Senior Systems Administrator

Why Entersekt

Founded over 16 years ago, with more recent investments from Accel-KKR, Entersekt is a leader in digital banking fraud prevention and payment security, including mobile authentication, mobile app security, and 3D Secure authentication for issuers, acquirers and payment networks. We offer highly scalable products with a track record of success across multiple continents.

Entersekt enables secure digital transactions for leading financial institutions globally. We exist to create a world where everyone can transact digitally without fear or compromise. Currently, we protect the digital transactions of over 210 million active users on our platform and hold 120 active patents that recognize innovation in digital security, payments, and user experience. Entersekt offers customers secure authentication and digital payments experiences that remove unnecessary friction. Entersekt has a diverse product portfolio and aggressive roadmap that positions the company well to sustain competitive advantage as it expands globally with emphasis on North America and European markets.

The Ideal Candidate

You thrive in an environment of organised chaos. You can hold ownership of long‑running infrastructure projects, while also dropping everything to troubleshoot urgent network, system or application issues.

You are comfortable following strict procedures where required, and applying pragmatic judgement and creative problem solving when needed. You approach gaps in your knowledge with an "I don't know yet" mindset, and you enjoy sharing knowledge and teaching skilled colleagues new approaches.

The Role

As a Senior Systems Administrator, you will be part of a small, highly capable team responsible for building and m