System & HR Coordinator

Sizewell C

System & HR Coordinator managing workforce systems and HR support in a nuclear energy project. Handling onboarding, attendance systems, and operational HR duties with a focus on efficiency.

Posted 5/1/2026full-time🇬🇧 United KingdomMid-LevelSenior💰 £31,508 per yearWebsite

About the role

Key responsibilities & impact

Monitor clock-in and clock-out activity for employees through our workforce management software.
Communicate with managers and HR regarding staff absence, sick leave, and lateness.
Process holiday, absences, sick leave and other types of leave, in line with Company policies, monitoring employee holiday entitlement.
Process HR elements of onboarding, including adding new starters to systems, coordinating pre‑employment checks, and supporting vetting and right‑to‑work processes.
Support the consistent and fair application of HR policies across the WJ HPC team.
Act as a point of contact for payslip queries, investigating and resolving issues.
Upload, amend and amend overtime duties, shift patterns, post adjustments and system records.
Coordinate and assist with training administration for managers, including system and process support.
Support the wider team with broader administrative requests or additional reasonable duties as required to support the business.

Requirements

What you’ll need

No specific qualifications required.
Ability to work to tight deadlines in a pressurised environment, maintaining a high level of accuracy and attention to detail.
Excellent organisation and planning skills, ability to work methodically and manage conflicting priorities.
Strong administrative/co-ordination experience within a fast-paced environment dealing with multiple and complex administrative processes.
Excellent IT skills, including MS Office (particularly Outlook, Word and Excel), and the capacity to swiftly pick up bespoke IT systems and tools.
CITB HS&E Operators certificate.
A good standard of education in Maths, English and IT.

Benefits

Comp & perks

Annual leave of 25 days + Bank holidays.
Access to Online GP Service for you and your dependants.
Life assurance scheme.
Company sick pay.
Pension Scheme 5% employer contribution.
Access to an industry leading Employee Benefits Platform offering lifestyle savings and discounts on most high street retailers.
A Reward and Recognition programme.
Employee Assistance Programme that provides a health and wellbeing support service.
Employee Referral Scheme.
Opportunity to work in a dynamic and supportive environment.
Opportunity to progress through apprenticeship programmes for professional development.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

administrative experiencecoordination experienceonboarding processesleave processingholiday entitlement monitoringpayslip query resolutionovertime managementshift pattern managementtraining administration

Soft Skills

attention to detailorganisation skillsplanning skillsability to work under pressuremethodical work approachconflict managementcommunication skills

Certifications

CITB HS&E Operators certificate