Security Architect X3

On behalf of Sellafield, we are looking for a Security Architect X3 (Outside IR35) for a 12 Month contract based Hybrid in Warrington.

Work at Sellafield Ltd, and you're not just building a career. You're embarking on a mission. Joining 11,000 people on a 100-year project transforming the Sellafield site for all the generations that follow.

We have the site at Sellafield (West Cumbria) and our office at Risley (near Warrington). Join us and you'll work shoulder-to-shoulder with industry-leading - sometimes world-leading - experts. There are generations and generations of knowledge here and people are only too willing to share it. Our culture of continuous improvement is underpinned by commitment to professional and personal development few can match.

Our relentless pursuit of excellence is reflected in our health, safety, security, resilience, and environmental performance standards as well as the quality of the products and services we deliver to our customers.

As a Security Architect, your main responsibilities will be:
. End-to-end production and formal approval of technical and procedural control standards fully aligned to NIST 800-53.
. Work closely with technical SMEs, system owners, and governance teams to ensure that every control is practical, unambiguous, and aligned with existing processes, or clearly highlights where new processes need to be introduced
. Work closely with stakeholders to ensure that each standard is developed collaboratively, reviewed thoroughly, and approved through recognised governance mechanisms.
. Maintain strong relationships with Cyber Governance Boards, Senior Information Risk Owners (SIROs), and technical leadership, ensuring that control standards are not only approved but also widely understood and supported.
. Embed Gov Assure principles into the control standards ensures that Sellafield maintains compliance with government expectations, is prepared for future assurance assessments, and demonstrates an ongoing commitment to continuous improvement in cyber maturity.

Essential:
. Must be experienced within IT and OT environments.
. Excellent stakeholder management skills
. SAP Experience

Desirable:
. SCADA experience
. Experience working within Azure
. Active Security Clearance.

Please be aware that this role can only be worked within the UK and not Overseas.

Sellafield Ltd is committed to eliminating discrimination and encouraging diversity amongst its workforce.

Disability Confident

As a member of the Disability Confident Scheme, Sellafield guarantees to interview all candidates who have a disability and who meet all the essential criteria for the vacancy. In cases where we have a high volume of candidates who have a disability who meet all the essential criteria, we will interview the best candidates from within that group. This scheme encourages candidates with a disability and/or neurodivergence to apply. In exceptional circumstances, we may also need to apply the desirable criteria in our shortlisting process which may include holding active security clearance.

Armed Forces Covenant

Sellafield guarantees to interview veterans or spouses/partners of military personnel who meet all the essential criteria for the vacancy. In cases where we have a high volume of ex-military candidates/military spouses or partners, who meet all of the essential criteria, we will interview the best candidates from within that group. In exceptional circumstances, we may also need to apply the desirable criteria in our shortlisting process which may include holding active security clearance.

In applying for this role, you acknowledge the following "this role falls in scope of the Off Payroll Working in the Public Sector legislation. Any rates of payment quoted will reflect the gross rate per day for the assignment and will be subject to appropriate taxes and statutory costs. As such the payment to the intermediary and your income resulting from this contract will be different".