Senior VOIP Engineer

H2 Performance Consulting

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Washington, District of Columbia, US on site Until 8/23/2026 10+ years exp First posted May 22, 2026 Last posted May 22, 2026
Job description

H2 Performance Consulting is subject to the Vietnam Era Veteran's Readjustment Assistance Act as a Federal Contractor and is an Equal Opportunity/Affirmative Action Employer and strives to build a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status. Additionally, as mandated under Executive order 12989, H2 is required to verify employment eligibility of selected candidates through the Department of Labor’s - E-Verify.

 

H2 Performance Consulting (H2) is seeking a Voice Over Internet Protocol (VOIP) Engineer. As a VoIP network engineer on our team, you’ll work with Video Voice over IP, a reliable network to support critical missions. This is your chance to share your expertise with IP Telephony, naval systems, and cybersecurity while broadening your network engineering work. 

The VOIP Engineer responsibilities will include:

  • Collaborate with SMEs, customers, and users to learn the strategic goals and operational needs that shape the network requirements.
  • Support the planning of acquisition, installation, configuration, and maintenance of telephony network components.
  • Resolve interoperability issues across platforms.
  • Support the acquisition of hardware.

 

Basic Qualifications:

  • 10 years experience with implementing and maintaining all aspects of Cisco VoIP network infrastructure, including Racking and cabling LAN, VoIP, VPN, and Network Security
  • 8 years experience maintaining and managing Cisco Unified Communications Manager (UCM), voice and survivable remote site telephony gateways, STIGS, encryption protocols, secure telephony, including STE and vIPER
  • Ability to configure Cisco routers, switches, and gateways
  • Ability to support trouble tickets and incidents using ServiceNow
  • Bachelor's degree
  • Active Secret Clearance
  • Security + and CCNP Voice and Collaboration Certification

 

Preferred Qualifications:

  • Experience with ATO package requirements, network architecture and design
  • Knowledge of analog systems, Definity, POTS, broadband circuit
  • Top Secret clearance

 

Clearance Qualifications:

  • Must have a DoD Secret Security Clearance

 

Qualified candidates may submit their resume to the career section of our company website at http://www.h2pc.com.   All resumes will be reviewed within 5 business days and those candidates we wish to further in the application process will be contacted via email/phone to schedule initial phone screens.

About this role

Summary

Manage Cisco VoIP infrastructure, support network security, and resolve interoperability issues.

Job title

Senior VOIP Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

government

Location requirements

Washington, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

Cisco VoIPCisco UCMCisco routersCisco switchesServiceNowSecurity+CCNP Voice and Collaboration

Preferred skills

ATO packagenetwork architectureanalog systemsDefinityPOTSbroadband circuit

Specializations

VoIPCisconetwork securitytelephonycybersecurity
Locations

Structured locations inferred from the posting.

Washington, DC, USA

On-site City