Senior Unified Communications Engineer — Cisco UC & Video

Amentum; Warrenton (VA); On-site; USD 175,000 - 215,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Job summary

Amentum is seeking a Senior Unified Communications Engineer to lead the design, deployment, and optimization of enterprise UC solutions. The role focuses on Cisco UC technologies, video conferencing, and secure communication systems, ensuring scalability, performance, and compliance.

You will work within a security-conscious environment, supporting end users and integrating UC with broader IT infrastructure.

Qualifications

• Active Top-Secret clearance with SCI or ability to obtain SCI.
• At least 8 years of telecom experience with Cisco UC appliances and converged networks.
• Knowledge of Cisco UC components (CUCM, IM&P, Expressway, VTC, SBC).
• Expertise in Cisco Call flow and SIP signaling.
• Network fundamentals including firewalls, ACLs, monitoring protocols, 802.1x.
• Experience with ESXi virtualization and DoD STIGs.
• Ability to deploy and maintain server-based and router-based dial plans for Cisco UC appliances.
• Experience configuring Cisco routers for VoIP gateways and Cisco IOS knowledge.
• Troubleshoot end-to-end voice/video performance across IP/ISDN networks and support end users.

Responsibilities

• Develop and implement scalable unified communications solutions.
• Install and configure UC systems for seamless integration across the organization.
• Monitor and maintain UC infrastructure; apply updates and security patches.
• Integrate UC with network, AD, and cloud services for unified operations.
• Implement security protocols to protect channels, data and endpoints.
• Provide user support and training to improve system proficiency.
• Create and maintain documentation for UC configurations and procedures.
• Coordinate with vendors for hardware/software acquisition; manage relationships.
• Develop disaster recovery plans to ensure business continuity.

Skills

Top-Secret clearance

Cisco UC expertise

SIP signaling

Network fundamentals

ESXi virtualization

DoD STIGs

Dial plan deployment

Cisco routers config

Troubleshooting

MS Office familiarity

Education

High School Diploma

Tools

Cisco Unified Communications Manager

Cisco IM&P

Cisco Expressway

Cisco Video Teleconferencing Systems

Cisco Session Border Controller

Job description

Amentum is seeking a Senior Unified Communications Engineer to lead the design, deployment, and optimization of enterprise UC solutions. The role focuses on Cisco UC technologies, video conferencing, and secure communication systems, ensuring scalability, performance, and compliance.

You will work within a security-conscious environment, supporting end users and integrating UC with broader IT infrastructure.