Unified Communications Engineer

National Capitol Contracting LLC; Washington (District of Columbia); On-site; USD 145,000 - 155,000; Full time

Benefits offered by this job

Onsite in DC

Equal Opportunity Employer

Job summary

National Capitol Contracting LLC in Washington, DC is seeking an experienced Unified Communications Engineer for an onsite role requiring active Top Secret clearance. You will lead design, deployment, and optimization of voice, video, and data networks across Cisco CUCM, Unity Connection, Expressway, and Microsoft Teams Voice.

As the senior technical authority, you will guide integration with AD, cloud services, and virtualization, ensure security standards such as TLS/SRTP and DISA STIGs, and

Qualifications

• Active Top Secret security clearance required, with willingness to obtain TS/SCI CI Polygraph.
• 10+ years of enterprise Unified Communications engineering experience.
• Expert knowledge of voice, video, collaboration systems, and supporting networks.

Responsibilities

• Serve as the senior technical authority for enterprise UC environments, providing leadership on strategic initiatives and mission-critical assignments.
• 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.
• Integrate UC solutions with Active Directory, cloud services, virtualization platforms, and network infrastructure.
• Lead projects such as technology refreshes, data center migrations, and collaboration platform enhancements.

Skills

Leadership

Communication

Project management

Unified Communications

Education

Bachelor's degree

Tools

Cisco CUCM

Unity Connection

Expressway

Microsoft Teams Voice

SIP / VoIP protocols

TLS / SRTP

DISA STIGs

ESXi virtualization

Cisco UCS

Job description

Position Summary

This is an ONSITE position located in Washington, D.C.ACTIVE TOP SECRET CLEARANCE REQUIRED.NCC is seeking candidates for a Unified Communications Engineer.

Unified Communications Engineer

to provide direct technical direction and analysis for telecommunication activities including planning, designing, configuring, integrating, installing, and maintaining voice, video, and data telecommunications/communications networks and services with computer systems.

Key Areas of 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.

Minimum Requirements

• 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
• Cisco Certified Network Professional (CCNP) Collaboration.

Compensation

$145,000 - $155,000. The compensation range listed for this position is provided as a good-faith estimate of what the company intends to offer for this role. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, budget, market data, and relevant laws.

NCC provides reasonable accommodations to qualified individuals with disabilities.

NCC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status, political affiliation, genetic information, or any other legally protected status or characteristic. E-Verify Employer. VEVRAA Federal Contractor.