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# System Engineer Cisco PBX (VoSIP)

- **Company:** TekSynap Corporation
- **Location:** Arlington, VA, United States
- **Experience:** Experienced
- **Salary:** $48,000 - $125,000
- **Contract:** Permanent contract
- **Skills:** Automatic Call Distributor, VoIP, Cisco Unified Communications Manager, Monitoring of Systems, SC Clearance, Cisco
- **Published:** November 3, 2026
- **Apply:** https://www.thejobnetwork.com/job/7fe8db6f-61b2-4cdb-85db-47ea6d5764c8/system-engineer-cisco-pbx-vosip

## About the Role

* Proven experience in operating and maintaining VoIP and VoSIP systems.
 * Experience with troubleshooting and resolving voice infrastructure incidents.
 * Experience working with Cisco Unified Communications Manager (CUCM).

REQUIRED QUALIFICATIONS

 * Experience:

 * 3+ years working with Cisco Unified Communications Manager (CUCM) or similar PBX systems.

Certifications:

 * Cisco Certified Network Associate (CCNA) Collaboration
 * Cisco Certified Network Professional (CCNP) Collaboration

Clearance:

 * Must possess a Secret clearance, While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms; talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.

## Description

* Operate and maintain Government-furnished telephone/telecommunications equipment, including VoIP, VoSIP, ACD, and TDM technologies.
 * Involves implementing preventive maintenance programs, monitoring system performance, troubleshooting incidents, and collaborating with stakeholders to meet operational objectives.
 * Develop and execute preventive maintenance programs to keep the voice infrastructure up to date with patches, upgrades, and security/compliance requirements.
 * Continuously monitor voice systems' performance, report on performance, and take corrective actions.
 * Respond to customer incident tickets promptly and restore systems and services to full operational capability.
 * Maintain and update all as-built design and O&M manuals for equipment, ensuring compliance with government standards.
 * Conduct periodic tests, inspections, and preventive maintenance for telecommunications systems.
 * Ensure system and subsystem operation meets specified performance requirements.
 * Develop and execute test plans for voice services, ensuring industry standards compliance.