Senior Telephony Engineer – Avaya

4 days ago

Manila, National Capital Region, Philippines ESOL IT SERVICES INC. Full time $90,000 - $180,000 per year
Duties & Responsibilities
Core Responsibilities
  • Develop and implement configurations for customer telephony environments based on discovery findings and evolving requirements. This includes Avaya Aura System Manager, Session Manager, Communication Manager, Voicemail, Media Servers, and IM & Presence (AMM/Breeze).
  • Maintain strong focus on both foundational and emerging on-premise and cloud communications technologies, including SIP voice services and infrastructure.
  • Serve as a key member of the project delivery team, implementing Avaya Aura application servers and supporting integrations with adjunct systems (IVR, CMS reporting, Call Recording, SIP PSTN services, etc.).
  • Perform discovery assessments of customer telephony environments to support configuration, design, and requirements gathering.
  • Conduct end-user and administrator training as needed.
Technical Engagement & Customer Interaction
  • Lead technical sessions with customers to gather data, explain system requirements, and guide configuration activities.
  • Communicate Avaya Aura network requirements, including DHCP scope options, QoS, system certificates, and SIP infrastructure considerations.
  • Manage system certification processes end-to-end: generating CSRs, installing certificates, and validating certificate chains across the Aura stack.
System Deployment & Configuration
  • Lead deployments of virtualized and physical Avaya Aura servers, including OVA deployment and capacity/resource planning.
  • Implement telephony features such as E.164 dial plans, shortcut dialing, SIP remote worker functionality, and call routing.
  • Apply Avaya service packs and patches per vendor documentation.
  • Perform integration programming across Avaya Aura application servers and with non-Avaya systems.
  • Validate and troubleshoot end-to-end connectivity using system tools and Avaya knowledge base resources.
  • Manage system licensing using Avaya PLDS and complete Avaya Aura registration via Avaya GRT.
  • Develop and execute Acceptance Test Plans for customer environments.
  • Ensure project delivery processes meet organizational standards, policies, and SOW obligations.
  • Provide coaching and mentoring to junior engineers.
  • Participate in building internal best practices, templates, tools, and operational processes.
  • Maintain active professional development to stay current on emerging technologies.
Education Requirements & Technical Experience
Core Technical Experience
  • Hands-on experience with Avaya G450/G350/G430 gateways, G650 PN, EGW, and Communication Manager (6.x–10.x).
  • Strong knowledge of Avaya core applications: Communication Manager, Session Manager, System Manager, Gateways, LSP/ESS, and networking concepts.
  • Experience with Avaya server technologies (System Platform, AVP, Linux, ESXi) including Linux-based troubleshooting.
  • Proficiency with trunk monitoring: ARS tables, route patterns, VDNs, vectors.
  • Strong experience with dial plans, call handlers, auto-attendants, and attendant console operations.
  • Experience with bulk configuration tools.
  • Working knowledge of QoS (preferred).
Contact Center & Client Applications

  • Experience with:

  • Communication Manager call center functionality (agents, skills, vector flows)

  • Equinox client deployment (iOS, Android, Windows, WebRTC)
  • Remote worker deployment and troubleshooting across ASBCE–CM paths
  • Experience with UCaaS and on-premise deployments
  • Desktop deployment and troubleshooting
  • Equinox Attendant and Equinox Conferencing (preferred)
Messaging, Presence, & Applications
  • Experience with Modular Messaging, Aura Messaging, ESNA OfficeLinx, Avaya IX Messaging (deployment & troubleshooting).
  • Breeze and Breeze Plugin deployments (preferred).
  • Presence and AADS/Utility Server deployments (preferred).
Systems, Networking & Infrastructure

  • Experience with:

  • 46xx settings configuration

  • Station firmware upgrades
  • Reverse proxy and firewall integrations
  • SIP, H.323, MGCP, SIP trunking (required)
  • Session Manager deployments and troubleshooting (required)
  • System upgrades and system flattening
  • Avaya SBC deployments (remote worker & SIP trunking)
  • Virtualization (preferred): ESXi, AVP, System Platform migrations.
  • Strong understanding of DHCP scopes, DNS, split-horizon DNS (required).
  • AES implementation, upgrades, and troubleshooting (preferred), including TSAPI, CVLAN, DMCC.
Tools & Remote Access
  • Experience with various remote access tools: VPN, Nectar, web-based administrative tools.
  • Strong internal/external team collaboration skills.
Job Requirements & Background
  • Bachelor's degree in a technology-related field required; Master's degree preferred. (Equivalent work experience considered.)
  • 8+ years implementing and supporting complex Avaya Aura environments.
  • 4–7 years delivering complex telephony projects.
  • 5+ years working with business stakeholders in a cross-functional environment.
  • 5+ years of requirements gathering and documentation experience.
  • 1+ year deploying Avaya Equinox conferencing.
  • 2+ years deploying Avaya Equinox soft clients.

  • Advanced/expert knowledge of:

  • System/Session Manager

  • Communication Manager
  • Messaging Solutions
  • Session Border Controller
  • AES
  • Media Servers/Gateways
  • AADS
  • 96xx terminals & Equinox Clients
Additional Preferred Experience
  • Multi-media messaging, Breeze Plug-ins
  • Telecom: VoIP, IVR, contact centers, automated dialers, reporting
  • Multi-platform environments: Windows, Unix, Linux, Solaris
  • Cloud technologies: AWS, Azure, Oracle
  • Development/application rollout projects
  • Avaya/Cisco networking, security, cloud certifications
Technical Certifications
  • ACIS – Avaya Certified Integration Specialist
  • ACSS – Avaya Certified Solution Specialist
  • Avaya Aura certifications (desirable)
  • VMware certifications (preferred)
Software Skills
  • Intermediate proficiency with MS Project, Word, Excel, Visio, PowerPoint, SharePoint
  • Experience presenting to stakeholders and senior leadership
Soft Skills
  • Self-motivated with strong leadership, communication, and facilitation abilities.
  • Excellent attention to detail; able to manage shifting priorities and meet deadlines.
  • Strong analytical, creative problem-solving, and teamwork skills.
  • Exceptional customer service orientation across all organizational levels.
Physical Requirements
  • Ability to sit up to 80% of the time.
  • Ability to lift/carry up to 10 lbs.
  • Frequent use of computer, phone, and office equipment.
  • Occasional travel for customer training or installation work.

  • Avaya IP Telephony

    1 week ago

    Manila, National Capital Region, Philippines ARTECH TECHNOLOGY INC Full time ₱2,000,000 - ₱3,000,000 per year

    Job Title: Avaya Telephony EngineerWork Arrangement: Hybrid (onsite 3 days weekly)Location: Mandaluyong CityPosition Type: Contract Shift Schedule: Mid ShiftRole OverviewWe are seeking an Avaya Telephony Engineer who will support and optimize our voice infrastructure. The role involves designing, updating, and maintaining call platform components while...

  • IP Telephony

    1 week ago

    Manila, National Capital Region, Philippines ARTECH TECHNOLOGY INC Full time ₱900,000 - ₱1,200,000 per year

    About the role We are seeking an experienced IP Telephony (Hybrid) professional to join our dynamic ARTECH TECHNOLOGY INC' team. This contract role is based in Metro Manila and will involve providing expert-level support and maintenance for our state-of-the-art voice and collaboration systems.What you'll be doingConfiguring, deploying, and troubleshooting...

  • Telephony Engineer

    1 week ago

    Manila, National Capital Region, Philippines ARTECH TECHNOLOGY INC Full time ₱50,000 - ₱100,000 per year

    Job Title: Application Developer (Enterprise IP Telephony)Location: Robinsons Cybergate Tower 2, ManilaWork Setup: Hybrid – 2x RTO per weekEmployment Type: ContractShift Schedule: Rotational (Shift A, B, C – morning, mid, or night)Budget/Bill Rate: Market RangeEducation: Undergraduates accepted if skills matchSummaryWe are looking for an experienced...

  • CISCO IP Telephony Professionals

    1 week ago

    Manila, National Capital Region, Philippines AVENSYS CONSULTING INC. Full time ₱900,000 - ₱1,200,000 per year

    About the role We are seeking experienced CISCO IP Telephony Professionals to join our innovative technology consulting firm, AVENSYS CONSULTING INC.'. This contract position will be based in Metro Manila, offering the opportunity to work on cutting-edge communication solutions for our diverse client base. About the RolesWe are hiring Enterprise IP...

  • Senior Telephony Solutions Architect

    4 days ago

    Manila, National Capital Region, Philippines ESOL IT SERVICES INC. Full time $60,000 - $180,000 per year

    Duties & ResponsibilitiesProject-Based System ImplementationsLead or participate in the implementation, upgrade, and expansion of customer Cisco Telephony and Contact Center solutions across the full Cisco UC/CC portfolio.Collaborate closely with engineering and architecture teams to ensure accurate execution of solution design and architectural...

  • Global Telephony Engineer

    6 days ago

    Manila, National Capital Region, Philippines Tala Full time ₱80,000 - ₱1,500,000 per year

    About Tala At Tala, we're applying advanced technology and human creativity to solve what legacy institutions can't or won't. We are a global financial infrastructure company on a mission to unleash the economic power of the global majority, recognizing that today's financial infrastructure doesn't work for most of the world's population. Our pioneering...

  • CUCM (Telephony)

    1 week ago

    Manila, National Capital Region, Philippines ARTECH TECHNOLOGY INC Full time ₱2,000,000 - ₱3,000,000 per year

    Job Title : Voice Network EngineerLocation: Mandaluyong City, PH (Hybrid/2x a week onsite)Position Type: ContractShift: Rotational/Shifting ScheduleJob Description :You will engage in the design, construction, and configuration of applications tailored to meet specific business processes and application requirements. Your typical day will involve...

  • Global Telephony Engineer

    1 week ago

    Manila, National Capital Region, Philippines Tala Full time ₱1,500,000 - ₱3,000,000 per year

    About TalaAt Tala, we're applying advanced technology and human creativity to solve what legacy institutions can't or won't. We are a global financial infrastructure company on a mission to unleash the economic power of the global majority, recognizing that today's financial infrastructure doesn't work for most of the world's population.We're the first and...

  • Sales Engineer

    6 days ago

    Manila, National Capital Region, Philippines JonDavidson Full time ₱3,000,000 - ₱6,000,000 per year

    Our client is a MNC specializing in VoIP/UC/ Telephony/Contact Center solutions in the ITC industry looking for an experienced Sales engineer in all sales activity in the Philippines.Requirements:In charge of all technical activities in the sales process from the opportunity phase until it is ready to be handed over to the post sale phase. Providing...

  • UC Support Engineer

    10 hours ago

    Manila, National Capital Region, Philippines Emapta Full time

    Powering Global Conversations Through Technology. Our client, Aura Alliance, Ltd., is a London-based managed services leader transforming the way businesses communicate. With a strong focus on technology solutions, business transformation, and professional services, they partner with global enterprises to deliver reliable, secure, and innovative unified...