Senior Network Administrator

Joint Base Pearl Harbor Hickam, HI, USA

Full-time

Clearance Requirement:
Top Secret/SCI

Compensation: USD 92550 - USD 112290 - yearly

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

Overview

SOSi is on the hunt for a Senior Network Administrator to join our elite team at Joint Base Pearl Harbor Hickam in Honolulu, HI. In this pivotal role, you’ll ensure secure, compliant, and resilient network operations that support mission-critical communications across the Pacific theater.

From managing complex IT systems to solving high-stakes technical challenges, you’ll be at the forefront of enabling time-sensitive Command and Control (C2) strategies for over 5,000 users . If you're ready to elevate defense tech and make a strategic impact—this is your next move.

As a Senior Network Administrator at SOSi, you will work within the Network Operations team to provide essential support within the Area-of-Responsibility (AOR). Your role includes monitoring, maintaining, and ensuring network availability, all while adhering to DoD regulations. You will be responsible for managing various network components, including LAN, BAN, WAN, telecommunications/transport protocols, Unified Communications/VoIP/Video Teleconferencing (VTC), WAN accelerators, load-balancers, firewalls, and cryptographic devices.

• Configures and maintains Cisco routers, switches, Adaptive Security Appliances (ASAs), Taclane encryption devices, and Cisco Voice over IP (VoIP) systems to support efficient data flow within the network, while following established Standard Operating Procedures (SOPs) and Tactics, Techniques, and Procedures (TTPs) when necessary.
• Supports and troubleshoots External Border Gateway Protocol (eBGP) routing within a Palo Alto environment.
• Implements and provides oversight of Commercial Solutions for Classified (CSfC) and Taclane encryption methods to protect sensitive data.
• Provides essential support in the maintenance of VDI environments, ensuring efficient and secure user access.
• Manages Cisco Unified Communications Manager (CUCM), Video Teleconferencing systems (VTC) s, and other Cisco VoIP systems to ensure reliable communication services.
• Serves as a point of incident escalation and coverage for network-related issues. Reviews and troubleshoots network transport and protocol related issues.
• Collaborates with the Cross-Domain Solutions team to facilitate secure information sharing across security domains.
• Acts as the primary point of contact (POC) for the project management team in support of the installation, configuration, and implementation of network equipment for new projects and requirements.
• Actively participates in project coordination alongside the project management team to ensure successful project execution.
• Liaises with POCs and customers to understand their network needs and provides appropriate solutions, including but not limited to List of Materials (LOM), proposals and related supporting documents (e.g., solution diagrams, implementation timelines, etc.).
• Diligently follows guidance and direction from the Network Operations Lead, Deputy, and Operations Manager, adhering to established standards and procedures for network administration.
• Participates in related solution technologies and special projects, as required.

• Active in-scope TOP SECRET clearance with SCI eligibility.
• Bach…