Unified Communications Engineer – SME

Jobtailor; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

Jobtailor in Washington, DC seeks a senior Unified Communications engineer to serve as the technical authority for enterprise UC environments, shaping roadmaps, designs, and integrations with Cisco CUCM, Unity Connection, and Microsoft Teams Voice.

You will drive performance improvements, lead complex projects, and mentor teams while ensuring security controls and DISA STIG compliance across data centers and cloud environments.

Qualifications

• Bachelor’s degree in a related field.
• 10+ years of enterprise telecommunications and Unified Communications engineering/administration experience.
• Expert knowledge of voice, video, collaboration systems, and supporting networks.
• Experience with Cisco CUCM, Unity Connection, IM & Presence, Expressway, and Microsoft Teams Voice.
• Strong knowledge of SIP, H.323, MGCP, UDP, RTP, SRTP, and TLS protocols.
• Experience with QoS, BGP, OSPF, MPLS, IPSEC, Cisco CUBE, Oracle SBC, and related network technologies.
• Experience with ESXi virtualization, Cisco UCS, and cloud environments (IaaS, PaaS, SaaS).
• Knowledge of security controls, certificates, and compliance standards such as DISA STIGs.
• Strong leadership, decision‑making, and project management skills.
• Demonstrated attention to detail.
• Excellent communication, interpersonal, and emotional intelligence skills.
• Proven ability to collaborate cross‑functionally and lead teams effectively.
• Preferred Certifications: CCIE Collaboration or CCNP Collaboration.

Responsibilities

• Serve as the senior technical authority for enterprise UC environments and lead strategic initiatives.
• Establish goals, roadmaps, and project plans aligned with objectives.
• Design, engineer, integrate, and optimize enterprise voice, video, and collaboration platforms.
• Provide Tier 4 troubleshooting, root‑cause analysis, and resolution for outages.
• Analyze network performance and recommend modernization efforts.
• Integrate UC with Active Directory, cloud services, and virtualization.
• Implement secure communications and ensure DISA STIG compliance.
• Lead technology refreshes, data center migrations, and platform enhancements.
• Partner with clients to assess needs and recommend solutions.
• Develop and maintain SOPs, diagrams, and technical standards.
• Mentor team members and collaborate across the organization.
• Perform other duties as assigned.

Skills

Leadership

Project management

Communication

Attention to detail

Cross-functional collaboration

Security awareness

Education

Bachelor’s degree in a related field

Tools

Cisco CUCM

Unity Connection

IM & Presence

Expressway

Microsoft Teams Voice

ESXi virtualization

Cisco UCS

Oracle SBC

Cisco CUBE

Job description

Responsibilities

• Serve as the senior technical authority for enterprise Unified Communications (UC) environments, providing leadership on strategic initiatives and mission‑critical assignments.
• Establish goals, roadmaps, and project plans aligned with organizational objectives.
• Design, engineer, integrate, and optimize enterprise voice, video, and collaboration platforms including Cisco CUCM, Unity Connection, Expressway, and Microsoft Teams Voice.
• Provide Tier 4 troubleshooting, root‑cause analysis, and resolution for complex outages and performance issues.
• Analyze network performance, traffic flows, interfaces, and protocols to recommend improvements and modernization efforts.
• Integrate UC solutions with Active Directory, cloud services, virtualization platforms, and network infrastructure.
• Implement secure communications using TLS, SRTP, certificates, IPSEC, and ensure compliance with applicable standards such as DISA STIGs.
• Lead projects such as technology refreshes, data center migrations, and collaboration platform enhancements.
• Partner with clients and stakeholders to assess needs, analyze data, and recommend solutions.
• Develop and maintain SOPs, engineering documentation, diagrams, and technical standards.
• Mentor team members, advise leadership, delegate effectively, and collaborate across all organizational levels.
• Perform other duties as assigned.

Qualifications

• Active Top Secret security clearance required, with willingness to obtain TS/SCI CI Polygraph.
• Bachelor’s degree in a related field.
• 10+ years of enterprise telecommunications and Unified Communications engineering/administration experience.
• Expert knowledge of voice, video, collaboration systems, and supporting networks.
• Experience with Cisco CUCM, Unity Connection, IM & Presence, Expressway, and Microsoft Teams Voice.
• Strong knowledge of SIP, H.323, MGCP, UDP, RTP, SRTP, and TLS protocols.
• Experience with QoS, BGP, OSPF, MPLS, IPSEC, Cisco CUBE, Oracle SBC, and related network technologies.
• Experience with ESXi virtualization, Cisco UCS, and cloud environments (IaaS, PaaS, SaaS).
• Knowledge of security controls, certificates, and compliance standards such as DISA STIGs.
• Strong leadership, decision‑making, and project management skills.
• Demonstrated attention to detail.
• Excellent communication, interpersonal, and emotional intelligence skills.
• Proven ability to collaborate cross‑functionally and lead teams effectively.
• Preferred Qualifications: One of the following certifications: Cisco Internetwork Expert (CCIE) Collaboration or Cisco Certified Network Professional (CCNP) Collaboration.

Core Competencies

Demonstrates extensive expertise in Unified Communications engineering and administration, with a focus on designing, integrating, and optimizing voice, video, and collaboration platforms. Proven ability to lead strategic initiatives, mentor teams, and ensure compliance with security standards.