Job Description

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 Senior Unified Communications Engineer 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/wklyEssential Responsibilities: The duties and responsibilities of the Senior Unified Communications Engineer include, but are not limited to the following:Develop and implement comprehensive unified communications solutions tailored to the specific needs of the organization, focusing on scalability, security, and optimal performance to ensure long-term effectiveness and adaptability to evolving business requirements Install and set up unified communications systems, encompassing VoIP, video conferencing, instant messaging, and collaborative platforms, to ensure seamless integration and efficient functionality across the organization Monitor and manage the performance and stability of unified communications infrastructure, proactively identifying and resolving issues, while conducting routine maintenance, updates, and security patches to maintain continuous, optimal operation Integrate unified communications systems with other IT components, including network infrastructure, Active Directory, and cloud services, to create a cohesive and efficient technological environment that supports seamless communication and collaboration Implement security protocols to safeguard communication channels, data, and endpoints, while adhering to security standards and regulations to maintain a secure and compliant environment Offer technical support to end-users, troubleshoot and resolve communication-related issues, and provide training as needed to enhance user proficiency and system effectiveness Develop and update comprehensive documentation for unified communications systems, covering configurations, procedures, and best practices to ensure clear guidance and consistency in system management and troubleshooting Work closely with vendors and suppliers to acquire hardware, software, and services, while managing vendor relationships to maintain timely delivery, quality, and alignment with organizational needs Create and uphold disaster recovery plans and procedures to maintain business continuity in the event of system failures Minimum Requirements (Knowledge, Skills, and Abilities):Must have active Top-Secret clearance with SCI or the ability to acquire Top Secret/SCI    At least 8 years of telecommunications technical experience installing, administering, and upgrading Cisco Unified Collaboration appliances and troubleshooting converged networks that leverage Cisco UC capabilities to interconnect 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, and Cisco Session Border ControllerExceptional knowledge in Cisco Collaboration Call flow and SIP signalingKnowledge of network fundamentals such as firewalls, ACLs, simple network monitoring protocol, and dot1x authenticationExperience with ESXi VirtualizationFamiliarity with Department of Defense (specifically Defense Information Security Agency) STIGsMust have the ability to independently deploy and maintain server-based dial plans, router-based dial plans, and the deployment and management of Cisco UC appliances Experience configuring Cisco routers to act as VoIP gateways and demonstrate a strong understanding of Cisco IOS 12.X/15.X command syntax Must be able to troubleshoot end-to-end performance issues associated with voice and video conferences involving IP and ISDN networks. 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 environmentSecurity Clearance Required: Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCIMinimum Education:High School DiplomaMinimum Years of Experience:8 years of relevant experienceRequired Certifications:Must possess or be able to obtain a Cisco Certified Network Associate (CCNA) Certification and one of the following 8140 IAT Level II or III baseline certifications before start date:Level II certs include – CCNA Security, GISCP, GSEC, Security+ CE, SSCPLevel III certs include – CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIHPreferred Qualifications:Bachelor’s degree in IT related fieldFoundational knowledge and/or experience with Unified Messaging system, audio conference bridge systems and gateways, voice circuits, and crypto technologies for voice systemsCisco Certified Network Professional (CCNP) CertificationOther 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.#javelinSummaryLocation: US-TX-San AntonioType: Full timeRemote: On-sitePosted: 2026-06-09Country: United States of AmericaRequisition: R0163017Posting ID: 9ae94e7fc27b1000fda4582ee20a0000

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