A leading technology firm is seeking a Senior IT Systems Engineer for a contract position in London. This role requires active DV clearance and involves delivering a pre-production test environment for a secure messaging system. Candidates must have experience with Linux, RedHat, and OpenShift platforms, and will be expected to work on-site at least four days a week. This position offers an opportunity to contribute to critical infrastructure in a dynamic environment. #J-18808-Ljbffr