UC Solutions Architect - Principal (TS/SCI)

Amentum; Arlington (VA); On-site; USD 260,000 - 290,000; Full time

Benefits offered by this job

Health, dental, vision

401(k) matching

Educational reimbursement

Parental leave

Stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Principal UC Consulting Engineer to lead unified communications architecture, design, and optimization across voice, video, and data platforms. You will guide cross-functional teams, define UC strategy, and ensure secure, reliable communications for critical programs.

Responsibilities include overseeing UC design, troubleshooting, and collaboration with network and cybersecurity teams, while maintaining high standards of quality and customer satisfaction.

Qualifications

• Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI
• 12 years of relevant experience
• Proficiency with Cisco Unified Contact Center Express (UCCX) or Unified Contact Center Enterprise (UCCE), including call flow scripting, agent/queue configuration, and reporting
• Deep understanding of Cisco Unified Communications Manager (CUCM), including system architecture, call routing, dial plans, and device management
• Strong understanding of core networking concepts, including LAN/WAN design, QoS for prioritizing real-time traffic, and MPLS for reliable wide-area connectivity
• Hands-on experience with Cisco routers, switches, and firewalls, with particular attention to how these devices are configured and tuned to support voice and video traffic
• Experience configuring and troubleshooting voice gateways, SIP trunks, and ISDN circuits to enable reliable external and internal call connectivity
• Expertise in call control protocols, including SIP, SCCP, and H.323, and how they govern call setup, signaling, and media negotiation across UC environments
• Ability to translate complex technical concepts into clear, accessible language for non-technical stakeholders
• Must be able to work a 40-hour work week, normally Monday through Friday.
• Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed.
• Ability to travel (5-10%) primarily within 75 miles.
• Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio.
• Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills.
• Ability to work both independently and as part of a team in a dynamic environment.

Responsibilities

• Serve as the subject-matter expert in Unified Communications (UC) and collaboration technologies, specializing in platforms such as Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, and Cisco Webex.
• Bring deep expertise across collaboration design, edge services, endpoint and user management, configuration, troubleshooting, and system integration.
• Design, implement, and optimize UC solutions in collaboration with team members and cross-functional partners, including network engineers, security specialists, and system architects.
• Assess client needs and recommend architecture improvements to ensure seamless communication across domains.
• Design and optimize network infrastructure across security domains, addressing challenges in data flow, security policies, and interoperability.
• Partner with cross-domain network architects to align UC solutions with overall network architecture.
• Supervise UC Engineers across operations and maintenance (O&M), innovation initiatives, and special projects, providing guidance on complex UC issues.
• Advise UC Engineers, network engineers, and cybersecurity experts on voice and video communications solutions.
• Support day-to-day operations, troubleshoot issues, and maintain UC systems to deliver reliable, efficient communication services.
• Advise on projects involving UC, video conferencing, instant messaging, and presence technologies.
• Ensure communication tools are integrated seamlessly and meet security requirements.

Skills

UC/UCaaS expertise

CUCM

UCCX/UCCE

Voice/video design

Network design

SIP/SCCP/H.323

Call flows

MS Office

Team leadership

Overtime willingness

Travel 75 miles

Education

High School Diploma

Tools

CUCM

UCCX/UCCE

Cisco routers

Cisco switches

Firewalls

SIP trunks

Job description

Amentum seeks a Principal UC Consulting Engineer to lead unified communications architecture, design, and optimization across voice, video, and data platforms. You will guide cross-functional teams, define UC strategy, and ensure secure, reliable communications for critical programs.

Responsibilities include overseeing UC design, troubleshooting, and collaboration with network and cybersecurity teams, while maintaining high standards of quality and customer satisfaction.