Cisco Call Manager Engineer, TS/SCI

CDW; Town of Florida (NY); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

CDW Benefits

Job summary

CDW is seeking a Cisco Unified Communications Engineer to support enterprise voice and collaboration in a secure government environment. This role administers CUCM and related collaboration technologies, with on-site work in a SCIF and a required TS/SCI clearance.

You will design, deploy, and optimize Cisco IP Telephony solutions, resolve call quality issues, and collaborate with network, security, and customer teams to ensure system availability.

Qualifications

• Active TS/SCI security clearance required.
• 5+ years hands-on CUCM experience.
• Experience troubleshooting enterprise VoIP and IP Telephony.
• Strong knowledge of SIP, SCCP, call routing, dial plans, gateways, trunking and voice troubleshooting.
• Ability to work onsite full-time in a secure SCIF environment.

Responsibilities

• Administer, maintain, and support CUCM environments.
• Design, deploy, configure, and troubleshoot Cisco IP Telephony, voice, video, mobility, and collaboration solutions.
• Analyze, troubleshoot, and resolve call routing issues, call flow failures, and call quality concerns.
• Create, analyze, and troubleshoot call flows and Call Detail Records (CDRs).
• Perform software upgrades, patching, migrations, and lifecycle management in Cisco UC environments.
• Support Cisco Unity Connection voicemail systems and Cisco IP phone deployments.
• Participate in design and implementation of multi-site Cisco collaboration solutions.
• Provide Tier III technical support and act as escalation point for complex voice and network issues.
• Collaborate with network engineers, security teams, vendors, and customer stakeholders to ensure availability and performance.
• Monitor and optimize voice infrastructure performance across enterprise environments.
• Document configurations, procedures, and technical solutions.

Skills

CUCM

SIP

SCCP

Call routing

Troubleshooting

VoIP

Collaboration

Networking

Tools

Cisco Unity Connection

Job description

Job Overview

CDW is seeking a Cisco Unified Communications (UC) Engineer to support and maintain enterprise voice and collaboration environments within a secure government customer environment. This role is responsible for the administration, engineering, deployment, troubleshooting, and optimization of Cisco Unified Communications Manager (CUCM/Call Manager) and related collaboration technologies. The ideal candidate is a hands‑on Cisco voice engineer with current Cisco Call Manager experience, a strong networking foundation in routing and switching, and the ability to support mission‑critical communications systems in a highly secure environment. This position requires an active TS/SCI clearance and onsite work within a SCIF (Sensitive Compartmented Information Facility).

What You Will Do

• Administer, maintain, and support Cisco Unified Communications Manager (CUCM/Call Manager) environments.
• Design, deploy, configure, and troubleshoot Cisco IP Telephony, voice, video, mobility, and collaboration solutions.
• Analyze, troubleshoot, and resolve call routing issues, call flow failures, and call quality concerns.
• Create, analyze, and troubleshoot call flows and Call Detail Records (CDRs).
• Perform software upgrades, patching, migrations, and lifecycle management activities within Cisco UC environments.
• Support Cisco Unity Connection voicemail systems and Cisco IP phone deployments.
• Participate in the design and implementation of multi‑site Cisco collaboration solutions.
• Provide Tier III technical support and serve as an escalation point for complex voice and network issues.
• Collaborate with network engineers, security teams, vendors, and customer stakeholders to ensure system availability and performance.
• Monitor and optimize voice infrastructure performance across enterprise environments.
• Document configurations, procedures, and technical solutions in accordance with customer requirements.

What We Expect Of You

• Active TS/SCI security clearance required. Candidates must possess a current TS/SCI clearance; eligibility alone is not sufficient.
• 5+ years of hands‑on experience supporting and administering Cisco Unified Communications Manager (CUCM/Call Manager) environments.
• Experience troubleshooting Cisco VoIP and IP Telephony solutions in enterprise environments.
• Strong knowledge of SIP, SCCP, call routing, dial plans, gateways, trunking, and voice troubleshooting.
• Experience creating, analyzing, and troubleshooting call flows and Call Detail Records (CDRs).
• Experience designing and supporting multi‑site Cisco voice solutions.
• Working knowledge of Cisco routing and switching technologies.
• Ability to independently diagnose and resolve complex technical issues.
• Strong verbal and written communication skills.
• Ability to work onsite full‑time in a secure SCIF environment.
• CCNP Collaboration, CCNP Enterprise, Cisco Unity Connection, and CCIE Collaboration or equivalent advanced Cisco expertise are a plus.
• Experience supporting secure government, defense, or classified environments is a plus.
• Experience with remote monitoring and management of enterprise Cisco UC environments is a plus.

Benefits

Pay range: $180,000 – $240,000 depending on experience and skill set. Benefits overview: CDW Benefits. Salary ranges may be subject to geographic differentials.

Equal Opportunity Employer

CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other basis prohibited by state and local law.