Senior Network Engineer (United Communications)

Peraton; Washington (District of Columbia); On-site; USD 100,000 - 130,000; Full time

Job summary

Peraton is seeking a self-driven and resourceful Senior Network Engineer to join our dynamic team in Washington, DC. You will be responsible for the design, implementation, optimization, and troubleshooting of enterprise voice, video, and collaboration platforms.

The ideal candidate will have deep expertise in Cisco Unified Communications environments, ensure Quality of Service (QoS) standards are upheld, and support secure, highly available communication systems.

Qualifications

• Active/current TS/SCI Security Clearance required.
• 12 years relevant experience with a Bachelor's or 10 years with a Master's degree.
• CCNP Collaboration or CCNP Enterprise certification.

Responsibilities

• Design, implement, and troubleshoot enterprise unified communications environments.
• Administer and support collaboration platforms.
• Ensure QoS policies are optimized for voice and video traffic.

Skills

Cisco Unified Communications Manager (CUCM)

Cisco Collaboration Solutions

Analytical skills

Organizational skills

Communication skills

Education

Bachelors degree in engineering (or similar technical field)

Masters degree (preferred)

Tools

Cisco Expressway Control

Session Border Controllers (SBCs)

Job description

Required Qualifications:

• An active/current TS/SCI Security Clearance is required.
• Bachelors degree in engineering (or similar technical field) and twelve years relevant experience; Masters degree and ten years of relevant experience. 16 years of relevant experience in the above-cited duties may be substituted in lieu of a completed higher education degree.
• CCNP Collaboration or CCNP Enterprise.
• DoD 8140/8570 IAT Level II.
• Strong hands‑on experience with Cisco Unified Communications Manager (CUCM), WebEx, and Teams.
• Ability to work independently and collaboratively in mission‑critical operational environments.
• Strong analytical, organizational, and communication skills.

Desired Qualifications:

• Cisco Unified Communications specializations (CUCM, Unity Connection, etc).
• ITIL 4 Foundation.
• CCNP Security.
• Experience supporting the latest Cisco CUCM releases.
• Experience with Cisco Expressway Control and Expressway Edge deployments.
• Familiarity with hybrid collaboration and cloud‑based UC integrations.
• Experience operating within enterprise or government environments requiring high availability and secure communications.
• Knowledge of enterprise monitoring and performance management tools.

Program Overview

Peraton provides a secure, worldwide, high‑performance communications network comprised of real‑time interactive applications operating over a dedicated IP backbone with secure services for complex national and worldwide executive‑level communications. Peraton provides the O&M of the network infrastructure and its components, integration for development of hardware and software solutions, and task support for the delivery of system, network, software, and security solutions.

About The Role

Peraton is seeking a self‑driven and resourceful Senior Network Engineer to join our dynamic of Network and UC engineers in Washington, DC. This position serves as a Subject Matter Expert (SME) responsible for the design, implementation, optimization, and troubleshooting of enterprise voice, video, and collaboration platforms.

The ideal candidate will possess deep expertise in Cisco Unified Communications environments and extensive experience supporting secure, highly available enterprise communication systems. The engineer will ensure Quality of Service (QoS) standards are maintained for latency‑sensitive traffic and will support both operational sustainment and strategic modernization initiatives.

Senior Network Engineer responsibilities:

• Design, implement, maintain, and troubleshoot enterprise unified communications environments.
• Administer and support collaboration platforms.
• Configure and support Session Border Controllers (SBCs), SIP trunks, voice gateways, and telephony integrations.
• Ensure Quality of Service (QoS) policies are properly implemented and optimized for voice and video traffic.
• Monitor system health, performance, and capacity to ensure high availability and operational reliability.
• Troubleshoot complex voice, video, signaling, and network interoperability issues.
• Support secure communications architectures and compliance with enterprise security requirements.
• Develop and maintain technical documentation, network diagrams, operational procedures, and configuration baselines.
• Coordinate with network operations, cybersecurity, engineering, and support teams during outages, maintenance activities, and modernization efforts.
• Provide technical leadership and mentorship to junior engineers and support personnel.