Network Engineer C++

1 Month ago • All levels • Network Engineering

Job Summary

Job Description

Atomic Theory, part of the Rocket Science Group, is seeking a C++ Networking Engineer with AAA game development experience. The role involves designing, implementing, and optimizing network features and systems for a proprietary AAA game engine, with a focus on multiplayer server architecture and listen mode game servers. The company values proficiency in C++, strong math skills, experience in networking or game development, and a passion for video games. The position is hybrid, requiring 3 days onsite in Cardiff, United Kingdom.
Must have:
  • Proficiency in C++
  • Strong math skills
  • Networking/game development experience
  • Multiplayer network architecture experience (listen mode)
  • Designing/maintaining high-performance networking systems
  • Passion for video games
Good to have:
  • Experience with proprietary AAA game engines
  • Experience with current-gen consoles
  • Experience working on large projects/teams
  • Stakeholder collaboration experience
Perks:
  • Hybrid working arrangement
  • Competitive salary and benefits package
  • Private pension via salary sacrifice
  • Optional private medical, dental, and vision coverage
  • Annual leave plus bank holidays and winter break office closure
  • Annual research credit
  • Professional development opportunities (biannual reviews, tech talks)
  • Work-life balance focus, no crunch
  • Family-friendly policies (maternity, paternity, adoption leave)
  • Office perks (team lunches, snacks, team lounge with consoles/games)

Job Details

Please note that this is a hybrid position based in Cardiff, requiring 3 days onsite each week, with the option for remote work on the remaining days.


Part of the Rocket Science Group, Atomic Theory comprises a multinational team of seasoned AAA veterans with roots extending from Blizzard, PUBG, Epic, and Unity. We have a track record of delivering player-centric, AAA-quality experiences, and we're unwavering in our commitment to performance, accessibility, and the meticulous attention to the engineering tools and frameworks that underpin exceptional gameplay.

Atomic Theory is also more than just a studio; for us, it's a sanctuary, a place where our diverse experiences can intersect and combine to carry our solutions to the next level. We're dedicated to aiding studios and publishers in navigating the toughest challenges across today's game development landscape -- and with offices in Albany, NY; Austin, TX; and Cardiff, UK, we thrive at the opportunity to Get Sh!t Done on a global scale. 

About the Role:

We are looking for a talented C++ Networking Engineer to join our team. You will be a key contributor to upcoming video games, responsible for designing, implementing, augmenting, and optimising robust, scalable, and low-latency network features and systems for a proprietary AAA game engine. A primary focus will be on developing and maintaining multiplayer server architecture, with particular expertise in listen mode game servers. You will ensure efficient and reliable networking technology to facilitate innovative and engaging player experiences. This role requires thoroughness in every aspect of development to provide a solid foundation for exceptional gameplay.

What We Value:

  • Proficiency in C++. strong maths skills with experience in networking or game development.

  • Strong experience with multiplayer network architecture, particularly listen mode game servers.

  • Proven ability to design, implement, and maintain robust, high-performance networking systems within game environments.

  • A genuine passion for video games and a desire to contribute to creating engaging and enjoyable experiences for players.

  • Eagerness to learn about other technologies and practices to stay current and versatile.

What You May Also Have:

  • Experience working with proprietary AAA game engines.

  • Experience developing for current-generation consoles (e.g., Xbox Series X/S, PlayStation 5) is a plus.

  • Experience working with larger teams and/or collaborating on large projects.

  • Previous experience working with internal and external stakeholders to gather feedback, provide support, and problem solve.

What We Can Offer:

  • Hybrid Working Arrangement: Our office in Cardiff is located right in City Centre, just a couple minutes away from the Cardiff Central Train Station! As a member of our team, you’ll have the flexibility to work at home and collaborate with your teams in person.

  • Competitive Salary and Benefits Package: Your health and wellbeing is important to us, so we offer a variety of benefits including: 

    • Private Pension via Salary Sacrifice

    • Optional Private Medical, Dental, and Vision Coverage

    • Annual Leave, Plus Bank Holidays and Winter Break Office Closure

  • Annual Research Credit: We always encourage personal growth, so we provide all of our team members with an annual credit to further enhance your skills! 

  • Professional Development: We offer biannual reviews, as well as opportunities to collaborate across disciplines, internal tech talks, and the chance to learn from specialists with backgrounds from across the games and software development industries. 

  • Work-Life Balance: We really believe that home life comes first and we promote a flexible working environment. And as an added bonus: We don’t crunch! 

  • Family Friendly: We understand the importance of family, which is why we offer 6 weeks full of Maternity, Paternity, and Adoption Leave to support you during this exciting time!

  • Office Perks: In addition to everything above, we also provide: 

    • Weekly Team Lunches

    • Snacks, Including the Good (Yorkshire) Tea

    • Fully Equipped Team Lounge, Including our Favourite Consoles and Games

    • And, most importantly, a supportive and creative working environment made up of talented and friendly people, as well as the opportunity to work on some pretty cool games and projects – if we do say so ourselves!

A Friendly Note from the Recruitment Team:

Let us do the work for you: Even if your profile isn’t an exact match for all of the qualifications listed above, we still want you to apply. Our team members come from a variety of different industries, not all of which are immediately relevant to game or software development, and we welcome all candidates of similarly varied backgrounds, communities, and identities. 


Rocket Science is an equal opportunity employer and is committed to providing a worry-free workplace void of discrimination or harassment. Rocket Scientists are expected to foster and champion an environment in which everyone has the opportunity to feel included and is afforded the respect and dignity they deserve. 

Rocket Science does not accept unsolicited résumés from recruiters, employment agencies, or staffing firms.  

#li-hybrid

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About The Company

You know us already. We're the team (behind the team) behind many of the world's hottest games. We specialize in multiplayer, publishing platforms, server scaling, and player retention.

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Albany, New York, United States (Hybrid)

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Cardiff, Wales, United Kingdom (Hybrid)

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