Senior Network Administrator at Jobgether – United States

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Network Administrator in the United States.

In this role, you will take ownership of designing, managing, and optimizing complex network infrastructures across multiple environments. You will play a key role in ensuring system reliability, security, and performance, while supporting mission-critical operations. Working in a dynamic and security-focused environment, you will collaborate with cross-functional teams to implement robust networking solutions and maintain compliance with industry standards. This position offers the opportunity to work on advanced technologies, contribute to high-impact projects, and continuously improve network resilience. It is ideal for a proactive professional who thrives in troubleshooting, system optimization, and secure infrastructure management.

• Design, deploy, maintain, and manage network infrastructure across multiple environments and sites
• Monitor network performance, troubleshoot issues, and ensure high availability and reliability
• Plan and execute system upgrades, patches, and configuration changes, including cybersecurity updates
• Coordinate with internal teams and external partners to configure circuits, VPNs, and secure communications
• Maintain and document network configurations, standards, and change management processes
• Ensure compliance with security policies, conduct vulnerability assessments, and remediate findings
• Support lifecycle management of network devices and contribute to continuous improvement initiatives

• Minimum of 8 years of experience in network administration or a related field
• Strong expertise in networking technologies including LAN, DNS, VLANs, routing protocols (OSPF, BGP), and Cisco systems
• Experience with network monitoring and diagnostic tools such as Wireshark or SolarWinds
• Solid understanding of cybersecurity frameworks and standards (e.g., NIST, STIGs, ITIL)
• Certifications such as CCNP and Security+ are required
• Ability to configure TCP/IP, network interfaces, and security protocols
• Strong analytical, problem-solving, and organizational skills with attention to detail
• Excellent communication and collaboration skills, with the ability to work independently or within a team
• U.S. citizenship and ability to obtain or hold a government security clearance

• Competitive salary package
• Comprehensive health, dental, and vision insurance plans
• 401(k) retirement plan with employer matching
• Paid time off and company holidays
• Life and disability insurance coverage
• Opportunities for professional growth and certification support
• Collaborative and mission-driven work environment