VOIP EngineerJob Description, Salary, Career Path, and Trends

A VoIP engineer is oftentimes required by a company in order to ensure their VoIP or voice over IP connections are functioning and deployed properly. VoIP engineers oversee and engage in the installation, maintenance, and upgrading of any VoIP systems within your business. These engineers will often work on a by-company basis due to the crucial nature of the functioning of any VoIP systems which your company uses.

Due to the highly technical nature of the position, an ideal candidate will oftentimes have either a degree or relevant certifications for their position. These candidates should also be considered if they are excellent at technical troubleshooting, and an intimate understanding of VoIP systems is of utmost importance. VoIP engineers will work in an office environment, although their job may require them to travel to different locations depending on the complexity and size of the VoIP system implemented by your business.

Sample job description #1

Being part of the NTT Data group enables ABC Company to offer a wider range of solutions and services through increased capacity, as well as technological, geographical, and financial resources.

ABC Company is looking for high-achieving team players that are quickly adaptable to new challenges and entrepreneurial ventures. We are currently seeking a VoIP Network Engineer for our client in (City, State).

  • We want to incorporate the resource, as soon as possible
  • Position is to work onsite at client facilities in (City, State)
  • This is a long-term contract position


  • Act as Subject Matter Expert on VoIP communications, based on Cisco Technologies
  • Collaborate in VoIP projects. Currently there is an Ongoing project for Call managers consolidation and migration to platform 12.5
  • Be part of L3 support for the Networking team in a Multitiered support team


  • 5+ years’ experience in IT VoIP with Cisco VoIP Technologies
  • CCNA or CCNP (preferable 350-801 CLCOR)
  • Onsite presence in (City, State) office
  • Ability to work autonomously and manage client expectations
  • Effective interpersonal, written and verbal communications skills
  • Outstanding organization, time management, and interpersonal skills
  • Proactive documentation of work

Knowledge of

  • VoIP infrastructures based on Cisco Unified Communications design and management
  • Switching, routing
  • Familiar with ticketing systems like IT Now

Sample job description #2


Responsible for providing day-to-day administration, operation, maintenance, troubleshooting, and support for an advanced voice and network system across all ABC Company’s sites. Provides engineering support for the VoIP network infrastructure and UC services to include TDM and IP-based trunking, voice routing design, configuration, and unified messaging. Serves as an escalated Tier 3 resource for customer incidents and work orders for network services and voice network infrastructure devices. Provide cross-training and mentoring across Tier 1/2 engineering team. Supports the engineering and project management teams by performing the voice communications aspects of medium to large sized projects from inception to completion including technical assessments, design, planning, integration, testing, and implementation. Creates and maintains technical documentation (network designs, SOPs, User Guides, etc. ) in support of both direct customer education and the technical knowledgebase. Must have experience on Cisco Routers, Structured Cabling, and LAN/WAN circuits; PRI, SIP, MPLS, FXO, FXS, and POTS. Must possess advanced knowledge of the Cisco Unified Call Manager, IMP, Telepresence, IPCC, Unity, CCX, SRST, CUBE, secure voice concepts, and secure voice processes.

Must possess in-depth experience in the design, configuration, long-term planning, operational support, and project management of large telecommunication systems and associated data networks. Advanced experience supporting unified collaboration tooling preferred.

Required education/experience

  • Bachelor’s degree in Computer Science or a related field OR equivalent combination of education and experience that demonstrates competency
  • 5 years functional experience in supporting Voice Operations and/or Voice Engineering
  • Per the driver’s license requirement noted below, must have a driving record acceptable to Risk Management

Required credentials

  • Current State Driver’s license

Preferred qualifications

  • Certification on Cisco voice systems

Knowledge, skills and abilities

  • Advanced knowledge of VLANs, switchport configuration, layer two networking, and QOS
  • Advanced knowledge of the following protocols: SIP, MGCP, H.323, SCCP
  • Strong analytical and problem-solving skills
  • Good communication and interpersonal skills
  • Ability to achieve customer satisfaction by maintaining SLA’s for call quality, uptime, and resolution of high-priority incidents
  • Able to effectively use required tools and equipment
  • Able to recognize and solve typical problems related to Voice Communications systems
  • Able to establish and maintain effective working relationships with staff and vendors
  • Able to work with changing work priorities and deadlines

Sample job description #3

ABC Company is seeking an experienced VOIP Engineer with a Public Trust Clearance to support XYZ and our government customer in (City, State).

Essential functions, responsibilities & duties may include, but are not limited to:

  • Meeting with IT managers to determine the company’s networking needs
  • Analyzing existing VoIP networks and computer systems
  • Developing architecture plans for voice and data services
  • Installing network hardware modules including IP and PBX communication servers
  • Designing and implementing VOIP systems
  • Support Legacy Siemans PBX during transition
  • Manage transition from legacy Siemans PBX to VOIP network
  • Troubleshooting VoIP network issues
  • Analyzing and upgrading network security systems and protocols
  • Adding network users and managing company permissions
  • Optimizing network installations for future expansion
  • Training staff on network and system protocols

Work experience, knowledge, skills & abilities:

  • Bachelor’s degree in information technology, computer science, or a similar field
  • 10 years Previous experience working as a VoIP network engineer
  • Preferred CCNA, CCNP
  • In-depth knowledge of VoIP systems and IP Protocols
  • Knowledge of hardware systems including servers, memory modules, processors, and peripherals
  • Detailed knowledge of network security systems and software
  • Good project management skills
  • Familiarity with WAN and LAN systems
  • Excellent troubleshooting skills
  • Advanced written and verbal communication skills

Working environment & conditions

This position is primarily indoors, consistent with a standard office position and has a noise level of mostly low to moderate. The incumbent is required to stand; walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; talk and hear. The workload may require the incumbent to sit for extended periods of time. The incumbent must be able to read, do simple math calculations, and withstand moderate amounts of stress. The incumbent must occasionally lift and/or move up to 25 lbs. Specific vision abilities required by the job include close vision, distance vision, color vision, depth perception, and the ability to adjust focus.

Average salary and compensation

The average salary for a VOIP engineer is $98,800 in the United States. Position salary will vary based on experience, education, company size, industry, and market.

LocationSalary LowSalary High
Phoenix, Arizona$98,250$132,950 
Los Angeles, California$110,850$150,00
Denver, Colorado$92,400 $125,00 
Washington, DC$112,550$152,250
Miami, Florida$91,950$124,400 
Orlando, Florida$84,800$114,750
Tampa, Florida$85,650 $115,900 
Atlanta, Georgia$89,850 $121,550 
Chicago, Illinois$103,300 $139,750 
Boston, Massachusetts$111,700 $151,100 
Minneapolis-St. Paul, Minnesota$89,000 $120,450 
New York City, New York$117,550$159,100 
Philadelphia, Pennsylvania$95,750 $129,550 
Dallas, Texas$93,200$126,100
Houston, Texas$92,400 $125,00 
Seattle, Washington$107,500 $145,450 
National Average$84,000 $113,600

Sample interview questions

  • Discuss with me how you handle changes in the job.
  • Are you good at learning new things?
  • What problems do you face and how do you solve them?
  • How do you keep your knowledge up-to-date?
  • What is your greatest technical achievement to date? Why was it significant?
  • What are some of your personal weaknesses? What have you done to try and improve upon them?
  • Some of our clients are concerned about how to implement VoIP technology without interrupting business as usual. What would you advise them?
  • What technical problems do you often face at your job? How do you solve them?
  • What is your idea of the most effective work environment and why?
  • Describe a typical day for me.
  • How did you develop your work style?
  • How do you deal with stress or pressure at work?
  • How well did your education prepare you for your career? For example, did it provide you with the skills necessary to succeed in this field?
  • What was the most useful thing you learned in school?
  • How do you handle criticism or discipline at work?
  • Describe a time when you missed an obvious solution to a problem. What did you do?

VOIP Engineer Jobs in Ashburn

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