Sr. Software Engineer (IMMS) in Waterlooville

OSI Maritime Systems (UK), 8-10B Dragoon House, Waterlooville, Hampshire, United Kingdom

Who are we?

At OSI Maritime Systems, we pride ourselves on delivering world‑class navigation and bridge systems. With decades of experience serving military customers, we remain at the forefront of innovation in the maritime industry. Our collaborative and dynamic environment ensures every team member contributes to advancing marine safety and operational excellence. With a global presence, we are proud to have offices in Canada, UK, Taiwan, Australia and Germany.

Responsibilities

• Seasoned Desktop C# Server Side Software Engineer.
• Rapidly creating a Greenfield product iteratively.
• Creating a Common Framework of reusable modules for the server side.
• A simple approach to ORM – understanding atomic and relational concerns.
• Desire to learn as well as share knowledge.
• Bringing wide experience from working on several large software projects with old and new codebases.
• May participate in system integration tests, trials, and acceptance tests at customer or OSI facilities.
• Writes acceptance test procedures and plans.
• Manages scope of work, schedules work, estimates effort and costs, and identifies technical risks; effectively communicates status on a regular basis to management.

Must Haves

• Greenfield C# / Worker Service.
• Server side / ORM / SQL Databases / DI / Unit Testing.
• Composable customer specific solutions.
• Current SC Clearance or ability to be SC cleared.
• Ability to work Simply, Precisely and Quickly.
• Desire to become a team expert in your area.
• Ability to understand complex software old and new.
• Ability to cut new code and prioritize time over multiple work packages.

Nice to Haves

• Managed C++ / VC++ / C.
• Defence background / experience in large Naval software systems.
• Experience working in a Fast Paced / Agile / Delivery Focused environment.
• Dealing with real time and video data.
• Use of SparxEA or other UML modeling tool.
• WPF / MVVM.

Qualifications

• A relevant degree in Software Engineering or a related subject.
• Minimum 6 years’ engineering experience in software development, ideally on an IMMS; experience in defence or government domain preferably in the maritime sector.
• Experience, Interacting with hardware devices.
• Message Based, Thick Client and N Tier software architectures.
• Ability to work in a small growing team, reaching out to the wider organization as needed.
• Excellent communication and interpersonal skills;
• Eligible to obtain and maintain a location relevant security clearance.
• Willingness and ability to travel.

Why work for OSI?

• Collaborative Culture: Work with a talented and supportive team that values innovation and teamwork.
• Diversity, Equity, and Inclusion: OSI is committed to fostering a workplace where everyone feels respected, valued, and empowered to contribute their best.
• Growth Opportunities: We invest in our employees' professional development and career growth with an annual employee driven development program.
• Competitive Benefits: Enjoy health, dental, RSP, vacation and a healthy work‑life balance environment!

If you need accommodations during the hiring process, please contact Talent Acquisition.