Amentum

Unified Communications Administrator - Senior

Amentum$100K — $130K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Active Top-Secret clearance with SCI or ability to acquire it.
  • 4+ years of experience with Cisco Unified Collaboration and troubleshooting converged networks.
  • Ability to deploy and manage Cisco UC appliances independently.
  • Experience configuring Cisco routers for VoIP functionality.
  • Proficient in troubleshooting voice and video conference performance issues.

Responsibilities

  • Develop and implement unified communications solutions tailored to organizational needs.
  • Install and set up unified communications systems, integrating various communication tools.
  • Monitor and manage the performance of unified communications infrastructure.
  • Integrate systems with IT components like Active Directory and cloud services.
  • Implement security protocols to safeguard communication channels and data.
  • Provide technical support and training to end-users on communication systems.
  • Maintain documentation for unified communications systems covering configurations and procedures.

Benefits

  • 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
Full Job Description

Purpose and Impact:

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 Unified Communications Administrator - Senior 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: 40-hours of shift work; shifts vary from Days (0630 – 1500), Swings (1430 – 2300), & Mids (2230 – 0700); Sunday through Saturday

Essential Responsibilities:

The duties and responsibilities of the Unified Communications Administrator - Senior 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 4 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
  • Must be able to work a 40-hours of shift work; shifts vary from Days (0630 6 1500), Swings (1430 6 2300), & Mids (2230 6 0700); Sunday through Saturday
  • Must 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 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:

  • 4 years of relevant experience

Required Certifications:

Must possess a current Cisco Certified Network Associate (CCNA) Certification and one of the following 8140 IAT Level II or III baseline certifications:

  • Level II certs include 6 CCNA Security, GISCP, GSEC, Security+ CE, SSCP
  • Level III certs include 6 CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH

Preferred Qualifications:

  • Bachelors degree in IT related field
  • Foundational knowledge and/or experience with Unified Messaging system, audio conference bridge systems and gateways, voice circuits, and crypto technologies for voice systems

#javelin #jointhepack #unifiedcomm #ucadmin #ccna #cisco

This position is not designated as a safety sensitive position.

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.

Compensation Details:

100-130K

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:

08/05/2026 - 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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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