Network Administrator - SENIOR

Upturn; San Juan (PR); On-site; USD 110,000 - 140,000; Full time

Job summary

Upturn is seeking a Network Administrator to design, implement, and maintain our enterprise network infrastructure across multiple sites and data centers. You will work with system administrators, security teams, and IT support to ensure reliable, secure, and high-performance connectivity for critical government services.

The role requires a bachelor’s degree and at least seven years of hands-on experience in large-scale networks, including firewall/VPN hardening, monitoring tools, and

Qualifications

• Bachelor's degree in IT, CS, or equivalent experience.
• Minimum of seven years managing enterprise networks.
• Experience in large organizations or government environments.

Responsibilities

• Install, configure, and maintain enterprise network infrastructure.
• Monitor performance and ensure high availability and throughput.
• Diagnose and resolve network outages and bottlenecks.
• Implement firewall and VPN configurations and security controls.
• Support LAN, WAN, and wireless environments across locations.
• Configure and maintain network monitoring tools.
• Assist with upgrades, expansions, and tech refresh initiatives.
• Maintain network documentation and diagrams.
• Collaborate with sysadmins and app teams for compatibility.
• Support disaster recovery and business continuity planning.
• Ensure compliance with security standards and government policies.

Skills

Network infrastructure configuration

LAN/WAN architecture

Network monitoring

Firewall/VPN configuration

Security implementation

Documentation and support

Education

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

Tools

SolarWinds

PRTG

Nagios

Cisco equipment

CCNA

CCNP

CompTIA Network+

Job description

The Network Administrator is responsible for the configuration, management, monitoring, and maintenance of the organization's network infrastructure. This role ensures reliable, secure, and high-performance connectivity across enterprise systems, data centers, and remote locations. The Network Administrator works closely with system administrators, security personnel, and IT support teams to maintain network stability, optimize performance, and support the delivery of mission-critical government services.

Key Responsibilities

• Install, configure, and maintain enterprise network infrastructure, including routers, switches, firewalls, and wireless systems.
• Monitor network performance and ensure high availability, reliability, and optimal throughput.
• Diagnose and resolve network connectivity issues, outages, and performance bottlenecks.
• Implement and maintain network security measures, including firewalls, VPN configurations, and access controls.
• Support LAN, WAN, and wireless network environments across multiple locations.
• Configure and maintain network monitoring and management tools.
• Assist with network upgrades, infrastructure expansion, and technology refresh initiatives.
• Maintain network documentation, including network diagrams, configuration records, and operational procedures.
• Collaborate with system administrators and application teams to ensure network compatibility with enterprise applications and services.
• Support disaster recovery and business continuity planning for network infrastructure.
• Ensure compliance with security standards and government IT policies.

Minimum Qualifications

• Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent professional experience).
• Minimum of seven (7) years of experience managing enterprise network environments.
• Experience supporting complex network infrastructures in large organizations or government environments.

Required Technical Skills

• Network infrastructure configuration and administration
• LAN/WAN architecture and troubleshooting
• Network monitoring and performance analysis
• Firewall and VPN configuration
• Network security implementation
• Infrastructure documentation and operational support

Preferred Qualifications / Technologies / Certifications

• Cisco networking equipment
• Fortinet / Palo Alto firewalls
• Wireless network solutions
• Network monitoring tools such as SolarWinds, PRTG, or Nagios
• Cisco Certified Network Associate (CCNA)
• Cisco Certified Network Professional (CCNP)
• CompTIA Network+