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.