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 is located 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.
• Implement and manage 802.1X port‑based network access control to ensure secure user authentication and device validation, and configure and troubleshoot MAC Authentication Bypass (MAB) for non‑802.1X‑compliant devices.
• 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 off‑site 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 off‑site 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 hold Security+ and CCNA certifications; CCNP certification desired. Proven ability to apply DoD and industry best practices to daily network operations, adhering to a disciplined troubleshooting methodology and ensuring task/mission completion. Must be able to analyze complex inputs and translate data into well‑defined system requirements. Skilled in interacting with external organizations, clients, and end users to assess current system state and architecture, and to recommend future needs.

Strong written and verbal communication skills required. Proficient in developing and maintaining detailed network diagrams, schematics, and documentation using Microsoft Visio or similar applications to ensure accurate representation of the infrastructure. Willing to work outside of normal business hours as needed to support unexpected issues or planned projects. Must have a valid driver’s license, be a U.S. citizen, hold a current Secret clearance, and be willing to live and work in the Kingdom of Saudi Arabia.

Applicants selected will be subject to a U.S. government security investigation and must meet eligibility requirements for access to classified information.

EOE/M/F/Vet/Disabled