As an experienced Network, Cybersecurity, VoIP, and System Engineer with well over a decade in the field, I am exactly the person you need for your urgent Linux system administration project. Having dealt with Linux servers extensively, including RHEL 8 and Ubuntu 22, installing and managing software to ensure smooth operation is virtually second nature to me.
In addition to my strong troubleshooting skills, I have had the privilege of working with countless vendors during my extensive career, including the likes of Cisco, VMware, IBM among others. This exposure has equipped me with indepth familiarity with a wide variety of software - essential when installing OpenSearch, PostgreSQL and NGINX as you require.
Furthermore, I am accustomed to working within tight timelines; ensuring that tasks are completed efficiently without compromising quality is one of my trademarks. Something else that sets me apart- my approach to work is based on industry best practices. In this way you can be certain that your project will be not only completed on time but also done optimally. Thank you for considering me for this project; the prospect of collaborating with you excites me. Let's get started right away!