Network Administrator

• Compensation: USD 87138 - USD 117636 - 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.

Power mission‑critical networks at the heart of the Pacific.

SOSi is seeking an experienced Network Administrator to join our elite team at Joint Base Pearl Harbor–Hickam in Honolulu, Hawaii. Supporting a customer that delivers secure, high‑impact IT solutions to more than 5,000 users across the Pacific theater, this role sits at the center of time‑sensitive, mission‑driven operations. Our team thrives on solving complex technical challenges that enable decisive, real‑time Command and Control (C2) outcomes—where performance, precision, and reliability truly matter.

As a Network Administrator at SOSi, you will work within the Network Operations team to provide essential support to our customer’s 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.
• Reviews and troubleshoots network transport and protocol related issues.
• Collaborates with the Cross-Domain Solutions team to facilitate secure information sharing across security domains.
• 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 assists in providing appropriate solutions.
• 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.

• An Active in-scope TOP SECRET clearance with SCI Eligibility and US Passport.
• Bachelor’s Degree in IT, Networking, or similar, or 6+ years of experience in network administration.
• DoD 8570 IAT-II compliant (Security+ CE, CCNA, CND, CySA+, GICSP, GSEC, or SSCP).
• Obtain Cisco Certified Network Associate (CCNA) within 6 months.
• Strong knowledge in Cisco routers, switches, ASA, Palo Alto firewalls, CSfC, Taclane encryption methods, VDI environments, Cross-Domain Solutions, CUCM, and VTCs.
• Knowledge of network security best practices and compliance standards including government Secure Technical Implementation Guidelines (STIGs).
• Strong problem-solving skills and the ability to troubleshoot network issues.
• Ability to work in a fast‑paced environment, adapt to changing network requirements, and effectively communicate with POCs and customers.
• Able to support 24/7 operations (including support to exercises), when necessary.
• Able to follow instructions and work both independently and in a (distributed) team environment.

Preferred Qualifications:

• Relevant IT certifications, particularly related to Cisco and…