Your experience managing client systems, troubleshooting hardware and software, and maintaining network devices directly translates to the responsibilities of a Systems Administrator. You've worked with operating system installation (Windows & Linux), network fundamentals, and hardware repair, which are core skills for this role. Managing user accounts and organizational device accounts are directly transferable skills.

Your experience with voice network systems, PWCS (Personal Wireless Communication Systems), and general network troubleshooting provides a strong foundation for a Network Engineer role. You understand network configuration, maintenance, and security procedures. Learning more about modern network infrastructure, cloud networking, and automation will be key.

Given your experience with IT project management, systems maintenance, and network fundamentals, you can transition to Cloud Engineering. The skills you have with system modeling and degraded-mode operations will assist in the transition. You'll need to learn cloud-specific technologies, but your background provides a solid base.

Your work reporting security incidents, executing corrective security procedures, and managing cryptographic client devices (CCI) offers relevant experience for a Security Engineer role. Your procedural compliance skills are essential. Focus on learning modern security tools, cloud security best practices, and incident response techniques.