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In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a UC Consulting Engineer - Principal to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You must be a critical thinker, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes.
Work Schedule:

• 5 Days (Mon - Fri); 8 hrs/Day; 40 hrs/wkly

Essential Responsibilities:
The duties and responsibilities of the UC Consulting Engineer - Principal include, but are not limited to the following:

• 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.

Minimum Requirements (Knowledge, Skills, and Abilities):

• 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, Quality of Service (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, supporting informed decision-making and cross-team collaboration
• 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.

Security Clearance Required:
Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI
Minimum Education:
High School Diploma
Minimum Years of Experience:
12 years of relevant experience
Required Certifications:
Must possess or be able to obtain a Cisco Certified Internet Expert (CCIE) Collaboration Certificate and a one of the following 8140 IAT Level II or III baseline certifications before start date:

• Level II certs include - CCNA Security, CySA+, CND, Security+ CE
• Level III certs include - CASP CE, CCNP Security, CISA, CISSP (or Associate)

Preferred Qualifications:

• Master's degree in IT related field (or better)
• Networking IT experience with on-premises environments
• Familiarity with ServiceNow
• ITIL 4 Foundation/Master

Other Responsibilities:
Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.
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Compensation Details:
$260,000 - $290,000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
08/24/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.