Network Systems Engineer in England

We are seeking a motivated and seasoned Network Systems Engineer who can showcase exceptional problem‑solving abilities and tackle challenging situations with minimal guidance in a fast‑paced development atmosphere. This hands‑on technical position involves collaborating with the support team to deliver proactive automation and effectively troubleshoot technical issues across our IT environment and multiple locations throughout the UK. The IT team operates out of our riverside headquarters in Oxford, offering a creative and relaxed atmosphere where teamwork drives our success. We can provide a relocation package, including moving assistance, temporary accommodation, and full support to ensure a smooth transition to your new environment. We believe in the power of face‑to‑face collaboration and encourage working from our Oxford headquarters. However, we understand that flexibility matters, so we're open to discussing hybrid options based on individual needs.

Responsibilities

• Working as part of a growing support team across multiple sites, to help direct junior support members as well as take the lead in investigating and resolving higher level issues.
• Identifying, developing and delivering IT projects to improve existing systems and processes.
• Maintaining the development of a geographically dispersed WAN and LAN, to ensure an efficient and stable development environment for the studios.
• Plan, build, configure, network solutions for the Rebellion group of companies.
• The nature of the role will require some out‑of‑hours work as necessary to minimise downtime for the rest of the business.

Requirements

• Strong working knowledge of configuring and troubleshooting Cisco networking platforms (IOS, NXOS, FTD/FMC, ISE, WLC, AnyConnect/Secure Client).
• Practical experience with routing and WAN technologies, including OSPF/BGP, NAT and enterprise WAN (e.g. DWDM).
• Solid understanding of modern network architectures (hub‑and‑spoke, VXLAN EVPN, etc.).
• Hands‑on experience with network security practices such as segmentation, ACLs and 802.1x.
• Familiarity with configuring and using monitoring platforms (e.g. PRTG, SolarWinds).
• Proven professional experience providing end‑user or systems support in a production environment.
• Knowledge of, and experience supporting, VoIP telephone systems.

It would be advantageous if you have:

• Prior Systems Administrator experience within the Games or Film industries.
• Cisco certifications (or other vendor equivalents) and experience with multiple network vendors (e.g. Juniper, Palo Alto, HP Aruba, Ubiquiti).
• Python skills for network automation and tooling.
• Experience with cloud platforms and services (Azure, AWS, etc.).
• Configuration and administration experience with FreeBSD, ZFS, FreeNAS or similar storage technologies.
• Familiarity with virtualisation technologies such as VMWare or XenServer.
• Experience working in a software development environment, including administering version control and supporting continuous build/integration workflows.

Benefits

• 22 days holidays + Christmas closure (typically 4 days) & Bank holidays (increasing with service at 5 years - one day each year until you reach 31 days).
• Private Medical Insurance, healthcare cash plan, including dental and Vision.
• Life Assurance, Income Protection & Critical Illness Cover.
• Enhanced Family Leave.
• Interest Free, Tax‑Free loans.
• Enhanced Pension Scheme.
• EAP a range of Mental Health and Wellbeing Support.
• Plus loads more... including a wide range of discounts, freebies, and social events!

Right to Work Statement

This role is only open to applicants who have the permanent right to work in the UK. We are unable to provide or take over visa sponsorship, either now or in the future. Applicants must therefore be able to demonstrate their ongoing eligibility to work in the UK without the need for employer sponsorship.

Life at Our Oxford HQ

Our riverside headquarters in Oxford places you a short walk away from the city centre. Renowned for its rich historical backdrop and esteemed educational institutions, Oxford offers a unique blend of tradition and modernity, with its beautiful architecture and green spaces. Oxford also boasts excellent transport links, making it easy to navigate both the city and the wider country. The city's train station, just a short walk from our studio, offers frequent services to London, as well as direct routes to major cities like Birmingham, Manchester, and Reading and we also offer free parking at the studio. Our open‑plan office promotes teamwork and innovation, with regular interaction with senior management and other departments, alongside access to free hot drinks, a handy tuck shop onsite and a range of local pubs, cafes and dining options nearby helping make every workday enjoyable!

Inside Rebellion

Whichever team you join at Rebellion we are proud of our open, friendly, and creative atmosphere. We love what we do, and we have fun doing it! As a big indie developer, we have complete creative freedom over our titles which allows us to work on a massive variety of projects across all the major platforms. Find out more about us here: Our size, stability, and the variety of in‑house expertise across multiple industries, makes Rebellion completely unique! We work in our own way, and we celebrate that as the key to our success. We foster an inclusive culture where you are encouraged to be yourself, to express your creativity and your talent. We are people focused and will support you in every way to can be the best at what you do. We recognise the importance of enjoying what you do and having a healthy work‑balance. We offer a friendly, creative, and relaxed working atmosphere, with sensibly managed projects and a wide variety of benefits and development opportunities for all our teams to ensure you are fully supported with your physical and Mental Well‑being. We are actively recruiting for a diverse team and continue to add to our culture of growth and inclusion. Rebellion encourages innovation in all areas, and we look forward to hearing how you can help us to be better. We encourage all demographics of culture, gender, ethnicity, neurodiversity and beyond, because a representative team makes better products.

Location: Oxford, England, United Kingdom

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Information Technology

Industries: IT Services and IT Consulting