Sr. Network Administrator S 4B

Genpact; Región Centro; Hybrid; MXN 600,000 - 900,000; Full time

Job summary

Genpact in Mexico (Hybrid) is seeking a Sr. Network Administrator S to lead and support enterprise voice and unified communications initiatives.

You will manage CUCM deployments, configure SIP trunks, and ensure high-quality VoIP across manufacturing sites and offices, with on-call rotation as needed. Fluency in English and Spanish, ITIL-aligned incident handling, and hands-on experience with QoS, Wireshark, and Direct Routing to migrate from on-prem CUCM are highly valued.

Qualifications

• Requires hands-on Cisco Unified Communications Manager administration and user provisioning.
• Experience with VOIP endpoint registration and softphone deployment.
• Strong knowledge of SIP signaling, SIP trunks, and carrier interactions.
• Understanding QoS, codecs, jitter, latency, and issue diagnosis.
• Experience with voice gateways and legacy interfaces.

Responsibilities

• Handle issues related to CUCM, VOIP assignments, and SIP trunks.
• Administer enterprise voice and unified communications platforms.
• Participate in on-call rotation outside regular business hours for critical incidents.

Skills

Cisco CUCM

VOIP administration

SIP trunk configuration

Call routing troubleshooting

Wireshark analysis

English and Spanish proficiency

ITIL incident & change process

On-call support

Teams telephony / Direct Routing

Voice quality QoS

Education

Bachelor's degree in Computer Engineering

Bachelor's degree in Information Systems

Bachelor's degree in Information Technology

Bachelor's degree in Network Engineering

ITIL certifications

Job description

Sr. Network Administrator S

Ready to turn bold ideas into real-world impact?

At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory, our industry-first accelerator, exemplifies how we scale advanced technology solutions to help global enterprises work smarter, grow faster, and transform at scale. Whether tackling complex challenges through large-scale models or agentic AI, our breakthrough solutions tackle companies’ most complex challenges.

If you thrive in a fast-moving, innovation-driven environment, love building and deploying cutting‑edge AI solutions, and want to push the boundaries of what’s possible, this is your moment.

Genpact (NYSE: G) is an agentic and advanced technology solutions company. We leverage process intelligence and artificial intelligence to deliver measurable outcomes. With a strong partner ecosystem and decades of client trust, we provide innovative solutions that transform how businesses run. Powered by a team with an active learning mindset and client centricity at its core, we deliver lasting value for the world’s leading enterprises.

Get to know us at genpact.com and on LinkedIn, YouTube, X, and Facebook.

Job Description

Responsibilities

Handling issues related to:

• Cisco Unified Call Manager (CUCM).
• VOIP assignments.
• SIP trunks.

Required Skills & Experience

• Experience administering and supporting enterprise voice and unified communications platforms.
• Hands‑on Cisco Unified Communications Manager administration: user and device provisioning, dial plan configuration, partitions and calling search spaces, and call routing troubleshooting.
• Practical experience with VOIP endpoint registration, extension mobility and softphone deployment.
• Working knowledge of SIP signaling and SIP trunk configuration, including troubleshooting with carriers and interpreting SIP traces.
• Understanding of voice quality fundamentals: QoS, codecs, jitter, latency and packet loss, and the ability to diagnose call quality complaints end to end.
• Familiarity with voice gateways, MGCP/H.323 and analogue interfaces for legacy plant equipment.
• Experience operating within an ITIL-aligned incident and change management process.
• Professional working proficiency in English and Spanish.
• Flexibility to participate in an on‑call rotation and provide support outside regular business hours, including weekends, when required for critical P1 and P2 incidents
• Exposure to Cisco Unity Connection voicemail and Cisco Unified Contact Center.
• Experience with Microsoft Teams telephony or Direct Routing, and awareness of migration paths from on‑premise CUCM.
• Experience supporting voice services across manufacturing plant and warehouse sites, including overhead paging or intercom integration.
• Packet capture and analysis skills (Wireshark) applied to voice troubleshooting.

Qualifications

Bachelors - Computer Engineering, Bachelors - Database Management, Bachelors - Information Systems, Bachelors - Information Technology, Bachelors - Network Engineering

Certifications

Set of certifications from IT Infrastructure Library (ITIL) - EXINEXIN

Required Skills

Applications Support, Call Manager, Call Routing, Change Management, Cisco CUCM, Cisco Telephony, Client Relations, Collaboration Tools, Design Thinking, ITIL Practices, Network Latency, Quality of Service (QoS), Server Infrastructure, ServiceNow Platform, VoIP SIP, VoIP Systems, VoIP Troubleshooting, Wireshark

Language

English (Required)

Language Proficiency -

Advanced - C1

Job Type

Regular

Remote Type -

Hybrid

Work Shift -

Day Job (Mexico)

Why join Genpact?

• Lead AI-powered transformation – Drive innovation and solve real-world business challenges that matter
• Make an impact – Help global enterprises solve business challenges that matter
• Accelerate your career – Gain hands‑on experience, mentorship, and world‑class learning opportunities to stay ahead
• Work with the best – Join 140,000+ bold thinkers and problem‑solvers who push boundaries every day
• Thrive in a values‑driven culture – Our courage, curiosity, and incisiveness - built on a foundation of integrity and inclusion - allow your ideas to fuel progress

Come join the 140,000+ coders, tech shapers, and growth makers at Genpact and take your career in the only direction that matters: Up. Let’s build tomorrow together.

Genpact is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Genpact is committed to creating a dynamic work environment that values respect and integrity, customer focus, and innovation.