Overview
Senior HR Advisor Remote (Part-Time, Fixed-Term) Up to GBP50,000 (pro-rated for part-time)
Hours: 30 per week, across 4 or 5 days Contract: 14-month Fixed Term
At TwinStream, we bring technical excellence and exceptional service to our clients across government and industry. Founded in 2019 by engineers passionate about solving complex cross-domain challenges, we ve grown into a dynamic consultancy where people are at the heart of everything we do.
Our teams work both remotely and on client sites, but we re united by a culture that values flexibility, collaboration, and continuous improvement.
The Senior HR Advisor opportunity
We re looking for a Senior HR Advisor to join our growing People team. This is a hands-on, varied role where you ll be the go-to expert for HR operations, employee lifecycle processes, and compliance.
If you enjoy shaping processes, building HR systems from the ground up, and making a tangible impact in a scaling organisation, this is the role for you.
Why join us?
* Competitive pension plan 8% employer contribution
* Private medical healthcare including dental & optical for you and your family
* Learning & development autonomy to drive your own career growth
* Flexible working integrate work with life seamlessly
* Electric vehicle scheme salary sacrifice for sustainability
* Generous holiday 28 days + bank holidays
* Life assurance & cycle-to-work scheme
* Team events summer socials, Christmas parties, and quarterly get-togethers
Key Responsibilities of the Senior HR Advisor
* Acting as the first point of contact for employee queries, providing expert guidance.
* Drafting contracts, managing changes, and supporting smooth onboarding and offboarding.
* Coordinating compliance checks and ensuring adherence to UK employment law and GDPR.
* Managing and improving HR systems and people data, providing insights to the business.
* Administering employee benefits and supporting cross-functional processes with Finance, IT, and Admin.
* Leading process improvements in HR operations, including sourcing and implementing a new HRIS.
* Partnering with the CPO on people-focused projects to support business growth.
About you
* Strong experience in HR operations or generalist roles, ideally in a start-up or scaling business.
* Solid knowledge of UK employment law and HR compliance.
* Confidence working with HR systems (e.g. BambooHR, HiBob or similar).
* A detail-oriented, process-driven mindset with the ability to streamline workflows.
* Excellent communication skills and discretion when handling sensitive information.
Important to know
Due to the nature of some of our clients, this role is subject to successful completion of a security screening process.
Ready to shape the future of HR at TwinStream?
Apply now and help us build a people experience that truly makes a difference.
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