Our client, an IT Services organization supporting commercial and federal clients is seeking a VoIP / Unified Communications Engineer to support a federal contract.

Responsibilities:
- Cisco Call Manager (CUCM) engineering
- SIP trunk design and support
- Contact Center architecture support
- Tier-4 VoIP escalation
- CUIC reporting
- Mitel PBX to VoIP convergence

Required Skills

Required Skills:

- Must be US Citizen due to government requirement
- Strong expertise in Cisco Unified Communications, including CUCM (Cisco Call Manager) engineering and administration
- Deep understanding of SIP protocol, SIP trunk design, and call flow analysis/troubleshooting
Proven experience supporting VoIP environments, including Tier-3/Tier-4 escalation
- Hands-on experience with Contact Center technologies (e.g., UCCX/UCCE)
- Proficiency in CUIC reporting and call analytics
- Experience with dial plans, voice gateways, codecs, and QoS
- Strong troubleshooting skills across voice and network layers (LAN/WAN)
- Experience with VoIP diagnostic tools (e.g., Wireshark, RTMT)
- Ability to work independently in a remote environment
- Willing to travel to DC as needed

Plus Skills:

- Experience with Mitel PBX to VoIP/Cisco UC migrations
- Knowledge of VoIP security (TLS, SRTP, firewall/NAT traversal)
- Scripting or automation experience for UC environments
- Familiarity with cloud-based UC platforms (e.g., Webex Calling, Microsoft Teams Voice)
- Relevant certifications (e.g., CCNP Collaboration, CCIE Collaboration)
- Strong documentation and stakeholder communication skills