Voice Engineer; Expert

Position: Voice Engineer (Expert)
Job Description

BAE Systems, a top‑ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration, and sustainment support for critical military platforms and systems. Our Intelligence & Security sector delivers advanced services and products to the Department of Defense, federal agencies, law enforcement, and deployed forces around the world.

At BAE Systems, we foster a strong, collaborative culture and equip our employees with the tools, training, and support they need to excel. Trust, camaraderie, and a shared ambition to lead in defense technologies define who we are. We offer a flexible work environment that helps you balance life and perform at your best. Join a company deeply connected to its community-driven to improve our future and protect our freedom.

We are seeking an experienced Cisco Voice Engineer to support a mission‑critical, technology‑driven program for a key Government customer. This role focuses on designing, deploying, securing, and sustaining enterprise‑level Cisco Unified Communications solutions across a complex, highly secure environment.

Key responsibilities:

* Design, test, and deploy new Cisco Voice infrastructure (CUCM, Unity Connection, IM&P, UCCX).

* Implement next‑generation voice system technologies and support first‑article engineering.

* Participate in security accreditation activities for all voice systems.

* Manage PKI/certificate requirements across Cisco UC components.

* Perform system upgrades, patching, and lifecycle maintenance for hardware and software.

* Provide engineering support for new site standups, including dial plan design and endpoint provisioning.

* Design, test, and deploy call center technologies (UCCX/UCCE), including user training and transition planning.

* Execute tasks related to call routing, SIP trunking, SRST, CUBE, and gateway configuration.

* Collaborate with customers and internal teams to gather and refine system requirements.

* Ensure compliance with enterprise standards, policies, and security procedures.

* Work within a large‑scale enterprise IT environment with responsibilities specific to Cisco Voice and Unified Communications.

* Partner with network engineering and telecom teams on integration activities involving telephony, call center systems, and network infrastructure.

* Support secure communications devices and infrastructure, including VoIP phones, STEs, Viper phones, encryption devices, POTs/ISDN/leased lines, conference bridges, and call management servers.

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#LI-DDUNNRequired Education, Experience, & Skills

Required

Education & Experience:

* Bachelor's or Master's degree in Computer Science, IT, Engineering, or related field

* Minimum of eleven (11) years of relevant Voice/UC engineering experience

* Strong technical expertise in:

* SIP signaling and call flows

* Secure Real‑Time Transport Protocol (SRTP)

* SIP, MGCP, H.323

* TCP/IP networking

* MPLS transport environments

* DNS and DHCP

* RTP media handling

* Experience supporting secure, enterprise‑scale voice environments

* Ability to troubleshoot complex call routing, signaling, and interoperability issues

* Strong communication skills for documentation, requirements analysis, and customer interaction

Preferred Education, Experience, & Skills

Preferred Education, Experience, &

Skills:

* Advanced expertise in SIP signaling, call flows, and multi‑vendor integration

* Experience with H.323 in mixed‑protocol environments

* Cisco Certified Collaboration Professional (CCCP) or equivalent Cisco Collaboration certifications:

* CCNP Collaboration

* CCIE Collaboration (highly desirable)

* Avaya Communications Certification or experience supporting Avaya platforms in hybrid Cisco/Avaya environments

* Experience with secure communications devices (VoIP endpoints, STEs, Viper phones, encryption devices)

* Familiarity with government security accreditation processes and PKI/certificate management

* Experience designing or supporting call center technologies (Cisco UCCX/UCCE or Avaya equivalent)

Pay Information

Full-Time Salary Range: $146670 - $249330

Please note:

This range is based on our market pay structures.…