HR Administrator Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C
As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low‑carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Marine and Tunnels Section.
What will you do?
Principal Accountabilities, Activities and Decisions
* Coordinate onboarding, inductions, and offboarding activities.
Liaise with vetting teams and arrange IT access and new starter communications.
* Maintain applicant tracking records and coordinate interviews.
* Support recruitment administration and workforce planning activities.
* Produce payroll, allowance, and employee movement reports.
Complete allowance uploads and issue payroll reminders.
* Support HR projects and provide administrative support to HR Advisors.
Provide cover during absences and assist with ad hoc HR tasks.
* Act as a first point of contact for employee queries.
Support employee engagement and wellbeing initiatives.
* Maintain accurate HR records, trackers, and documentation.
* Process employee changes including pay, promotions, and record updates confidentially.
What are we looking for?
* Ability to collaboratively work with other teams
* Ability to work on own initiative as well as part of a team
* Ability to organise, multi‑task and prioritise
* Experience of office working
* Excellent organisational skills
* Experience of using Office 365
What we will offer you?
The CWA is a single delivery organisation made of up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues and Laing O'Rourke - which offer industry leading packages including market leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.
About Us
The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.
By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.
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