Cisco Voice Engineers (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-DDUNN Required 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. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.


Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.