Enterprise Voice Engineer II

Leidos Inc; Shiloh (IL); On-site; USD 80,000 - 90,000; Full time

Job summary

Leidos Inc. at Scott AFB, IL seeks an Enterprise Voice Engineer to sustain, maintain, and manage changes for the DISA voice services. A U.S. citizenship and active TS/SCI clearance are required. Expect an anticipated salary range of $80,000 to $90,000.

Responsibilities include configuring Cisco/Juniper routing and switching, SIP signaling, fault analysis, and enterprise IP telephony optimization to ensure secure, reliable communications across DISA networks.

Qualifications

• DoD 8750 IAT II or equivalent certification.
• Experience with one or more voice platforms (Cisco, Avaya, Oracle).
• Expertise in SIP signaling and call flow.
• Active TS/SCI clearance required at hire.

Responsibilities

• Maintain a large, complex IP voice/video network infrastructure.
• Configure and troubleshoot voice, video, and data services.
• Document changes, perform capacity planning, and fault analysis.
• Configure routing, device profiles, and security policies.

Skills

Cisco CUCM

Cisco Unity

Cisco CUBE

Oracle SBC

Avaya Aura

SIP signaling

Call routing

Security+

TS/SCI clearance

IAT level II certification

Education

BS degree or higher

2-4 years experience / equivalent

Master’s degree (optional)

Tools

CUCM

Unity

CUBE

Oracle SBC

Avaya Aura

Job description

Description

Our customer, the Defense Information Systems Agency (DISA), provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the Department of Defense (DoD) and national security organizations. This position directly supports the DISA‑provided capabilities and services.

Role

Enterprise Voice Engineer – Scott AFB, IL.
Perform sustainment, maintenance, Problem and Change management services to ensure secure, reliable, and uninterrupted availability of DISA Voice Services. Requires U.S. citizenship and an active TS/SCI clearance at the time of hire. Anticipated salary range $80,000 to $90,000.

Primary 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.
• 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.

Basic Qualifications

• 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 TS/SCI security clearance.

Preferred Qualifications

• 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.

Required Education and Experience

• Requires a BS degree and 2‑4 years of prior relevant experience or a Master’s degree with less than 2 years of prior relevant experience (or equivalent combination of education and/or experience).

Pay and Benefits

Pay and benefits are fundamental to any career decision. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non‑Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.