Sr. PBX/VoIP Technician - Cleared

RDTS is seeking a Senior PBX/VoIP Technician to support a U.S. Dept of State Office of Emergency Management (OEM) continuity communications program. This is a key personnel position on a proposed federal task order supporting national-level continuity-of-government communications missions. The selected candidate will be named in our proposal and must be available to begin performance upon contract award (anticipated August 2026).

This role sits within a Secure Communications Team supporting mission-critical Audio Visual (AV), Information Technology (IT), and telecommunications systems that enable the Department's domestic emergency continuity mission.

Responsibilities Include:

• Install, maintain, and troubleshoot secure and unsecure telephone and video telecommunications systems as a member of a Secure Communications Team.
• Serve as a 24/7 on-call point of contact for communications issues, ensuring continuity of mission-critical operations across Department facilities.
• Configure and manage PBX/VoIP systems, including user extensions, call routing, voicemail systems, and automated attendants.
• Perform system upgrades, patches, and firmware updates to maintain optimal performance and security compliance.
• Monitor system performance and generate reports on call quality, system capacity, and usage patterns.
• Install and configure network infrastructure, including routers, switches, access points, and structured cabling at facilities and remote locations.
• Conduct system testing and quality assurance checks to identify and resolve issues before they impact operations.
• Maintain documentation of system configurations, network diagrams, and standard operating procedures.
• Provide technical training and support to end users.
• Coordinate with vendors and service providers on complex technical issues and service contracts.
• Support deployment and execution of National Continuity Programs, including transportation, logistics, and facility setup at designated alternate work locations.
• Ensure all telecommunications systems comply with Department security policies and federal regulations.

• Active Security Clearance
• Minimum 5-7 years of hands-on experience installing, configuring, and maintaining enterprise PBX/VoIP systems (Avaya, Cisco Unified Communications Manager, Mitel, or Microsoft Teams Phone System)
• Strong knowledge of VoIP protocols including SIP, H.323, RTP, and QoS implementation
• Experience installing and programming switches, routers, access points, CCTV, and infrastructure cabling
• 4+ years of proficiency in network infrastructure, including TCP/IP, VLANs, routing, switching, and firewall configurations
• Experience with session border controllers (SBCs) and gateway configurations
• Demonstrated ability to troubleshoot complex telecommunications issues using diagnostic tools and call analysis software
• Strong verbal and written communication skills; ability to work effectively within a matrixed organization
• Ability to work flexible hours, including evenings and weekends, for events or emergencies
• Comfortable working at heights (ladders, lifts) and in confined spaces
• Ability to lift and move equipment (50+ lbs)
• Ability to lead and mentor junior technicians
• Ability to work independently with minimal supervision
• Willingness to travel occasionally to support remote locations as needed

Preferred Qualifications:

• Valid telecommunications or network certifications (e.g., Cisco CCNA/CCNP Collaboration, Avaya ACSS/ACIS, CompTIA Network+) 

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.