Network Engineer L3 — Senior / Escalation Engineering

The Network Engineer L3 serves as a senior technical escalation point for complex network and security-connectivity issues. The role drives root-cause analysis, designs and reviews network changes, improves resilience and performance, and provides technical leadership across operations teams.

Key Responsibilities

· Lead resolution of high-impact, cross-domain incidents and recurring network problems.

· Design, review, and optimize routing, switching, segmentation, VPN, firewall connectivity, and network resilience.

· Perform deep packet analysis and correlate telemetry across network, security, infrastructure, and cloud platforms.

· Own technical change plans, risk assessment, implementation validation, and rollback strategies.

· Conduct root-cause analysis and produce actionable corrective / preventive recommendations.

· Coach L1/L2 engineers, improve operational standards, and collaborate with vendors and client technical leaders.

· Contribute to automation, architecture documentation, capacity planning, and service improvement.

Requirements

Required Qualifications

· Extensive hands-on enterprise network engineering and complex troubleshooting experience.

· Strong routing / switching, BGP / OSPF, high availability, segmentation, VPN, firewall integration, and packet-analysis skills.

· Ability to lead major incident technical workstreams and communicate impact, risk, and remediation to technical and nontechnical stakeholders.

· Experience with formal change management, RCA, and operational documentation.

· Demonstrated judgment when making production changes and balancing urgency against risk.

Preferred Qualifications

· CCNP / CCIE-level knowledge or equivalent experience; Palo Alto, Gigamon / network packet broker, cloud networking, SD-WAN, network automation, and security architecture experience.

Benefits

Why Join Black Birch Technology Group?

• Competitive salary package.

• Paid personal days.

• Private health insurance.

• Christmas bonus.

• Performance-based incentives.

• Continuous training and professional development opportunities.

• Opportunity to obtain and expand industry-specific technical certifications.

• Opportunities for career growth within a growing organization.

• Remote work environment.

• Opportunity to work directly with U.S.-based clients and modern security technologies.

• Exposure to access control, CCTV, networking, intercom, and integrated security platforms.

• Supportive culture that values employee well-being and professional growth.