We are seeking a Senior Platform Services Engineer to join our Platform Services team within Customer Success. This role is central to deploying, operating, and supporting the Istari platform across customer environments, from pre-sales technical scoping through production operations and ongoing support. This engineer will work directly with customers and cross-functionally with sales, product engineering, and infrastructure teams to deliver reliable, secure platform deployments. Our customers include defense, aerospace, and commercial organizations operating in regulated, security-sensitive environments; this engineer should be comfortable operating within established security and compliance baselines across AWS GovCloud, Azure IL5, on-premises, and air-gapped networks. The ideal candidate combines strong hands-on infrastructure expertise with customer-facing communication skills, a consulting mindset, and a bias toward automation.