ISYS Solutions, Inc. · 2 days ago
Enterprise Voice Engineer III
US-HI
Full-time
Onsite
Mid, Senior Level
4+ years expISYS Solutions, Inc. is a technology services company focused on supporting the Federal Government. They are seeking an Enterprise Voice Engineer III to maintain and support a complex IP voice and video communications infrastructure, ensuring service reliability and managing configurations.
AssociationCommunitiesMedical
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Develop 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
Qualification
Required
Requires BS and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience
Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement
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
Currently possess an active Secret security clearance
US Citizenship is required
Preferred
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
Company
ISYS Solutions, Inc.
ISYS provides “Best in Class” medical case management to the worker’s compensation industry's claims professionals.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Alysha Loumakis-Calderon, B
President & CEO
Chris Loumakis
Founder & Chairman
Recent News
Washington Technology
2025-03-18
2022-07-04
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