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Information Technology
17700000209 Requisition #

Are you ready to take the next step in your career? Do you want to do meaningful work that improves quality of life? At Tetra Tech, you will work with high-performing teams who are passionate about using their expertise to find solutions to complex problems in water, environment, infrastructure, resource management, energy, and international development.


Tetra Tech is currently seeking a Senior Telecom Analyst to work in our Pasadena, CA corporate office. Candidate must have strong Avaya Aura experience, knowledgeable with emerging UC technology (Teams Phone System, Hosted PBX) and be able to work in a high paced environment supporting a global UC environment. Candidate will provide upgrade support for branch office Telecom upgrades and be knowledgeable of best practices in IT security. Analytical problem solver. Results oriented approach focused on customer experience and customer satisfaction and high-quality service delivery.


Essential Duties and Responsibilities: include, but are not limited to, the following: (additional duties may be assigned as deemed appropriate). Performs branch office Telephony upgrades for legacy phone systems (on-premise), projects include executing service moves, adds, changes, disconnects (MACDs), carrier conversions, system procurement. Telephony Support resource to monitor PBX system performance to assure dependable and uninterrupted operation of voice communications. Assists in translating customer needs into business solutions. Coordinates with other IT departments to understand and meet their requirements in support of telephony standards. Assures the correction of telephone system alarm conditions. Assists with administration of Telephony portion of IT Asset Management (ITAM) and determine which service components should be maintained in stock. Telephony Support resource works alongside Network Ops. In troubleshooting entire communications system for root cause issues. Develops plans to implement new or upgrade existing telephony systems. Develops emergency plans to deal with catastrophic events. Assists in specification/installation of new telephone system hardware. Maintains strong productive relationships with service providers.


Knowledge of Avaya’s overall product line: S87XX, Aura, and system Connection/Collaboration applications, features and services.

• Survivable remote Gateways (LSP)
• Survivable Media Gateway (G430, G450)
• Session / System manager
• SIP / Administer Session Border Controllers
• Aura Communication manager Survivable
• ESS – Avaya Enterprise Survivable remote
• Avaya Application Enablement Services (AES)
• Avaya Call Recorder (WFO)
• Officelinx Voicemail
• IP Office

Proficient using a variety of Phone systems (Cisco MCS7800/3725/ Avaya IP Office). Will also be asked to support other PBX solutions as needed.
Experienced with Active Directory, DHCP, DNS, TCP/IP, SIP and other network protocols, computer systems and PC software, Linux.
Networking: LAN/WAN Administration, VPN, TCP, DNS, TLS, H.323


Ideal Candidate will also have the following experience:

• Microsoft Teams Direct Routing
• Microsoft Phone System
• Unified Communications
• Skype for Business
• AudioCodes SBC


About Tetra Tech:

Tetra Tech is a leading provider of high-end consulting and engineering services for projects worldwide. We combine the resources of a global, multibillion dollar company with local, client-focused delivery in more than 400 locations around the world. We are Leading with Science® to provide sustainable and resilient solutions for our clients.

At Tetra Tech, we provide a collaborative environment that supports individual performance, innovation, and creativity. We are proud to offer competitive compensation and benefits. Learn more by visiting http://www.tetratech.com/en/benefits.

For more information on our company, please visit our website at www.tetratech.com. To apply, please submit your resume and cover letter on the Careers portion of our website at www.tetratech.com/careers.

We thank all applicants for their interest; however only those selected for an interview will be contacted. Tetra Tech is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. We invite resumes from all interested parties including women, minorities, veterans and persons with disabilities.

Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans for available positions.

EOE AA M/F/Vet/Disability - No calls or agencies

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