Senior Network Administrator

Job Description

Job Title: Senior Network Administrator

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Location: MacDill Air Force Base, Florida Onsite

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Security Clearance: Active Secret Clearance Required

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Experience: 10+ Years

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Job Overview

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GDIT is seeking an experienced Senior Network Administrator to support the US Battlefield Information Collection and Exploitation System eXtended (US BICES-X) program at MacDill AFB, Florida.

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The selected candidate will support mission-critical DoD intelligence information-sharing networks by monitoring, maintaining, troubleshooting, and optimizing network infrastructure. This role involves providing 24/7 network incident response, Tier II technical support, and ensuring network availability, performance, and security in a fast-paced defense environment.

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Key Responsibilities

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• Monitor, maintain, and troubleshoot network infrastructure to ensure optimal performance and availability.
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• Identify, analyze, and resolve network incidents and technical issues.
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• Provide Tier II network administration and technical support.
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• Administer and maintain voice, video, and data communication networks.
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• Configure, manage, and troubleshoot Cisco network hardware and software.
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• Work with routing and switching protocols, including OSPF, EIGRP, BGP, and Spanning Tree.
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• Maintain network security and ensure compliance with DoD security policies and procedures.
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• Perform STIG patching, security updates, and network compliance activities.
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• Monitor network performance and ensure service availability and SLA requirements.
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• Coordinate with hardware vendors and internal teams to resolve network outages.
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• Document incidents, troubleshooting procedures, testing strategies, and resolutions.
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• Escalate critical incidents and communicate status updates to internal and external customers.
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• Support network-related projects, procedures, and infrastructure improvements.
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Required Qualifications

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• 10+ years of relevant network administration experience.
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• Active Secret Security Clearance.
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• U.S. Citizenship required.
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• Bachelor's degree in a related field; additional experience may substitute for education.
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• Active CCNA certification required.
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• CompTIA Security+ CE certification required.
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• Strong knowledge of Cisco IOS, Cisco networking hardware, and network infrastructure.
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• Hands-on experience with routing and switching protocols, including:
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• OSPF
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• EIGRP
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• BGP
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• Spanning Tree Protocol (STP)
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• ISAKMP and ESP
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• SIP and SCCP
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• Experience troubleshooting network hardware, software, and communication protocols.
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• Experience providing Tier II network support and incident resolution.
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• Experience with STIG patching, security compliance, and network security activities.
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• Ability to work in a 24/7 shift environment, including weekends and holidays.
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• Strong troubleshooting, communication, and problem-solving skills.
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Preferred Qualifications

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• CCNP Routing & Switching or CCNP Enterprise certification.
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• ITIL V4 Foundation certification.
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• Experience with VoIP and Video Teleconferencing (VTC) systems.
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• Knowledge of HAIPE-based encryption devices.
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• Experience with Multicast and GRE routing.
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• Data center networking experience.
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• Experience with firewalls and firewall rule configurations.
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• Knowledge of network virtualization technologies.
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• Experience with VMware, Citrix, and Microsoft virtualization technologies.
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