Full-Time
Enterprise Voice Engineer
Command Control Communications Engineering & Logistics (C3EL)
11-50 employees
Designs and maintains multi-classification defense networks
No salary listed
No H1B Sponsorship
Scott AFB, IL, USA
In Person
On-site at Scott Air Force Base, Illinois. US Citizenship and Secret clearance required.
US Citizenship Required
Bachelor's, Master's
 IT & Security (1) |
|---|
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- U.S. Citizenship.
- An active, in-scope US Government issued Secret clearance.
- Current DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent).
- Experience with one or multiple Cisco, Avaya, or Oracle voice platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC), and Avaya Aura Application Server.
- Expertise in SIP internetworking signaling and call flow.
- Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security, and large scale voice implementations.
- Requires a Bachelor's degree and 4-8 years of prior relevant experience or a Master's degree with 2-6 years of prior relevant experience. (Or equivalent combination of education and/or experience.)
- Perform engineering tasks to maintain a large, complex and highly resilient IP voice and video communications infrastructure.
- Manage, configure, troubleshoot and assure service supporting all aspects of a voice, video and data network. Must be organized, document oriented, possess skills in diagramming, and understand WAN principals.
- Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts.
- Configure and implement calling search spaces, route plans, route partitions, route lists and device profiles.
- Analyze and configure Cisco or Juniper routing and switching devices.
- Support distributed firewall infrastructure.
- Provide input in the development of technical policy, work instructions, and reporting in support of an enterprise IP telephony network.
- Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call-flows.
- Analyze and resolve remote site registration, signaling, and media problems.
- Validate change requests and ensure accuracy.
- Perform fault analysis and configuration of voice subscribers, call handlers and call routing rules.
- Perform fault analysis and configuration of Cisco and or Juniper routing and switching rules.
- Working knowledge of Secure Real-Time Transport Protocol (SRTP) including associated G.711 and G.729 codecs and Digital Tone Multi Frequency (DTMF).
- Experience with Cisco Unified Communications Manager and or Avaya Aura soft switches.
- Experience with Oracle SBCs and other voice media gateway appliances.
- Experience supporting distributed firewall infrastructure.
- Experience creating/supporting IPSec MPLS VPN infrastructure.
- Experience implementing and supporting BGP routing protocols.
- Experience designing, configuring and troubleshooting QoS classification, marking and prioritization of network traffic (voice, critical applications, etc.).
- Familiarity with IPSec implementation and troubleshooting.
C3EL designs and builds command centers and support systems for Department of Defense and NATO commands around the world. Its products are multi-classification command centers that integrate communications, control, and logistics capabilities into a cohesive system. The company employs engineers, technicians, logisticians, and support staff who install, operate, and sustain these centers, with senior management deployed alongside field teams to ensure quality and responsiveness. Unlike many competitors, C3EL emphasizes being a women-owned small business with extensive real-world military experience, direct on-the-ground deployment, and end-to-end support across theater and domestic operations. The company’s goal is to provide reliable, mission-ready command and control infrastructure and services that enable military decision-makers and operators to coordinate complex operations worldwide.
Company Size
11-50
Company Stage
N/A
Total Funding
N/A
Headquarters
Tampa, Florida
Founded
2012
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Simplify's Take
What believers are saying
- NASA SEWP VI expands C3EL's addressable federal technology buying pool in 2026.
- C3EL posted 39 Indeed jobs in May 2026, showing active expansion.
- Recent openings in cybersecurity, network engineering, and ServiceNow show demand across higher-value work.
What critics are saying
- C3EL depends on NASA and DoD procurement cycles, delaying revenue between task orders.
- Cleared hiring across Tampa, Hill AFB, and Washington signals contract-driven staffing concentration.
- If WOSB certification slips, C3EL loses set-aside access and could collapse quickly.
What makes Command Control Communications Engineering & Logistics (C3EL) unique
- C3EL won NASA SEWP VI Categories A and C on July 13, 2026.
- C3EL combines IT, cybersecurity, AV, engineering, and logistics for cleared federal environments.
- C3EL is a Woman-Owned Small Business, strengthening access to set-aside federal buying.
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Benefits
Flexible Work Hours
Professional Development Budget