Senior Telecom Engineer — VoIP & UC Solutions

KabaFusion; Lexington (MA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive pay

401k match

PTO & Holidays

Life insurance

Wellness programs

Learning & Development

Employee discounts

Referral program

Job summary

KabaFusion is seeking a senior telecommunications professional to design, engineer, and optimize enterprise telecom systems. You will own complex initiatives end-to-end, guiding architecture, vendors, and platform strategy with independence and technical leadership.

The role requires a strong background in VoIP, SIP, call routing, and UC, with a focus on reliability, security, and regulatory compliance across a multi-site environment.

Qualifications

• Bachelor's degree in engineering, computer science, or related field; equivalent professional experience may be considered.
• Certifications: Network+, CCNA, or relevant networking/telecom certifications preferred.
• Minimum of six (6) years of experience in enterprise telecommunications engineering; multi-site experience preferred.

Responsibilities

• Plan and engineer enterprise telecom systems including scope, schedules, budgets, and implementation.
• Design, implement, and optimize telecom solutions such as VoIP, SIP, eFax, call routing, call center platforms, and unified communications.
• Lead complex enterprise telecom initiatives from requirements through deployment and optimization.
• Serve as the technical authority for telecom platforms ensuring reliability, security, and regulatory compliance.
• Analyze call volume, utilization, and costs to support capacity planning and budgeting.
• Evaluate emerging telecom technologies and vendor solutions; coordinate due diligence and BOMs.
• Partner with providers to resolve escalated issues and ensure SLAs.
• Develop and maintain architecture diagrams, standards, procedures, and topological drawings.
• Collaborate with IT leadership, security, and stakeholders; mentor junior engineers and support on-call.
• Other related duties as assigned by manager.

Skills

Enterprise telephony

VoIP

SIP

Call routing

Networking basics

Documentation

Troubleshooting

Education

Bachelor’s degree in engineering or CS

Job description

KabaFusion is seeking a senior telecommunications professional to design, engineer, and optimize enterprise telecom systems. You will own complex initiatives end-to-end, guiding architecture, vendors, and platform strategy with independence and technical leadership.

The role requires a strong background in VoIP, SIP, call routing, and UC, with a focus on reliability, security, and regulatory compliance across a multi-site environment.