London, England, United Kingdom · On-site
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic…
Skills: Wi-Fi, Switching, Routing, Firewall Technologies, Network Automation
London, England, United Kingdom · On-site
The Firm XTX Markets is a leading algorithmic trading firm. We build models that forecast prices for more than 53,000 financial instruments across equities, fixed income, currencies, commodities and crypto. Those forecas…
Skills: Deep Learning, Machine Learning, Statistics, Mathematics, Computer Science
London, England, United Kingdom · Hybrid
Join Cyberfort – Cyber Security Consultant – GRC (MOD) Location: Hybrid / East England - 3 days on-site presence required Contract Type: Full-time / Permanent Salary: Competitive + Benefits About Cyberfort At Cyberfort, …
Skills: Governance Risk and Compliance, Secure by Design, Risk Management Frameworks, ISMS, Security Assurance
London, England, United Kingdom · On-site
About WPP Media WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships – all united by our pioneering agentic marketing plat…
Skills: Analytics, Data Science, Statistics, Problem Solving, Communication
London, England, United Kingdom · Hybrid
$80k–$100k/yr
Senior Data & AI Solutions Architect Technical Pre-Sales / Customer Solutions Location: London, UK - Hybrid Contract: Permanent - Full-time (~1-2 days per week in office) Package: £80,000-100,000 + 30% Bonus + 10% Shares…
Skills: Pre-Sales, Solution Architecture, Data Architecture, Lakehouse Architecture, Data Warehousing
London, England, United Kingdom · On-site
About WPP Media WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships – all united by our pioneering agentic marketing plat…
Skills: Data Strategy, Client Engagement, Data Analytics, Technical Proficiency, Leadership
London, England, United Kingdom · On-site
The Firm Fasanara Capital is a boutique alternative asset manager, offering access to a range of inventive multi-asset capacity-constrained niche products. Over the past 14 years, we have pursued unorthodox portfolio con…
Skills: Quantitative Trading, Portfolio Management, Python, SQL, Risk Management
London, England, United Kingdom · Hybrid
As part of the M&S Software Engineering team, you'll be joining a well‑loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right thr…
Skills: Java, Micronaut, Kafka, Distributed Systems, Azure
London, England, United Kingdom · Hybrid
$55k–$65k/yr
Location Birmingham or London Birmingham - Base salary: £54878 pa to £64562 pa depending on skills and experience. In addition, we offer flexible benefits fund of 20% which is paid on top base salary and is fully pension…
Skills: Enterprise Architecture, Business Architecture, Governance and Assurance, Agile Working, Stakeholder Communication
London, England, United Kingdom · Remote OK
About the role The Change Management Lead will support our Workday Optimisation project and other People and Culture-related projects (such as US Benefits and Job Architecture). We have identified the need to facilitate …
Skills: Change Management, Workday Optimization, Stakeholder Engagement, Impact Assessment, Communications Strategy
London, England, United Kingdom · Hybrid
As part of the M&S Software Engineering team, you'll be joining a well‑loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right thr…
Skills: Java, Micronaut, Kafka, Distributed Systems, Azure
London, England, United Kingdom · On-site
$93k–$120k/yr
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spe…
Skills: Product Strategy, Financial Infrastructure, Settlement and Reconciliation, Payment Networks, Financial Controls
London, England, United Kingdom · On-site
Company Description We’re ASOS, the online retailer for fashion lovers all around the world. We exist to give our customers the confidence to be whoever they want to be, and that goes for our people too. At ASOS, you’re …
Skills: Deep Learning, Machine Learning, Distributed Computing, ML Ops, CI/CD
London, England, United Kingdom · Hybrid
Overview Start Date: September 2026 Apprenticeship: Level 6 Placement length: 2.5 years Microsoft’s mission is to empower every person and every organisation on the planet to achieve more. As employees they come together…
Skills: Project Coordination, Sales Performance Analysis, E-Commerce, AI Tools, Stakeholder Management
London, England, United Kingdom · Hybrid
Company Description Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables ou…
Skills: Sql, Data Visualisation, Looker Studio, Power BI, Amazon QuickSight
London, England, United Kingdom · Hybrid
Company Description For over 30 years, Version 1 has been a leading Oracle partner specialising in Enterprise Applications, delivering ERP, HCM and EPM solutions that enable organisations to transform and modernise their…
Skills: Oracle Cloud HCM, Absence Management, Time and Labour (OTL), Fast Formula Configuration, Solution Design
London, England, United Kingdom · Hybrid
Company Description Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables ou…
Skills: SQL, Data Visualisation, Looker Studio, Power BI, Amazon QuickSight
London, England, United Kingdom · Hybrid
Company Description For over 29 years, Version 1 has partnered with leading global brands to deliver digital, cloud, and enterprise application solutions that drive business success. We are proud to be recognised as: Ora…
Skills: Oracle Cloud HCM, Oracle Time and Labour (OTL), Absence Management, Fast Formula Configuration, Onboarding Journeys
London, England, United Kingdom · Hybrid
We’re Civica, and we create software that helps deliver critical services for citizens all around the world. From local government, to education, health, and care, over 5,000 public bodies across the globe use our softwa…
Skills: New Business Development, SaaS Sales, Consultative Selling, Stakeholder Management, Salesforce
London, England, United Kingdom · On-site
Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total por…
Skills: Consultative Selling, Pipeline Management, Executive Engagement, Negotiation, Strategic Planning
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Design, implement, and maintain network infrastructure across data centers, cloud environments, and offices. Develop network automation tools and firewall policies to enhance operational efficiency and security.
Requires extensive enterprise networking experience equivalent to CCNP/CCIE level with proficiency in routing protocols and network security. Candidates should have experience with Python scripting, Linux, and automation frameworks like Ansible or Terraform.
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.
iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading venues globally. The firm offers full-service prime brokerage and execution via its cutting-edge proprietary technology, as well as market leading analytics, cleared through the group’s bank Prime Brokers.
iSAM Funds is an alternative asset manager specialising in systematic investing. Each strategy is unique, provides a specialist quantitative approach and is designed to deliver highly diversifying absolute returns for institutional portfolios.
Summary:
We are actively seeking a highly skilled Network Engineer with a robust background in Wi-Fi, switching, routing, firewall technologies, and network automation principles. The ideal candidate will possess extensive knowledge of network protocols, network security, and automation frameworks to enhance overall network performance and reliability.
Responsibilities:
• Design, implement, and maintain network infrastructure across data centers, cloud environments, and office settings.
• Develop and implement firewall policies and VPN connectivity solutions.
• Install, configure, and cable network hardware within a data center environment.
• Collaborate closely with infrastructure and development teams to ensure that network solutions align with business requirements and adhere to engineering best practices.
• Develop and implement network automation tools to enhance operational efficiency and minimize manual intervention.
• Provide business-as-usual support for network infrastructure and participate in an on-call rotation.
• Produce and maintain comprehensive technical documentation.
Required Skills & Experience:
Core Networking
• Extensive enterprise and data center networking experience, with expertise equivalent to CCNP/CCIE level.
• Thorough understanding of networking fundamentals, including the OSI model, TCP/IP, routing, switching, and network design principles.
• Experience with:
o BGP, MP-BGP, VRF, and route leaking
o Internet and private peering connectivity
o Multicast technologies (IGMP/PIM)
o OSPF
Network Security
• Solid understanding of firewall policies, IPSEC VPNs, SSL technologies, and network security best practices.
• Experience in implementing and supporting Network Access Control (NAC) platforms such as Cisco ISE, Arista AGNI, or similar 802.1x solutions.
Automation & Observability
• Experience with Python scripting and network automation frameworks.
• Operational proficiency in Linux.
• Hands-on experience with some of the following tools:
o Ansible
o Terraform
o Jinja2
o NetBox
o Git, GitLab CI/CD
Bonus Qualifications:
• Experience with overlay networks (EVPN / VXLAN).
• Experience with cloud networking technologies across AWS, Azure, or GCP.
• Experience in low-latency, high-performance, or financial services environments.
• Familiarity with observability and monitoring platforms including:
o Prometheus
o Alert Manager
o Grafana
Key Outcomes:
Success in the Network Engineer role at iSAM extends beyond network management—it encompasses building relationships, problem-solving, and making a significant impact on the team and the organization.
• Contributes to a positive, inclusive team culture where knowledge sharing is encouraged.
• Enhances automation frameworks, thereby reducing manual effort and deployment risks.
• Resolves issues swiftly and documents solutions for future reference.
• Takes full responsibility for automation scripts, CI/CD pipelines, and Infrastructure as Code (IaC) tools.
• Recognized by peers and leadership as a dependable resource for automation challenges.
• Trusted to make informed decisions that align with team and company objectives.
iSAM is comprised of iSAM Funds and iSAM Securities. iSAM Funds is an alternative asset manager specializing in systematic investing. Each strategy is unique, provides a specialist quantitative approach and is designed to deliver highly diversifying absolute returns for institutional portfolios. Data providers may submit details of relevant datasets for consideration via our website - https://isam.com/dataset-providers/ iSAM Securities, regulated by the FCA and SFC, and CIMA registered, is a leading liquidity and technology provider, offering multi-asset liquidity, cutting-edge proprietary technology, prime services, and real-time risk analytics to institutional clients and trading venues globally.
Offices: 100 Bishopsgate, 10th Floor, London, EC2N 4AG, GB · 5100 Town Center Circle, Tower II, Suite 430, Boca Raton, Florida 33486, US
View all jobs at iSAMThere are currently 4,072 open technology positions in London, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Wise, Amazon, Capgemini, JPMorganChase, Marks and Spencer, among others. Browse the listings above to see every active employer.
Yes — 2668 of the 4072 open technology positions offer remote or hybrid work (392 remote, 2276 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
