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Systems Engineer (Cisco-Voice)
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Convirgence
Dulles, VA (In Person)
Full-Time
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Job Description
Job Requirements Dulles, VA Top Secret/SCI Full Scope Polygraph Career Level not specified Salary not specified Join Premium to unlock estimated salaries Job Description Systems Engineer (Cisco-Voice) Dulles, VA
CB-SECV-DUL-002
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.
Required Education, Experience, & Skills:
- 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:
- 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) group id: 90734407 Apply now