Infrastructure Engineer

Marex has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights, and analytics.

The Technology Department delivers differentiation, scalability, and security for the business. Reporting to the COO, Technology provides digital tools, software services and infrastructure globally to all business groups. Software development and support teams work in agile 'streams' aligned to specific business areas. Our other teams work enterprise-wide to provide critical services including our global service desk, network and system infrastructure, IT operations, security, enterprise architecture and design.

IT runs our enterprise-wide services to end users and actively manages the firm's infrastructure and data to provide and accelerate business value. A Data team enables the firm to leverage data to increase productivity and improve business decisions, as well as maintain data compliance. Our Infrastructure group delivers operations and engineering across Infrastructure Operations, Network, Communications, Endpoint and Platform Engineering.

Infrastructure Operations is responsible for the stability, scalability, and reliability of Marex's global technology platforms. This team ensures seamless day-to-day operations across cloud and on-premises environments, including Azure, AWS, VMware, Citrix, storage services, and Office 365 products. By leveraging automation, proactive monitoring, and best practices in site reliability engineering (SRE), Infrastructure Operations minimizes downtime, optimizes performance, and enhances security. The team collaborates closely with business units to drive innovation, streamline processes, and support Marex's strategic technology initiatives.

Role Summary

The Infrastructure Engineer applies specialist expertise in on-premises and cloud technologies to build, improve, and upgrade infrastructure systems across multiple platforms, including Virtualization, Office 365, Azure, AWS, and Domain Services. The ability to analyse systems and implement enhancements is fundamental to this role. The successful candidate must have hands-on experience in troubleshooting and resolving complex infrastructure issues and proven experience in automating manual tasks via scripting languages.

The Infrastructure Engineer collaborates with the global IT team across APAC, Europe, and North America to monitor and maintain infrastructure systems, ensuring maximum uptime and optimal service delivery to the business.

We are seeking an engineer with a passion for automation and scripting to enhance and streamline our operations and engineering practices. The ideal candidate will leverage one or more scripting languages, Ansible, and Infrastructure as Code (IaC) tools to automate our configurations, monitoring, and troubleshooting.

Role Responsibilities

• Assist in monitoring, maintaining, and optimizing infrastructure systems.
• Contribute to site reliability engineering practices, improving system uptime and resilience.
• Develop and maintain automation scripts to reduce manual operational tasks.
• Monitor system health using tools like Splunk, Grafana, and Opsgenie, responding proactively to incidents.
• Participate in on-call rotations and incident response to minimize downtime.
• Document standard operating procedures and contribute to knowledge-sharing initiatives.
• Work with the Service Desk to streamline issue resolution and support automation adoption.
• Be available on weekends to carry out infrastructure changes.
• Participate in Agile working methodology, delivering projects in sprints.
• Follow the change control process for making changes to the production environment.

Other Responsibilities:

• Ensure compliance with the company's regulatory requirements under the FCA.
• Adhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with.
• Role model for demonstrating highest level standards of integrity and conduct and reflecting Company Values.
• At all times comply with the FCA's Code of Conduct.
• Ensure that you are fully aware of and adhere to internal policies that relate to you, your role or any other activities for which you have any level of responsibility.
• Report any breaches of policy to Compliance and/ or your supervisor as required.
• Escalate risk events immediately.
• Provide input to risk management processes, as required.
• The Company may require you to carry out other duties from time to time

Skills and Experience
Essential:

• Experience with monitoring, logging, and alerting tools (Splunk, Grafana, Opsgenie, PRTG).

• Familiarity with automation and scripting languages (PowerShell, Python).

• Exposure to Infrastructure as Code (Terraform, Ansible) for system configuration.

• Strong understanding of cloud platforms (Azure, AWS), VMware, Citrix, storage services, and Office 365 products.

• Expertise in troubleshooting skills in Linux and Windows environments.

• Willingness to learn and work collaboratively within a global IT team.
Desirable:

• A degree in Computer Science, IT, or related field is preferred but not required.

• Relevant certifications (AWS, Azure, Office 365, VMware) are a plus.

Competencies:

• A collaborative team player, approachable, self-efficient and influences a positive work environment.

• Demonstrates curiosity.

• Resilient in a challenging, fast-paced environment

• Ability to take a high level of responsibility in a fast pace and high-volume environment.

• Excels at building relationships, networking and influencing others.

• Strategic collaborator with insight and agility, able to anticipate future challenges, ensuring operational effectiveness

Company Values

Acting as a role model for the values of the Company:

Respect - Clients are at the heart of our business, with superior execution and superb client service the foundation of the firm. We respect our clients and always treat them fairly.

Integrity - Doing business the right way is the only way. We hold ourselves to a high ethical standard in everything we do – our clients expect this, and we demand it of ourselves.

Collaborative - We work in teams - open and direct communication and the willingness to work hard and collaboratively are the basis for effective teamwork. Working well with others is necessary for us to succeed at what we do.

Developing our People - Our people are the basis of our competitive advantage. We look to "grow our own" and make Marex the place ambitious, hardworking, talented people choose to build their careers.

Adaptable and Nimble - Our size and flexibility are an advantage. We are big enough to support our client's various needs, and adaptable and nimble enough to respond quickly to changing conditions or requirements. A non-bureaucratic, but well controlled environment fosters initiative as well as employee satisfaction.

Conduct Rules

You must:

• Act with integrity

• Act with due skill, care and diligence

• Be open and cooperative with the FCA, the PRA and other regulators

• Pay due regard to the interests of customers and treat them fairly

• Observe proper standard of market conduct

• Act to deliver good outcomes for retail customers