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Senior IT Infrastructure Engineer
Senior IT Infrastructure Engineer-October 2024
London
Oct 30, 2025
About Senior IT Infrastructure Engineer

  The Trade Desk is a global technology company with a mission to create a better, more open Internet for everyone through principled, intelligent advertising.

  Handling over a trillion queries per day (more than 100X the query volume of search globally), our platform operates at unprecedented scale. We have also built something even stronger and more valuable: an award-winning culture based on trust, empathy, collaboration, and ownership. By working together across typical dividing lines, we are better as a team than any of us could be apart.

  Do you have a passion for solving hard problems at scale? Are you eager to join a trust-based, globally connected team, where your contributions will make a meaningful difference?

  Come and see why Fortune Magazine consistently ranks The Trade Desk among best small-medium sized workplaces globally.

  Job Summary

  The Senior IT Infrastructure Engineersupports, installs, configures, and maintains the organisation's global corporate/internal network, telephony services and supports the company's global security program. The role will be responsible for driving and organising corporate office site builds, implementing various network/telephony projects, upgrades and participates in strategic planning to meet our company objectives. The ideal candidate will be a knowledge expert who is energised by hands on involvement in design, implementation, technology, and problem solving.

  Essential Functions

  1. Designs, coordinates, installs, administers, tracks, maintains, recommends and is potentially responsible for:

  Global site builds technologies and IT office blueprintsCoordination of operational resources for site buildsCorporate IT site Infrastructure standards encompassing MDF, IDF standards and environmental requirements.Data Cabling designs (Cat 6, Fiber, composite)Data & voice circuit installation and Circuit ManagementRegional and remote office physical network infrastructure architectureCoordination of Corporate Network LAN/WAN (Meraki) & Cloud based telephony (Zoom Voice/Ring Central)Corporate site to site and client VPN, Office Wi-Fi ServicesRADIUS Authentication, 802.1xCommunications subsystems (VoIP, Zoom Voice, Zoom Meeting Room Collaboration)Network projects and standards encompassing LAN, WAN, high availability strategies, QoS, IP, MPLS, VoIP/IP Telephony and office infrastructure.Network security control systems with Meraki Advanced Security, IPS, URL filtering, Web Proxy, DDOS mitigation etc.Network management systems for network and infrastructure monitoring

  2. Contributes as a key technical project resource for new site builds across a mixed Windows and MacOS environment, (60%/40%).

  3. Creates and maintains efficient documentation for IT Standards, Policies, Procedures and KB

  4. Maintains a high level of communication and positive professional relations with our current and/or future vendors and suppliers.

  5. Leverages best practices approach towards projects, implementations, and issue resolution; ability to provide status updates and reports.

  6. Operationalise processes that can be performed by the Operations Team.

  7. Provides tier-3 helpdesk support for domain area as needed.

  8. Maintains a high quality of technical support to ensure effective productivity for the management, established employees, and future THE TRADE DESK team members.

  9. Participates in security incident response processes and activities as appropriate.

  10. Demonstrated deep experience with network protocols (TCP/IP, DNS, DHCP, IPSEC) certificates and directory authentication integrations.

  11. Other duties as assigned.

  Education and Experience

  1. Bachelor's degree in related IT field or equivalent experience; Cisco certification desired but not required with demonstrated experience.

  2. Five to eight years of experience in a similar hands-on operations and engineering role working with:

  New site deployments and equipment provisioning or replacement through both in-person installations and pre-configure / ship for remote guided installations.Site-build design and implementation for deployment of low voltage, AV, and IT communication rooms (MDF/IDF).Designing, troubleshooting, and maintaining Cisco routers, firewalls, layer 2 / layer 3 switches, wireless access points and VPN.Wireless layout and channel optimization, Meraki Advanced Security, QoS prioritization, Traffic shaping, HA/Failover, BGPNetwork security access control systems with IPS, Anti-Malware, Anti-virus, URL filtering, Web Proxy, DDOS mitigation etc.Advanced network tracing tools

  3. Two to five years configuration experience working with:

  New circuit provisioning and carrier managementMeeting management software (Zoom, Microsoft Teams)Project Management software (Smartsheet, others)Cloud PBX (Ring Central, Zoom Voice)Azure infrastructure, virtual networks, and virtual devices

  4. Experience with supporting offsite and international users required.

  5. Previous experience working for a hyper-growth company is preferred.

  6. Prior experience working with the ITIL framework in a SOX regulated environment is highly preferred.

  Other Requirements

  Attendance: Must maintain regular and acceptable attendance.Must be able to lift up to 23 kilos.Regular Hours: Must be regularly available and willing to work at least 8 hours per day, five days per week, or such other hours per day or hours per week as we determine are necessary or desirable to meet business needs.Overtime: Must be available and willing to work such overtime per week as we determine is necessary or desirable to meet business needs.Weekend and Holiday: Must be available and willing to work such weekends and holidays as we determine are necessary or desirable to meet THE TRADE DESK business needs.Will be required to carry a company-funded smart phone and expected to respond to urgent calls in a timely manner. This may require remote or occasional on-site support.

  The Trade Desk does not accept unsolicited resumes from search firm recruiters. Fees will not be paid in the event a candidate submitted by a recruiter without an agreement in place is hired; such resumes will be deemed the sole property of The Trade Desk. The Trade Desk is an equal opportunity employer. All aspects of employment will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law.

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