28 Security jobs in Sellafield

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Security Officer

03 March 2026
Mitie - CA20 1PG
Permanent
Full time

Job Overview -To protect our customer's property, people and/or assets by providing security services in direct accordance with the sites published Assignment Instructions (AI's) and any subsequent changes. -Delivering results that meet and / or exceed the Key...

Nuclear Security Supervisor

23 February 2026
Mitie - CA20 1PG
Permanent
Full time

Security Supervisor -B229 2 days, 2 nights, 4 off Job Overview To protect our customer's property, people and/or assets by providing security services in direct accordance with the sites published Assignment Instructions (AI's) and any subsequent changes. ...

Resilience Security Officer

03 March 2026
Mitie - CA20 1PG
Permanent
Full time

Nuclear Security Supervisor

26 February 2026
Mitie - CA20 1PG
Permanent
Full time

Job Security Supervisor - HCVA 4 days, 3 nights, 4 off, 3 nights, 4 days, 4 off Job Overview -To protect our customer's property, people and/or assets by providing security services in direct accordance with the sites published Assignment Instructions (AI's) ...

Process Design Engineer

26 February 2026
Rullion - Cumbria, CA20 1PG
Contract
Full time

Job title - Process Design Engineer Duration - 12months initial Start date - Looking for someone to start in April 2026 (subject to being medically and security cleared) Shift patterns - Mon-Fri 40hours per week (hybrid - 3 days on site) Pay rate - Inside IR35...

Site Supervisor

10 March 2026
Rullion - Cumbria, CA20 1PG
Contract
Full time

Position Type: Contract - Overtime opportunity Start date/Hours: April 20256 / 8-10 hours per day Location: Sellafield Site, Cumbria (onsite only) Non-Negotiables: Must already be onsite at Sellafield Must have Security Clearance (SC) in place Period of Work: ...

Safety Practitioner

09 March 2026
Rullion - Seascale, Cumbria, CA201PG
On-site only
Contract
Full time

Job title: Safety Practitioner Job Type: Contract IR35 Status: Inside IR35 Start date: Subject to Vetting Duration: 12 Months Pay rate: Depending on experience Location: Seascale, Cumbria Hybrid/Remote Working: Fully on-site role Hours of work: 40 hours per ...

HR Liaison Officer

12 February 2026
Millbank Holdings Ltd - Ponsonby, North West, CA20 1PG
£70,000 to £75,000 per year
Permanent
Full time

Do you have experience providing HR support across large-scale projects or complex organisations in a regulated environment? Are you CIPD Level 5 qualified (or equivalent) and confident applying UK employment law in a high‑compliance setting? Are you ready to ...

Sub Project Manager (TDA)

16 February 2026
Rullion - Cumbria, CA20 1PG
Contract
Full time

Job title - Sub Project Manager Duration - 12 months initial contract Start date - ASAP (subject to being medically and security cleared) Shift patterns - Mon-Fri 40hours per week (hybrid - 3 days in office 2 days at home) Pay rate - TBC Location - Sellafield ...

Temporary Works Engineer

25 February 2026
Rullion - Whitehaven, Cumbria, CA20 1PG
£60,000 to £70,000 per year
Permanent
Full time

Job title - Temporary Works Engineer Duration - Permanent Start date - Looking for someone to start in April 2026 (subject to being medically and security cleared) Shift patterns - Mon-Fri full time (hybrid - 3 / 4 days a week in office) Pay rate - £60k - £70k...