Network Specialist/Network Operations Center; NOC Systems Engineer, Senior
Listed on 2026-06-02
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IT/Tech
Cybersecurity, Systems Engineer, IT Support, Network Security
Position Overview:
Seeking a Senior NOC Systems Engineer to support enterprise network operations in a mission-critical environment. This role focuses on monitoring, troubleshooting, and optimizing large-scale network infrastructure across LAN/WAN environments while ensuring operational continuity and security compliance.
Responsibilities:Monitor and manage enterprise network operations (LAN/WAN, telecom, infrastructure)
Troubleshoot complex network, hardware, and system issues
Perform testing and analysis across network components and infrastructure
Support system security policies and operational procedures
Analyze performance issues and implement network improvements
Support multi-functional operations (network ops, system security, production support)
Contribute to engineering documentation and operational standards
MS in Computer Science, IT, or related (BS + additional experience acceptable)
10+ years in network operations, administration, and troubleshooting
4+ years installing/supporting network infrastructure
Experience with engineering documentation and system design support
Strong experience in enterprise NOC or operations environments
Cisco CCNA or CCNP Enterprise (highly preferred)
CompTIA Security+ CE
CompTIA Network+ (nice-to-have for foundational alignment)
Microsoft Certified:
Azure Administrator Associate (AZ-104) or
Windows Server Hybrid Administrator AssociateITIL v4 Foundation
Qualifications:
Experience with Cisco Unified Communications / VoIP infrastructure
Experience with Windows Server 2019/2022 environments
Familiarity with Microsoft 365 / Exchange Online
Experience supporting large-scale, 24/7 operations environments
Exposure to monitoring tools (Solar Winds, Splunk, etc.)
Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").
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