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Salary
≈ $97k – $189k per year (Estimated)
Location
In office (London)
Seniority
Senior
Visa
No sponsorship (stated in the posting)

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Jul 23, 2026. Viasat scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Headquartered in Carlsbad, California, Viasat is a global communications company specializing in high-speed satellite broadband, secure networking, and defense communications services. The company designs, builds, and operates an advanced network of high-capacity satellites to deliver reliable connectivity to residential, commercial, aviation, and government users worldwide. Following its acquisition of Inmarsat, its expanded portfolio now spans global mobile satellite services, maritime communications, and critical national security infrastructure.
About us

One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team.

What you'll do

The Service Assurance Systems (SAS) Group, part of Global Operations, develop and maintain many software systems and applications which support the operation of Viasat services.

These systems and applications are at the heart of Viasat Operational Centres around the world. They are used by 24/7 network operations controllers, system design engineers, managers across Viasat, Value Added Resellers (VARs) and Distribution Partners (DPs) to monitor, measure and interpret network and service performance.

The team’s work centres around three core activities:

  • The capture and collection of real-time data from systems distributed across the Viasat network, decoding it as needed to extract meaningful insights.
  • Analyse of this data to build a clear understanding of system behaviour, using modelling and other analytical techniques to assess performance.
  • Sharing these insights across Viasat through real-time monitoring and alerting, operational dashboards, and tools that support both live and historical analysis.

This position is not eligible for visa sponsorship.

The day-to-day

You will be working as part of a small team of developers supporting the evolution of Viasat’s network and service monitoring capabilities, ensuring it remains world class in support of existing and future services.

You will have ownership of both internal and external stakeholder relationships, working with product managers, Subject Matter Experts (SMEs) and third-party vendors.

  • To undertake software development and support of applications within the SAS group as needed.
  • Working with system and application users to understand new requirements, develop and test new features.
  • To organise and present design and code reviews for work undertaken.
  • To provide written and verbal progress reports within the SAS group.
  • Have a conscientious approach to testing and documentation.
  • Working alongside engineers from the Development & Engineering divisions to understand the design and architecture of new services to be launched and ensuring there are appropriate interfaces to allow collection of appropriate monitoring and service information.
  • Interact with Operations, Product Management and Customer Support teams to answer customer questions and help resolve customer network issues, identify and resolve software bugs.
  • To take responsibility for the enhancement and maintenance of software supporting the Billing/Assurance streams.
  • Ongoing work with Viasat’s Billing and IT Operational teams aiming to agree clear demarcation and responsibility for the delivery of operational solutions and tools.
  • Support Billing/Assurance Operational teams with fault finding/diagnosis.
  • Liaise with engineering divisions to ensure systems correctly reflects any proposed changes to existing services.
  • To support and fix the operational systems developed and supported by the SAS group. This will include providing on-call/call out support.

What you'll need

  • BSc in either Computer Science or a technical/engineering field.
  • A strong background of hands-on Java development working in a real-time operational environment.
  • Strong experience in Javascript/Nodejs development.
  • Experience of Windows and Linux operating systems.
  • Good understanding of IP networks and exposure to network troubleshooting using Wireshark or similar tools.
  • Experience with event streaming platforms, such as Kafka.
  • Practical experience of whole software development lifecycle, producing high quality re-useable code in a team environment.
  • Excellent communication and collaboration skills in team and corporate environments.
  • A reasonable understanding and appreciation of IT and network security best practices.
  • A proactive approach dedicated to finding effective answers with attention to detail.
  • Experience in documenting your own software development work for future reference and support.
  • Experienced in Object Oriented Analysis and design using common design patterns.

What will help you on the job

  • This person needs to be self-motivated and curious; use initiative to proactively identify issues and improvements and communicate effectively.

EEO Statement

Viasat is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, ancestry, physical or mental disability, medical condition, marital status, genetics, age, or veteran status or any other applicable legally protected status or characteristic. If you would like to request an accommodation on the basis of disability for completing this on-line application, please click here.

You will be working as part of a small team of developers supporting the evolution of Viasat’s network and service monitoring capabilities, ensuring it remains world class in support of existing and future services.

You will have ownership of both internal and external stakeholder relationships, working with product managers, Subject Matter Experts (SMEs) and third-party vendors.

  • To undertake software development and support of applications within the SAS group as needed.
  • Working with system and application users to understand new requirements, develop and test new features.
  • To organise and present design and code reviews for work undertaken.
  • To provide written and verbal progress reports within the SAS group.
  • Have a conscientious approach to testing and documentation.
  • Working alongside engineers from the Development & Engineering divisions to understand the design and architecture of new services to be launched and ensuring there are appropriate interfaces to allow collection of appropriate monitoring and service information.
  • Interact with Operations, Product Management and Customer Support teams to answer customer questions and help resolve customer network issues, identify and resolve software bugs.
  • To take responsibility for the enhancement and maintenance of software supporting the Billing/Assurance streams.
  • Ongoing work with Viasat’s Billing and IT Operational teams aiming to agree clear demarcation and responsibility for the delivery of operational solutions and tools.
  • Support Billing/Assurance Operational teams with fault finding/diagnosis.
  • Liaise with engineering divisions to ensure systems correctly reflects any proposed changes to existing services.
  • To support and fix the operational systems developed and supported by the SAS group. This will include providing on-call/call out support.
  • BSc in either Computer Science or a technical/engineering field.
  • A strong background of hands-on Java development working in a real-time operational environment.
  • Strong experience in Javascript/Nodejs development.
  • Experience of Windows and Linux operating systems.
  • Good understanding of IP networks and exposure to network troubleshooting using Wireshark or similar tools.
  • Experience with event streaming platforms, such as Kafka.
  • Practical experience of whole software development lifecycle, producing high quality re-useable code in a team environment.
  • Excellent communication and collaboration skills in team and corporate environments.
  • A reasonable understanding and appreciation of IT and network security best practices.
  • A proactive approach dedicated to finding effective answers with attention to detail.
  • Experience in documenting your own software development work for future reference and support.
  • Experienced in Object Oriented Analysis and design using common design patterns.
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