Cleaners (Rochdale) - OL16 3DRAre you a local cleaner looking for some extra work?Our leading Facilities Management client is seeking a part time cleaner to join the team in Cleaners (Rochdale). Working at a local office, you will help make sure the site is clean and tidy ready for use for all staff.Experience needed:****Must have Enhanced DBS.****Must have Cleaning experienceOverviewMonday to Friday ; 4 - 8 PMPAY RATE: £ 12.71 + Holiday (weekly pay) + Pen
Cleaners (Rochdale) - OL16 3DRAre you a local cleaner looking for some extra work?Our leading Facilities Management client is seeking a part time cleaner to join the team in Cleaners (Rochdale). Working at a local office, you will help make sure the site is clean and tidy ready for use for all staff.Experience needed:****Must have Enhanced DBS.****Must have Cleaning experienceOverviewMonday to Friday ; 4 - 8 PMPAY RATE: £ 12.71 + Holiday (weekly pay) + Pen
Randstad are recruiting for a Site Agent on a 12 month Rail project in South London / Surrey Borders. The Site Agent you will be responsible for all Site Civils Drainage and GroundworksDuties will include:Managing site site engineers Subcontractor ManagementPlanning, forecasting and delivering workLiaising with clients and stakeholdersDeveloping programmes, Risk assessments, Quality assurance.Managing design, NCRs, RFI's, H&S etc. Rate is Inside IR35 £500
Randstad are recruiting for a Site Agent on a 12 month Rail project in South London / Surrey Borders. The Site Agent you will be responsible for all Site Civils Drainage and GroundworksDuties will include:Managing site site engineers Subcontractor ManagementPlanning, forecasting and delivering workLiaising with clients and stakeholdersDeveloping programmes, Risk assessments, Quality assurance.Managing design, NCRs, RFI's, H&S etc. Rate is Inside IR35 £500
I am working with one of my clients who are looking for a reliable cleaner to join their team in Hastings. We need someone who has high standards in cleaning.Benefits:Weekly payPotential for long term workCleaner needed-HastingsPay: £12.71+ Holiday PayLocation:Hastings Magistrates Court, TN34 1NDShift: 3pm to 6pm (Monday to Friday)Contract: 6th July - 30th Sep 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure everything i
I am working with one of my clients who are looking for a reliable cleaner to join their team in Hastings. We need someone who has high standards in cleaning.Benefits:Weekly payPotential for long term workCleaner needed-HastingsPay: £12.71+ Holiday PayLocation:Hastings Magistrates Court, TN34 1NDShift: 3pm to 6pm (Monday to Friday)Contract: 6th July - 30th Sep 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure everything i
I am working with one of my clients who are looking for a reliable cleaner to join their team in Worcester. We need someone who has high standards in cleaning.Benefits:Weekly payPotential for long term workCleaner needed-Worcester- WR1 1EQ Pay: £12.71+ Holiday PayLocation: Worcester Combined Court, WR1 1EQ Shift: 7am to 12pm (Monday to Friday)Contract: 20th July- 7th Aug 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure e
I am working with one of my clients who are looking for a reliable cleaner to join their team in Worcester. We need someone who has high standards in cleaning.Benefits:Weekly payPotential for long term workCleaner needed-Worcester- WR1 1EQ Pay: £12.71+ Holiday PayLocation: Worcester Combined Court, WR1 1EQ Shift: 7am to 12pm (Monday to Friday)Contract: 20th July- 7th Aug 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure e
Randstad C&P are currently recruiting for a Document Controller on behalf of a national client in Middlesbrough.The Package:Competitive salary up to £33,000 per annumFull-time and permanentMonday to Friday, 42.5 hours per weekgenerous company pension scheme Hours: 37.5 hours per week (Monday to Friday)34 days annual holidays including bank holidays The Duties:Managing the controlled flow of drawings, models, and technical information through the project Co
Randstad C&P are currently recruiting for a Document Controller on behalf of a national client in Middlesbrough.The Package:Competitive salary up to £33,000 per annumFull-time and permanentMonday to Friday, 42.5 hours per weekgenerous company pension scheme Hours: 37.5 hours per week (Monday to Friday)34 days annual holidays including bank holidays The Duties:Managing the controlled flow of drawings, models, and technical information through the project Co
Job Title: Contract Quantity Surveyor (Tier 1 Main Contractor)Location: White City, LondonContract Length: 3-9 months (with potential for extension)Start Date: ImmediateRate: Competitive (Dependent on experience)About the OpportunityLooking to get your foot in the door with a massive, globally recognized Tier 1 Main Contractor? This is your chance. We are seeking a sharp, detail-oriented Contract Quantity Surveyor for an immediate start at our major projec
Job Title: Contract Quantity Surveyor (Tier 1 Main Contractor)Location: White City, LondonContract Length: 3-9 months (with potential for extension)Start Date: ImmediateRate: Competitive (Dependent on experience)About the OpportunityLooking to get your foot in the door with a massive, globally recognized Tier 1 Main Contractor? This is your chance. We are seeking a sharp, detail-oriented Contract Quantity Surveyor for an immediate start at our major projec
Labourer required for a start in ShiptonRandstad required a Labourer in Shipton Pay: £17 an hourHours: 07.30 - 16.30Duties:Helping move materials around siteCleaning site and generally tidying of siteHelping out skilled tradesmen on a new build residential site.Must be proactive and have a can do attitudeMust have a car and valid driving licenseJob imediate start, Must have 2 references and a valid in date CSCS.If you are interested call Randstad 0161 245
Labourer required for a start in ShiptonRandstad required a Labourer in Shipton Pay: £17 an hourHours: 07.30 - 16.30Duties:Helping move materials around siteCleaning site and generally tidying of siteHelping out skilled tradesmen on a new build residential site.Must be proactive and have a can do attitudeMust have a car and valid driving licenseJob imediate start, Must have 2 references and a valid in date CSCS.If you are interested call Randstad 0161 245
🔧 HVAC Mobile Maintenance Engineer - Mobile Contract, London 🏙️ Are you an experienced HVAC Mechanical Maintenance Engineer looking for a stable opportunity in London? Join our team on a mobile contract with excellent potential for a long-term role! The Role We're seeking skilled engineers to perform planned and reactive mechanical maintenance on HVAC systems across various commercial sites in London. This is a temp-to-perm position, offering a clear pat
🔧 HVAC Mobile Maintenance Engineer - Mobile Contract, London 🏙️ Are you an experienced HVAC Mechanical Maintenance Engineer looking for a stable opportunity in London? Join our team on a mobile contract with excellent potential for a long-term role! The Role We're seeking skilled engineers to perform planned and reactive mechanical maintenance on HVAC systems across various commercial sites in London. This is a temp-to-perm position, offering a clear pat
Construction ManagerLocation: Raynesway, Derby DE21 7BGJob Family: Construction ManagementReports To: Senior / Project ManagerRole PurposeWe are seeking an experienced, driven, and safety-conscious Construction Manager to lead, plan, and deliver large-scale site activities (projects typically up to £50m). You will be responsible for leading a multi-disciplinary team to safely and sustainably deliver construction works to programme, cost, and quality standa
Construction ManagerLocation: Raynesway, Derby DE21 7BGJob Family: Construction ManagementReports To: Senior / Project ManagerRole PurposeWe are seeking an experienced, driven, and safety-conscious Construction Manager to lead, plan, and deliver large-scale site activities (projects typically up to £50m). You will be responsible for leading a multi-disciplinary team to safely and sustainably deliver construction works to programme, cost, and quality standa
Join a leading FM company as a fabric engineer/handyperson in SW London.This is an exciting opportunity for individuals who are passionate about maintenance and repair work to thrive on a large site.Monday - Friday (8am - 5pm) plenty of overtime available on site.£32,000 + company benefitsLarge static siteResponsibilities:Painting and DecoratingCarpentry - Door hangingBasic electrical - lamp/ballast changesAssembling furniture Basic PlumbingDrainage & fl
Join a leading FM company as a fabric engineer/handyperson in SW London.This is an exciting opportunity for individuals who are passionate about maintenance and repair work to thrive on a large site.Monday - Friday (8am - 5pm) plenty of overtime available on site.£32,000 + company benefitsLarge static siteResponsibilities:Painting and DecoratingCarpentry - Door hangingBasic electrical - lamp/ballast changesAssembling furniture Basic PlumbingDrainage & fl
Senior Caretaker / Site Manager - MiddlesbroughAre you a reliable cleaner looking for a local role? We are seeking a hardworking individual to join a leading Facilities Management team for temporary cleaner roles in Middlesbrough (TS6 9AG) Location:Middlesbrough Shifts: Monday - FridayWould be shift work - some weeks would be 06am - 14:00 Payrate: £16 / £17 per hour Will need PVG or be willing to apply for one - so no criminal convictions \Would need
Senior Caretaker / Site Manager - MiddlesbroughAre you a reliable cleaner looking for a local role? We are seeking a hardworking individual to join a leading Facilities Management team for temporary cleaner roles in Middlesbrough (TS6 9AG) Location:Middlesbrough Shifts: Monday - FridayWould be shift work - some weeks would be 06am - 14:00 Payrate: £16 / £17 per hour Will need PVG or be willing to apply for one - so no criminal convictions \Would need
Caretaker / Maintenance Assisstant - MiddlesbroughAre you a reliable cleaner looking for a local role? We are seeking a hardworking individual to join a leading Facilities Management team for temporary cleaner roles in Middlesbrough (TS6 9AG) Location:Middlesbrough Shifts: Monday - FridayWould be shift work - some weeks would be 06am - 14:00 and others would be 11am - 19:00pm Payrate: £13.54 / £15.17 per hour Will need PVG or be willing to apply for on
Caretaker / Maintenance Assisstant - MiddlesbroughAre you a reliable cleaner looking for a local role? We are seeking a hardworking individual to join a leading Facilities Management team for temporary cleaner roles in Middlesbrough (TS6 9AG) Location:Middlesbrough Shifts: Monday - FridayWould be shift work - some weeks would be 06am - 14:00 and others would be 11am - 19:00pm Payrate: £13.54 / £15.17 per hour Will need PVG or be willing to apply for on
Are you a proactive individual who is highly skilled with hands-on maintenance? If so we are currently searching for a Facilities Maintenance Technician to oversee the physical integrity and operational efficiency for a global medical device company. This is a dynamic role designed for an adaptable professional who thrives in a high-response environment.You will be responsible for a diverse range of maintenance disciplines, ensuring that site infrastructur
Are you a proactive individual who is highly skilled with hands-on maintenance? If so we are currently searching for a Facilities Maintenance Technician to oversee the physical integrity and operational efficiency for a global medical device company. This is a dynamic role designed for an adaptable professional who thrives in a high-response environment.You will be responsible for a diverse range of maintenance disciplines, ensuring that site infrastructur
Job Title: Site Manager-ResidentialLocation: Sloughupcoming long term ContractCompetitive Day Rate depending on experienceAbout the OpportunityWe ae lokoing for a proven residential construction professional Site Manager to join a flagship project in Slough, who possess deep residential experience and fundamentally understand the client's uncompromising quality, meticulous attention to detail, and premium customer service.Key ResponsibilitiesLead on-site c
Job Title: Site Manager-ResidentialLocation: Sloughupcoming long term ContractCompetitive Day Rate depending on experienceAbout the OpportunityWe ae lokoing for a proven residential construction professional Site Manager to join a flagship project in Slough, who possess deep residential experience and fundamentally understand the client's uncompromising quality, meticulous attention to detail, and premium customer service.Key ResponsibilitiesLead on-site c
Randstad UK CPE team is currently recruiting Traffic Marshall for a residential project in Maidenhead.Job Title: Traffic Marshall (Construction)Location: Maidenhead, SL6Pay Rate: £17.00 - £18.00 per hourTempKey ResponsibilitiesGuiding vehicles and heavy machinery through designated routes to ensure smooth traffic flow.Using hand signals, signs, and radios to communicate clearly with drivers and operators.Monitoring the site for obstructions or unsafe cond
Randstad UK CPE team is currently recruiting Traffic Marshall for a residential project in Maidenhead.Job Title: Traffic Marshall (Construction)Location: Maidenhead, SL6Pay Rate: £17.00 - £18.00 per hourTempKey ResponsibilitiesGuiding vehicles and heavy machinery through designated routes to ensure smooth traffic flow.Using hand signals, signs, and radios to communicate clearly with drivers and operators.Monitoring the site for obstructions or unsafe cond
Randstad is currently looking for a Labourer based in Haverfordwest for a project starting ASAP. If you are interested please see further details.Key Skills / Responsibilities:Maintaining site tidyAssisting trades on siteGeneral site labouring dutiesReporting in to site management team Requirements:Valid CSCS card Own PPEA good attitude & strong work ethicHealth and safety knowledgeRelevant experience and references from previous contractors Benefits:Comp
Randstad is currently looking for a Labourer based in Haverfordwest for a project starting ASAP. If you are interested please see further details.Key Skills / Responsibilities:Maintaining site tidyAssisting trades on siteGeneral site labouring dutiesReporting in to site management team Requirements:Valid CSCS card Own PPEA good attitude & strong work ethicHealth and safety knowledgeRelevant experience and references from previous contractors Benefits:Comp
POSITION | Sales Business Growth Analyst REPORTING TO | Sales Director HOURS OF WORK | 9.00am to 5.30pm LOCATION | Hybrid / Richmond DEPARTMENT | Sales & Marketing QUALIFICATION LEVEL | 'A' Levels and/or Vocational Qualification @ level 3 (e.g. ATPI) GRADE | 5 Company Profile The Vegner Group is a property service group established in 1991. With over 30 years' experience the business specialises in the
POSITION | Sales Business Growth Analyst REPORTING TO | Sales Director HOURS OF WORK | 9.00am to 5.30pm LOCATION | Hybrid / Richmond DEPARTMENT | Sales & Marketing QUALIFICATION LEVEL | 'A' Levels and/or Vocational Qualification @ level 3 (e.g. ATPI) GRADE | 5 Company Profile The Vegner Group is a property service group established in 1991. With over 30 years' experience the business specialises in the
Property ManagerHours of Employment: 9.00am - 5.30pmLocation: Rainham, Essex PROPERTY MANAGEMENTDrafting and serving S20 notices for major works.Manage portfolio in accordance with RICS Codes of Practice, ARMA rules and landlord and tenant legislation.To provide a full professional property management services for a portfolio of freehold/leasehold developments and individual properties on behalf of freehold clients, Developers and Resident Management Com
Property ManagerHours of Employment: 9.00am - 5.30pmLocation: Rainham, Essex PROPERTY MANAGEMENTDrafting and serving S20 notices for major works.Manage portfolio in accordance with RICS Codes of Practice, ARMA rules and landlord and tenant legislation.To provide a full professional property management services for a portfolio of freehold/leasehold developments and individual properties on behalf of freehold clients, Developers and Resident Management Com
Contract Manager - Iconic London LandmarkLocation: Central LondonSalary: Up to £75,000 + packageContract: Permanent: Monday - Friday: 8am - 5pmThe OpportunityAre you an accomplished technical leader with a track record of managing complex, high-profile public assets?We are seeking a premier-standard Technical Contract Manager to take complete operational, commercial, and technical ownership of a world-famous heritage and public visitor estate in Central Lo
Contract Manager - Iconic London LandmarkLocation: Central LondonSalary: Up to £75,000 + packageContract: Permanent: Monday - Friday: 8am - 5pmThe OpportunityAre you an accomplished technical leader with a track record of managing complex, high-profile public assets?We are seeking a premier-standard Technical Contract Manager to take complete operational, commercial, and technical ownership of a world-famous heritage and public visitor estate in Central Lo
Property Manager Location: Rainham, Essex (with Flexible/Hybrid Working) Package: Competitive Basic Salary + up to 10% Performance Bonus + 25 Days Holiday + Excellent BenefitsAre you an experienced Block Manager or Property Manager looking for an environment where your hard work is actually supported?We are a leading, award-winning national property management provider with over 50 years of industry excellence. More importantly, we care about our people.
Property Manager Location: Rainham, Essex (with Flexible/Hybrid Working) Package: Competitive Basic Salary + up to 10% Performance Bonus + 25 Days Holiday + Excellent BenefitsAre you an experienced Block Manager or Property Manager looking for an environment where your hard work is actually supported?We are a leading, award-winning national property management provider with over 50 years of industry excellence. More importantly, we care about our people.
Randstad are looking for an experienced Carpenter within the Bristol area with skills in 1st and 2nd fix carpentryJob description:- 1st and 2nd Fix Carpenter- Hanging doors- Cutting in strips- Installing sleeps- Kitchen fitting- Studwork- Skirting- Architrave- Remedial works- Joinery Benefits: - A competitive pay rate - Overtime opportunities - Offers of continuing work with the same contractor following the completion of the project - Added
Randstad are looking for an experienced Carpenter within the Bristol area with skills in 1st and 2nd fix carpentryJob description:- 1st and 2nd Fix Carpenter- Hanging doors- Cutting in strips- Installing sleeps- Kitchen fitting- Studwork- Skirting- Architrave- Remedial works- Joinery Benefits: - A competitive pay rate - Overtime opportunities - Offers of continuing work with the same contractor following the completion of the project - Added
I am working with one of my clients who are looking for a reliable cleaner to join their team in Huddersfield.We need someone who has high standards in cleaning and BASIC DBSPay: £12.71Location: : Kirklees Magistrates Court HD1 2NShift : 7am - 9 amContract: 1st July - 10th July 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure everything is cleanRequired experience:Must have cleaning experience and DBS.If this is somethi
I am working with one of my clients who are looking for a reliable cleaner to join their team in Huddersfield.We need someone who has high standards in cleaning and BASIC DBSPay: £12.71Location: : Kirklees Magistrates Court HD1 2NShift : 7am - 9 amContract: 1st July - 10th July 2026Duties involve:General cleaning of buildingHoover, dusting, and moppingMake sure everything is cleanRequired experience:Must have cleaning experience and DBS.If this is somethi
Cleaner - Sheffield (S3 8PH)- Immediate startAre you a local cleaner looking for some extra work?Are you hard working, reliable and looking for work with a leading employer?Our leading Facilities Management client is seeking a part time cleaner to join the team in Sheffield (S3 8PH). Working at a local office, you will help make sure the site is clean and tidy ready for use for all staff.Must have:****Updated DBS****Cleaning experience in the UKOverviewASA
Cleaner - Sheffield (S3 8PH)- Immediate startAre you a local cleaner looking for some extra work?Are you hard working, reliable and looking for work with a leading employer?Our leading Facilities Management client is seeking a part time cleaner to join the team in Sheffield (S3 8PH). Working at a local office, you will help make sure the site is clean and tidy ready for use for all staff.Must have:****Updated DBS****Cleaning experience in the UKOverviewASA
Mechanical Maintenance Engineer - High-End CommercialLocation: City of LondonEmployer: Leading Independent Building Services SpecialistSalary: £48,000 + on call + unlimted overtime Hours: Monday - Friday: 8am - 5pmThe OpportunityWe are seeking a technically proficient Mechanical Maintenance Engineer with multi-skilled capabilities to join the resident team at a prestigious, high-spec commercial development in Central London.Our client is a privately owned,
Mechanical Maintenance Engineer - High-End CommercialLocation: City of LondonEmployer: Leading Independent Building Services SpecialistSalary: £48,000 + on call + unlimted overtime Hours: Monday - Friday: 8am - 5pmThe OpportunityWe are seeking a technically proficient Mechanical Maintenance Engineer with multi-skilled capabilities to join the resident team at a prestigious, high-spec commercial development in Central London.Our client is a privately owned,
Job Title: Document ControllerLocation: Southampton (Hybrid/Office-based)Position Type: PermanentSalary: Competitive + Excellent BenefitsRole OverviewWe are seeking an experienced Document Controller for a leading, tier-one UK construction group to support major, long-term projects in Southampton. You will manage, distribute, and archive all technical and commercial project documentation, ensuring full compliance with industry standards.Key Responsibilitie
Job Title: Document ControllerLocation: Southampton (Hybrid/Office-based)Position Type: PermanentSalary: Competitive + Excellent BenefitsRole OverviewWe are seeking an experienced Document Controller for a leading, tier-one UK construction group to support major, long-term projects in Southampton. You will manage, distribute, and archive all technical and commercial project documentation, ensuring full compliance with industry standards.Key Responsibilitie
Multi-Skilled Shift Engineer (Electrical/Mechanical)We are seeking two dedicated and highly skilled Multiskilled Engineers to join the estates team at a major Acute Hospital in Birmingham. This role is essential for ensuring the hospital's mechanical and electrical services are maintained to the highest standards, directly supporting the delivery of critical NHS services.Role OverviewHourly Rate: £23.00 per hour.Working Hours: Monday to Friday, 14:00 to 22
Multi-Skilled Shift Engineer (Electrical/Mechanical)We are seeking two dedicated and highly skilled Multiskilled Engineers to join the estates team at a major Acute Hospital in Birmingham. This role is essential for ensuring the hospital's mechanical and electrical services are maintained to the highest standards, directly supporting the delivery of critical NHS services.Role OverviewHourly Rate: £23.00 per hour.Working Hours: Monday to Friday, 14:00 to 22
Mechanical Maintenance Engineer - West Ferry/East LondonJoin the team as a Mechanical Maintenance Engineer at a prestigious commercial office space in East London.Location: Static site, Westferry London.Hours: Monday - Friday,Salary: £48,000 per annum + optional overtime.Key Responsibilities:PPM & reactive maintenance on HVAC, plumbing, and building services.Maintaining and servicing pumps, motors, and other mechanical plant.Fault-finding and repairs.Ensur
Mechanical Maintenance Engineer - West Ferry/East LondonJoin the team as a Mechanical Maintenance Engineer at a prestigious commercial office space in East London.Location: Static site, Westferry London.Hours: Monday - Friday,Salary: £48,000 per annum + optional overtime.Key Responsibilities:PPM & reactive maintenance on HVAC, plumbing, and building services.Maintaining and servicing pumps, motors, and other mechanical plant.Fault-finding and repairs.Ensur
Electrical maintenance engineer Are you an experienced, fully qualified electrical maintenance engineer looking for a new challenge? Monday - Friday 8am - 5pm£47,000 + plenty of overtimeStatic site - Central LondonProgression and further training PPM (Planned Preventative Maintenance) and reactive issues on site Power distribution, lighting, emergency lighting, and control systems.Flushing Fault-finding, diagnosis, and repairsDealing with contractorsRequir
Electrical maintenance engineer Are you an experienced, fully qualified electrical maintenance engineer looking for a new challenge? Monday - Friday 8am - 5pm£47,000 + plenty of overtimeStatic site - Central LondonProgression and further training PPM (Planned Preventative Maintenance) and reactive issues on site Power distribution, lighting, emergency lighting, and control systems.Flushing Fault-finding, diagnosis, and repairsDealing with contractorsRequir
Catering Assistant / Chef Cover OpportunityWe are seeking a qualified and detail-oriented Chef / Cook to join a fast-paced patient services team at a large healthcare facility. This temporary role is essential for delivering fresh, high-quality meals to both patient feeding sectors and retail operations.Role OverviewBase Pay Rate: £17 an hourWeekend Uplifts: 30% uplift for Saturday shifts / 60% uplift for Sunday shifts.Hours: 37.5 hours per week.Shift Patt
Catering Assistant / Chef Cover OpportunityWe are seeking a qualified and detail-oriented Chef / Cook to join a fast-paced patient services team at a large healthcare facility. This temporary role is essential for delivering fresh, high-quality meals to both patient feeding sectors and retail operations.Role OverviewBase Pay Rate: £17 an hourWeekend Uplifts: 30% uplift for Saturday shifts / 60% uplift for Sunday shifts.Hours: 37.5 hours per week.Shift Patt
New Labourer position available at Randstad CPE 01622 357230 Position: LabourerLocation: Arundel, West SussexPay rate: Up to £16.55 per hour depending on experience and payment method (PAYE or umbrella)Contract: TemporaryStart date: July 2026Contact: Shaye 01622 357230 (option 1) This role will involve working on a busy new build construction site and have a wide variety of duties from clearing materials, unloading deliveries, checking safety systems are s
New Labourer position available at Randstad CPE 01622 357230 Position: LabourerLocation: Arundel, West SussexPay rate: Up to £16.55 per hour depending on experience and payment method (PAYE or umbrella)Contract: TemporaryStart date: July 2026Contact: Shaye 01622 357230 (option 1) This role will involve working on a busy new build construction site and have a wide variety of duties from clearing materials, unloading deliveries, checking safety systems are s