Full-Time
Senior Windows Engineer
Posted on 1/31/2025
ION Group
5,001-10,000 employees
Provides automated software platforms for trading
No salary listed
New York, NY, USA
In Person
 IT & Security (1) |
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- Senior Windows Engineer / Administrator, Financial or Trading Experience is a plus.
- Bachelor's Degree from a 4-year university in computer science, information science, or related technical field.
- Excellent written and verbal communication skills.
- Thorough knowledge (5+ years) of Windows deployment, administration, networking, performance monitoring/tuning, security hardening, troubleshooting and production operations.
- Highly organized, self-motivated, multi-task, able to work independently, and a team player.
- Must have operations experience in 24/7 environments
- Must be knowledgeable of Windows Servers 2016 – 2022 and Active Directory.
- Experience supporting Citrix is a plus
- Must be willing to work some weekend shifts in support of maintenance and participate in On-call for overnights, weekends, and holidays on a rotational basis.
- System configuration experience (PowerShell, Ansible)
- System monitoring experience (SNMP, Nagios, OMD, HPE One View, etc.)
- Familiarity with Ticket systems (Remedy and Jira)
- Have familiarity with basic Linux commands.
- Working knowledge of virtualization (VMware, Hyper-V, etc.) is a plus
- Working knowledge of HPE SAN (Primera) is a plus
- The ideal candidate will have worked within the financial industry with a robust Windows implementation and support background.
- Employees must be legally authorized to work in the US.
- The Senior Windows Engineer / Administrator will be added to an existing Global IT team where they will interact with all IT functional areas (e.g., Architecture, Design, Licensing, Helpdesk/Desktop Support, and Application Development)
- The Senior Windows Administrator will work in a dynamic, heterogeneous environment and must have an extensive technical background, including experience in troubleshooting, monitoring, maintenance, and networking
- Citrix support experience is a plus
- Financial or Trading Experience is a plus
- Working knowledge of virtualization is a plus
- HPE Storage Area Network Primera knowledge is a plus
ION Group delivers software platforms and APIs that automate trading, processing, and risk management for institutional clients in global financial markets. Its products connect to multiple trading venues and exchanges, enabling efficient, accurate transactions and streamlined operations. The company earns revenue from software licensing, subscriptions, and professional services, including customization and support. ION differentiates itself by expanding through acquisitions to stay agile and by offering integrated automation across trading, processing, and risk management, backed by a broad connectivity footprint. The goal is to help clients achieve greater efficiency and reduce operational risk in their financial workflows.
Company Size
5,001-10,000
Company Stage
Growth Equity (Venture Capital)
Total Funding
$438.5M
Headquarters
London, United Kingdom
Founded
1998
Simplify's Take
What believers are saying
- XTP for Event Contracts launched with Wedbush in December 2025 ahead of Super Bowl.
- Treasury VoP capabilities live in Germany since April 2026, serving 1,100 global clients.
- €1.35 billion Prelios acquisition in July 2024 expands into asset management services.
What critics are saying
- SEC or CFTC bans retail prediction markets within 6-18 months, killing XTP revenue.
- Wedbush operational failure within 12-24 months eliminates ION's sole FCM partner.
- VoP logic failures trigger EU customer fines and ION liability within 12-18 months.
What makes ION Group unique
- ION's Multi-Market Interface automates trading across derivatives, forex, and fixed income markets.
- XTP platform enables 24x7 event contract processing with real-time settlement for prediction markets.
- Proprietary ownership of Acuris and Dealogic provides exclusive financial data advantages.
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Benefits
Health, dental, and vision insurance
AD&D and disability insurance
Flexible spending account
Health savings account
Life insurance
Mental health care
401K plan
Performance bonus
Supplemental workers' compensation
Family medical leave & parental leave
PTO, paid holidays, sick days, bereavement leave, and volunteer time off
Commuter checks
Company social events
Employee assistance program
Free lunch
mobile phone discount
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↑ 0%2 year growth
↑ 0%ION wins Market Surveillance Solution of the Year at FOW Asia Pacific Awards 2025. 17 October 2025 LONDON - 17 October 2025: ION, a global leader in trading and workflow automation software, high-value analytics and insights, and strategic consulting to financial institutions, central banks, governments, and corporates, announces that LookOut has been named "Market Surveillance Solution of the Year" at the FOW Asia Pacific Awards 2025. The awards, hosted by Futures & Options World (FOW), recognize excellence and achievements in the Asian derivatives industry. LookOut is a global, multi-compliance solution for trade surveillance, record keeping, and regulatory reporting. The solution enables brokers, investment banks, asset managers, and trading venues to meet regulatory requirements across different asset classes. The product's broad coverage - including market manipulation, insider trading, best execution and trading obligation monitoring, market-making, and market integrity surveillance - earned it the top honors. LookOut features over 50 built-in detection algorithms and complies with global and regional trade surveillance regulations across EMEA, North America, and APAC. Over the past few years, ION has made strategic investments in artificial intelligence and machine learning, resulting in the development of a Machine Learning Toolkit (MLT). LookOut used the toolkit to build a Machine Learning for Alarm Classification (MLAC) module, streamlining alert triage and case management, and significantly reducing the time compliance teams spend on analysis. Mirko Marcadella, Head of Product for Risk & Market Surveillance Solutions in Markets, ION, said: "We are honored that our LookOut solution has been recognized as the Market Surveillance Solution of the Year. This award reflects our commitment to delivering best-in-class technology that empowers our clients, in Asia, as well as globally, to navigate complex regulatory challenges. Over the past few years, we've significantly expanded our investment in AI and machine learning. Combined with native integration across other ION solutions, these innovations have strengthened our market presence and helped our clients streamline surveillance operations, reduce response times, and improve overall efficiency."
LONDON, July 7, 2025 /PRNewswire/ - ION, a global leader in trading and workflow automation software, high-value analytics and insights, and strategic consulting to financial institutions, central banks, governments, and corporates, announces that its Fidessa platform has won "Best Sell-Side OMS" at Capital Markets Technology Awards APAC 2025.
LONDON, May 23, 2025 /PRNewswire/ - ION, a global leader in trading and workflow automation software, high-value analytics and insights, and strategic consulting to financial institutions, central banks, governments, and corporates, announces that its Fidessa Algorithms has won "Best algo trading solution" at the WatersTechnology Asia Awards 2025.
LONDON, May 22, 2025 /PRNewswire/ -- ION Commodities, the leading global provider of energy and commodity trading and risk management (ETRM/CTRM) solutions, has been named CTRM Software House of the Year at the prestigious Energy Risk Awards 2025.Each year, Risk.net – the world's leading source of in-depth news and analysis—hosts the Energy Risk Awards to recognize excellence in the commodity markets. The awards distinguish companies across global commodity markets for their innovation and leadership.This recognition highlights ION Commodities' continued commitment to delivering innovative, scalable, and future-ready solutions that empower organizations to navigate an increasingly volatile and complex trading environment. It underscores ION's role as a trusted partner in driving digital transformation and operational resilience across global commodity markets.In recent years, ION has significantly invested in its CTRM portfolio—continuing to expand its functionality for traditional fossil fuel-based commodities while also advancing capabilities to support the energy transition. This dual focus enables businesses to navigate both long-term market shifts and near-term disruptions, while meeting growing regulatory and sustainability demands.With investments in AI, real-time analytics, cloud-native architecture, and integration across traditional and renewable fuels, biogas, carbon, and power markets, ION supports a diverse range of energy and commodity businesses in transforming and streamlining new and existing operations. Many companies have turned to ION to modernize their global trading operations, integrate renewables, and optimize supply chains. From SaaS solutions like Aspect to enterprise-scale C/ETRMs like Openlink, TriplePoint, RightAngle, and Allegro, ION's technology enables real-time risk mitigation, cross-market visibility, and long-term scalability."This recognition underscores ION's role in supporting businesses navigating the complex realities of today's global commodity markets," said Sunil Biswas, Chief Executive Officer of ION Corporates
The Creditflux awards are the only credit fund and CLO industry awards solely determined by data and metrics, showcasing the market's best performers. LONDON, May 16, 2025 /PRNewswire/ -- Creditflux, a Debtwire service and part of ION Analytics, and the leading source for CLO and credit trading news, data, and analysis globally, hosted its 17th annual CLO Manager Awards at the Nobu Hotel in London on 15 May 2025. The global collateralized loan obligation (CLO) community came together to recognize the best-performing CLOs, managers, and funds across the USD 1.4tn global CLO market. This year, over 90 CLO managers and CLO fund managers submitted performance data for the awards. The category winners were announced live during the Creditflux Manager Awards Dinner, attended by 350 guests