SIP/Unified Communications Project Manager (FTC)

Square One Resources; Greater London; Hybrid; GBP 54,000 - 90,000; Full time

Job summary

Square One Resources in City of London is seeking a Project Manager to deliver SIP/Unified Communications initiatives on a six-month fixed-term contract with three on-site days weekly. You will coordinate cross-functional teams and vendors, manage migration and handover, and align activities with the client’s infrastructure strategy. Strong UC delivery and stakeholder skills are essential.

Qualifications

• Proven experience as an Infrastructure Project Manager delivering technical change in complex enterprise environments.
• Hands-on delivery across SIP trunking and Unified Communications, including migrations and voice platforms.
• Strong understanding of infrastructure delivery dependencies across networks, security, endpoints, service management and operational support models.
• Delivery-focused with client-facing experience in fast-paced, technically complex environments.
• Excellent communication and stakeholder management, with ability to translate technical delivery detail for varied audiences.
• Advanced proficiency in Excel and PowerPoint for planning, reporting and executive presentations.

Responsibilities

• Define, agree and manage the delivery approach, plan, dependencies and resources for technical infrastructure workstreams.
• Lead delivery of SIP/Unified Communications projects, including planning, migration, cutover, testing, service transition and handover activities.
• Coordinate technical teams, third-party suppliers and client stakeholders across voice, network, telephony, contact centre and collaboration technology workstreams.
• Ensure solution designs, implementation plans and delivery activities align with the customer's infrastructure strategy, technical standards and governance requirements.
• Work closely with internal management, business stakeholders and external partners to develop effective delivery plans, service models and transition approaches.
• Maintain robust governance, including plans, RAID, reporting, decision logs, dependency management and escalation routes.
• Manage relevant vendors and suppliers, ensuring delivery commitments, risks and issues are actively tracked and resolved.

Skills

SIP trunking

Unified Communications

Project management

Stakeholder management

Voice/telephony

Microsoft Teams Phone

Tools

Microsoft Excel

PowerPoint

Microsoft Teams

Job description

Job Title: Project Manager - SIP/Unified Comms (FTC)
Location: City Of London 3x a week
Salary/Rate: Up to £90,000
Start Date: In the next two weeks
Job Type: Initial 6 months fixed term contract - likelihood of extension

Company Introduction:
We have an exciting opportunity now available with one of our global leading law firm clients! They are currently looking for a project manager to join their team for a six-month fixed term contract.

You will be supporting one of our key customers in Central London, you will be joining our energised and focused Programme and Project team who are working hard to deliver exceptional value across a global estate.

With a demonstrable background in infrastructure project delivery, you will have successfully managed complex, highly visible technical projects, ideally including SIP trunking, Unified Communications, telephony, contact centre, voice, network or collaboration technology change.

Responsibilities of the Project Manager include:

• Define, agree and manage the delivery approach, plan, dependencies and resources required for technical infrastructure workstreams
• Lead delivery of SIP/Unified Communications projects, including planning, migration, cutover, testing, service transition and operational handover activities
• Coordinate technical teams, third-party suppliers and client stakeholders across voice, network, telephony, contact centre and collaboration technology workstreams
• Ensure solution designs, implementation plans and delivery activities align with the customer's infrastructure strategy, technical standards and governance requirements
• Work closely with internal management, business stakeholders and external partners to develop effective delivery plans, service models and transition approaches
• Maintain robust governance, including plans, RAID, reporting, decision logs, dependency management and escalation routes
• Manage relevant vendors and suppliers, ensuring delivery commitments, risks and issues are actively tracked and resolved

Experience required:

• Proven experience as an Infrastructure Project Manager delivering technical change in complex enterprise environments
• Hands-on project delivery experience across SIP trunking and Unified Communications, ideally including telephony migrations, voice platforms, contact centre technologies, Microsoft Teams Phone or equivalent UC platforms
• Strong understanding of infrastructure delivery dependencies across networks, security, endpoints, identity, service management and operational support models
• Focussed on Delivery: An ability to demonstrate a high degree of competency in project management, with similar experience in a client-facing position and in fast-paced, technically complex environments
• Strong Multitasker: Demonstrates the ability to manage and prioritise multiple technical workstreams simultaneously, pivoting quickly with an agile and pragmatic approach
• Confident Communicator: Has excellent communication and stakeholder management skills, capable of translating technical delivery detail for business, operational and senior stakeholder audiences
• Proactive Ownership: Possesses a curious mindset, takes full ownership of delivery outcomes, and actively seeks efficient, innovative ways to optimise project processes
• Team Player: A dedicated team player who proactively identifies opportunities to support colleagues, technical teams and client stakeholders to achieve shared outcomes
• Adaptable: Thrives in flexible, ambiguous environments, embracing continuous learning and experimentation to navigate complex technical and organisational circumstances
• Solution-Focused: Committed to unlocking programme success, with exceptional project management discipline, strong judgement and the confidence to raise issues early
• A proactive consulting mindset, capable of anticipating challenges and addressing them effectively in a fast-paced client environment
• Advanced proficiency in Microsoft Excel and PowerPoint for planning, reporting, data analysis and executive presentations
• Ability to communicate effectively with technical and non-technical stakeholders, including senior sponsors, architects, engineers, service owners and business users

Desirable:

• Legal industry or professional services background
• Ability to operate within a consulting environment
• Relevant certifications in your area of expertise

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.