Adonai Enyiema
Network Administrator
Fayetteville
Summary
Mission-driven Network Operations Specialist with nearly 5 years of hands-on experience in the U.S. Army, delivering secure, high-availability communications in high-pressure environments. Proven success in designing, securing, and optimizing enterprise-grade networks across LAN/WAN environments, including VoIP, SATCOM, and tactical infrastructure. Skilled in Cisco and Juniper routing/switching, encryption technologies, and network redundancy planning. Known for reducing system downtime by 25%, mentoring junior technicians, and proactively implementing ITIL-based change and configuration management processes. Actively preparing to transition into the civilian IT workforce by August 2026 — ready to contribute immediately in a remote or hybrid capacity.
Overview
5
5
years of professional experience
3
3
Certifications
Work History
Senior Network Operations Specialist
US Army
Camp Casey, South Korea/Fort Bragg, North Carolina
10.2023 - Current
- Reduced system downtime by 25% by implementing a comprehensive network monitoring solution, enabling faster response to outages across critical systems
- Developed and executed a change management plan for network devices across company, battalion, and brigade levels, ensuring standardized, low-risk implementations
- Deployed configuration management systems to maintain optimal equipment performance and reduce manual errors in network operations
- Led and monitored routine updates to network infrastructure and communication links, enhancing overall system stability and security
- Strengthened network security by implementing and maintaining a password management system across all networking devices
- Supported and optimized switching infrastructure, including reviewing and updating configurations to improve throughput and reduce latency
- Configured and maintained tactical encryption devices, ensuring secure and compliant network communications in mission-critical environments
- Designed and deployed redundant network nodes, providing fault tolerance and minimizing disruption during hardware failures
- Contributed to disaster recovery efforts by developing contingency plans designed to minimize service disruptions in the event of an emergency situation
- Delivered VOIP and data services using diverse transmission systems, including SATCOM, cellular, and Wi-Fi, for resilient and flexible communication capabilities.
- Maintained and supported Cisco Call Manager and REDCOM VOIP systems, ensuring high availability and call quality across operations
- Provided in-person and remote Tier 1/2 support for issues related to LAN/WAN, VOIP, and bandwidth optimization, resolving connectivity issues efficiently
- Developed comprehensive documentation of network systems and procedures to facilitate knowledge sharing among team members.
- Mentored junior network engineers and conducted structured training sessions to deepen their understanding of enterprise and tactical network infrastructure
- Strengthened collaboration among team members by implementing efficient project management practices that fostered transparency and accountability.
Network Engineer
US Army
Fort Gordon, Georgia
12.2020 - 10.2023
- Optimized LAN performance by configuring Cisco switches and routers, ensuring reliable connectivity for mission-critical users.
- Established secure WAN access by configuring Juniper routers, expanding communication for dispersed teams.
- Performed day-to-day LAN and WAN administration, maintenance, and support.
- Improved network efficiency by implementing and managing system updates and patches.
- Implemented encryption devices to safeguard critical traffic and strengthen overall network security.
- Maintained encryption keys on tactical devices to protect sensitive data and ensure compliance with security standards.
- Deployed virtual machines and VLANs to enhance services, increasing system flexibility and resource efficiency.
- Performed Layer 1–3 troubleshooting across Cisco, Juniper, and encryption equipment, minimizing downtime and restoring operational readiness.
Education
Bachelor of Science - Information Technology
Western Governors University
04.2001 -
Skills
Network Configuration & Management
Routing and Switching
Certification
CCNA
Timeline
Senior Network Operations Specialist
US Army
10.2023 - Current
Network Engineer
US Army
12.2020 - 10.2023
Bachelor of Science - Information Technology
Western Governors University
04.2001 -