Senior Microsoft Teams Telephony Engineer jobs in United States
cer-icon
Apply on Employer Site
company-logo

RedMatter Solutions · 13 hours ago

Senior Microsoft Teams Telephony Engineer

positionWashington DC,VA,US
timeFull-time
remoteOnsite
senioritySenior Level, Lead/Staff
date8+ years exp

RedMatter Solutions is seeking a technically experienced and solutions-driven Senior Microsoft Teams Telephony Engineer to lead the design, deployment, and operational support of Microsoft Teams Voice solutions. The role involves managing the full lifecycle of Teams Phone services and ensuring reliable, secure, and scalable voice services in an enterprise environment.

Cyber SecurityInformation TechnologyManagement Consulting
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Design, deploy, and operate Microsoft Teams Voice solutions using Direct Routing and Operator Connect
Configure, manage, and maintain AudioCodes Mediant Session Border Controllers (SBCs)
Build and maintain enterprise dial plans, call routing policies, and number management services
Implement and support Teams Voice features, including e911, call queues, auto-attendants, voicemail, and resource accounts
Monitor voice infrastructure health, performance, and availability
Perform platform upgrades, patching, and lifecycle management of telephony systems
Maintain certificate lifecycle management and secure SIP/TLS connectivity
Support integration of Teams telephony with enterprise network, identity, and security platforms
Troubleshoot and resolve complex voice, SIP, and call quality issues
Act as Tier 3 escalation for telephony incidents and outages
Participate in incident response, root cause analysis, and service improvement initiatives
Maintain technical documentation, standards, and operational procedures
Support testing and validation of VoIP devices and Analog Telephone Adapters (ATAs)
Collaborate with network, security, and operations teams on architecture and service design

Qualification

Microsoft Teams Phone SystemAudioCodes Mediant SBCsSIPVoIP routingPowerShell scriptingEnterprise telephony experienceTroubleshooting skillsMulti-site voice environmentsWritten communication skillsVerbal communication skills

Required

U.S. Citizenship required
Ability to pass background investigation and suitability requirements
Availability to work onsite as required
Willingness to participate in on-call and after-hours support as needed
Bachelor's degree in Information Systems, Computer Science, Engineering, or related field — or equivalent professional experience
Minimum 8+ years of experience in enterprise telephony or unified communications
Direct experience supporting Microsoft Teams Phone System in large-scale environments
Strong experience with Microsoft Teams Admin Center
Strong experience with Microsoft 365 Admin Center
Strong experience with PowerShell scripting and automation
Hands-on expertise with Microsoft Teams Direct Routing and Operator Connect
Hands-on expertise with SIP, VoIP routing, and enterprise dial plan design
Hands-on expertise with AudioCodes Mediant Session Border Controllers (SBCs)
Experience deploying and supporting e911, call queues, auto-attendants, voicemail, and number management
Proven ability to troubleshoot complex voice and networking issues
Strong written and verbal communication skills
Experience supporting multi-site enterprise voice environments

Preferred

Active security clearance preferred; must be eligible and able to obtain a clearance

Company

RedMatter Solutions

twittertwittertwitter
company-logo
RedMatter Solutions is an advanced cybersecurity firm.
dateFounded in 2014
location
Arlington, Virginia, USA
people-size51-200 employees
web-link
https://www.redmattersolutions.com/

Funding

Current Stage
Growth Stage
Company data provided by crunchbase