Voice and Video Engineer

ManTech International Corp

Doral, FL

JOB DETAILS
SKILLS
AFRICOM - United States Africa Command, Architectural Services, Artificial Intelligence (AI), Automation, Avaya Software, Business Administration, CCNP - Cisco Certified Network Professional, CENTCOM - Central Command, Call Control, Cloud Computing, Communication Skills, Communications Protocols, CompTIA Security+, Computer Science, Control Systems, Customer Relations, Engineering, H.323, IAT - Information Assurance Technical, IP (Internet Protocol), Identify Issues, Information Systems/Technology IS/IT Administration, Knowledge Base, Local Area Network (LAN), Microsoft Product Family, Network Administration/Management, Office Equipment, People Management, Performance Analysis, Presentation/Verbal Skills, QoS (Quality of Service), Root Cause Analysis, SIP (Session Initiation Protocol), Satellite Communications, Secret Clearance, Security Protocols, Sensitive Compartmented Information (SCI), Speech Technology, Strategic Planning, Systems Analysis, Technical Leadership, Technical Support, Technical/Engineering Design, Telecommunications, Teleconferencing, Top Secret Clearance, Unified Communications, United States Department of Defense (DoD), Usage Analysis, Videoconferencing, VoIP (Voice over IP), Voice Applications, Voice Products, Wide Area Network (WAN), Wireless Radio
LOCATION
Doral, FL
POSTED
9 days ago

General information

Requisition #

R68689

Locations

USA-FL-Doral

Posting Date

06/15/2026

Security Clearance Required

Secret

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Voice and Video Engineer to join our team in Doral, FL.

Responsibilities include but are not limited to:

  • Designs, implements, and maintains complex voice and video communication solutions, ensuring seamless and effective organizational communication.
  • Possesses in-depth knowledge of VoIP, video conferencing, unified communications platforms, and network infrastructure.
  • Provides technical leadership, develops communication strategies, and integrates voice and video solutions into the overall communications environment.
  • Designs and engineers scalable, reliable, and secure voice and video solutions to meet business requirements and develops architectural diagrams and technical specifications.
  • Evaluates and recommends new technologies, leads implementation and deployment of new systems, and collaborates with other IT staff for seamless integration.
  • Monitors system performance, analyzes usage, implements security measures, and provides expert technical support.
  • Develops knowledge base articles, conducts root cause analysis for incidents, takes direction from the DoDIN Operations Lead, and provides guidance to subordinate team members.

Minimum Qualifications:

  • BA/BS in Computer Science, Information Technology, Business Administration, or a related field or 4 years of additional experience in lieu of degree.
  • 8+ years of professional experience
  • 5+ years relevant Voice and Video Engineer experience.
  • Expertise in configuring and troubleshooting various voice and video equipment, including IP phones, video conferencing endpoints, gateways, and call control systems.
  • Strong understanding of network infrastructure, including LAN/WAN, QoS, and security protocols.
  • In-depth knowledge of voice and video communication technologies, protocols, and standards (e.g., VoIP, SIP, H.323, WebRTC). Extensive experience with VoIP systems, video conferencing platforms, and unified communications solutions
  • Must possess current IAT Level II Certification for example, Security+

Preferred Qualifications:

  • Master's degree in Computer Science, Telecommunications, or a related field.
  • Knowledge of emerging voice and video technologies (e.g., cloud-based solutions, AI-powered video analytics). Experience with network automation and orchestration for voice and video systems.
  • Cisco Certified Network Professional (CCNP), Collaboration Avaya Certified Expert (ACE), Unified Communications, Microsoft Certified Teams Administrator‒Associate.
  • Experience at a DoD Combatant Command (e.g., SOUTHCOM, NORTHCOM, CENTCOM, CYBERCOM, INDOPACOM, EUCOM, AFRICOM, STRATCOM, TRANSCOM, SOCOM, SPACECOM) or a component is desired.
  • Working knowledge of technologies such as Land Mobile Radio, Satcom, Cabling and site surveys, inside and outside Plant and Point to Point.

Clearance Requirements:

  • Must have an active Secret clearance
  • Must be eligible to obtain a TS/SCI clearance.

Physical Requirements:

  • Must be able to be in a stationary position more than 50% of the time
  • Must be able to communicate, converse, and exchange information with peers and senior personnel
  • Constantly operates a computer and other office productivity machinery, such as a computer
  • The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about