Senior Engineer, Infrastructure Engineering

Overview

综述 :

The primary role of this position is to serve as the Telephony Engineer on the Infrastructure Engineering team.

Responsibilities 职责 :

Lead the design, standardization, implementation, and management of global voice / telephony infrastructure.

Liaison with operations team on voice service operations : monitoring / events, incidents, problems, and escalations.

Define full lifecycle service management (roadmap, transition, operation, continuous improvement) for all voice / telephony hardware.

Implement, coordinate and support telephony changes.

Isolate, diagnose and resolve voice / telephony problems individually and through coordination with others.

Maintain system access and security in order to safeguard company data.

Work with various telephony providers on service deliveries, billing, maintenance, support and configuration changes for legacy PBX infrastructure, POTS lines, PRI lines, etc.

Plan and perform Teams telephony migrations from legacy telephony setup

Project contributor to other IT projects where and voice communication changes may be needed

Assist with design of disaster recovery and business continuity plans

Qualifications 要求 :

Demonstrated experience, including but not limited to :

PBX telephone systems

Cisco Unified Communications Manager and Voice over IP systems

Teams telephony

Teams based contact center solutions

Teams admin center

Cisco call center solutions

Cisco Finesse

Network protocols and standards, including TCP / IP, DHCP, DNS, and VLANs

Fundamentals of TCP / IP routing and WAN designs

Industry certifications such as CCNP Collaboration, or equivalent

Industry certifications such as Microsoft 365 Certified : Collaboration Communications Systems Engineer Associate, or equivalent

Strong analytical and troubleshooting skills with the ability to diagnose and resolve complex telephony issues

Experience coordinating and working with teams of multiple disciplines globally

Proven success of collaborating with non-IT stakeholders

Practical experience in IT infrastructure design, implementation and support

Ability to document precisely and at right level of detail

Ability to define and follow processes

Ability to translate business requirements into IT solutions and associated cost

Understanding of financial impact of decisions

Ability to clearly define problem statements and determine solutions

Must have strong planning skills

Excellent communication and interpersonal skills with the ability to collaborate effectively with cross-functional teams

Required Years of Experience :

~ 5 years of designing, deploying, and supporting voice / telephony systems and networks

Required Education :

University or similar degree

Celanese is a global leader in chemistry, producing specialty material solutions used across most major industries and consumer applications. Our businesses use our chemistry, technology and commercial expertise to create value for our customers, employees and shareholders. We support sustainability by responsibly managing the materials we create and growing our portfolio of sustainable products to meet customer and societal demand. We strive to make a positive impact in our communities and to foster inclusivity across our teams. Celanese Corporation employs more than 11,000 employees worldwide with 2024 net sales of $10.3 billion. For more information about Celanese Corporation and its product offerings, visit .

塞拉尼斯公司是化学及特种材料解决方案的全球佼佼者，产品被广泛应用于大多数主要行业和消费品领域。充分利用广博的化学、技术和业务专长，我们的业务为客户、员工和公司股东创造价值。我们负责任地管理我们所生产的材料、不断发展我们的可持续产品组合来支持可持续发展，以满足客户和社会的需求。我们努力为社区播撒积极影响，同时不断促进团队的包容性。塞拉尼斯全球超过 11,000 名员工。2024年净销售额达 103亿美元。 Interested in this opportunity? Note : If you were referred by an employee (they set-up your profile) to this opportunity, you can add and / or update your resume / CV before or after applying to this position.

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