Senior Network Administrator

Agil3 Technology Solutions (A3T)
Alexandria, VA
The Senior Network Administrator is responsible for managing and maintaining the agency's network infrastructure. This role involves overseeing the deployment, configuration, and support of Cisco network devices, Palo Alto Firewall devices, Cloud networks while ensuring optimal performance, security, and availability.

Key Responsibilities
• Leading the installation, configuration, and maintenance of Cisco network devices, including routers, switches, and firewalls.
• Monitoring and optimize the performance of the network, ensuring efficient resource allocation and minimal downtime.
• Diagnosing and resolving complex network issues, including connectivity, performance, and security problems.
• Ensuring the security of the network by applying patches, updates, and security configurations of all network devices.
• Maintaining comprehensive documentation of network configurations, procedures, and policies.
• Working closely with other IT teams to support network needs and integrate network solutions with other systems.
• Providing guidance and mentorship to junior network administrators and other IT staff.
• Providing architect network infrastructure services to include establishing secure baseline network configurations, developing network implementation plans, and service deployments.
• Leading complex troubleshooting layer 2, layer 3, wireless network, VoIP, data center and SDN technologies.
• Researching and report on new technologies and how they provide value to the organization.
• Performing hardware installations and supporting the configuration of IT network systems on-prem environments.

Minimum Qualifications
  • Education: Bachelor’s degree in computer science, information systems, engineering, or related field.
  • Experience:
    • A Cisco Certified Internetwork Expert (CCIE) certification or a minimum of ten (10) years of experience in a relevant IT area, to include LAN, WAN, wireless, VoIP, data center and software-defined networking (SDN) administration, engineering, and architecture.

Other Requirements

  • Must pass background investigation.
  • Must be a U.S. Citizen.
  • Must be able to work on-site in the National Capital Region, with occasional travel.

Company Overview

Agil3 Technology Solutions LLC ("A3T") is a Northern Virginia based, ISO 9001:2018, ISO 20000 & ISO 27001 Certified, 8a, Women-Owned (WOSB) and Service-disabled Veteran-Owned (SDVOSB) small business. A recent recipient of the prestigious Washington Technology TOP 50 (ranking #9, and on the list for last 4 years!), A3T is experiencing industry leading recognition and growth. In addition to the CEO’s recognition as an “All-Star Entrepreneur”, A3T is recognized by Inc Magazine as one of the fastest growing companies in the country, by Vet 50 as Fastest Growing Veteran-Owned Businesses, and is featured in CyberSecurity Ventures / Cybercrime Magazine! “As a go-to Women-Owned Cybersecurity company in US and internationally”. As part of our growth, we are looking for YOU to join our growing team.

A3T offers excellent benefits to enhance the work-life balance, including:

  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short Term & Long-Term Disability
  • 401k Retirement Savings Plan with Company Match
  • Paid Holidays
  • Paid Time Off (PTO)
  • Tuition and Professional Development Assistance
  • Parking/Travel Reimbursement (metropolitan areas)

Posted 2025-09-10

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