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Senior Project Engineer (Unified Communications)

Onecom


Job Location:

Whiteley - UK

Salary: Not provided by the employer
Posted: 18 September 2026 (Yesterday)
Application Deadline: 16 December 2026
Vacancies: 1 Vacancy

Job Summary

Why Join Us

Onecom is the UKs leading business technology provider shaping the way we work connect communicate and operate.

You will join a multi-award-winning company with over 800 talented people committed to delivering great customer experiences driven by the Onecom Way; Think Kaizen Be Respectful Build Relationships Make it Happen Work Smart Be Amazing.

About the role

Were looking for an experienced customer-focused Senior Project Engineer to join our Professional Services team.

Youll take the technical lead on a range of customer projects across Unified Communications Collaboration and Modern Workplace designing deploying and transitioning solutions into support.

Working closely with Project Managers Consultants customers and third-party partners youll make sure projects are delivered to a high standard on time and within scope.

This is a great opportunity for an experienced engineer who enjoys combining hands-on technical delivery with customer interaction particularly someone with strong experience of VoIP platforms and Linux-based operating systems.

What youll be doing

Delivering customer projects

  • Manage multiple technical project workstreams and deliver against agreed timescales.

  • Take part in discovery workshops and requirements-gathering sessions.

  • Produce implementation plans migration strategies and technical documentation.

  • Deliver solutions in line with agreed scope quality standards and best practice.

  • Support the smooth handover of completed projects into Managed Services and operational support teams.

Designing and implementing solutions

  • Configure and support 3CX and Zoom solutions.

  • Configure and troubleshoot Session Border Controllers (SBCs) and SIP.

  • Support migrations from legacy PBX and telephony platforms.

  • Troubleshoot complex technical issues throughout project delivery.

Working with our customers

  • Act as a trusted technical advisor throughout the project lifecycle.

  • Lead customer workshops technical reviews and solution demonstrations.

  • Communicate project progress risks and technical challenges clearly and confidently.

  • Build strong relationships with technical and non-technical customer stakeholders.

Providing technical leadership

  • Provide guidance and mentoring to Project Engineers and junior colleagues.

  • Contribute to technical standards templates and delivery methodologies.

  • Participate in technical design reviews and support pre-sales activity where required.

  • Identify opportunities for automation and continuous service improvement.

  • Keep up to date with emerging technologies and industry best practice.

What were looking for

Youll ideally have strong knowledge and hands-on experience across:

  • SIP and VoIP

  • PSTN connectivity

  • DNS

  • TCP/IP networking

  • Quality of Service (QoS)

  • Delivering customer-facing technical projects

  • Troubleshooting complex technical issues

  • Producing clear technical design and implementation documentation

Youll be someone who is

  • Customer-focused and confident working with stakeholders.

  • Organised and comfortable managing multiple priorities.

  • Proactive analytical and solutions-focused.

  • Able to work independently while collaborating effectively with others.

  • Detail-oriented particularly when it comes to technical delivery and documentation.

  • Happy to share your knowledge and support the development of colleagues.

  • Youll also have strong written and verbal communication skills and be comfortable explaining technical topics to a range of audiences.

Perks for our people

Holidays: 25 days bank holidays and buy/sell options

Other Leave: Birthday day off 12 paid hours for flexible use Volunteer day

Lifestyle: 9% combined pension contribution and 4x salary life assurance

Rewards: Quarterly and annual employee awards discounts on tech

Socials: All-expenses-paid company events

Development: In-House Training Academy

Wellbeing: 24/7 access to mental health support Calm App discounted gym membership free breakfast & fresh fruit eye-care vouchers financial wellbeing support

Everyone belongs at Onecom

We believe that diverse teams bring a range of experiences and better ideas that fuel innovation. Thats why were committed to creating an environment where everyone feels valued respected and able to bring their authentic selves to work. We welcome applications from people of all backgrounds experiences identities and perspectives.


About Company

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Were the UKs leading business telephony and cloud communications provider.Delivering IT services contact centre technology unified comms fixed-line voice connectivity and managed cloud solutions.

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