About The Company

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms. Our mission is to commercialise atom-based quantum products that provide orders of magnitude improvements in performance and computing applications.

Location

Infleqtion has offices in the USA, United Kingdom and Australia. This is a full-time position based at our Kidlington, Oxford office. Work from home permitted up to 2 days per week based on business needs and manager approval.

Purpose

The IT Systems Engineer is responsible for the day-to-day operation, administration and technical support of Infleqtion UK’s corporate IT environment.

The role provides technical escalation, supports the secure and reliable delivery of corporate IT services, and plays a key part in transitioning operational services from outsourced to internally managed delivery.

The role requires broad hands-on experience across cloud, on-premises systems, endpoints, identity, networking and core infrastructure services, with growing responsibility across infrastructure, security operations and service resilience as the UK IT function develops.

Administer Microsoft 365, Entra ID, Active Directory, Intune and associated corporate IT services
Manage identity, access and privileged-access administration
Manage endpoint configuration, patching, application deployment and security controls across supported Windows, macOS and Linux environments
Operate and maintain backup, monitoring and recovery platforms
Support the resilience, availability and performance of corporate IT systems
Act as the technical escalation point for complex incidents and service requests
Support corporate networking, wireless, firewall and connectivity services in collaboration with Platform Engineering where responsibilities overlap
Support the operation and ongoing development of UK infrastructure services in collaboration with Platform Engineering
Support virtualised and on-premises infrastructure where it forms part of the corporate IT environment
Support vulnerability remediation, endpoint security and technical cyber security controls
Take an active role in security monitoring, vulnerability management and incident response
Support the development of internal security operations capability as the UK IT function matures
Contribute to the design and implementation of secure and resilient infrastructure services
Maintain technical documentation, configuration records and operational procedures
Deliver technical elements of onboarding, offboarding and user lifecycle management
Support IT projects, infrastructure changes and technology deployments
Identify opportunities to simplify, standardise and improve IT services in line with IT strategy and priorities
Support the transition and ongoing operation of services and tooling currently delivered by managed service providers

Skills and Experience

5+ years of relevant experience in systems administration, infrastructure engineering, or a similar technical role
Strong experience administering Microsoft 365, Entra ID and Active Directory environments
Experience with Intune or comparable endpoint-management platforms
Good knowledge of Windows, macOS and Linux corporate environments
Strong understanding of identity, access control, RBAC and least-privilege principles
Strong understanding of networking concepts including LAN, WAN, VLANs, VPNs, DNS, DHCP, wireless and firewalls
Experience with virtualisation technologies such as Hyper-V or VMware
Experience with backup, recovery, monitoring and business-continuity technologies
Experience with endpoint security, vulnerability remediation and patch-management tooling
Good understanding of cloud platforms, particularly Microsoft Azure
Experience with security monitoring, vulnerability management or incident response
Familiarity with SIEM, EDR/XDR or SOC tooling
Strong troubleshooting, documentation and communication skills

Qualifications

Relevant degree, technical qualification, apprenticeship or equivalent professional experience.
Relevant Microsoft, networking, cloud or cyber security certifications are advantageous but not essential.

Travel
Up to 10% travel, including international travel, may be required

Working conditions and Physical Requirements
Work will normally be performed in an office and laboratory environment. Able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Will involve sitting, standing, walking, lifting, and carrying up to 10 kg.

Equal Opportunity
Regardless of your interest in the quantum industry, you can take pride in the fact that Infleqtion is building an ecosystem of quantum technologies and commercial products, driving the industry towards the future. Studies reveal that while men apply for jobs when they meet an average of 60% of the requirements, women and other groups tend to apply only when they meet all the criteria. If you believe you have the potential but don't meet every single point in our job advertisement, please don't hesitate to contact us! We would love to chat with you and see how you could bring great value to our team. Our goal is to find exceptional individuals who can enrich our team culture, actively contribute, and have a genuine passion for their work. Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin colour, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.

Notice to Recruitment Agencies
Infleqtion does not accept unsolicited CV's from agencies. Infleqtion is not responsible for any fees related to unsolicited CV's.

In addition to your base compensation, we offer a generous Total Rewards program which includes:

Competitive salary
Bonus Program
Incentive Stock Option Plan
Unlimited PTO subject to fair usage
Generous company 10% pension contribution regardless of employee contribution
Cycle to work scheme
Tax efficient technology schemes
BUPA Private Healthcare Insurance once probationary period is successfully completed
Life assurance (4 x salary)

Infleqtion

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