Network Administrator - US Citizenship Required - No Sponsored Candidates

Revolution Technologies; Columbia (SC); On-site; USD 90,000 - 130,000; Full time

Job summary

Revolution Technologies in Columbia, SC seeks a Senior Network Administrator for its Network Operations Center to maintain high availability of enterprise network infrastructure. The role requires strong hands-on experience in a 24x7 environment, with emphasis on monitoring, incident response, and performance management.

The candidate will administer routers, switches, firewalls, and load balancers, lead root cause analysis, manage changes, and collaborate with IT teams to ensure service

Qualifications

• 5+ years of experience in network operations or enterprise networking.
• Experience in 24x7 production environments and incident handling.
• Strong troubleshooting and root cause analysis capabilities.
• Proficiency in network monitoring and performance management.
• Knowledge of routing, switching, firewalls, and load balancers.

Responsibilities

• Perform daily operational health checks and network environment validation.
• Monitor performance, availability, utilization, and capacity.
• Respond to and resolve complex network incidents, outages, and service disruptions.
• Perform advanced troubleshooting and root cause analysis across enterprise network infrastructure.
• Administer, configure, upgrade, test, and maintain routers, switches, firewalls, load balancers, and related network technologies.
• Manage break/fix activities, operational maintenance, and network service requests.
• Execute infrastructure changes per change management and production-control procedures.
• Analyze network configurations and adjust to resolve performance and availability issues.
• Support network security with access controls, vulnerability mitigation, and remediation timelines.
• Maintain network backup, recovery, and disaster recovery processes.
• Generate and review network utilization, trending, performance, and error reports.
• Create and maintain operational documentation and troubleshooting guides.
• Coordinate with vendors and partners during troubleshooting, upgrades, and infrastructure changes.
• Collaborate with IT teams to maintain service availability and operational excellence.
• Participate in major incident response and support critical production issues as needed.

Skills

5+ years exp

24x7 ops

Root cause

Network monitoring

Incident response

Education

Bachelor's in CS/IT

Tools

F5 Load Balancers

Ansible

GitHub

ThousandEyes

Job description

Senior Network Administrator – Network Operations Center (NOC)

Location: Columbia, SC

Hours: 40 hours per week

Position Overview

We are seeking an experienced Senior Network Administrator to support a highly available enterprise network environment. This position will be part of the Network Operations Center (NOC) and will be responsible for maintaining the availability, security, reliability, and performance of critical network infrastructure.

The ideal candidate will bring strong hands‑on experience supporting enterprise network technologies in a 24x7 operational environment, with demonstrated expertise in network monitoring, incident response, troubleshooting, infrastructure maintenance, change management, and root cause analysis.

Required Technologies

Candidates should have hands‑on experience with:

• F5 Load Balancers

Nice‑to‑Have Technologies

• Ansible
• GitHub
• ThousandEyes

Key Responsibilities

• Perform daily operational health checks and network environment validation.
• Monitor network performance, availability, utilization, and capacity.
• Respond to and resolve complex network incidents, outages, and service disruptions.
• Perform advanced troubleshooting and root cause analysis across enterprise network infrastructure.
• Administer, configure, upgrade, test, and maintain routers, switches, firewalls, load balancers, and related network technologies.
• Manage break/fix activities, operational maintenance, and network service requests.
• Execute infrastructure changes in accordance with established change management and production-control procedures.
• Analyze network configurations and make adjustments necessary to resolve performance and availability issues.
• Support network security by maintaining access controls, identifying vulnerabilities, and mitigating potential network-based threats.
• Address network vulnerabilities and compliance findings within required remediation timelines.
• Maintain network backup, recovery, and disaster recovery processes.
• Generate and review network utilization, trending, performance, and error reports.
• Create and maintain operational documentation, procedures, and troubleshooting guides.
• Coordinate with vendors and technology partners during troubleshooting, upgrades, and infrastructure changes.
• Collaborate with network engineering, cybersecurity, infrastructure, application support, and other IT teams to maintain service availability and operational excellence.
• Participate in major incident response and support critical production issues as needed.

Required Experience

• 5+ years of experience in network operations, network administration, infrastructure support, or a related enterprise networking environment.
• Experience supporting enterprise network technologies in a 24x7 production environment.
• Strong experience troubleshooting and resolving complex network incidents.
• Hands‑on experience with network monitoring, operational maintenance, infrastructure support, and performance management.
• Strong understanding of enterprise routing, switching, firewall, and load‑balancing technologies.
• Experience supporting network security, vulnerability remediation, access controls, backup/recovery, and compliance requirements.
• Strong analytical and root cause analysis capabilities.

Preferred Experience

• 8+ years of experience supporting enterprise infrastructure and network environments.
• Experience supporting large‑scale, highly available network environments.
• Experience leading operational initiatives, major incident response, and infrastructure improvements.
• Experience creating and maintaining technical and operational documentation.
• Vendor networking certifications such as CCNA, CCNP, or equivalent certifications are preferred.

Education

Bachelor's degree in Computer Science, Information Technology, or a related field preferred.

Equivalent combinations of education and relevant professional experience may also be considered.

Desired Professional Skills

• Strong analytical, troubleshooting, and problem‑solving abilities.
• Excellent attention to detail.
• Strong written and verbal communication skills.
• Ability to communicate technical issues effectively to both technical and non‑technical audiences.
• Ability to prioritize and manage multiple activities simultaneously.
• Ability to remain effective during critical incidents and network outages.
• Strong organizational and interpersonal skills.
• Team‑oriented approach with a strong customer‑service mindset.

Additional Requirements

• C2 eligibility is required.
• Candidates must be able to work onsite in Columbia, SC, Tuesday through Thursday.
• The environment supports critical business operations and may require response to production issues outside normal business hours.