Network Engineer L3 — Senior / Escalation Engineering

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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.