Sales jobs in Dunfermline

Displaying 1-50 of 68 jobs

Refine search

Your current filters

Remove search filter Dunfermline, Fife (up to 250 miles) Remove search filter £201 - £300 per day Remove search filter Posted in the last 3 days Clear all Clear all filters

The position you are looking for is no longer available, but here are some similar jobs that might interest you

  1. Sales Manager

    Posted yesterday by TDRS

    Remote job
    Salary:
    £20 - £40/hour
    Location:
    Edinburgh (13 miles)
    Job Type:
    Permanent

    Sales Manager. Edinburgh. A small but expanding door maintenance specialist is currently looking to bolster its sales team and is, therefore, targeting an industry experienced Sales Manager to join their thriving business. A generous basic salary is on offer as well as an uncapped commission … more

    Apply Now
  2. Business Development Manager - Contract Sales

    Posted yesterday by Perigon Search Ltd

    Salary:
    £45,000 - £55,000/annum
    Location:
    Edinburgh (13 miles)
    Job Type:
    Permanent

    Have you been working in Fire & Security sector? Feel like it's time to take your business development skills to a fresh company. If this is something you've been considering, then this position could be the rare opportunity you've been waiting for. Using your industry expertise and dynamic sales … more

    Apply Now
  3. Key Account Manager

    Posted yesterday by Evolve Selection

    Location:
    EH1, Edinburgh, City of Edinburgh (13 miles)
    Job Type:
    Permanent

    Evolve have partnered with a renowned pharmaceutical organisation that specialise within Urology and Gastroenterology. They are on the search for an enthusiastic Key Account Manager to join their team to cover the East of Scotland. In this pivotal role, you'll engage with a diverse range of … more

    Apply Now
  4. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Perth, Perth and Kinross (22 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  5. Business Development Manager

    Posted yesterday by Realise Recruitment

    Quick apply
    Salary:
    £30,000 - £80,000/annum
    Location:
    ML1, Motherwell, North Lanarkshire (28 miles)
    Job Type:
    Permanent

    Business Development Manager / Field Sales Executive. Up to £30,000 DOE + high uncapped OTE. We are recruiting for a Field Sales Business Development role with a company who offer a wide range of business tech services such as Security (CCTV, Intruder Alarms, Access Control, Fire Systems) Telecoms … more

  6. B2B Telesales Account Manager

    Posted yesterday by Realise Recruitment

    Quick apply
    Salary:
    £25,000 - £80,000/annum Starting base £25k OTE £35k - £80
    Location:
    ML4, Bellshill, North Lanarkshire (28 miles)
    Job Type:
    Permanent

    B2B Telesales Account Manager. Starting base £25,000, OTE £35,000 - £80,000. We are looking for an experienced B2B Telesales Executive for our client in Bellshill. A previous background in outbound B2B telesales is required, with experience in most B2B / SME sales areas being of interest as the … more

  7. IT Sales Executive

    Posted yesterday by Realise Recruitment

    Quick apply
    Salary:
    £30,000 - £60,000/annum
    Location:
    G1, Glasgow, Glasgow City (34 miles)
    Job Type:
    Permanent

    IT Sales Executive. Up to £30,000 DOE. OTE £50,000, uncapped with excellent accelerators. We are looking for an experienced IT Sales Account Manager for an excellent opportunity with a leading IT reseller in Glasgow. Applicants must have proven experience specifically within an IT reseller account … more

  8. Sales Design Consultant

    Posted 8 hours ago by Clearview Home Improvements

    Location:
    Carlisle (83 miles)
    Job Type:
    Permanent

    Join Our Innovative Team. Sales Design Consultant - New Living Space. Cumbria and Northwest England. OTE: £65K+ | Creative Compensation Package: Base + Commission | Company Car/ Car Allowance | Onsite training using the latest technology support tools | Flexible working and continuous professional … more

    Apply Now
  9. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Aberdeen, Aberdeen City (90 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  10. Account Manager

    Posted yesterday by Talent84 LTD

    Salary:
    £45,000 - £55,000/annum
    Location:
    AB2, Danestone, Aberdeen City (90 miles)
    Job Type:
    Permanent

    Account Manager, Aberdeen. Salary £45,000-£55,000 per annum. Talent84 are delighted to be supporting an innovative manufacturing client, an industry leader in the global sealing industry, with their search for an Account Manager. Reporting to the National Sales Manager, the successful candidate … more

    Apply Now
  11. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Penrith, Cumbria (100 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  12. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Stanley, County Durham (108 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  13. Business Development Manager

    Posted yesterday by Interaction Recruitment

    Salary:
    £55,000 - £65,000/annum
    Location:
    Houghton le Spring (115 miles)
    Job Type:
    Permanent

    Job Title: Business Development Manager. Location: Houghton Le Spring, with extensive travel across Northern England. Salary: £55,000.00-£65,000.00 per year. Benefits: Company pension, Cycle to work scheme, Free or subsidised travel, Free parking, Life insurance, On-site gym, On-site parking, Sick … more

    Apply Now
  14. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Durham, County Durham (115 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  15. Window and Door Sales Consultant

    Posted 8 hours ago by Clearview Home Improvements

    Location:
    Kendal (123 miles)
    Job Type:
    Permanent

    Join Our Journey: Window & Door Sales Consultant - Spark Your Success with Us. Opportunities Available: Employed & Self-Employed Roles. Cumbria and the Northwest England. Creative Compensation Package: Base + Commission | Company Car/ Car Allowance| Onsite training using the latest technology … more

    Apply Now
  16. Business Development Manager

    Posted yesterday by Shorterm Group

    Location:
    Billingham, County Durham (133 miles)
    Job Type:
    Permanent

    Shorterm Group are currently looking to recruit a Business Development Manager on behalf of their client based in Billingham, Teesside. This is a full time permanent position. Responsibilities. Identify opportunities / markets and assess all opportunities for the business. Contribute to an … more

    Apply Now
  17. Business Development Manager

    Posted yesterday by Talent84 LTD

    Salary:
    £60,000/annum company car, excellent bonus
    Location:
    TS1, Middlesbrough, North Yorkshire (135 miles)
    Job Type:
    Permanent

    Business Development Manager, Teesside. Salary circa £60,000 per annum, company car & excellent bonus. Talent84 are delighted to be supporting an innovative manufacturing client, an industry leader in the global sealing industry, with their search for a Business Development Manager. Reporting to … more

    Apply Now
  18. Business Development Manager

    Posted yesterday by ARV Solutions Contracts

    Remote job
    Salary:
    £50,000 - £100,000/annum Car allowance, Commission, extra be
    Location:
    Ripon, North Yorkshire (155 miles)
    Job Type:
    Permanent

    Business Development Manager. Circa £50,000 ote £100,000 + plus Car Allowance. Business Development Manager now required to join an international company who manufacturer steel products for Oil and Gas, Petrochem industry. This is a fantastic opportunity to sell high end solutions with typical … more

    Apply Now
  19. Business Development Manager

    Posted 10 hours ago by Eileen Richards Recruitment

    Salary:
    £30,000 - £60,000/annum
    Location:
    Blackpool, Lancashire (156 miles)
    Job Type:
    Permanent

    Business Development Manager. £30,000p.a. + uncapped commission GUARENTEE of £60k min in first 12 months. Covering Blackpool & Preston. Are you an experienced sales professional with a proven track record of hunting new business. Do you possess a consultative 'value based' sales approach. Are you … more

    Apply Now
  20. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Blackpool, Lancashire (156 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  21. FMCG Sales Manager

    Posted today by Axon Moore

    Salary:
    £60,000/annum £30k OTE
    Location:
    Blackburn (167 miles)
    Job Type:
    Permanent

    FMCG Sales Manager: Darwen: Salary circa £60k+ OTE's of an additional £30k per annum. Axon Moore have partnered with one of East Lancashire's most innovative and successful manufacturing organisations on the search for an experienced FMCG Sales Manager. This role will be working closely with Senior … more

    Apply Now
  22. Sales Manager Business Development Manager

    Posted yesterday by Logic recruiting

    Salary:
    £45,000 - £70,000/annum Plus other brilliant benefits
    Location:
    LS22, Linton, City and Borough of Leeds (168 miles)
    Job Type:
    Permanent

    Sales Manager. Office based in Wetherby. Mon - Friday. Salary: £70K (basic and OTE. Job overview. To oversee and drive the sales activities related to investment products or services within the company. Responsible for developing and executing sales strategies to attract new investors, retain … more

    Apply Now
  23. Window & Door Sales Consultant

    Posted 8 hours ago by Orion Windows

    Location:
    York (171 miles)
    Job Type:
    Permanent

    Join Our Journey: Window & Door Sales Consultant - Spark Your Success with Us. York. Opportunities Available: Employed & Self-Employed Roles. Creative Compensation Package: Base + Commission | Company Car/ Car Allowance| Onsite training using the latest technology support tools | Flexible working … more

    Apply Now
  24. Sales Design Consultant

    Posted 9 hours ago by Orion Windows

    Location:
    York (171 miles)
    Job Type:
    Permanent

    Join Our Innovative Team. Sales Design Consultant. York. OTE: £65K+ | Creative Compensation Package: Base + Commission |Company Car/ Car Allowance | Onsite training using the latest technology support tools | Flexible working and continuous professional development | Employed and Self-Employed … more

    Apply Now
  25. Trainee Recruitment Consultant

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Location:
    York, City of York (173 miles)
    Job Type:
    Permanent

    Salary: Dependant on experience + excellent commission structure. About. Hunter Mason Consultancy is a growing independent business that specialises in Senior Management and Technical Personnel within the construction industry. Over the past year we have grown by 70% and we are now looking to take … more

  26. Business Development Manager – Recruitment Agency – York

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Business Development Manager – Recruitment Agency – York. Basic Salary 35-45 Dependent on experience (80k OTE Y1, 120K Year 2) Car / Or car allowance. We are seeking a highly skilled Business Development Manager for a specialist boutique search and selection Construction recruitment agency in the … more

  27. Account Manager / Business Development Manager

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Salary: Dependant on experience + excellent commission structure. About. Hunter Mason Consultancy is a growing independent business that specialises in Senior Management and Technical Personnel within the construction industry. Over the past year we have grown by 70% and we are now looking to take … more

  28. Business Development Manager - Recruitment

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Salary: Dependant on experience + excellent commission structure. About. Hunter Mason Consultancy is a growing independent business that specialises in Senior Management and Technical Personnel within the construction industry. Over the past year we have grown by 70% and we are now looking to take … more

  29. Recruitment Consultant / Senior Consultant - York

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Salary: Dependant on experience + excellent commission structure. About. Hunter Mason Consultancy is a growing independent business that specialises in Senior Management and Technical Personnel within the construction industry. Over the past year we have grown by 70% and we are now looking to take … more

  30. Trainee Recruitment Consultant

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Recruitment Consultant – York. Salary dependent on experience. PLUS, an unrivalled excellent commission structure. About. Hunter Mason Consulting is a growing, independent business that specialises in senior management construction recruitment. Over the past year we have grown by 70% and we are now … more

  31. Graduate Recruitment Consultant

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Recruitment Consultant – York. Salary dependent on experience. PLUS, an unrivalled excellent commission structure. About. Hunter Mason Consulting is a growing, independent business that specialises in senior management construction recruitment. Over the past year we have grown by 70% and we are now … more

  32. Recruitment Consultant

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Salary:
    £20,000 - £90,000/annum
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Recruitment Consultant – York. Salary dependent on experience. PLUS, an unrivalled excellent commission structure. About. Hunter Mason Consulting is a growing, independent business that specialises in senior management construction recruitment. Over the past year we have grown by 70% and we are now … more

  33. Recruitment Resourcer

    Posted yesterday by Hunter Mason Consulting Ltd

    Quick apply
    Location:
    YO1, York, City of York (173 miles)
    Job Type:
    Permanent

    Job Title: Recruitment Resourcer. Salary: Competitive. Location: York. Hunter Mason is a dynamic and forward-thinking recruitment consultancy committed to connecting top-tier talent with leading organisations. With a passion for excellence, we specialise in providing tailored staffing solutions … more

  34. Client Development Manager

    Posted 2 days ago by TEAM

    Salary:
    £45,000 - £60,000/annum
    Location:
    Leeds (174 miles)
    Job Type:
    Permanent

    An opportunity has arisen for a Client Development Manager to join a highly reputable manufacturer that delivers highly creative marketing solutions to prestigious worldwide brands & is part of a global group. You will have a UK remit and will report into sites based in Yorkshire. Along with a … more

    Apply Now
  35. Area Sales Manager – Concrete Walling Systems

    Posted yesterday by Mitchell Maguire

    Salary:
    £45,000 - £55,000/annum £10,000 - £15,000 on top
    Location:
    LS1, Leeds, West Yorkshire (174 miles)
    Job Type:
    Permanent

    Area Sales Manager – Concrete Walling Systems. Job Title: Area Sales Manager– Retaining Wall Systems. Industry Sector: Retaining Wall Systems, Concrete Wall Systems, Concrete Wall Blocks, Concrete, Paving, Concrete Walls, Retaining Walls, Block Paving, Stone Walling, Natural Stone Architectural … more

    Apply Now
  36. Recruitment Consultant/Senior Consultant

    Posted yesterday by Anderselite

    Location:
    Leeds (174 miles)
    Job Type:
    Permanent

    AndersElite are one of the best known recruitment consultancies in the UK operating within the construction market. We have several excellent opportunities for someone to join our Leeds team working in a fast paced, high performing part of the business. These position involves the sourcing and … more

    Apply Now
  37. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Leeds, West Yorkshire (174 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  38. Account Manager

    Posted yesterday by Pratap Partnership

    Salary:
    £45,000 - £55,000/annum
    Location:
    Leeds (174 miles)
    Job Type:
    Permanent

    We are delighted to be supporting an innovative business located in the Leeds area to appoint a permanent Account Manager to join their dynamic and passionate team. Working within the commercial team, you will be a skilled Client Manager, dedicated and able to work with limited supervision. The … more

    Apply Now
  39. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Oldham, Greater Manchester (182 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  40. Window and Door Sales Consultant

    Posted 8 hours ago by West Yorkshire Windows

    Location:
    Wakefield (183 miles)
    Job Type:
    Permanent

    Join Our Journey: Window & Door Sales Consultant - Spark Your Success with Us. West Yorkshire. Opportunities Available: Employed & Self-Employed Roles. Creative Compensation Package: Base + Commission | Company Car/ Car Allowance| Onsite training using the latest technology support tools | Flexible … more

    Apply Now
  41. Sales Design Consultant

    Posted 8 hours ago by West Yorkshire Windows

    Location:
    Wakefield (183 miles)
    Job Type:
    Permanent

    Join Our Innovative Team: Sales Design Consultant - New Living Space. West Yorkshire. OTE: £65K+ | Creative Compensation Package: Base + Commission | Company Car/ Car Allowance | Onsite training using the latest technology support tools | Flexible working and continuous professional development | … more

    Apply Now
  42. Field Sales Executive

    Posted today by People Tree Recruitment

    Salary:
    £30,000 - £70,000/annum OTE commission only
    Location:
    Liverpool, Merseyside (184 miles)
    Job Type:
    Permanent

    Self-employed (commission only - high earning potential. £35,000 - £50,000. Uncapped earnings. Flexible Hours. Comprehensive training. Ongoing training and support. Respected national brand. Looking for a flexible new career with high earning potential. Work at your own pace and manage your own … more

    Apply Now
  43. New Business Sales Executive

    Posted yesterday by Rowley Heron Associates

    Quick apply
    Salary:
    £25,000 - £70,000/annum Double Base OTE
    Location:
    M4, Manchester, Greater Manchester (184 miles)
    Job Type:
    Permanent

    New Business Sales Executive (B2B. Potential Commission Guarantee. Double Base OTE. 25K Base OTE £50K+ Top Earners 70K. Location: Manchester. Hours of Work: 08:45 – 5.00pm, Monday to Friday. No Weekends / Evenings. No Self Source of Leads. Working within a market leading business with extensive … more

  44. Business Development Manager – Contract Kitchens

    Posted 4 hours ago by Mitchell Maguire

    Salary:
    £55,000 - £65,000/annum + circa 20,000 bonus
    Location:
    M1, Manchester, Greater Manchester (185 miles)
    Job Type:
    Permanent

    Business Development Manager – Contract Kitchens. Job Title: Business Development Manager – Contract Kitchens. Industry Sector: Contract Kitchens, Kitchens, Bathrooms, KBB, Kitchen Retailers, Kitchens, Major House Builders, National House Builders, Tier 1 Contractors, Main Contractors, Contractors, … more

    Apply Now
  45. Business Development Manager – Plumbing & Heating Products

    Posted yesterday by Mitchell Maguire

    Salary:
    £45,000 - £55,000/annum + 20% bonus
    Location:
    M1, Manchester, Greater Manchester (185 miles)
    Job Type:
    Permanent

    Business Development Manager – Plumbing & Heating Products. Job Title: Business Development Manager – Washroom Flushing Systems. Industry Sector: Washroom Flushing Systems, Valves, Fittings, Washrooms, Flow Controls, Hydraulic Values, Toilets, Taps, Showers, Plumbing & Heating, Plumbing, Plumbers … more

    Apply Now
  46. Property Investment Consultant - Manchester

    Posted yesterday by Integro Partners

    Quick apply
    Salary:
    £70,000 - £100,000/annum
    Location:
    Manchester (185 miles)
    Job Type:
    Permanent

    Property Investment Sales Consultant - Manchester City Centre. 2 days hybrid work. 1%-2% of property purchase price commission. As a Property Investment Consultant you will qualifying new clients, managing existing clients, understanding their criteria, and matching their criteria with one of our … more

  47. Channel Development Manager

    Posted 4 hours ago by SER Limited

    Salary:
    £55,000 - £70,000/annum
    Location:
    Manchester (185 miles)
    Job Type:
    Permanent

    We are a tech-driven award winningsoftware business, with over 180,000 users. Headquartered in Guilford, with offices around the UK, we have over 60 members of staff and have enjoyed rapid growth and won numerous awards. To help with our continued success and growth, we are on the hunt for a Senior … more

    Apply Now
  48. Area Sales Manager / Business Development Manager

    Posted 9 hours ago by Mandeville

    Remote job
    Salary:
    £50,000 - £55,000/annum bonus+car+bens
    Location:
    Manchester, Greater Manchester (185 miles)
    Job Type:
    Permanent

    Are you ready to take your career to new heights in the dynamic world of construction product distribution? Our client, a leading distributor with a wide-reaching network, is seeking a passionate Business Development Manager / Area Sales Manager to spearhead sales in the vibrant North West region. … more

    Apply Now
  49. North West Sales Engineer

    Posted 4 hours ago by Tamalo Solutions Limited

    Salary:
    £65,000/annum + Bonus + Car + Benefits
    Location:
    M1, Manchester, Greater Manchester (185 miles)
    Job Type:
    Permanent

    Posted by: TAMALO Solutions Ltd - HVACR, BMS & Ind/ Process Cooling. Job title: North West Sales Engineer. Location: North West (Remote working. Sector Focus: Chilled Water Systems & Precision Air Conditioning. Route to market: M&E Consultants, Contractor, End-Users. Package: Circa £65,000 + Bonus … more

    Apply Now
  50. Relationship Manager

    Posted yesterday by Technology and Risk Recruitment LTD

    Remote job
    Salary:
    £50,000 - £65,000/annum
    Location:
    Manchester (185 miles)
    Job Type:
    Contract

    Our Financial Services client are looking for a Relationship Manager to support them on an initial 6 month FTC. This role is fully remote but requires travel to client sites in the North West. In addition to the pro-rata salary there will also be a car allowance. The Role. Support an existing … more

    Apply Now

Register & Quick Apply

Passwords must contain at least six characters

As part of the CV-Library network, your CV will be uploaded to CV-Library's database, allowing you to be searched by thousands of potential recruiters and employers. By registering with Sales Jobs you agree to our Privacy Policy and Terms & Conditions