Job Description We are seeking a seasoned Infrastructure Engineer to lead the design, implementation, and support of enterprise voice and collaboration systems. This role serves as a strategic liaison between business stakeholders and IT teams, ensuring scalable, secure, and high-performing infrastructure solutions that align with organizational goals. We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements Experience in Cisco Unified Communications design, implementation, and support. Expertise in Cisco UC components: CUCM, Unity, UCCE, Jabber/Presence, WebEx, and Emergency Responder. Strong knowledge of SIP, QoS, VOIP, and enterprise networking protocols (MPLS, BGP, EIGRP). Experience with end-user devices and collaboration tools: Windows, macOS, iOS, Microsoft O365, Teams, Teams Voice. Familiarity with network and voice infrastructure: LAN/WAN, routers, switches, firewalls, PSTN, PRI, TDM, POTS. Working knowledge of UNIX/Linux and/or Windows server infrastructure. Experience with third-party integrations (e.g., Workday, Epic, AD, Jira) via ServiceNow connectors and APIs. Strong analytical and troubleshooting skills with a commitment to information security best practices. Excellent communication and documentation skills; ability to work independently and manage multiple projects.