Network Engineer III

Astreya; United States; Remote; USD 78,000 - 97,000; Full time

Job summary

Astreya is seeking a Level 3 Network Engineer to provide expert support and management of enterprise and data-centre networks. Responsibilities include troubleshooting complex network issues, implementing changes, and coordinating with Level 3 teams and vendors to ensure service availability.

The role covers routing, switching, firewalls, wireless, WAN/LAN connectivity, and data-centre infrastructure, with a focus on security, change management, and documentation.

Qualifications

• Bachelor’s degree and 5-8 years of related experience.
• Strong understanding of routing, switching, firewalls, wireless, DNS, email, and VMs.
• Ability to build productive internal and external relationships.
• Judgment within procedures to determine action.
• Familiarity with CDNs and internet peering strategies.
• Understanding of server hardware for content delivery performance.

Responsibilities

• Provide Level 3 technical support for enterprise and data-centre networks.
• Diagnose and resolve network incidents and service requests.
• Troubleshoot routing, switching, firewall issues.
• Monitor network infrastructure and respond to alerts.
• Perform approved network configurations, changes, upgrades.
• Maintain network documentation and procedures.
• Coordinate with vendors and cross-functional teams.
• Support incident, problem and change-management processes.
• Participate in maintenance and continuous improvement.

Skills

Routing

Switching

Firewalls

Wireless

DNS

Email systems

Virtual machines

Software apps

Stakeholder relations

Decision making

CDN knowledge

Server hardware

Education

Bachelor’s degree

Tools

CCNA

CCNP

JNCIA/JNCIS

Arista ACE

Job description

What this Job Entails:

The Level 3 Network Engineer is responsible for providing technical support, troubleshooting, maintenance, and operational management of enterprise and data-centre network infrastructure. The role involves investigating and resolving network incidents and service requests escalated from Level 1 support, performing network changes, monitoring infrastructure, troubleshooting connectivity and performance issues, and working with Level 2 engineering teams and vendors on complex problems.

The engineer will work across technologies such as switching, routing, firewalls, wireless networks, WAN/LAN connectivity, network monitoring, and data-centre infrastructure while following established operational procedures, security standards, and change-management processes.

Scope:

• Provide operational support for enterprise and data-centre network infrastructure.
• Support LAN/WAN, routing, switching, firewalls, wireless, and network connectivity.
• Troubleshoot Layer 1, Layer 2 and Layer 3 network issues.
• Monitor network infrastructure and respond to alerts, incidents and service requests.
• Implement approved network changes, upgrades, configurations and hardware replacements.
• Support network performance, availability and connectivity troubleshooting.
• Maintain network documentation, configuration records and operational procedures.
• Coordinate with Level 3 engineering teams, vendors and service providers for complex issues.
• Support incident, problem and change-management processes in accordance with operational standards.

Your Roles and Responsibilities:

• Provide Level 3 technical support for enterprise and data-centre network infrastructure.
• Diagnose and resolve network incidents, connectivity issues and service requests.
• Troubleshoot routing, switching, firewalls and network issues.
• Monitor network infrastructure and respond to alerts and service-impacting events.
• Perform approved network configurations, changes, upgrades and hardware replacements.
• Conduct structured troubleshooting and elevate complex or unresolved issues to Level 3 engineering teams.
• Support incident, problem and change-management processes.
• Coordinate with vendors, service providers and cross-functional infrastructure teams to resolve network issues.
• Maintain accurate network documentation, configuration records and troubleshooting procedures.
• Participate in network maintenance, service restoration and continuous improvement activities.
• Ensure all work follows established security, operational and change-management standards.

Required Qualifications/Skills:

• Bachelor’s degree (B.S/B.A) from four-college or university and 5-8 years’ related experience
• Have a full understanding of routing, switching, server operating systems, firewalls, wireless controllers, DNS, email, virtual machines and software applications
• Builds productive internal and external working relationships
• Exercises judgment within defined procedures and practices to determine appropriate action
• Familiarity with content delivery networks and internet peering strategies
• Understanding of server hardware technologies relative to content delivery performance and capacity

Preferred Qualifications:

• Industry-recognized networking certification such as CCNA, CCNP, JNCIA/JNCIS, Arista ACE, or equivalent.
• Experience supporting data-centre, enterprise, or 24×7 network operations environments.
• Exposure to network automation or scripting

Physical Demand & Work Environment:

• Must have the ability to perform office-related tasks which may include prolonged sitting or standing
• Must have the ability to move from place to place within an office environment
• Must be able to use a computer
• Must have the ability to communicate effectively
• Some positions may require occasional repetitive motion or movements of the wrists, hands, and/or fingers

Salary Range

70,800.00 - 88,500.00 EUR (Annual)

• Please note that the salary information provided herein is base pay only (gross); it does not include other forms of compensation which may or may not apply to this specific position, namely, performance-based bonuses, benefits-related payments, or other general incentives - none of which are guaranteed, may be subject to specific eligibility requirements, and are wholly within the discretion of Astreya to remit.
• Further, the salary information noted above is a range that consists of a minimum and maximum rate of pay for this specific position. Where an applicant or employee is placed on this range will depend and be contingent on objective, documented work-related considerations like education, experience, certifications, licenses, preferred qualifications, among other factors.