Job Description

?Working for City Hall makes a difference to the lives of Londoners. Our staff are at the centre of long-term planning and development for our great city.
Key information
Organisation: Greater London Authority
Job title: HR Systems Manager - Success Factors Design Lead
Salary: 58,217 per annum
Grade: 9
Contract type: Fixed Term Contract for 24 Months
Reference: 2525
Team: People Function
Directorate: Corporate Resources
Interview date: w/c 6 Oct (may be subject to change)
Location: Union Street
Application closing date: Mon, 22 September 2025 at 23:59:00
Corporate Resources and Business Improvement
The Resources and Business Improvement directorate is led by Dianne Tranmer. It is responsible for: People Function, Facilities Management, Digital Experience Unit and Technology Group, Information Governance, Executive Support Team and leadership of all our shared services across the GLA Group.
About the team
At People Function, we partner with clients to transform how they manage their people through Human Capital Management (HCM) solutions. Our work enhances every stage of the employee lifecycle, ultimately driving improved business performance. As we continue to grow, we're looking for talented and enthusiastic HR leader, to expand our SuccessFactors team and help deliver large-scale transformation programs.
About the role
We're seeking a SuccessFactors HR Manager / Design Lead with deep expertise in process design, solution configuration, and integration/data migration within SuccessFactors, S/4HANA, or UKG Workforce Dimensions.
You will be solution focussed and have experience of delivering HR change from a user-centred perspective.
Ensure that HR systems design take account of corporate plans and GLA people function requirements.
Responsible for co-ordination of HR project input from GLA People function subject matter experts.
Evaluates and makes recommendations on HR technical options as appropriate, actively contributing to organisation's HR systems strategies.
What your day will look like
Working across the People Function to identify any changes in GLA People policy and procedures which may have process or systems implications.
Prepare and share GLA HR requirements, with Success Factors and other HR systems Project Manager and members of the project team at the GLA, TfL and third-party HR system suppliers.
Represent People Function teams at all HR system changes projects. Take ownership of design and requirements workgroups, scheduling and leading these workgroup meetings.
Skills, knowledge and experience
To be considered for the role you must meet the following essential criteria:
Working or implementation experience of SAP-Success Factors HR system, SAP S/4Hana and or UKG Dimensions within a large organisation.
Demonstrated experience in functional and/or technical roles within Human resources department.
Strong documentation skills (e.g., business requirements, process flows, functional specs).
Excellent analytical and problem-solving abilities with an ability to simplify complexity.
Well-developed presentation and reporting skills.
Familiar with components of Employee pay and statutory regulation.
Preferred experience criteria:
CIPD qualification or equivalent HR degree.
Behavioural Competencies

• Planning and Organising - Level 3
• Leadership Decision making - Level 2
• Working with Others - Building and Managing Relationships - Level 4

Key Contacts
Accountable to: GLA Deputy Assistant Director- HR & OD with a reporting line to GLA Success Factors Project Manager
Accountable for: GLA People function systems requirements.
Principal contacts: Directors and Assistant Directors, People Function senior managers & staff. HR systems project team, TFL HR, TfL HR systems project teams, external contractors and suppliers.
The GLA Competency Framework Guidelines further detailing each competency and the different level indicators can be found here:
How to apply
If you would like to apply for the role you will need to submit the following:

• Up to date CV
• Personal statement with a maximum of 1500 words. Please ensure you address how you demonstrate the essential criteria outlined above in the advert.

Please ensure your CV and Personal Statement have a maximum file size of 1.5MB each and upload your Personal Statement to the 'CV and Cover Letters' section' of the form, ensuring you address the technical requirements and competencies in your Personal Statement.
Word or PDF format preferred and do not include any photographs or images. Please ensure your CV and Personal Statement are saved with the job reference number as part of the naming convention (E.g., "CV - applicant name - 012345)
As part of GLA's continuing commitment to be an inclusive and equal opportunity employer we will be removing personal identifiable information from CVs and Personal Statements that could cause discrimination.
If you have questions about the role
If you wish to talk to someone about the role, the hiring manager Hytham Atallah would be happy to speak to you. Please contact them at .
If you have any questions about the recruitment process, contact the who support the GLA with recruitment.
Assessment process
Once you have submitted an application, your details will be reviewed by a panel.
If shortlisted, you'll be invited to an interview/assessment.
The interview/assessment date from: w/c 6 Oct (may be subject to change)
Equality, diversity and inclusion
London's diversity is its biggest asset, and we strive to ensure our workforce reflects London's diversity at all levels. We welcome applications from everyone regardless of age, gender, gender identity, gender expression, ethnicity, sexual orientation, faith or disability.
We particularly encourage applications from Black, Asian and Minority ethnic candidates and disabled candidates who are currently underrepresented in our workforce.
We are committed to being an inclusive employer and we are happy to consider flexible working arrangements. We would welcome applications from candidates who are seeking part time work as this role is open to job share.
Please note we are a Disability Confident Employer so for candidates who wish to be considered under the scheme and meet the essential criteria, they will automatically be invited to interview. Please note, should you require any adjustments through the process, we will accommodate as much as possible. Please contact the recruitment team for further information if required.
Benefits.
GLA staff are hybrid working up to 3 days a week in our offices and remotely depending on their role. As part of this, you will need to split your time between home working and coming into the office.
In addition to a good salary package, you will be paid every four weeks, providing frequent salary payments. We also offer an attractive range of benefits including 30 days' annual leave, interest free season ticket loan, interest free bicycle loan and a career average pension scheme.
Additional Information
Please note, all candidates will need to confirm that the information provided in this application form is true and correct. Should a candidate deliberately give false information, including the use of AI software, they understand that this would disqualify them from consideration.
Successful candidates must undergo a criminal record (DBS) check but some roles may require additional security screening.
More Support
If you have a disability which makes submitting an online application form difficult, please contact .
The GLA is proud to be a Level 2: Disability Confident employer. We are committed to becoming a more inclusive and accessible organisation, and creating a truly inclusive and accessible workplace and culture for our disabled staff. We have named Disability Equality as a key corporate priority within our EDI Strategy. We welcome and encourage applications from disabled applicants. Should you wish to opt into the scheme, please let us know during your application.
Please note all applications for this vacancy must be submitted via our online recruitment system. We do not accept CVs alone for this role. Please upload a personal statement with a maximum of 1500 words to the 'Additional Documents' section of the form, ensuring you address the following technical requirements and competencies in your personal statement. Word or PDF format preferred and do not include any photographs or images.
The GLA Competency Framework Guidelines further detailing each competency and the different level indicators can be found here: GLA competency framework.
GLA staff are hybrid working up to 3 days a week in our offices and remotely depending on their role. As part of this, you will need to split your time between home working and coming into the office.
London's diversity is its biggest asset, and we strive to ensure our workforce reflects London's diversity at all levels. We welcome applications from everyone regardless of age, gender, gender identity, gender expression, ethnicity, sexual orientation, faith, or disability.
We particularly encourage applications from Black, Asian and Minority ethnic candidates and disabled candidates who are currently underrepresented in our workforce. We are a disability confident employer who guarantee an interview to any disabled candidate who meets all of the essential criteria.
We are committed to being an inclusive employer and we are happy to consider flexible working arrangements. We would welcome applications from candidates who are seeking part time work as this role is open to job share.
In addition to a good salary package, we offer an attractive range of benefits including 30 days' annual leave, interest free season ticket loan, interest free bicycle loan and a career average pension scheme.

Skills Required