading environment 3 stage process and … upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: gb / en / privacy-notice. More ❯