Technical Account Manager - Self-Serve DSP & Client Success

Blis; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Blis is seeking a Self Service Technical Account Manager to support advertisers and agencies across the UK and international markets. You will be the go-to expert for day-to-day campaign operations, platform support, and enablement sessions to ensure confidence from day one.

You’ll onboard clients to the Blis DSP, monitor campaigns, surface insights, and collaborate with Product, Sales, Ops, and Insights teams to drive adoption and optimal outcomes.

Qualifications

• 2–4 years’ experience in programmatic advertising, preferably in a client-facing or campaign management role (e.g. The Trade Desk, DV360, StackAdapt, Xandr, or similar DSP).
• Solid working knowledge of DSP campaign setup, pacing, targeting, reporting, and troubleshooting.
• Technically adept — comfortable with pixel implementation, tagging, and diagnosing issues across ad tech stacks.
• Highly analytical, with the ability to interpret performance data and translate it into clear, actionable recommendations for clients.
• Excellent communication skills, with the ability to simplify the complex and support clients at varying levels of technical sophistication.
• Detail-oriented, solutions-driven, and comfortable managing multiple accounts in a fast-moving environment.
• Demonstrated ability to build trusted client relationships and act as a reliable partner.

Responsibilities

• Serve as the primary day-to-day point of contact for a portfolio of self-serve clients across the UK and international markets.
• Provide technical support and consultative guidance to clients on DSP campaign setup, pacing, targeting, troubleshooting, and reporting.
• Onboard new self-serve clients onto the Blis DSP, delivering enablement sessions and training to ensure platform confidence from day one.
• Monitor campaign performance directly within Blis DSP and proactively surface insights, flag issues, and recommend optimisations.
• Contribute to post-campaign analyses (PCAs) and Quarterly Business Reviews (QBRs) with clients, in partnership with the Self-Serve Lead.
• Partner with Sales, Product, Ops, and Insights teams to ensure smooth campaign activation, delivery, and measurement.
• Act as the voice of the client internally — identifying platform friction points and feeding back to Product.
• Identify opportunities within your portfolio for deeper platform adoption, new feature usage, or channel expansion (CTV, Audio, DOOH).
• Support pixel implementation, tagging, and basic ad tech troubleshooting across client setups.
• Over time, informally support the onboarding and development of more junior team members.
• Maintain a strong understanding of programmatic trends including cookieless solutions, identity, and channel innovation.

Skills

Programmatic advertising

Client-facing

DSP troubleshooting

Pixel implementation

Data analysis

Communication skills

Multi-account management

Collaboration

Tools

The Trade Desk

DV360

StackAdapt

Xandr

Job description

Blis is seeking a Self Service Technical Account Manager to support advertisers and agencies across the UK and international markets. You will be the go-to expert for day-to-day campaign operations, platform support, and enablement sessions to ensure confidence from day one.

You’ll onboard clients to the Blis DSP, monitor campaigns, surface insights, and collaborate with Product, Sales, Ops, and Insights teams to drive adoption and optimal outcomes.