Network Infrastructure Specialist III
Listed on 2026-10-18
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IT/Tech
Network Engineer, Systems Engineer
Network Infrastructure Specialist III in 25 - HINDS COUNTY, MS
State of Mississippi
$60,906.98 - $78,000.00 Annually
Location25 - HINDS COUNTY, MS
Full-Time
Job NumberH
0601 - INFORMATION TECH SERVICES Opening Date10/15/2026
10/22/2026 at 11:59 PM Central Time (US & Canada)
Agency Minimum Salary$60,906.98
$78,000.00
About the AgencyThe Mississippi Department of Information Technology Services (ITS) is seeking a highly skilled Voice Network Engineer to oversee the design, implementation, security, and optimization of our enterprise IP telephony and Unified Communications (UC) infrastructure.
In this role, you will be responsible for the full lifecycle of our telephony ecosystem, from traditional voice circuits to IP-PBX systems and cloud-integrated platforms. You will focus on application-layer signaling protocols and complex network routing.
What you'll need to be SuccessfulUnderstanding of the OSI model, with knowledge of SIP, RTP, SRTP, SDP, H.323, TCP/IP, UDP, DNS, and DHCP;
Hands-on experience engineering SBC software/hardware platforms alongside enterprise IP-PBX frameworks;
Strong familiarity with core network infrastructures, including Voice VLAN scoping, Power over Ethernet (PoE), and LAN/WAN switching/routing dynamics;
Advanced proficiency utilizing Wireshark, VoIP monitoring suites, and system syslog aggregators.
Typically requires a Bachelor's Degree and 5-8+ years of IT experience with emphasis in network infrastructure, operations and administration.
Address 210 East Capitol Street
Suite 800
Jackson, Mississippi, 39201
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