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VoIP & Unified Communications Specialist
VoIP & Unified Communications Specialist-March 2024
O'Fallon
Mar 30, 2026
ABOUT LEIDOS
Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security
501 - 1,000 employees
Consulting
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About VoIP & Unified Communications Specialist

  Description

  Leidos has a career opening for a VoIP & Unified Communications Specialist at Scott AFB, IL .

  Job Summary:

  Our customer, Defense Information Systems Agency (DISA), acts as the provider of Defense Information System Network (DISN) services to the department of Defense (DoD) and other government organizations. The core telecommunications capabilities supported by GSM-O II enables the Warfighter to meet operational needs by providing world-wide telecommunications supporting natural disaster relief, peacetime humanitarian assistance, regional conflicts, and on-going strategic deterrence activities. This position is for the Unified Capabilities O&M Incident Management Desk within DISA’s 24x7 Network Operations Center (NOC) on Scott Air Force Base, Illinois supporting worldwide voice and video services. Shift work to include nights and weekend duty is required. Position may include extended periods of sitting while on a computer or phone and speaking with customers.

  Job Responsibilities:

  Conduct network and telecommunications system incident investigation.

  Monitor DoD-wide voice/video support hardware and services (legacy and current offerings): Voice telephony switching on Unclassified and Classified networks, mobile flyaway kits, Voice Internet Service Provider (VISP), and Video Teleconferencing (VTC) systems.

  Maintain, troubleshoot, document and repair network devices to include phone systems, call managers, VTC’s, network infrastructure and trunk circuits.

  Analyze network and telecommunications alarms and identify potential issues/solutions.

  Identify, recommend, and implement simple solutions for smooth continuing operation of the DISN network as capacity needs change.

  Conducts training of newly hired technicians.

  Works under limited to no direct supervision.

  Other job requirements as assigned.

  Minimum Qualifications:

  Proficiency in two or more of the following: TDM telephone switches, VoIP, Call Manager, VTC systems

  Competency in two or more of the following devices/vendors: CISCO, Juniper, Nortel, ACME Packet, Oracle, Palo Alto, Session Boarder Controllers (SBC), H.323 endpoints.

  Ability to perform troubleshooting, configuration, and restoration of services across multiple platforms.

  General understanding of IP and transport network topologies.

  High School Diploma and 2-4 yrs of relevant technical experience.

  Must hold Current DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent) prior to start date.

  Ability to participate in a 24/7 shift work environment, to include working nights and weekends.

  Must have an active, in-scope US Top Secret Government issued security clearance, with the eligibility to obtain a Top Secret/SCI clearance upon offer award.

  Due to the nature of the work and contract requirements, US Citizenship is required.

  Desired Qualifications

  Knowledge surrounding two or more of the following: Routers, Switches, PRI’s, SBC, Video Gatekeepers, Network Monitoring Systems, and cryptography operation/configuration

  Understanding of Session Initiated Protocol (SIP) messaging

  Technical Control Facility experience.

  Ticketing systems experience is a plus.

  Network+, CCNA, JNCIA, and similar/relevant certifications are also desirable.

  Customer service experience.

  Associates or Bachelor’s degree desirable.

  GSMO

  #O&M

  Pay Range:

  Pay Range $44,850.00 - $81,075.00

  The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

  Original Posting Date:

  01/03/2024

  While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

  REQNUMBER: R-00125903

  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

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