Mission Critical Voice Comms Software Engineer (C++/C#, TETRA)

Hexagon's Safety, Infrastructure & Geospatial division; Swindon; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading company in safety and infrastructure is seeking a Voice Communications Developer to join their virtual team. This role involves developing and maintaining software for modular point solution extensions in control room environments. Candidates must have experience in C# and C++, and knowledge of VoIP and TETRA technologies is essential. The position offers hybrid working options and opportunities for professional growth.

Qualifications

• Minimum of 6 years experience with C# and C++.
• Experience with VoIP, SIP, WebRTC for Control Room audio communications.
• Full clean driving licence required.

Responsibilities

• Develop and maintain TETRA-based applications and systems.
• Ensure all code is documented, tested, and maintained.
• Collaborate with remote teams to design solutions.

Skills

C#

C++

VoIP

SIP

WebRTC

SQL

RDBMS

Education

2:1 or higher Degree in Computer Science or Software Engineering

Tools

Microsoft Entity Framework

Oracle DBMS

SQL Server

Job description

We have a new opportunity to hire a Voice Communications Developer. The successful candidate will join a virtual Development team based in Europe. The job will feature hybrid working conditions and be based at a suitable European Hexagon office.

Overview

This role will be a dedicated core member of the team responsible for developing and maintaining modular point solution extensions for Hexagon’s OnCall Dispatch portfolio. The successful candidate must have a passion for technology, a logical aptitude and a demonstrable software programming capability and mind set with special reference to real-time voice communications in a control room setting, interfacing with a variety of radio and telephone service’s APIs with TETRA experience being of greatest initial benefit and moving to MCX related technologies in due course.

Duties and Responsibilities

• To be able to write a high- level design specification based on communication with the customer.

• Development of, and support for, codebase in accordance with the defined design and interface specifications.

• Generation of efficient and compliant code in accordance with established coding guidelines, identified Human Factors and industry best practices.

• Ensuring that all code developed is correctly documented, tested and securely maintained.

• Develop and maintain TETRA-based applications and systems.

• Customize and integrate TETRA communication platforms for client-specific needs.

• Communication of any changes arising to the interfaces, database schema, design documentation and installation documentation, because of the accepted solution.

• Responsible for undertaking defect impact assessment and resolution to support the fixes release plan and the planned test events.

• Working to defined project methodologies and adhering to documented procedures.

• Collaborate with remote teams to design and implement solutions meeting regulatory/security requirements.

• Perform troubleshooting and debugging of communications systems (including TETRA) to resolve issues.

• Conduct testing and validation of software and 3rd party hardware components of communications systems

• Prepare technical documentation, including user manuals, development reports, and system specifications.

• Stay updated with the latest advancements in communications standards, technology and protocols.

• Provide technical support and training to end-users and stakeholders.

• Clearly and regularly communicating with management and technical support colleagues.

Skills and Experience

Essential

• Demonstrate at least 6 years of experience with C# and C++ to interface with communication systems (telephony, radio). Ideally showing a solid, earlier, understanding of C++ and a progression of experience in C# and modern programming techniques in recent years

• Demonstrable experience of development with technologies such as VoIP, SIP, WebRTC in the context of Control Room audio communications and interfacing with TETRA and Telephone switch services

• Experience of working efficiently with SQL and RDBMS to maintain good performance of the whole system.

• Full clean driving licence.

• Must be security cleared or able to be cleared without issue.

Desirable

• Web Services

• Microsoft Entity Framework

• Oracle DBMS or SQL Server

• HTML, JavaScript, React, Angular

• Experience of DevOps and/or GIT

• Azure development

Advantageous

• Computer Aided Dispatch experience

• Use of Geographical Information Systems (GIS)

Attributes

• Sponsorship unnecessary to work in the country where the job is located

• Security cleared or no objections to obtaining security clearance

• Demonstrable experience of development with technologies such as VoIP, SIP, WebRTC in the context of Control Room audio communications and interfacing with TETRA and Telephone switch services

• Demonstrable experience using C# and .NET for developing communication-related software

• Proven ability to work on own initiative and as part of a team.

• Good communication skills written and oral.

• Contributor in team meetings

• Able to demonstrate ability to work to defined deadlines.

• Excellent attention to detail

• Self-motivated

• Commitment to the role

Qualifications

• 2:1 or higher Degree in Computer Science, Software Engineering or equivalent