Role Summary
We are seeking an experienced
Cisco UC Voice Engineer
to support critical upgrades and modernization initiatives across our enterprise communication platforms. In this role, you will be responsible for delivering seamless upgrades to
Cisco Unified Communications Manager (CUCM), Unified Contact Center Express (UCCX), and Unity Connection (CUC)
, along with associated
VMware ESXi infrastructure
.
This position offers the opportunity to work on
high-impact upgrade projects
in a global setting, collaborating with cross-functional teams to ensure stability, security, and minimal service disruption.
Key Responsibilities
Perform upgrades of
CUCM, UCCX, and CUC
from version
12.5 to 15.4
Execute
VMware ESXi upgrades
from versions
6.5 and 7.0 to 8.0
Complete all pre-upgrade activities, including:
Change submissions and approvals
Detailed implementation and rollback plans
Technical documentation and validation checklists
Coordinate with global teams to plan and execute upgrade windows with minimal business impact
Troubleshoot and resolve issues during and after upgrade activities
Ensure compliance with company standards, security policies, and best practices
Provide
post-upgrade stabilization and hypercare support
, including system optimization
Required Qualifications
Proven, hands-on experience upgrading CUCM, UCCX, and CUC environments
Demonstrated experience upgrading VMware ESXi from ******* to 8.0
Robust analytical, troubleshooting,



and problem-solving skills
Clear and effective written and verbal communication skills
CCNA certification
Preferred Qualifications
Experience supporting
global or enterprise-scale environments
, including rotating or after-hours coverage
Comfortable working in
remote and distributed team environments
CCNP Collaboration (or equivalent hands-on experience)
with Cisco UC technologies
Familiarity with
ITIL or structured change management practices
Experience with
large enterprise UC deployments
, including multi-cluster and multi-site architectures
Why Join
Work on
high-visibility Cisco UC upgrade initiatives
Gain exposure to
latest Cisco UC and VMware technologies
Collaborate with experienced engineers across regions
Make a direct impact on
global communication reliability
About Bold Business:
Bold Business is a US-based global business process outsourcing (BPO) firm with over 25 years of experience and $7B+ in client engagements. We help fast-growing companies scale through smart talent strategies, automation, and technology-driven solutions.
Bold Business recruiters always use a "@
boldbusiness.com
" email address and/or from our Applicant Tracking System, Greenhouse. Any variation of this email domain should be considered suspicious. Additionally, Bold Business recruiters and authorized representatives will never request sensitive information in email or via text.

📌 Cisco Uc Voice Engineer (India)
🏢 Bold Business
📍 India