Systems Engineer (Cisco Voice) -Expert

Cherokee Federal; Sterling (VA); On-site; USD 175,000 - 190,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401K

Job summary

Cherokee Federal is seeking an experienced Cisco Voice Engineer to design, deploy, and secure enterprise Cisco UC solutions for a government program. This role emphasizes secure, scalable voice systems across a high-assurity environment, with a focus on design, documentation, and acceleration of accreditation tasks.

Requirements include US Citizenship, active TS/SCI with polygraph, 11+ years in Voice/UC engineering, and CCIE Collaboration or equivalent.

Qualifications

• US Citizenship and active TS/SCI with Counterintelligence Polygraph clearance required.
• Minimum of eleven (11) years of Voice/UC engineering experience.
• Strong expertise in SIP signaling, call flows, interoperability, and H.323.
• Experience designing or supporting Cisco Voice/UC solutions in secure environments.

Responsibilities

• Design, test, and deploy Cisco Voice infrastructure (CUCM, Unity Connection, IM&P, UCCX).
• Support security accreditation activities for voice systems and PKI requirements.
• Perform system upgrades, patching, and lifecycle maintenance for hardware/software.
• Implement next-gen voice tech and support site standups including dial plan design.
• Configure SIP trunking, SRST, CUBE, and gateway settings; ensure secure communications.
• Collaborate with customers and internal teams to refine system requirements.

Skills

SIP signaling

Call routing

VoIP infrastructure

Security accreditation

Education

Bachelor/Master degree

Tools

CUCM

Unity Connection

IM&P

UCCX

CUBE

SRST

PKI management

Job description

As required by our governmental client, this position requires being a US Citizen AND an active TS/SCI with Counterintelligence Polygraph clearance.

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. The System Engineer – Expert provides critical support in designing, documenting, and managing secure IT systems and infrastructure.

Estimated Starting Salary Range for Systems Engineer Expert (Cisco Voice): $175,000 to $190,000

Pay commensurate with experience.

• Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided.

Benefits are subject to change with or without notice.

• Work onsite to support security engineering and accreditation tasks.
• Work with Cisco Gateways and understand Cisco VolP 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
• 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:
• 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:
• 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
• SIP signaling and call flows
• Secure Real Time Transport Protocol (SRTP)
• SIP, MGCP, H.323
• TCP/IP networking
• DNS and DHCP
• CCIE Collaboration (highly desirable)

Company Information

Cherokee Preting (Preting) is a 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 LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart. To learn more about Preting, visit cherokee-federal.com.

Cherokee Federal is a military friendly employer. Veterans and active military transitioning to civilian status are encouraged to apply.

Legal Disclaimer

All qualified applicants will receive consideration for employment without regard to protected veteran status, disability or any other status protected under applicable federal, state or local law. Many of our job openings require access to government buildings or military installations. Candidates must pass pre-employment qualifications of Cherokee Federal.

Many of our job openings require access to government buildings or military installations. Candidates must pass pre-employment qualifications of Cherokee Federal.