Senior Software Engineer, AIX

What We Are About:

Our guiding philosophy in Engineering is to get things right through practicing disciplined engineering, focusing, not cutting corners, and of course having fun while we are at it. We believe in enabling ownership at all levels of the organization and empowering teams. If you thrive in this culture, come join us, we are changing how enterprises secure their applications.

What You Will Accomplish:

  • As a Senior Engineer on the VEN Platform team, you will write end-point software.

  • You own and design features for the Virtual Enforcement Node, from concept, design, development to release and support, as well as provide company-wide engineering leadership on the AIX platform.

  • You will work directly with various Engineering teams, Product Management and customers to bring desired features to market. 

  • Your software is part of a distributed system running on some of the most critical and sensitive application workloads across the globe, in order to enforce security policies within the Illumio Adaptive Security Platform. 

  • Your C++ code will contribute to a lean agent that delivers security by building on proven, pre-existing mechanisms inside the AIX operating system as well as other Unix operating systems (Linux, Solaris).

  • You will bring expertise in building system services combined with extensive AIX platform knowledge that can be leveraged to build innovative solutions and services

  • You are highly skilled at solving problems, are motivated and self-driven, and are ready to work with a small, senior, strong team of engineers in a quickly growing company

What You Will Bring:

  •  ~10+ years of experience in Unix systems API software development, remote developers OK

  • Strong AIX knowledge as well as experience building and delivering software to customers on AIX is required; Linux and Solaris experience is highly desirable.

  • Solid networking fundamentals (L2-L7); SDN and encapsulation experience desirable.

  • Deep understanding of the IPFilter and/or IPTables; open-source firewalls is desirable

  • Experience developing multi-threaded and multi-process applications

  • Solid experience with high performance and scalable systems

  • Languages: Strong C++, C

Who We Are

Illumio enables organizations to realize a future without high-profile breaches by providing visibility, segmentation, and control of all network communications across any data center or cloud. Founded in 2013, the world’s largest enterprises, including Morgan Stanley, BNP Paribas, Salesforce, and Oracle NetSuite, trust Illumio to reduce cyber risk. For more information, visit

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