Job Title : Service Engineer Company : Operant Infotech Private Limited Location : Ghaziabad Salary : Negotiable Employment Type : Full-Time Job Summary We are seeking a skilled and motivated Engineer to join our dynamic team. The ideal candidate will have hands-on experience in installation, configuration, and support of Avaya Unified Communication platforms and related technologies. Key Responsibilities Install, configure, and maintain Avaya platforms including: Avaya Aura Communication Manager (CM) (versions 4 to 10) Session Manager (SM), System Manager (SMGR) Application Enablement Services (AES), Avaya SBC & EMS Avaya IP Office and Avaya Media Gateways (G430, G450, G650) Deploy and troubleshoot Avaya IP Phones (SIP J129, J139, J179) Set up and configure AVP and ESXi environments Apply patches, perform license configuration, and system upgrades Utilize tools such as Avaya Site Administration (ASA), Wireshark, Avaya One-X, One-X Attendant, and PuTTY for diagnostics and administration Work with VoIP protocols including SIP, H.323, RTP, and TCP/IP Perform regular maintenance and ensure high availability of systems Support end-users and provide technical resolution in a timely manner Required Skills & Experience 2–5 years of hands-on experience with Avaya systems (CM, SM, SMGR, AES, SBC, etc.) Proficiency in Linux OS and virtualization platforms such as VMware/ESXi Strong understanding of VoIP protocols and networking concepts Familiarity with diagnostic tools (Wireshark, ASA, PuTTY) Ability to work independently as well as in a team environment Excellent communication and problem-solving skills Preferred Qualifications Avaya Certified Professional credentials (ACIS, ACSS) will be an added advantage Experience working in client-facing roles How to Apply Interested candidates may send their updated resumes to vanshika@operant.in with the subject line: Application for Service Engineer Show more Show less