Evolver, Inc.

Telecommunications Engineer (VOIP Systems)

3 weeks ago
Job ID
# of Openings


Evolver is a technology company serving the Federal, Commercial, and Legal markets that addresses client challenges in the present and transitions clients into the future by introducing efficient and effective IT solutions. Established in 2000, Evolver has successfully grown to be a trusted technology leader. Evolver’s efforts and growth have been recognized by leading publications and organizations, including Inc. 5000 for five consecutive years, and most recently “Future 50” from SmartCEO. With a dedicated focus on client satisfaction, Evolver has proven its value time and time again, from managing day-to-day operations to skillfully navigating the implementation and support of new technologies. Evolver’s core competencies are infrastructure, application development, cybersecurity, cloud, end-user support, data analytics and legal services.


We believe our employees are key to our success and continued growth. We attract and retain our diverse workforce by promoting a work-life balance with generous and flexible time off, competitive compensation and benefits, and a commitment to professional development. When you join Evolver, you join a community of talented and dedicated individuals whose abilities, skills, and actions contribute to the success of the company.


Evolver is seeking a Telecommunications Engineer (VIOP Systems) to work on St. E's campus in Washington, DC.


***US citizenship and Active Secret Clearance required.***

Essential Job Duties and Responsibilities

  • Provide Tier III level resolution and customer support to all VoIP and DVTC issues across the enterprise, and provide outage documentation;
  • Troubleshoot common VoIP issues including identifying and correcting issues with endpoints, trunks, dial plans, and profiles;
  • Requires recent, hands-on technical experience supporting unified communications and Voice over IP (VoIP) telephony services;
  • Responsible for the administration and maintenance of a large Cisco campus wide enterprise VOIP network;
  • Work as a member of a larger network and telecommunications team, this systems administrator is responsible for the daily operation and maintenance of unified voice/video/data services provided across campus and wide area networks, and ensures changes to the environment are clearly documented (creating and updating all related engineering documents, drawings, IP addressing assignments, etc.).


Minimum Qualifications and Requirements

At least five years of experience implementing, troubleshooting, and documenting converged networks interconnecting endpoints, gateways, and teleconference bridge products.  Must possess a strong understanding of telecommunication circuits (DS-0, DS-1, DS-3, T-1, T-3, PRI, and BRI) and multimedia protocols (H.323, SIP, SCCP, MGCP, RTP, RTSP, RTCP, etc.).


  • Bachelor’s degree in Computer Science, Engineering or a related technical discipline;
  • Ability to obtain and maintain a DHS EOD.


Must have recent hands-on experience with the following tools and technologies:


  • Cisco Call Manager
  • Cisco Unity
  • Cisco Telepresence
  • Tandberg Management Suite
  • E911 environments
  • Cisco Unified Communications Manger 8.x
  • Cisco Servers (VM and traditional platforms)
  • Cisco Unified Contact Center Express
  • Polycom products
  • Cisco IOS 12.x/15.x
  • VC Web Wizard scheduling interface
  • Perl scripting language for automating configuration changes


Other recent hands-on experience must include:


  • Troubleshooting common VoIP issues (identifying and correcting issues with endpoints, trunks, dial plans, profiles, etc.);
  • Experience with DOD, DISA STIG, and DIA VOIP security requirements and the ability to meet and/or mitigate security requirements;
  • Configuring Cisco routers to act as VoIP gateways;
  • Managing conferences through the MCU/MCS;
  • Troubleshooting common VTC issues (identification of failed endpoints, bandwidth saturation, misconfigured conferences, etc.);
  • Good understanding of system networking over diverse topologies and environments and the limitations and advantages of different network/system architectures;
  • Troubleshooting installation and break/fix issues associated with Voice and/or Video over IP products and integrating these components within heterogeneous network environments involving legacy PBX systems and the PSTN;
  • Supporting voice and/or video end-users, coordinating with Cisco TAC, and telecommunication carriers’ Tier 2 and 3 support groups, tracking and escalating trouble tickets, and working with end-users;
  • Deploying and maintaining server-based and router-based dial plans;
  • Licensing of devices and servers (VoIP and DVTC);
  • Reviewing Ethernet packet captures using tcpdump, Ethereal, Wireshark, etc., study network traffic flows, read interface statistics and identifying network connectivity and performance problems affecting Voice and Video over IP communications.


Experience “Pluses”:


  • Recent experience troubleshooting voice and video problems in an enterprise or service provider environment is a big plus;
  • Experience modifying firewall rule sets and/or effectively communicating firewall rule changes to ensure multimedia applications are capable of successfully traversing across firewalls is a plus;
  • Recent experience as a Linux and/or Windows System Administrator is a big plus.

EOE Statement

At Evolver, we foster teamwork, growth, individuality and entrepreneurialism. We value employee opinions and encourage them to make a difference by getting involved and being thought-leaders. As a part of the Evolver team, we actively promote a working and learning environment that supports a highly qualified workforce and a quality of work life that is based on trust and respect for all employees resulting in a healthy and trusting organizational culture.


Evolver, Inc. is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, disability or veteran status. Evolver offers a comprehensive benefits plan including (but not limited to): medical, dental, vision, 401(k), life, AD&D and short term and long term disability insurance.



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