{"id":774846,"url":"https://alion.io/job/g-research-low-latency-network-engineer","title":"Low Latency Network Engineer","company":{"id":445185,"name":"G-Research","domain":"gresearch.com","url":"https://alion.io/company/g-research","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":88,"open_postings":61,"ghost_share":0.115,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":77,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":52000,"max_usd":119000,"period":"year","method":"role_country_seniority_unknown","sample_n":35},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Git","optional":false},{"name":"Jenkins","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-07-29T00:00:00Z","employer_posted_date":"2026-07-29","last_verified_at":"2026-10-31T21:53:35Z","board_verified":true,"closed_at":null,"days_open":95,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":94},"description":"We tackle the most complex problems in quantitative finance by bringing scientific clarity to financial complexity.\nFrom our London HQ, we unite top researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas.\nAs part of our engineering team, you’ll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm.\nTake the next step in your career.\nThe role\nG-Research is going through an exciting period of growth in our co-location and low-latency platform. As part of our transformation, we are looking for a highly skilled low latency network engineer to join our Colo Infrastructure team.\nYou will design and build highly available network solutions for our low latency platform as well as the tooling and workflows to ensure the infrastructure is robust, observable and engineered for speed and availability.\nThe infrastructure is highly automated and you will maintain and develop this automation to enable rapid deployment of new infrastructure whilst maintaining reliable operations.\nKey responsibilities of the role include:\nDesigning and building new co-location network solutions to meet the needs of the platform\nOptimise the performance, latency and throughput of the infrastructure \nLifecycle management and monitoring of Colo Network environment\nDeveloping automation and operators to build and extend the infrastructure\nWorking with other platform and development teams to help define standards, best practices and onboard new capabilities onto the platform\nContributing to incident response and production reliability\nOn-call responsibilities for the most critical parts of the infrastructure\nWho are we looking for?\nWe’re looking for a skilled network engineer with technical experience of managing high performance, low latency, scalable and resilient network infrastructure solutions.\nThe ideal candidate will have the following skills and experience:\nDesigning and building highly available, mission critical networks\nOptimising low latency networks (including layer 1 switching, RF, LEO, dark fibre), timing solutions (using GPS, PTP, PPS, White Rabbit and NTP)\nBuilding packet capture and analysis solutions (including optical taps, SPAN, tap aggregation and timestamping)\nRunning product evaluation and testing\nBuilding networks and market connectivity in exchange collocations\nEvaluating WAN connectivity options for optimal diversity and latency\nMulticast configuration and troubleshooting\nIn-depth understanding of automation tools, including Git, Python, Jenkins and Ansible\nWhy join us?\nHighly competitive compensation plus annual discretionary bonus\nLunch provided (via Just Eat for Business) and dedicated barista bar\n35 days’ annual leave\n9% company pension contributions\nInformal dress code and excellent work/life balance\nComprehensive healthcare and life assurance\nCycle-to-work scheme\nMonthly company events\nG-Research is committed to cultivating and preserving an inclusive work environment. We are an ideas-driven business and we place great value on diversity of experience and opinions.\nWe want to ensure that applicants receive a recruitment experience that enables them to perform at their best. 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