Marlin Selection Recruitment

The opportunity
My client is a leading financial technology provider supplying trading and liquidity infrastructure to a broad client base, from large institutions to retail-focused brokers and their end clients. They are hiring an Application Support Engineer to join their customer-facing support and onboarding team.
You will be the first point of contact for clients on operational and technical issues, and will play a hands-on role in onboarding new clients, from initial setup through to go-live and ongoing support. You will adapt your approach to each client type: in-depth technical engagement with institutional desks, and clear, accessible guidance for retail-facing clients. It suits someone who enjoys problem-solving in a fast-moving trading environment.
Key responsibilities
<ul>
<li>Deliver customer support in line with agreed SLAs via email, phone and live chat, across both institutional and retail client segments</li>
<li>Support and onboard new institutional and retail clients, guiding them through implementation, configuration, testing and go-live</li>
<li>Act as technical first responder, triaging issues across network, OS and application layers, and prioritising and escalating by severity</li>
<li>Analyse logs, FIX messages and other primary sources to identify the root cause of trading and quoting issues</li>
<li>Work with clients to configure their setup, including liquidity provider details, order routing, trading platform connectivity and prime broker give-up arrangements</li>
<li>Manage upgrades and migrations of the platform and related software, carrying out full system check-outs on completion</li>
<li>Tailor communication and documentation to the client’s technical level, from experienced institutional connectivity teams to retail-focused users</li>
</ul>
Skills and experience
Essential
<ul>
<li>2-5 years’ experience supporting clients in financial services</li>
<li>Experience supporting or onboarding clients, ideally across both institutional and retail segments</li>
<li>Working understanding of the FIX protocol</li>
<li>Basic knowledge of TCP/IP and networking</li>
<li>Basic SQL (PostgreSQL, MySQL)</li>
<li>Power-user level proficiency with Microsoft Windows</li>
<li>Excellent verbal and written communication, with strong attention to detail</li>
<li>Able to manage several client conversations at once and make sound decisions under pressure</li>
</ul>
Personal attributes
<ul>
<li>Confident adjusting tone and technical depth to suit very different audiences</li>
<li>Keen to learn new tools and skills</li>
<li>Resilient, and enthusiastic about taking on tough challenges</li>
</ul>
Why this role?
<ul>
<li>Hands-on exposure to institutional trading infrastructure</li>
<li>A varied client base, giving you experience across both institutional and retail markets</li>
<li>Ownership of the client journey from onboarding through to live support, with clear routes to specialise</li>
<li>Hybrid working</li>
<li>Office Lunches provided</li>
</ul>

Application Support & Client Onboarding Engineer: Trading Technology

Application Support & Client Onboarding Engineer: Trading Technology

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