Network Administrator

Overview

Abacus Technology is seeking a Network Administrator to manage and maintain network infrastructure in a dynamic, mission-critical environment under the US Military Training Mission (USMTM). This full-time position in the Kingdom of Saudi Arabia.

• Administer, install, configure, troubleshoot, test, and maintain network-related hardware, including HAIPE encryption devices, switches, routers, and transport devices.
• Utilize network monitoring and management tools to proactively identify, troubleshoot, and resolve performance issues.
• Demonstrated experience in overseeing and troubleshooting complex Local Area Networking (LAN) issues.
• Configure, deploy, and manage switch stacking solutions, including Cisco Stack Wise and Stack Wise Virtual Link (SVL) technologies
• Implement and troubleshoot Layer 2 network solutions, including VLAN configuration, trunking, spanning-tree protocol (STP), and inter-switch connectivity.
• Configure and manage TACLANE encryptors with the Agile-VLAN feature to enable simultaneous transmission of Layer 2 and High Assurance Internet Protocol Encryptor (HAIPE) traffic, enhancing network flexibility and efficiency.
• Implement and manage 802.1X port-based network access control to ensure secure user authentication and device validation. Configure and troubleshoot MAC Authentication Bypass (MAB) for non-802.1X-compliant devices, ensuring seamless network access while maintaining security standards.
• Utilize Net Flow to monitor and analyze network traffic patterns, identify bottlenecks, and detect potential security threats.
• Configure and manage Quality of Service (QoS) policies at the access layer to prioritize critical traffic such as voice, video, and real-time applications.

• Coordinate with offsite service providers (e.g., WAN, Voice, WANSEC) via Remedy/Service Now ticketing system to resolve issues with DMZs, boundary routers/switches, Cisco CUBE, firewalls, IDS/IPS, VPN concentrators, and encryption devices.
• Work with local base operations teams (e.g., help desk, systems, ISP/OSP) to address outages, ensuring timely restoration per established SLAs.
• Troubleshoot and coordinate VTC (Video Teleconferencing) outages with offsite bridge personnel.

• Perform performance monitoring, tuning, IOS upgrades, patching, backup and recovery, and problem resolution for network and voice routers/switches.
• Actively participate in the planning and design of infrastructure upgrades or enhancements.

• Collaborate with the Voice Engineer to troubleshoot, configure, and maintain voice and video systems, ensuring seamless communication services.
• Assist with the deployment, testing, and optimization of voice and video-related hardware and software as required.
• Provide supplementary support during outages or upgrades to ensure minimal downtime

• Assist in building, maintaining, and updating Risk Management Framework (RMF) Assessment and Authorization to Operate (ATO) packages for two ARCENT Cyber Security-administered enclaves.
• Ensure compliance with DISA Security Technical Implementation Guides (STIGs), Security Content Automation Protocol (SCAP) scans, and other Security Requirements Guidance.

• Assist in developing and completing system security documentation in accordance with RMF and eMASS workflows.
• Identify and report system risks related to network and voice hardware/software.

• Maintain inventory and manage life cycle replacement schedules for network infrastructure.

4+ years experience in core network services connectivity and integration. Must be Security+ and CCNA certified. CCNP certification desired. Able to adhere to a disciplined troubleshooting methodology, and ensure task/mission completion, along with creating and maintaining necessary information. A ble to apply DoD and industry best practices, concerning daily network operations. Able to analyze complex inputs and translate data into well-defined system requirements.

Comfortable interacting heavily with outside organizations, clients and…