C++ Software Engineer Portsdown West (PO17) Full-time Onsite Salary £40,000 - £60,000 25 days annual leave inclusive of up to 3 days Christmas shut-down Buy or sell up to 5 days annual leave Annual Wellbeing allowance Two pension schemes to choose from Private Medical Insurance discounts for additional family members Life Assurance scheme up to 4 x salary Share Save scheme Electric/Hybrid Car leasing scheme Cycle to work scheme Retail discounts Career development support Our Electronic Warfare Operations Support (EWOS) team. A group of over 60 engineers, scientists, and former military specialists who combine their expertise to help our customers protect their people and platforms safe while achieving their full operational potential. About the Role MASS is growing its Electronic Warfare Operations Support Group (EWOS) at Portsdown West, (Fareham, Hampshire). We are looking for a talented C++ Software Engineer with experience of working with simulation models, to aid Operational Analysis and support cutting edge research, development, and delivery projects, led by our technical customer, Dstl. This role is largely based within an in-house simulation framework (ITASE) with responsibilities to include: Developing toolsets, models, and integration activities in the ITASE framework. Incorporating or adapting additional existing Dstl data/models (e.g. signatures) into studies. Library linking, development from theory, and re-coding of existing algorithms and data. Understanding and aligning assumptions and data across components. Understanding and implementing the interactions of multiple entities in a scenario. The invaluable experience youll bring Given the complex RF environments represented in ITASE, radar knowledge is essential and highly desirable in any candidate. What we are looking for: Strong background in modelling/simulation software development. Strong C++ programming skills. Experience with Visual Studio/Windows development tools. Knowledge of RF, countermeasure and flyout simulation tools, ideally gained within a defence setting. Radar systems expertise. Background in physics, engineering or maths Clear communication skills to explain/adapt models. Supporting Skills: RF system knowledge and/or broader systems engineering experience MATLAB or Python for data analysis and visualisation Experience with MATLAB / Simulink Familiarity with Defence/Air Platform protection systems and threat systems (e.g. SAMs, IADS, Sensors, FPVs). Potential to support Operational Analysis study work. Non-negotiables: Due to the highly secure nature of the projects that you will be involved with, youmustbe: A UK National and eligible to work in the UK Eligible to obtain and maintain a UK GovernmentSC-levelsecurity clearance Who is MASS? MASS is an independent, global technology company, trusted by highly secure organisations to provide advanced, digital services that manage data and keep information safe. With our heritage in defence, we offer robust solutions to sectors where security expertise is essential. We work in partnership with customers, using skilled, technical experts. We think innovatively to provide tailored, agile and resilient solutions that secure advantage, so youre ready for digital transformation. MASS is an equal opportunities employer; we know that our people are smart, skilled and motivated and in return we provide a friendly workplace where everyone is valued and has the chance to make an impact. Join MASS and play a key role in operational analysis that strengthens defence capability and protection.