Mayer Brown

Unified Communications Engineer - Telecom

Job Post Information* : Posted Date 2 months ago(4/11/2022 12:50 AM)
# of Positions
Pos. Category
Information Technology - Communications
Office Location
Hong Kong - Wong Chuk Hang
Pos. Type
Regular Full Time


Mayer Brown is a leading global law firm with offices in 26 key business centres across the Americas, Asia, Europe and the Middle East. With approximately 200 lawyers in each of the world’s three largest financial centres — New York, London and Hong Kong — we are uniquely positioned to advise leading companies and financial institutions on their most complex legal needs. We have deep experience in high-stakes litigation and complex transactions across industry sectors, including our signature strength, the global financial services industry.


We are a collegial, collaborative and diverse firm where highly motivated individuals with an unwavering commitment to excellence receive the opportunity, support and development they need to grow, thrive and realise their greatest potential. We also encourage all our people to use their skills to support the wider community through our pro bono and community volunteering programmes. At Mayer Brown the principles of mutual respect, dignity and understanding are central to the way we work and help to provide an environment where diversity and inclusion are embraced.


The Unified Communications Engineer is responsible for building and supporting scalable and cost effective unified communications services required across the firm, including video-telephony, voicemail, instant messaging and presence.



  • Accountable for providing high quality solutions to integrate the firm’s unified communications services and technologies.
  • Accountable for keeping current on developments in unified communications (technologies, products, practices and trends).



  • Responsible for evaluating new systems and technologies to increase service levels and reduce costs.
  • Responsible for contributing to projects to deliver new unified communications services.
  • Responsible for being a technical escalation contact for users, more junior team members and other teams.
  • Responsible for contributing to good working relationships between the Unified Communications team and other IT teams.
  • Responsible for performing preventative maintenance.
  • Responsible for providing high quality support to users for unified communications services.
  • Responsible for communication of planned maintenance to other IT teams and users.
  • Responsible for complying with approved policies and processes defined by other groups.
  • Responsible for maintaining inventories and complying with licensing agreements.
  • Responsible for resolving incidents in accordance with Service Level Agreements and escalating where appropriate.
  • Responsible for preparing high quality documentation.

Qualifications / Person Specification

  • Bachelor’s degree in computer science or information systems preferred. Relevant industry experience is acceptable.
  • In-depth experience of Cisco Unified Communications Manager, Cisco Unity Connection, Cisco IM and Presence Service, Cisco Emergency Responder, Cisco Unified Attendant Console, Cisco Unified Contact Center Express, Cisco Unified Border Element, Cisco voice routers, Cisco Expressway.
  • 5 years working with telecommunications networks. Strong knowledge of voice and data switches and routers, telecommunications protocols and standards, voice and data infrastructure tools and services, QoS design and operation.
  • Knowledge of video conferencing end points, Cisco 8800 series phones.
  • Knowledge of telecommunications protocols, communications and standards, H.323, SIP, E.164.
  • Exposure to mobile telephony solutions.
  • Understanding of Microsoft Teams Phone.
  • Good understanding of the design of global Voice over IP telecommunications infrastructure.
  • A history of working in a demanding telecommunications environment is essential. A professional services background is desirable.
  • Relevant Cisco Collaboration accreditation is preferred
  • Strong oral and written communications skills.
  • Able to work under pressure, prioritise tasks and meet strict deadlines.
  • Thorough by nature with a keen attention to detail.
  • Client focused with the ability to develop good relationships.
  • Able to explain complex technical issues to non-technical people.
  • Strong analytical, evaluative, and problem-solving abilities.


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