Systems Engineer (Cisco Voice) -Expert

Cherokee Preting (Preting) is part of Cherokee Federal – the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a trusted partner for more than 60 federal clients, Cherokee Federal is focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart.

Responsibilities

• Work onsite to support security engineering and accreditation tasks.
• Work with Cisco Gateways and understand Cisco VoIP technology.
• 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.
• Bridge complex technical implementation concepts into clear, security-compliant language for documentation and briefings.
• Performs other job-related duties as assigned.

Requirements

• 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:
  • 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.
  • 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.
  • 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).
• Must pass pre-employment qualifications of Cherokee Federal.
• Proficiency 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.
  • CCNP Collaboration.
  • CCIE Collaboration (highly desirable).

Benefits

• Medical, Dental, Vision.
• 401K.
• Other possible benefits as provided.

Pay

Estimated Starting Salary Range for Systems Engineer Expert (Cisco Voice): $175,000 to $190,000. Pay commensurate with experience.