Network Engineer II
First seen by Alion on Aug 29, 2026.
Job Title: L2 Network Engineer
Employment Type: Full-Time
Work Model: WFO
Shift: US Shift (11:00 AM to 8:00 PM EST, Monday-Friday)-Open to rotational shifts
Experience: 8+ Years of Experience in Enterprise Network Operations and Support
Certification Requirement: CCNA Mandatory, CCNP Preferred
Notice Period Preference: Immediate
Job Summary:
We are looking for a proactive and technically skilled L2 Network Engineer to support and maintain enterprise network infrastructure across LAN, WAN, SD-WAN, Security, Wireless, and Cloud environments. The role involves monitoring, troubleshooting, implementation support, incident management, and assisting in branch deployments while ensuring adherence to ITIL and Change Management processes. The ideal candidate should possess hands-on experience in Cisco networking technologies, firewall administration, Azure networking fundamentals, SD-WAN operations, and network monitoring tools.
Key Responsibilities:
Network Operations & Support:
- Monitor and support enterprise LAN, WAN, Wireless, and Security infrastructure.
- Troubleshoot and resolve network incidents within SLA timelines.
- Perform configuration changes, upgrades, and routine maintenance activities.
- Support Cisco Catalyst 9300 switch stack deployments and troubleshooting.
- Assist in Layer 2 and Layer 3 network troubleshooting.
SD-WAN & Security Support:
- Support Silver Peak (Aruba EdgeConnect) SD-WAN environments.
- Perform day-to-day administration and troubleshooting of Cisco FTD Firewalls.
- Manage firewall rule changes, NAT, VPN configurations, and security policies.
- Escalate complex security-related issues to L3 teams when required.
Azure Networking Support:
- Support Azure networking environments and connectivity troubleshooting.
- Assist with:
1. Virtual Networks (VNet)
2. NSGs
3. Route Tables
4. VPN Connectivity
5. Azure Landing Zone implementations
- Monitor and support NVA deployments in Azure.
Branch Site Deployment Support:
- Support provisioning and rollout of new branch offices.
- Assist with MDF and IDF deployments.
- Participate in site readiness assessments and implementation activities.
- Validate hardware, connectivity, and configuration requirements.
- Assist in Bill of Materials (BOM) verification and deployment activities.
Monitoring & Incident Management:
- Utilize network monitoring tools for proactive alert management.
- Investigate and resolve WAN, LAN, firewall, and wireless performance issues.
- Perform health checks and generate operational reports.
- Coordinate with ISP vendors and third-party support teams.
Wireless & Collaboration Support:
- Support Cisco Wireless and Meraki environments.
- Troubleshoot wireless connectivity and performance issues.
- Provide basic support for Cisco VoIP and Avaya VoIP environments.
Change & Service Management:
- Follow ITIL processes for Incident, Problem, and Change Management.
- Prepare implementation plans and change records.
- Maintain network documentation and standard operating procedures.
- Participate in planned maintenance and after-hours implementation activities when required.
Mandatory Skills:
- Zscaler ZIA and ZPA configuration and management
- Silver Peak (Aruba EdgeConnect) SD-WAN Support
- Cisco FTD Firewalls
- Cisco Catalyst 9300 Switches
- Enterprise LAN/WAN Troubleshooting
- Network Monitoring Tools
- Azure Networking Fundamentals
- MDF and IDF Deployment Support
- Branch Site Provisioning Experience
- Routing and Switching Concepts
- VPN and Firewall Troubleshooting
- ITIL Process Knowledge
- Change Management Experience
Preferred Skills:
- Cisco Wireless LAN Controllers
- Cisco Meraki
- Cisco VoIP
- Avaya VoIP
- Azure Landing Zone Exposure
Certifications:
Mandatory:
- CCNP Enterprise (Preferred for strong candidates)
- CCNA Certification (Minimum Requirement)
Preferred:
- Azure Fundamentals / AZ-900
- Azure Network Engineer Associate (AZ-700)
- ITIL Foundation
- Cisco Security Certifications
Desired Candidate Profile:
- Strong troubleshooting and analytical skills.
- Experience supporting enterprise network environments.
- Ability to handle incidents independently and escalate appropriately.
- Good understanding of networking and security best practices.
- Effective communication and stakeholder coordination skills.
- Experience working in a 24x7 or global support environment.
- Willingness to work in US business hours
Skills
IP Networking, Network Infrastructure, Routing & Switching, SDWAN, Network Support, Network Operations Center, Incident Management, Zscaler, Network Monitoring Tools, CCNP, CCNA