At a Glance
- Tasks: Own and improve our Linux-based telephony platform while solving complex real-time problems.
- Company: Join PiPcall, a forward-thinking telecoms company that values technical expertise.
- Benefits: Enjoy flexible hours, competitive salary, and the chance to work remotely.
- Other info: Collaborate in a high-trust environment with opportunities for career growth.
- Why this job: Make a real impact on mission-critical voice infrastructure and shape engineering standards.
- Qualifications: Strong Linux experience and knowledge of SIP/VoIP systems are essential.
Are you a senior engineer who thrives on owning mission-critical platforms, solving complex real-time problems, and improving reliability at scale? PiPcall is looking for a Senior Platform Engineer to take technical ownership of our core telephony platform. This role is best suited to someone with strong Linux systems expertise, solid SIP / VoIP knowledge, and hands-on experience supporting production environments where performance, uptime, and troubleshooting depth really matter.
Role snapshot:
- Full-time
- Hybrid / Remote
- Salary: Up to £95,000 per annum
- Monday to Friday, 9:00 - 18:00
What You’ll Be Doing
- Own and continuously improve PiPcall's Linux-based telephony platform in production
- Design, build, and support real-time voice services using FreeSWITCH and related SIP components
- Drive platform reliability, scalability, resilience, and performance across critical services
- Troubleshoot complex issues across application, operating system, and network layers
- Analyse logs, metrics, traces, and packet captures to identify root causes and prevent recurrence
- Improve monitoring, observability, automation, and operational tooling
- Collaborate closely with engineers working across backend services, APIs, and platform integrations
What We’re Looking For
- Essential: Strong experience running and supporting Linux production systems
- Essential: Hands-on experience with FreeSWITCH, Asterisk, Kamailio, OpenSIPS, or similar SIP/VoIP platforms
- Essential: Solid understanding of SIP, networking, and real-time communications in production environments
- Essential: Strong troubleshooting capability using logs, tcpdump, Wireshark, and system-level diagnostics
- Essential: Scripting experience in Bash plus at least one of Python, Perl, or PHP
- Essential: Comfortable taking ownership, making sound technical decisions, and working effectively in a small engineering team
- Desirable: Experience with cloud infrastructure, automation, observability tooling, or relational databases
Why Senior Engineers Join Us
- Flexible hours and regular remote working
- Competitive salary aligned to experience and technical depth
- End-to-end ownership of mission-critical voice infrastructure
- A high-trust, low-bureaucracy engineering environment where strong technical judgement is valued
- The opportunity to shape platform direction, tooling, and engineering standards as the business grows
What’s in It for You
This is a hands-on senior engineering role with genuine ownership of core real-time communications infrastructure. You’ll work on a platform that matters to the business, with the scope to influence architecture, reliability, tooling, and operational standards. It’s well suited to engineers who enjoy solving difficult production problems, improving systems at scale, and having a visible impact in a small, capable team. As the platform grows, there is clear scope to shape engineering standards and expand your influence.
About PiPcall
PiPcall combines telecoms expertise with modern software engineering to build dependable communications products for businesses that need performance and reliability. We value strong technical judgement, straightforward collaboration, and people who take pride in solving hard problems well. You’ll be joining a business where experienced engineers can make meaningful technical contributions without unnecessary bureaucracy, and where platform quality is taken seriously.
Interested? If you have strong Linux platform experience and a solid background in SIP, VoIP, or telephony systems, this is an opportunity to take ownership of a platform where your technical depth will be valued. If your background matches the essential criteria and you’re looking for genuine technical ownership, we’d like to hear from you.
Senior Platform Engineer Telephony / VoIP / Linux in Islington employer: PiPcall
At PiPcall, we pride ourselves on fostering a high-trust, low-bureaucracy work environment that empowers our Senior Platform Engineers to take full ownership of mission-critical telephony platforms. With flexible working hours, competitive salaries, and the opportunity to shape engineering standards, we offer a unique blend of technical challenge and personal growth in a collaborative team setting. Join us to make a meaningful impact on real-time communications infrastructure while enjoying the benefits of a supportive and innovative workplace.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Platform Engineer Telephony / VoIP / Linux in Islington
✨Tip Number 1
Network like a pro! Attend industry meetups, webinars, or tech conferences where you can connect with other engineers and potential employers. Don't be shy—introduce yourself and share your passion for Linux and VoIP!
✨Tip Number 2
Show off your skills! Create a GitHub repository showcasing your projects related to telephony or VoIP. This gives you a chance to demonstrate your expertise in FreeSWITCH or similar platforms, making you stand out to recruiters.
✨Tip Number 3
Prepare for technical interviews by brushing up on your troubleshooting skills. Practice solving real-time problems using logs and tools like tcpdump or Wireshark. Being able to showcase your problem-solving abilities will impress any hiring manager.
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Tailor your application to highlight your experience with Linux systems and SIP/VoIP knowledge, and let us know how you can contribute to our mission-critical platforms.
We think you need these skills to ace Senior Platform Engineer Telephony / VoIP / Linux in Islington
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your Linux systems expertise and any hands-on experience with SIP/VoIP platforms. We want to see how your skills align with what we're looking for, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about telephony and how your experience can help us improve our platform. Keep it concise but impactful – we love a good story!
Show Off Your Troubleshooting Skills:In your application, mention specific examples of complex issues you've tackled in production environments. We’re keen to see how you approach problem-solving, especially when it comes to logs and diagnostics.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team!
How to prepare for a job interview at PiPcall
✨Know Your Tech Inside Out
Make sure you brush up on your Linux systems expertise and SIP/VoIP knowledge. Be ready to discuss specific projects where you've tackled real-time problems or improved platform reliability. This will show that you not only understand the theory but have practical experience too.
✨Prepare for Troubleshooting Scenarios
Expect to be asked about complex issues you've resolved in production environments. Prepare examples where you've used tools like tcpdump or Wireshark to diagnose problems. Highlight your thought process and how you arrived at solutions, as this demonstrates your troubleshooting depth.
✨Showcase Your Scripting Skills
Since scripting is essential for this role, be ready to discuss your experience with Bash and any other languages like Python or Perl. You might even want to prepare a small example of a script you've written that improved automation or monitoring in a previous role.
✨Emphasise Collaboration and Ownership
PiPcall values engineers who can take ownership and work effectively in a team. Be prepared to share experiences where you've collaborated with others on backend services or platform integrations. Highlight how you made technical decisions and contributed to the team's success.
