Account Manager (AdTech)

Sigma Software

About The Position

The Account Manager will focus on strategic account development, Customer engagement, and business expansion at Stellar, Sigma Software’s dedicated AdTech business unit. The role centers on building long-term Customer relationships and driving growth, working closely with delivery teams and business stakeholders. The position offers work with international Customers and the opportunity to influence business growth as part of a professional community with AdTech expertise. Remote or hybrid cooperation can be discussed depending on the candidate’s location.

Requirements

At least 5 years of experience in Project Management and/or Program Management.
Proven Account Management experience within a service-based IT company.
Strong understanding of operational processes in European and US-based corporations.
Successful track record of developing and scaling Customer accounts.
Hands-on experience creating, negotiating, and managing delivery contracts.
Strong commercial mindset and ability to identify business opportunities.
Excellent communication, stakeholder management, and negotiation skills.
Ability to build strategic, long-term Customer partnerships.
Experience balancing Customer expectations with operational capabilities.
Structured, analytical, and solution-oriented mindset.
Upper-Intermediate or higher level of English.

Nice To Haves

Experience in the AdTech domain.
Background working with distributed international teams.
Experience collaborating with executive-level stakeholders.
Understanding of software delivery lifecycle and engineering processes.
Experience participating in pre-sales or business development initiatives.

Responsibilities

Build and maintain long-term, trust-based relationships with Customers.
Act as the primary point of contact for strategic account discussions.
Identify and drive growth opportunities within existing accounts.
Collaborate with delivery teams on upsell and cross-sell initiatives.
Monitor Customer satisfaction and proactively mitigate risks.
Align Customer expectations with operational and delivery capabilities.
Translate business needs into structured internal action plans.
Partner with Project Managers and delivery stakeholders to ensure transparency and predictability.
Support contract extensions, commercial negotiations, and account planning activities.
Contribute to long-term account development strategies.
Facilitate effective communication between Customers and internal teams.
Drive continuous improvement in Customer engagement processes.