Founding Enterprise Sales Manager

About the role

Siftstack delivers observability infrastructure purpose-built for engineering teams that manage high-frequency telemetry in aerospace, defense, and robotics. The founding Enterprise Sales Manager will own the establishment of our European market presence and the execution of a scalable customer growth strategy from the ground up. This role is responsible for owning the end-to-end sales process, from initial hypothesis through to expansion and renewal within strategic engineering organizations. You will act as the primary commercial voice for Siftstack, translating complex platform capabilities into clear business value for mission-critical environments. Success in this position will be measured by your ability to penetrate demanding technical markets and convert early design discussions into long-term production deployments. You will build the playbook for selling into aerospace, defense, and robotics from first principles in the European context. This is a foundational leadership position that will directly shape the commercial trajectory of the company in regulated and high-assurance sectors.

Key facts

What you'll do

• Prospect and generate new business within engineering-focused organizations throughout Europe, targeting teams responsible for high-frequency telemetry and operational data.
• Manage full-cycle sales engagements, navigating complex buying committees and executive sponsors from initial contact to contract execution.
• Lead technical discovery sessions to uncover system architecture, data workflows, and critical reliability requirements for observability platforms.
• Coordinate with solutions engineering and product teams to design and facilitate technical evaluations that demonstrate clear value against current monitoring solutions.
• Navigate procurement, security, and legal requirements for enterprise and government-adjacent clients, ensuring compliance with strict regulatory standards.
• Collaborate with leadership to define the European go-to-market strategy, including target segments, messaging, and competitive positioning.
• Support future team hiring by providing feedback on role requirements, assessing candidate fit, and helping to build a high-performing sales organization.
• Maintain accurate sales forecasts, pipeline management, and reporting to ensure transparency and alignment with company objectives.
• Develop deep domain expertise in aerospace, defense, and robotics to articulate how real-time telemetry observability reduces risk and improves system reliability.
• Champion the product vision within client organizations, positioning Siftstack as a strategic partner rather than a simple tooling vendor.
• Drive adoption of sales methodologies tailored to complex technical environments, ensuring every interaction advances the opportunity toward closure.
• Identify and mitigate commercial risks early in the sales cycle, protecting the company while maintaining forward momentum.
• Build and maintain trusted relationships with technical architects, reliability engineers, and operations leaders who influence purchasing decisions.
• Represent the company at key industry events and conferences across Europe, strengthening the Siftstack brand in critical markets.

Requirements

• 6-10+ years of experience in quota-carrying sales roles within enterprise or complex B2B environments.
• Proven history of selling complex technical products, such as SaaS, infrastructure platforms, or engineering software to demanding organizations.
• Ability to engage effectively with technical stakeholders including system architects, engineers, and reliability specialists.
• Experience managing enterprise-level sales cycles that involve extended timelines and multiple decision-makers.
• Capacity to quickly learn and articulate complex technical concepts in a clear, persuasive manner to diverse audiences.
• Demonstrated success in meeting or exceeding revenue, quota, and pipeline targets in previous roles.
• Based in or able to work from London, with the capability to travel across the EU for client meetings and industry events.
• Strong understanding of security, compliance, and procurement processes relevant to enterprise software sales.
• Commitment to maintaining the highest level of professionalism and integrity in all client interactions.

Practical notes

• This is an onsite role in London requiring travel within the EU for client meetings and industry events.
• The role requires availability during standard European business hours for engagements with international clients.
• Candidates must be eligible to work in the United Kingdom without sponsorship, as the position is based in London.
• Travel may include attendance at aerospace, defense, and robotics conferences across Europe to build awareness and generate leads.
• The successful candidate will be expected to adhere to the company's code of conduct and data handling policies at all times.
• This position offers equity participation as part of the total compensation package, aligning personal success with long-term company value creation.
• Relocation support is not provided for this role, and candidates must already be established in the London area.
• Performance reviews will be conducted regularly to assess progress against commercial objectives and professional development goals.
• The role demands a high degree of self-motivation, discipline, and ownership to thrive in a fast-paced, early-stage environment.