Senior Cisco UCM Engineer (TS/SCI) – Onsite in Largo

Collins Aerospace; Largo (FL); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer匹配

Tuition reimbursement

Student Loan Repayment Program

Life insurance and disability coverage

Dependent care and wellness programs

Job summary

Collins Aerospace is seeking a Senior Cisco Unified Communications Engineer to design, administer, and sustain enterprise voice and collaboration environments, focusing on CUCM, Unity Connection, SIP, and related platforms. The role requires an active TS/SCI clearance and is onsite in Largo, FL.

You will lead upgrades, troubleshoot complex issues, and ensure security compliance while collaborating with cybersecurity, network, and engineering teams. Relocation assistance is available.

Qualifications

• Active and transferable TS/SCI clearance required prior to start date.
• DoD 8570 IAT Level II certification (Security+ or CISSP preferred).
• Experience with CUCM, Unity Connection, SIP, dial plans, voice gateways, SBCs, conferencing, and Tier III troubleshooting.
• Experience securing DoD or regulated environments with DISA STIGs, vulnerability remediation, security hardening, compliance, and cybersecurity assessments.
• Experience leading CUCM/Unity upgrades, migrations, integrations, testing, production cutovers, change management, and technical documentation.

Responsibilities

• Configure and maintain CUCM clusters for enterprise and classified environments.
• Manage Unity Connection voicemail systems and user provisioning.
• Configure dial plans, trunking, SIP trunks, and call routing.
• Administer voice gateways, SBCs, and VoIP infrastructure.
• Provide Tier III support for complex voice and signaling issues.

Skills

CUCM administration

Unity Connection

VoIP engineering

SIP signaling

Tier III troubleshooting

TS/SCI clearance

DISA STIGs

CUCM upgrades

Education

STEM degree

Tools

CUCM

Unity Connection

SBCs

SIP trunks

VoIP infrastructure

Job description

Collins Aerospace is seeking a Senior Cisco Unified Communications Engineer to design, administer, and sustain enterprise voice and collaboration environments, focusing on CUCM, Unity Connection, SIP, and related platforms. The role requires an active TS/SCI clearance and is onsite in Largo, FL.

You will lead upgrades, troubleshoot complex issues, and ensure security compliance while collaborating with cybersecurity, network, and engineering teams. Relocation assistance is available.