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Job Details

Organization:

Position Description:

The Senior Network Engineer designs network infrastructure based on customer specifications and to meet complex networking challenges, including air gapped Local Area Networks, trunking of multiple VLANs, and traffic shaping for hub-and-spoke networks. The Senior Network Engineer monitors and maintains network infrastructure, including hardware, firmware, and operating systems by testing and updating device firmware based on the vendor’s release schedule, and assisting in the change management process for client equipment. The Senior Network Engineer maintains awareness of critical security vulnerabilities for client network infrastructure to ensure timely remediation of vulnerabilities. The Senior Network Engineer designs customer Voice over IP (VoIP) systems, including hardware and software configuration, call routing, voicemail delivery, and IVR configuration.

Essential Job Functions:

Primary Duties & Responsibilities:

• Network Design – Designs network infrastructure deployments based on client specifications, including address space calculation, WLAN architecture, VLAN and trunking needs, and VPN configuration.
• Network Configuration – Configures network hardware, including firewalls, switches, and access points according to client specifications.
• VoIP Design – Designs VoIP deployments based on client specifications, including call routing, IVR configuration, number porting, and call scheduling.
• VoIP Configuration – Configures VoIP hardware and software, including PBX appliances, desk sets, call flows, and IVRs.
• Network Troubleshooting – Troubleshoots network-related issues to ensure timely resolution and client connectivity.
• VoIP Troubleshooting – Troubleshoots VoIP issues to ensure timely resolution and client communicability.
• Firmware Maintenance – Network – Maintains device firmware for firewalls, switches, and access points across multiple client environments.
• Firmware Maintenance – VoIP – Maintains device firmware for PBX appliances across multiple clients.
• Change Management – Participates in regular change management meetings.
• Support Agreements – Renews device support agreements for network hardware.
• Firmware Updates – Updates network device firmware regularly to apply patches and security definition updates.
• Circuit Support – Assists in circuit installation and testing.
• Network Tools Maintenance – Maintains network management systems, including device management portals, network state monitoring tools, and logging systems.
• Documentation – Creates and updates documentation on internal processes and procedures related to duties and responsibilities.

This is not an exhaustive list of all duties, responsibilities, or qualifications associated with this position. Incumbents may perform other duties as assigned.

Additional Duties & Responsibilities:

• Assists in the ticket escalation process by identifying and resolving network incidents.
• Evaluates and documents client network hardware and configurations.
• Maintains current device configuration backups.
• Assists with Level I and Level II ticket escalations, troubleshooting, and overflow on an as-needed basis.

Supervisory Responsibilities:

• This position has no supervisory responsibilities.

Demonstrated Competencies:

• Critical Thinking – Synthesizes complex or diverse information; collects and researches data; uses intuition and experience to complement data; understands workflows and procedures.
• Job Knowledge – Competent in required job skills and knowledge; exhibits ability to learn and apply new skills; keeps abreast of current developments; requires minimal supervision; displays understanding of how job relates to others; uses resources effectively.
• Teamwork – Balances team and individual responsibilities; exhibits objectivity and openness to others’ views; gives and welcomes feedback; contributes to building a positive team spirit; puts success of team above own interests; able to build morale and group commitments to goals and objectives; supports everyone’s efforts to succeed.
• Quality – Demonstrates accuracy and thoroughness; looks for ways to improve and promote quality; applies feedback to improve performance; monitors own work to ensure quality.

Education / Experience / Certification Requirements:

• 5 years of experience building or maintaining firewalls.
• 3 years of experience building or maintaining VoIP systems.
• Experience configuring and deploying Fortinet firewalls, switches, and wireless access points in complex environments including HA, airgap, and multi-site VLAN-trunking needs.
• Demonstrated knowledge of computing systems, including hardware, software, and operating system configuration and troubleshooting.
• Demonstrated expertise in IPv4 networking, including packet capture and analysis, public and private networks, DNS, DHCP, and common protocols.
• Demonstrated expertise in VoIP networking, including packet capture and analysis and familiarity with common VoIP protocols such as RTP and SIP.
• Experience building and maintaining site-to-site VPN tunnels for secure cross-site connectivity.
• Experience working in the professional services industry.

Preferred Qualifications:

• Intermediate network certification, including CCNP or similar vendor certification.
• Fortinet Certified Solution Specialist Certifications.
• Experience designing multisite spoke-and-hub network topologies.
• Experience working in organizations of 25–50 employees.

Work Environment and Physical Activities:

• Professional office setting.
• Minimal travel.
• Frequent keyboarding and phone support.
• Lifting up to 50 pounds.

LeafTech Consulting is an Equal Opportunity Employer.