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Network Administrator

Position Overview

We are seeking an experienced Network Administrator to support a large-scale, mission-critical IT environment. This is a contract-to-hire, fully onsite position supporting systems that require 24/7 network availability.

The Network Administrator will be responsible for monitoring, maintaining, troubleshooting, and optimizing network infrastructure while providing timely incident response and Tier II support. This role is ideal for a network professional with strong Cisco routing and switching experience who is comfortable operating in a highly secure, fast-paced environment.

• Must possess and maintain a Secret Security Clearance.

Schedule

This position supports a 24/7 operation and requires 12-hour shifts.

• 2 days on / 3 days off rotation
• Includes every other weekend
• Candidates will work either day or night shift
• Day and night shifts rotate approximately every 3 months
• Holiday and weekend availability is required

Key Responsibilities

• Identify, analyze, troubleshoot, and resolve network incidents and performance issues.
• Provide Tier II support for network problem identification, diagnosis, and resolution.
• Monitor and maintain voice, video, and data communications networks.
• Administer network infrastructure to meet availability and service-level requirements.
• Troubleshoot routing, switching, connectivity, and network hardware issues.
• Utilize IT Service Management (ITSM) principles to categorize, prioritize, escalate, troubleshoot, and resolve incidents.
• Maintain network security and ensure compliance with established security policies and procedures.
• Support Cisco network hardware and IOS environments.
• Work directly with hardware and technology vendors during outages and complex incident resolution.
• Support STIG patching, compliance, and other network security activities.
• Develop and implement network testing strategies and document results.
• Assist with network monitoring procedures and infrastructure support processes.
• Participate in the development and implementation of network procedures and technical standards.
• Provide technical guidance and training related to networking and associated equipment.
• Participate in network-related projects and infrastructure initiatives as assigned.

Required Qualifications

• 10+ years of relevant IT/networking experience.
• Active Secret Security Clearance that can be maintained throughout employment.
• Bachelor’s degree or equivalent combination of education and additional relevant experience.
• Current CCNA certification.
• Current Security+ CE certification and ability to meet DoD 8570 / IAT Level II requirements.
• Strong experience with Cisco networking technologies, including Cisco IOS and Cisco network hardware.
• Hands-on knowledge of routing and switching protocols such as OSPF, EIGRP, BGP, Spanning Tree Protocol, ISAKMP, ESP, SIP, and SCCP.
• Experience providing Tier II network support and troubleshooting complex network incidents.
• Experience working with hardware vendors during incident resolution.
• Experience with STIG patching, compliance, and network security activities.
• Knowledge of network architectures, communications protocols, and network hardware devices.
• Strong written and verbal communication skills.
• Ability to work effectively in a fast-paced environment while managing multiple priorities.
• Ability and willingness to work 12-hour rotating shifts, including nights, weekends, and holidays.
• Ability to work fully onsite.

Preferred Qualifications

• CCNP Enterprise or CCNP Routing and Switching certification.
• ITIL 4 Foundation certification.
• Experience supporting VoIP and VTC collaboration systems.
• Experience with HAIPE-based encryption devices.
• Experience with Multicast and GRE routing.
• Knowledge of networking within VMware, Citrix, and Microsoft virtualization environments.
• Data center networking experience.
• Experience with firewalls and firewall rule sets.
• Understanding of network virtualization.

Why Join?

This opportunity provides the chance to support a highly visible, mission-critical network environment where reliability, security, and availability are essential. You will work with enterprise Cisco technologies, complex network infrastructure, and a collaborative technical team while supporting systems with real-world operational impact.

This is a contract-to-hire opportunity with the potential to transition into a long-term permanent position.

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