We’re Hiring: Sales Development Representative (SDR) – UK & Europe - PKI and Digital Identity experience
📍 Location: United Kingdom (Remote)
🌍 Territory: UK, Ireland & Europe
🏢 Company: Sixscape
Join a high-growth, Singapore-based Cybersecurity & PKI leader shaping the future of digital trust.
At Sixscape, we are expanding fast on the back of a strong growth trajectory and increasing market demand for our next-generation Certificate Lifecycle Management (CLM), PKI Automation, and Post-Quantum Cryptography (PQC) solutions.
We’re looking for a UK-based Sales Development Representative (SDR) with proven experience in the Digital Certificate, PKI, CLM, or broader Machine Identity space to help accelerate our growth across the UK, Ireland, and Europe.
This is a fantastic opportunity to join a profitable, growing cybersecurity vendor, solving some of the most pressing identity and cryptographic challenges in the market today.
- Generate and qualify new enterprise opportunities across the UK, Ireland, and Europe
- Build and execute outbound prospecting campaigns targeting CISOs, Security Architects, PKI teams, and Infrastructure leaders
- Work closely with Sales, Presales, and Channel Partners to drive pipeline growth
- Identify customer pain points around certificate visibility, automation, compliance, and PQC readiness
- Engage prospects across sectors including Financial Services, Telecoms, Government, and Large Enterprise
- Develop strong relationships with System Integrators, MSSPs, and Reseller partners
- Maintain accurate pipeline activity and forecasting within CRM
- 3+ years in SDR, BDR, or Inside Sales within cybersecurity or enterprise software
- Strong knowledge of PKI, Digital Certificates, Certificate Lifecycle Management (CLM), TLS, S/MIME, or Machine Identity
- Experience selling or supporting solutions such as CLM, IAM, PAM, HSM, or Encryption technologies
- Proven ability to build pipeline through strategic outbound activity
- Experience engaging technical and business stakeholders
- Strong understanding of current trends including shortened certificate lifespans and Post-Quantum Cryptography (PQC)
- Based in the UK with the ability to cover European markets
✅ High-growth, profitable cybersecurity vendor
✅ Industry-leading PKI and Quantum-Safe solutions
✅ Channel-led business with strong enterprise traction
✅ Opportunity to work in one of the fastest-growing cybersecurity segments
✅ Competitive salary + uncapped commission
✅ Clear career progression into senior sales roles
- If you have the network, knowledge, and hunger to win in the digital trust and cryptographic security space, we’d love to hear from you.