VoIP Engineer Job Descriptions, Average Salary, Interview Questions

We are seeking a VOIP engineer to design, implement, and support our internal VOIP system. This position will work with the IT department to create a unique system that ushers in new capabilities for productivity. They will be responsible for VOIP hardware and software. To be successful in this position, you must have a bachelor’s degree or higher from an accredited college or university with major coursework in telecommunications technology, electronics engineering technology, electrical engineering technology, computer science, information systems management, and other related fields.

Typical duties and responsibilities

• Install equipment to facilitate integration with our intranet
• Provide advice on how to configure network switches for optimal functionality
• Troubleshoot hardware problems
• Research software updates to increase capacity and optimize performance
• Design, implement, test, and support the daily operations of our VOIP system
• Identify short-term goals to increase productivity in communications infrastructure
• See that all equipment functions are optimized for efficiency
• Perform network analysis to improve security and prevent future failures or downtime
• Research new technologies to stay abreast of field developments

Education and experience

• A bachelor’s degree in telecommunications, electronics engineering technology, computer science, information systems management, or a related field is required for this position
• 6 to 10 years of work experience in the IT industry with two or more years of VOIP expertise
• Excellent knowledge of IP networks and technologies such as NAT, DHCP, DNS, VLAN, MPLS, and WAN
• Strong background in TCP/IP networking specifications, performance improvement techniques, network management tools, and methodologies
• Working knowledge of network topologies such as LANs, WANs, MANs, and wireless networks
• Knowledge of Open Source VOIP solutions is a plus
• Working knowledge of scripting languages such as Perl, PHP, and C++ is a plus

Required skills and qualifications

• Strong knowledge of network protocols and networking technologies
• Ability to work with common programming languages
• Capacity to learn new programming languages
• Advanced skills for troubleshooting problems related to networks
• Knowledge of Linux and Windows systems, including shell scripting languages
• Knowledge of TCP/IP
• Basic knowledge of Cisco Systems, Juniper Networks, and other telecommunication networks architecture

Preferred qualifications

• Knowledge of Java, XML Technologies, and VoIP protocols, including SIP and RTP
• Experience with signaling protocols such as H.323 or MGCP
• Excellent knowledge of Python
• Experience with network protocols such as PANA, DHCP, and DNS
• Exceptional analytical skills

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

Responsibilities

• 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

Requirements

• 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

Overview

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

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.