Unified Communications Engineer - Principal

Amentum•Warrenton, VA

3d•$210,000 - $240,000

About The Position

Amentum is seeking a Principal Unified Communications Engineer to lead full-lifecycle IT infrastructure, hardware, and service transitions across a critical program. The role drives cross-functional delivery with Procurement, Change Management, Logistics, Production, Engineering, Network Architecture, and Customer Project Management teams, guiding voice, video, and data capabilities from concept through operational deployment in DISA/DoD environments. The engineer designs, installs, integrates, secures, operates, and maintains unified communications infrastructure, including voice, video conferencing, messaging, and collaboration systems. The position also evaluates customer technology initiatives and modernization requests; assesses feasibility, architectures, costs, schedules, risks, mission benefits, and alternatives; and develops technical assessments, recommendations, and briefings for customer and program leadership. The schedule is five days per week, Monday through Friday, eight hours per day (40 hours weekly). Overtime may be needed during critical periods and for last-minute requests. Travel is approximately 5–10%, primarily within 75 miles. This position is not designated as safety sensitive. Employment is contingent on successful drug screening. The role requires a high school diploma, at least 12 years of relevant experience, an active Top Secret clearance with SCI or the ability to acquire the required clearance, a current CCNA, and one qualifying 8140 IAT Level II or III baseline certification.

Requirements

Active Top Secret clearance with SCI, or the stated ability to acquire the required Top Secret/SCI clearance.
At least 12 years of telecommunications technical experience installing, administering, and upgrading Cisco Unified Collaboration appliances and troubleshooting converged networks connecting Cisco, Tandberg, and Polycom endpoints, gateways, and teleconference bridge products.
Knowledge of Cisco Unified Communications Manager, Cisco IM & Presence, Cisco Expressway, Cisco video teleconferencing systems, Cisco Session Border Controller, Cisco Meeting Server, Cisco Contact Center Express, VQ Conference Manager, Cisco Unity Connect, MS SQL databases, integrated room video teleconferencing control systems, ELK Stack, and NetScout.
Exceptional knowledge of Cisco Collaboration call flows and SIP signaling.
Knowledge of network fundamentals, including firewalls, ACLs, SNMP, dot1x authentication, and dynamic routing protocols.
Experience with ESXi virtualization, Nutanix, and Docker.
Familiarity with DISA STIGs and FIPS publications.
Ability to independently deploy and maintain server-based and router-based dial plans and deploy and manage Cisco UC appliances.
Experience configuring Cisco routers as VoIP gateways and strong understanding of Cisco IOS 12.X/15.X command syntax.
Demonstrated experience leading technical teams and mentoring engineers.
Ability to develop technical documentation, engineering designs, and executive-level presentations.
Experience making recommendations that improve customer mission effectiveness and operational efficiency.
Ability to work a 40-hour week, normally Monday through Friday, and work overtime during critical peaks or when last-minute overtime is requested.
Ability to travel 5–10%, primarily within 75 miles.
Familiarity with MS Office applications, including Excel, Word, Outlook, SharePoint, Project, and Visio.
Exceptional attention to detail; strong verbal and written communication, critical-thinking, organizational, time-management, and problem-solving skills.
Ability to work independently and as part of a team in a dynamic environment.
High school diploma.
Current Cisco Certified Network Associate (CCNA) certification.
One 8140 IAT Level II or III baseline certification. Level II examples: CCNA Security, GISCP, GSEC, Security+ CE, or SSCP. Level III examples: CASP CE, CCNP Security, CISA, CISSP or CISSP Associate, GCED, or GCIH.

Nice To Haves

Bachelor’s degree in an IT-related field.
Foundational knowledge or experience with unified messaging systems, audio conference bridge systems and gateways, voice circuits, and voice-system crypto technologies.
Cisco Certified Network Professional (CCNP) certification.

Responsibilities

Develop unified communications solutions tailored to organizational needs, with a focus on scalability, security, and performance.
Install and configure unified communications systems, including VoIP, video conferencing, instant messaging, and collaboration platforms.
Monitor system performance and stability; identify and resolve issues; perform maintenance, updates, and security patches.
Integrate communications systems with network infrastructure, Active Directory, cloud services, and other IT components.
Implement security protocols and comply with applicable security standards and regulations.
Provide end-user technical support, troubleshoot communication issues, and deliver training as needed.
Create and maintain documentation covering configurations, procedures, and best practices.
Coordinate with vendors and suppliers to acquire hardware, software, and services and manage delivery and quality.
Develop and maintain disaster recovery plans and procedures.
Evaluate customer-submitted technology initiatives, enhancement requests, and modernization requirements.
Conduct feasibility assessments for proposed projects and capability enhancements.
Analyze architectures, operational constraints, dependencies, cybersecurity implications, and infrastructure impacts.
Develop engineering solution options and conduct trade studies to identify optimal approaches.
Estimate hardware, software, licensing, infrastructure, labor, and lifecycle support costs; prepare ROM estimates, budget projections, and implementation timelines.
Identify technical, operational, programmatic, and cybersecurity risks; assess mission benefits, operational impacts, return on investment, and performance improvements.
Prepare technical white papers, engineering assessments, briefing materials, and executive recommendations.
Present findings and recommendations to customer leadership, technical review boards, and program management offices.
Participate in architecture review boards, configuration control boards, and technical review meetings.
Support enterprise strategic technology planning and modernization efforts.
Lead technical teams and mentor engineers.
Follow applicable safety, quality, operational, environmental, and procedure requirements.