Sr. Network Administrator - US Citizen Required for Clearance

Senior Network Administrator - US Citizen Required for Security Clearance

Network Operations Center (NOC)

Position Overview

We are seeking a highly experienced Senior Network Administrator to support the daily operation, availability, security, and performance of a large-scale enterprise network environment. This position will serve as a senior-level administrator within the Network Operations Center and will be responsible for advanced troubleshooting, incident response, operational maintenance, network monitoring, change execution, and infrastructure support.

The ideal candidate will have extensive experience supporting highly available enterprise networks in a 24x7 operational environment and will be comfortable managing complex incidents, performing root cause analysis, and collaborating across engineering, security, infrastructure, and application teams.

Work Environment

Hybrid / Partial Onsite:

The full team is onsite Tuesday, Wednesday, and Thursday.

Required Education

Bachelor's degree in Computer Science, Information Technology, or another job-related field.

Required Experience

• Minimum of 5 years of experience in network operations, network administration, infrastructure support, or a closely related environment.
• Experience supporting enterprise network technologies in a 24x7 operational environment.
• Demonstrated experience troubleshooting and resolving complex network incidents and outages.
• Experience performing network monitoring, operational maintenance, break-fix support, and infrastructure support activities.
• Must have experience operating at a senior network administrator level.
• CCNA certification or progress toward obtaining a CCNA is preferred.

Preferred Experience

• 8 years of experience supporting enterprise infrastructure and network environments.
• Experience working in highly available, large-scale enterprise networks.
• Experience leading operational initiatives, major incident response, and infrastructure improvement efforts.
• Experience developing and maintaining technical documentation, operational procedures, and support standards.

Required Technologies

Candidates should have hands-on experience with:

• Palo Alto Firewalls
• Cisco ACI
• SolarWinds
• Cisco Catalyst Center
• Cisco Nexus Insights

Preferred / Nice-to-Have Technologies

• Ansible
• GitHub
• ThousandEyes
• F5 Load Balancers

Key Responsibilities

• Perform daily operational health checks and network environment validation.
• Monitor network performance, availability, capacity, and overall infrastructure health.
• Respond to and resolve network incidents, service interruptions, and outages.
• Perform advanced network troubleshooting and root cause analysis.
• Manage break-fix activities and network-related service requests.
• Execute network changes in accordance with established change management procedures.
• Support compliance remediation and infrastructure risk-reduction initiatives.
• Manage network backup and recovery processes.
• Identify recurring issues and recommend operational or infrastructure improvements.
• Develop and maintain network documentation, runbooks, support procedures, and operational standards.
• Participate in major incident response and support restoration of critical network services.
• Collaborate with network engineering, cybersecurity, infrastructure, application support, and other IT teams to maintain service availability and operational excellence.
• Support continuous improvement initiatives designed to improve network stability, reliability, and performance.

Desired Skills and Competencies

• Strong analytical and advanced troubleshooting skills.
• Excellent attention to detail.
• Strong written and verbal communication skills.
• Ability to prioritize and manage multiple activities simultaneously.
• Ability to remain calm and effective during critical incidents and outages.
• Strong customer service orientation.
• Team-focused approach with the ability to collaborate across technical groups.
• Ability to independently investigate issues and drive problems through resolution.
• Strong documentation and process-management skills.

About the Team

The Network Operations Center (NOC) is responsible for the daily operation and support of a highly available enterprise network environment supporting the broader organization.

The team ensures the security, reliability, availability, and performance of critical network services through proactive monitoring, incident response, operational support, maintenance, and continuous improvement. The NOC plays a critical role in maintaining business continuity and partners closely with engineering, security, infrastructure, and application teams to ensure network and application availability.

Equal Opportunity Employer