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
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
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
undefinedCertification
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 -
Similar Profiles
Jordan AveryJordan Avery
Headquarters Company Commander at US ArmyHeadquarters Company Commander at US Army
Dedric DANIELSDedric DANIELS
FABN BTRY MAINTENCE CHIEF OC/Team Leader at US ArmyFABN BTRY MAINTENCE CHIEF OC/Team Leader at US Army
Trevar ShelleyTrevar Shelley
11b at US Army11b at US Army
Bryan MireeBryan Miree
Small Arms and Artillery Repairer (91F) at US ArmySmall Arms and Artillery Repairer (91F) at US Army
Emily NelsonEmily Nelson
Law Clerk at Poulin | Willey | Anastopoulo, LLCLaw Clerk at Poulin | Willey | Anastopoulo, LLC