Your Impact:

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Top Secret cleared, technically experienced and solutions-driven MS Teams Voice Engineer (Senior) to join our team of passionate individuals in Washington, DC. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission.

You will lead the deployment, configuration, and lifecycle management of Microsoft Teams Voice solutions in a secure, enterprise environment spanning over 800 sites. This role involves hands-on technical work, solution development, and ongoing optimization of Microsoft Teams Phone System, Direct Routing, Operator Connect, and Session Border Controllers (SBCs). The ideal candidate is comfortable managing complex telephony environments, supporting integration with enterprise workflows, and ensuring compliance with federal cybersecurity standards. This is an on-site role in Washington, D.C. with up to 25% travel.

Responsibilities:

• Enterprise Deployment: Lead implementation and support of Microsoft Teams Voice services across 800+ locations, including dial plan design, SBC configuration, and integration with Operator Connect and Direct Routing.

• Voice System Optimization: Configure and maintain advanced Teams Voice features such as e911, call queues, auto-attendants, voicemail, and number management.

• Infrastructure Monitoring & Maintenance: Conduct infrastructure health checks and apply software, firmware, and security updates to telephony systems and components.

• Testing & Lab Support: Manage development/test lab environments to validate VoIP devices and Analog Telephone Adapters (ATAs).

• Workflow & System Integration: Integrate Teams telephony with enterprise systems, service desks, and ITSM workflows to support business continuity.

• Security Compliance: Apply and maintain STIGs, manage vulnerability scanning and remediation, and ensure PKI and certificate validity.

• Monitoring & Reporting: Use monitoring tools and dashboards to track uptime, performance, and usage trends; generate reports for stakeholders.

• Incident Response & Tier 3 Support: Serve as the escalation point for complex telephony issues, working collaboratively across IT, security, and operations teams.

• Mentorship & Knowledge Sharing: Support junior engineers and staff through documentation, peer reviews, and technical guidance.

Requirements:

• Active Top Secret clearance with willingness to obtain SCI access and pass a poly ability to obtain access to SCI (poly will be required)

• U.S. Citizenship (no dual citizenship)

• Possess a valid U.S. driver’s license

• Pass a criminal background check

• Minimum of 10 years’ experience in enterprise telephony or unified communications, with direct experience supporting Microsoft Teams Phone System

• Work onsite 5/days week in Washington D.C. with up to 25% travel

• Proficient in PowerShell scripting, Microsoft Teams Admin Center, and Microsoft 365 Admin Center.

• Excellent troubleshooting skills and strong attention to detail.

• Strong communication skills with both technical and non-technical stakeholders.

• Hands-on expertise with Microsoft Teams Voice technologies: Direct Routing, Operator Connect, Session Border Controllers (SBCs), SIP/VoIP routing and dial plan design.

• Education: Bachelor's Degree in Information Systems, Computer Science, Business Systems, or related IT Management or equivalent combination of education, training, and work experience

Clearance Required:

• Active Top Secret clearance with willingness to obtain SCI access and pass a polygraph ability to obtain access to SCI (poly will be required)

Minimum Education:

• Education: Bachelor's Degree in Information Systems, Computer Science, Business Systems, or related IT Management or equivalent combination of education, training, and work experience

Minimum Years of Experience:

• Minimum of 10 years experience in enterprise telephony or unified communications, with direct experience supporting Microsoft Teams Phone System

Preferred:

• Experience migrating from legacy PBX to Microsoft Teams Voice.

• Familiarity with government cybersecurity compliance frameworks (e.g., STIGs, FISMA, NIST).

• Experience with integrating Teams Voice with third-party systems or services.

• Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate (or equivalent)

#javelin

Pay Transparency Verbiage

Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees are able to enroll in our company’s 401k plan, and, if eligible, a deferred compensation plan and Executive Deferral Plan. Employees will also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants will be able to purchase company stock and have the opportunity to receive a performance discretionary bonus.

The base salary range for this position is $101k to $107k. This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.