Enterprise Voice Engineer II

The Defense Information Systems Agency (DISA) is a vital component of the United States Department of Defense (DoD), dedicated to providing, operating, and assuring command and control of the Defense Information System Network (DISN) services. DISA's mission centers around delivering secure, reliable, and comprehensive communication infrastructure to DoD and national security organizations, enabling critical defense and security operations. As a linchpin in defense communications, DISA manages advanced information technology and communication services that support warfighters, defense agencies, and civilian leadership with high availability and security, ensuring seamless command and control capabilities for strategic and tactical missions worldwide.

Leidos, a prominent global leader in defense, aviation, information technology, and biomedical research, partners with DISA through the Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract to provide technological advancements and operational support. Leidos’s focus on innovation, efficiency, and mission success underpins its role in enhancing the capabilities of national defense communications.

The position of Enterprise Voice Engineer, located at Ford Island, HI, offers a crucial role in sustaining, maintaining, and managing DISA’s voice communication services within this high-security environment. This role demands deep technical expertise in enterprise voice systems, including IP voice and video communications infrastructure. The engineer will be responsible for performing extensive engineering tasks on complex, large-scale, and highly resilient IP voice networks to assure uninterrupted and secure communication services.

The Enterprise Voice Engineer will manage, configure, troubleshoot, and assure service availability for voice, video, and data network services. They will carry out system maintenance, support capacity planning, document configurations, and execute change management processes to ensure system integrity and operational readiness. Proficiency in Cisco and Juniper routing and switching devices is essential, along with expertise in security practices such as supporting distributed firewall infrastructures.

Technical responsibilities extend to configuring detailed voice network components such as calling search spaces, route plans, route partitions, route lists, and device profiles. The engineer will analyze and resolve complex problems related to SIP signaling, call flows, remote site registration, and media issues, maintaining high service availability and performance. Input into technical policy development, work instructions, and enterprise IP telephony reporting is also expected, reflecting the strategic importance of this role in shaping the security and functionality of defense communications.

Applicants must hold requisite certifications such as DoD 8750 at IAT level II, Security+ CE, or equivalent, alongside an active Secret security clearance. Experience with Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC), and Avaya Aura Application Server is strongly required. This expertise must be complemented by demonstrated skills in fault analysis for complex network and voice system issues.

Preferred qualifications include knowledge of Secure Real-Time Transport Protocol (SRTP), familiarity with voice codecs (G.711 and G.729), experience with soft switches like Cisco Unified Communications Manager and Avaya Aura, and capabilities in supporting security infrastructure including IPSec MPLS VPN and BGP routing protocols. Familiarity with Quality of Service (QoS) practices and IPSec troubleshooting will further enhance an applicant’s suitability.

Educational prerequisites include a Bachelor’s degree with 2-4 years of relevant experience or a Master’s degree with less than 2 years of prior experience, underscoring the technical and analytical proficiency required for this role. The position offers a competitive pay range of $59,150 to $106,925, reflective of the vital responsibilities and expertise demanded.

At Leidos, the culture fosters innovation, forward-thinking, and a commitment to mission success, inviting professionals who are disruptors, innovators, and resilient problem solvers to join their team. This role is not merely a job but a critical part of the strategic defense infrastructure, demanding excellence, precision, and dedication to maintaining the nation’s defense communications at the highest standard.