Network Engineer - VOIP

M2 Solutions Inc.; McLean (VA); On-site; USD 80,000 - 110,000; Full time

Job summary

A government contracting firm located in McLean, Virginia, is seeking a network engineer with expertise in VoIP systems and a strong background in TCP/IP and LAN/WAN. The role involves working in a collaborative team to support U.S. Government projects. Required qualifications include advanced knowledge of networking, experience with voice and video technologies, and TS/SCI clearance. Ideal candidates should be able to communicate technical designs to diverse audiences and troubleshoot complex systems.

Qualifications

• Strong background in designing and implementing Local and Wide Area Networks (LAN/WAN).
• Advanced knowledge of TCP/IP Networking.
• Experience in configuring and troubleshooting LAN Switches, Routers, and Firewalls.

Responsibilities

• Provide technical expertise in network engineering and VoIP.
• Design, implement, and maintain voice systems.
• Convey technical designs to non-technical audiences.

Skills

Networking (TCP/IP, QoS, LAN/WAN)

VoIP protocols (SIP, RTP, H.323)

Soft skills (problem-solving, communication, troubleshooting)

Using tools (Wireshark)

Tools

Cisco

Asterisk

3CX

Job description

Work as part of a collaborative, multidiscipline team in support of U.S. Government and provide technical expertise in the field of network engineering and VOIP. Possesses a mix of technical skills in networking (TCP/IP, QoS, LAN/WAN), VoIP protocols (SIP, RTP, H.323), and platforms (Cisco, Asterisk, 3CX), alongside soft skills like problem‑solving, communication, and troubleshooting using tools like Wireshark for complex call routing, security (SBCs, TLS), and cloud integration to design, implement, and maintain voice systems.

Required Qualifications

• Strong background designing and implementing Local and Wide Area Networks (LAN/WAN)
• Advanced knowledge of TCP/IP Networking
• Advanced experience with Voice and Video technologies (engineering vs implementation)
• Experience configuring and trouble‑shooting LAN Switches, Routers, and Firewalls and VPN concentrators.
• TS/SCI with polygraph

Desired Qualifications

• Ability to convey technical designs, ideas and results to non‑technical audiences and provide briefings to high‑level government personnel.
• Experience in authoring documents (reports, briefings, etc.) to support customer missions.
• Demonstrated ability to apply the engineering design process to discover innovative methods to solve technical problems and meet client requirements.