Sales jobs in Watford

Displaying 1-50 of 202 jobs

Refine search

Your current filters

Remove search filter watford (up to 15 miles) Remove search filter £30,001 - £40,000 Remove search filter £80,001 - £100,000 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

We searched Watford, Hertfordshire, did you mean:

Watford, Northamptonshire
  1. Sales Executive

    Posted 3 days ago by Jewson

    Remote job
    Location:
    Watford, Hertfordshire
    Job Type:
    Permanent

    Are you based in the Watford area? Are you an experienced salesperson who enjoys dealing with customers face to face. Jewson, a leading building materials distributor in Northern Europe, is on the hunt for a Sales Executive who's as passionate about great service as we are. We provide a fulfilling … more

    Apply Now
  2. Field Sales Execcutive

    Posted a week ago by Major Recruitment South Midlands Commercial

    Remote job
    Location:
    Watford, Hertfordshire
    Job Type:
    Permanent

    Field Sales Representative. Area Coverage - UK. Location - 30-mile radius of Watford. Salary - D.O.E. Major Recruitment are currently working in partnership with a dynamic and innovative graphic print company dedicated to providing top-quality printing. With a commitment to excellence and a passion … more

    Apply Now
  3. Field Sales Executive | Company Car

    Posted a week ago by hireful

    Salary:
    £26,500 - £40,000/annum
    Location:
    Watford
    Job Type:
    Permanent

    Are you looking for a sales role with a solid base and some real earning potential? How about no cold outbound work, just converting in the field. We are one of the countries leading providers of employee benefits and we are looking to add to our field agent team who sell products like life … more

    Apply Now
  4. Sales Engineer

    Posted a week ago by Verto People

    Remote job Quick apply
    Salary:
    £30,000 - £50,000/annum Bonus, Remote working, Car allowance
    Location:
    Watford
    Job Type:
    Permanent

    A Sales Engineer / Service Sales Manager / Area Sales Manager is required to join a growing engineering supplier specialising in Fluid Power products, providing applications into the industrial and domestic market. The successful Sales Engineer / Service Sales Manager / Area Sales Manager will be … more

  5. Account Manager

    Posted a week ago by Think Specialist Recruitment

    Remote job
    Salary:
    £32,000 - £33,000/annum
    Location:
    Watford, Hertfordshire
    Job Type:
    Permanent

    We are recruiting for a business who are experiencing significant growth following their acquisition. This has led to a huge influx of business and lots of career development opportunities becoming available to manage their customer accounts, ensure a fantastic service is provided and maximise the … more

    Apply Now
  6. Business Development Manager

    Posted 14/05/2024 by Prospex Recruitment

    Salary:
    £30,000 - £50,000/annum
    Location:
    Watford, Hertfordshire
    Job Type:
    Permanent

    Business Development Manager. Location: Watford, Hertfordshire. Salary: up to £45,000 + OTE (£60K+. Company: A well-established Print and Signage company. Our client is looking for a Business Development Manager to generate and establish new business. The role of the Business Development Manager … more

    Apply Now
  7. Internal Sales Executive

    Posted 13/05/2024 by Rico Property Finance Ltd (T/A D&R Recruitment)

    Salary:
    £30,000 - £35,000/annum
    Location:
    Watford, Hertfordshire
    Job Type:
    Permanent

    Inernal Sales Executive (Mortgages. Watford. Full-time Office Based + Private Health Care + Pension Contribution + Many more. £30-35k + Commission. Key Responsibilities. Proactively generate leads and identify potential clients through various channels. Qualify leads by assessing their financial … more

    Apply Now
  8. Sales Executive - Print

    Posted 10/05/2024 by Major Recruitment Watford

    Remote job
    Salary:
    £35,000 - £55,000/annum
    Location:
    Hertfordshire
    Job Type:
    Permanent

    Major Recruitment are looking for Sales Executives in Print to join a Large Format Printing Company in Hertfordshire. Our client is looking for hungry sales people to win new business to their ever growing company. As a Sales Executive, your responsibilities will be. Business Development - … more

    Apply Now
  9. Sales Account Manager

    Posted 07/05/2024 by Osborne Appointments

    Location:
    Watford
    Job Type:
    Permanent

    Sales Account Manager. OA is seeking a Sales Account Manager to become an integral part of our client's thriving team. This opportunity involves joining a dynamic Software company located in Watford, offering a stimulating work environment and ample growth potential. You will need to be an … more

    Apply Now
  10. Sales Consultant - B2B

    Posted 07/05/2024 by Interaction Recruitment

    Salary:
    £25,000 - £35,000/annum
    Location:
    Watford
    Job Type:
    Permanent

    Outbound Sales Executive Opportunity in Hertfordshire - office based - Must have extensive B2B sales background. Are you an experienced outbound sales professional seeking a rewarding career change? Our sales focused team in Hertfordshire is offering an exciting opportunity for an Outbound Sales … more

    Apply Now
  11. Field Sales Representative

    Posted 14/05/2024 by Virgin Media O2

    Featured job
    Salary:
    £25,000 - £45,000/annum
    Location:
    WD17, Watford, Hertfordshire
    Job Type:
    Permanent

    Salary (OTE included): £25,000-£45,000 per year. Full-time and part-time positions available. We are seeking confident and driven individuals to join our Field Sales Representatives team. As the face of our brand, you will be the first point of contact for residents delivering excellent service and … more

    Apply Now
  12. Trainee Driving Instructor Placement Programme

    Posted 4 days ago by MFW Driving School

    Location:
    WD17, Watford, Hertfordshire
    Job Type:
    Permanent

    Please note that this is a course and fees apply. My Four Wheels are one of the most trusted and fastest growing driving schools in the UK with 200 driving instructors currently on the road and hundreds in our training programme who will be hitting the roads shortly. There is currently a record … more

    Apply Now
  13. Trainee Driving Instructor Placement Programme

    Posted 4 days ago by MFW Driving School

    Location:
    WD17, Watford, Hertfordshire
    Job Type:
    Permanent

    Please note that this is a course and fees apply. My Four Wheels are one of the most trusted and fastest growing driving schools in the UK with 200 driving instructors currently on the road and hundreds in our training programme who will be hitting the roads shortly. There is currently a record … more

    Apply Now
  14. Sales Engineer

    Posted 14/05/2024 by Verto People

    Remote job
    Salary:
    £40,000 - £50,000/annum High bonus scheme, Company car, 25 d
    Location:
    Watford
    Job Type:
    Permanent

    Sales Engineer / Area Sales Manager / key Account Manager required to join a leading global manufacturer of industrial engineering products and services. The successful Sales Engineer / Area Sales Manager / key Account Manager will work remote, covering the South UK - Hertfordshire, Bedfordshire, … more

    Apply Now
  15. Business Development Manager- South

    Posted 16/05/2024 by Aggregate Industries

    Location:
    Orphanage Road & Reeds Crescent, WD24 4PH Watford, United
    Job Type:
    Permanent

    About Aggregate Industries UK. We are at the heart of construction, committed to building progress and transforming the industry to deliver a more sustainable future for all. We are recognised as one of the safest, most customer-focused companies in this space and we are looking for you to be part … more

    Apply Now
  16. Sales Engineer

    Posted a week ago by Rise Executive Search & Recruitment Ltd

    Salary:
    £40,000 - £45,000/annum Inc Bonus Car Pension etc
    Location:
    WD24, North Watford, Hertfordshire
    Job Type:
    Permanent

    Sales Engineer – Industrial Electrical Sector. Salary negotiable £35K - £45K+ Bonus, Pension, Car etc. On behalf of our Client we are seeking suitable candidates for the role of Sales Engineer to promote and further develop profitable sales of the clients products into the industrial sector. It is … more

    Apply Now
  17. Business Development Executive

    Posted today by Interaction Recruitment

    Salary:
    £30,000 - £50,000/annum Bonus
    Location:
    Watford (1 mile)
    Job Type:
    Permanent

    Job Title: Business Development Executive. Location: Watford Commutable to [Client's Office Location. Salary: £25,000 - £50,000 Depending On Experience (with potential to generate £400,000+ in revenue. About the Client. Our client envisions being a trusted branding solution partner to their … more

    Apply Now
  18. Business Development Manager

    Posted today by Porcelanosa Group Ltd

    Location:
    Watford (1 mile)
    Job Type:
    Permanent

    PORCELANOSA, a global leader in the innovation, design, manufacture and distribution of Tile, Kitchen, and Bath products, endeavors to be the industry leader by providing trendsetting cutting-edge designs of unparalleled beauty and refinement, uncompromising quality, technologically superior … more

    Apply Now
  19. Education Business Development Consultant - Remote Working

    Posted a week ago by Newsquest Media Group Limited

    Salary:
    £31,000 - £32,000/annum
    Location:
    richmond (1 mile)
    Job Type:
    Permanent

    Newsquest's LOCALiQ brand is dedicated to empowering SMEs by enhancing their digital presence and visibility in the marketplace. As the UK's foremost local media group, Newsquest boasts a network of 150 esteemed news brands spanning the country. Through LOCALiQ, Newsquest leverages its extensive … more

    Apply Now
  20. Distribution BDM Southern England

    Posted 15/05/2024 by SSR Contract & Technical

    Salary:
    £40,000 - £47,500/annum
    Location:
    Watford (2 miles)
    Job Type:
    Permanent

    We have a fantastic opportunity for an experienced Business Development Manager within the security sector to join our company in various regional roles in Southern England . In this role, you will be responsible for building and developing relationships with current and prospective customers. … more

    Apply Now
  21. Recruitment Consultant - Construction & Civil Engineering Sector

    Posted 2 days ago by Cityscape

    Salary:
    £20,000 - £35,000/annum + Benefits + Bonuses
    Location:
    Rickmansworth, Hertfordshire (3 miles)
    Job Type:
    Permanent

    Recruitment Consultant. Construction & Civil Engineering Divisions. £20,000 - £35,000 with OTE £40,000 to £65,000. Rickmansworth, Hertfordshire. About the role. We currently have a vacancy for a recruitment consultant based out of our office in Rickmansworth, Hertfordshire. The successful applicant … more

    Apply Now
  22. Landscape Sales Executive

    Posted 13/05/2024 by PPM Recruitment

    Salary:
    £30,000 - £45,000/annum
    Location:
    Radlett, Hertfordshire (3 miles)
    Job Type:
    Permanent

    Sales Role - Landscaping and Tree Industry - Radlett. A Sales Operative is required for one of the UK's leading Horticulture and garden services specialists. Our clients services include grounds management, arboriculture, landscaping, estate management, vegetation control, wood land management, … more

    Apply Now
  23. Landscape Sales Executive

    Posted 3 days ago by HL Services (London) Ltd

    Salary:
    £30,000 - £40,000/annum
    Location:
    Radlett (4 miles)
    Job Type:
    Permanent

    Landscape Sales Executive. Salary: £30,000 - 40,0000 (+45k OTE. Hours: 40 hours/week (Mon-Fri. Location: Operates on a national basis from Radlett, Herts. We are seeking a Landscape Sales Executive to join the one of the largest green space management service providers in the UK who specialises in … more

    Apply Now
  24. Sales Executive

    Posted a week ago by Osborne Appointments

    Salary:
    £28,000 - £33,000/annum commission
    Location:
    Kings Langley (4 miles)
    Job Type:
    Permanent

    Sales Executive. OA are recruiting for a Sales Executive to join our clients award-winning contractor payroll company that specialises in UK and International payroll services. The successful candidate will have previous sales experience and operate within a progressive working environment with … more

    Apply Now
  25. Service Advisor

    Posted 15/05/2024 by The Hammond Recruitment Group

    Salary:
    £28,000 - £32,000/annum
    Location:
    Kings Langley, Hertfordshire (4 miles)
    Job Type:
    Permanent

    Job Title: Service Advisor. Location: Kings Langley, UK. Salary: £28,000 - £32,000 per annum. Are you an experienced Service Advisor looking to work with luxury and high-end vehicles? Do you thrive in a customer-focused environment where you can utilize your exceptional communication skills and … more

    Apply Now
  26. Senior Sales Administrator

    Posted 13/05/2024 by Adecco

    Salary:
    £28,000 - £32,000/annum Parking, Pension, Holidays
    Location:
    Borehamwood, Hertfordshire (5 miles)
    Job Type:
    Permanent

    Job Title: Senior Sales Administrator. Location: Borehamwood, Hertfordshire. Salary: £28,000 - £32,000 per annum. Hours: Monday - Thursday 9:00 am - 5:30 pm, Friday 9:00 am - 5:00 pm. Job Type: Full-time, Permanent. Overview. We are seeking a proactive and detail-oriented individual to join our … more

    Apply Now
  27. Development Sales Manager

    Posted a week ago by Thrive homes

    Salary:
    £32,000/annum
    Location:
    HP3, Rucklers Lane, Hertfordshire (5 miles)
    Job Type:
    Contract

    Development Sales Manager. Watford and other sites within operational area (onsite. Fixed Term Contract (12 Months), Full Time. Salary £32,000 Plus Bonus & Commission (OTE £55,000 Plus. 37 hours per week (Likely working days to be Thursday-Monday. Thrive Homes is actively seeking an experienced … more

    Apply Now
  28. Field Sales Advisor

    Posted 07/05/2024 by Sales Business Recruitment

    Salary:
    £25,000 - £50,000/annum
    Location:
    HA1, Greenhill, Greater London (5 miles)
    Job Type:
    Permanent

    Opportunities available nationwide. Please apply below for an instant invite to an online discovery session where you will find out more about this role and will be able to talk with the Area Manager. FIELD SALES ADVISOR - £40k+ earnings. Flexible Hours - Full and Part-Time (uncapped earnings. … more

    Apply Now
  29. Business Community Development Manager

    Posted 3 days ago by Vyman Solicitors

    Salary:
    £40,000 - £75,000/annum
    Location:
    Harrow (5 miles)
    Job Type:
    Permanent

    Are you excited by the prospect of a fast-paced environment, thrive on networking, and passionate about building strong business relationships? Are you eager to join a growing, ambitious company that offers full support while giving you the freedom to shape your role? If this sounds like you, we … more

    Apply Now
  30. Sales Executive

    Posted 10/05/2024 by Anglian Home Improvements

    Featured job
    Salary:
    £75,000 - £100,000/annum OTE
    Location:
    Harrow (5 miles)
    Job Type:
    Contract

    This is you: a self-starter, with great communication & sales skills, a persuasive 'people-person' who enjoys dealing with all sorts of customers, looking to stretch your business development potential to the next level. You're excited by the uncapped earning potential for self-employment where you … more

    Apply Now
  31. Procurement Executive

    Posted 17/05/2024 by Templewood Recruitment

    Salary:
    £28,000 - £32,000/annum Pension, Free lunch provided onsite
    Location:
    Ruislip, Greater London (5 miles)
    Job Type:
    Permanent

    Our client are an award winning, long established, specialist procurement and sourcing organisation, supplying a range of Industrial, Mechanical and Electrical products across the globe. Due to continued business growth, they are looking for an experienced Procurement Associate, with strong … more

    Apply Now
  32. New Homes Sales Negotiator

    Posted yesterday by Fawkes & Reece London

    Salary:
    £30,000 - £34,000/annum OTE £50K-£55K
    Location:
    Hayes, London (5 miles)
    Job Type:
    Permanent

    Sales Negotiator - Hayes. A large residential developer who specialise in high specification residential developments have a brand new site selling luxury property in Hayes. Day to day duties. Conducting viewings around the show homes & selling off plan units. Working within a team to ensure sales … more

    Apply Now
  33. Candidate Consultant

    Posted 3 days ago by Pioneer Selection Ltd

    Salary:
    £25,000 - £35,000/annum commission
    Location:
    Borehamwood (5 miles)
    Job Type:
    Permanent

    Candidate Consultant. Join Our Team at Pioneer Selection. Do you love to talk and want to get paid for it? Are you a great communicator with a passion for customer service? Do you thrive in a dynamic, fast-paced environment? If so, Pioneer Selection wants to hear from you. Pioneer Selection are a … more

    Apply Now
  34. Business Development Consultant

    Posted 3 days ago by Pioneer Selection Ltd

    Salary:
    £25,000 - £40,000/annum uncapped commission
    Location:
    Borehamwood (5 miles)
    Job Type:
    Permanent

    Are you a sales professional seeking an exciting new career opportunity or currently working in recruitment and looking to progress your career? Pioneer Selection, the leading engineering recruitment agency based in Borehamwood, Hertfordshire, are looking for candidates with sales or recruitment … more

    Apply Now
  35. Sales Consultant

    Posted 3 days ago by Pioneer Selection Ltd

    Salary:
    £23,000 - £40,000/annum uncapped commission
    Location:
    Borehamwood (5 miles)
    Job Type:
    Permanent

    Are you currently working in a sales based role and enjoy building relationships and closing deals over the phone? If so Pioneer Selection wants YOU to join our business development team. Based in Borehamwood, Hertfordshire, Pioneer Selection doesn't just offer you a job; we're offering a gateway … more

    Apply Now
  36. Area Sales Manager

    Posted today by Wallace Hind Selection LTD

    Salary:
    £35,000 - £40,000/annum Bonus
    Location:
    Edgware (5 miles)
    Job Type:
    Permanent

    Are you an Area Sales Manager, covering the South East with a passion for driving sales and forging strong client relationships? If you want to thrive in the fast-paced world of toys and giftware, we've got the perfect role for you. BASIC SALARY: £35,000 - £40,000. BENEFITS: Bonus. LOCATION: South … more

    Apply Now
  37. Amazon Sales Administrator

    Posted a week ago by OPRA GROUP

    Quick apply
    Salary:
    £40,000/annum
    Location:
    Harrow, Greater London (5 miles)
    Job Type:
    Permanent

    The OPRA Group has a great opportunity for an Amazon Sales Administrator for an award-winning organic food, skincare and natural food supplements company. This is a Permanent – Full-Time role (Monday – Friday 09:00 – 17:00) with 1 hour lunch. Role Duties. Creating product listings. Resolving Data … more

  38. New Homes Sales Negotiator

    Posted 14/05/2024 by Fawkes & Reece London

    Salary:
    £30,000 - £33,000/annum OTE £50K-£55K
    Location:
    Harrow, London (5 miles)
    Job Type:
    Permanent

    Sales Negotiator - Harrow. A large residential developer who specialise in high specification residential developments have a brand new site selling luxury property in Harrow. Day to day duties. Conducting viewings around the show homes & selling off plan units. Working within a team to ensure … more

    Apply Now
  39. Internal Sales Executive

    Posted 07/05/2024 by CXC Global

    Salary:
    £34,000 - £35,000/annum
    Location:
    Harrow, Greater London (5 miles)
    Job Type:
    Permanent

    ROLE: Internal Sales Executive. LOCATION: Harrow. SALARY: £35k+ and benefits. WORKING DAYS: Monday to Friday, 1 in 2 or 3 Saturdays. WORKING HOURS: 7am-5:15pm – half day Saturday (8am -12pm. Due to the continued success and expansion of our clients business, an exciting opportunity has arisen for … more

    Apply Now
  40. Store Manager

    Posted 2 days ago by Magnet

    Salary:
    £38,000 - £40,000/annum
    Location:
    HERTFORDSHIRE, Hertfordshire, South East (6 miles)
    Job Type:
    Permanent

    Store Manager | Hertfordshire | Salary: up to £40,000 + Benefits. Just a kitchen, some might think. But at Nobia, we recognise its deeper essence. It's more than a space - it's the very soul of a home where mornings are greeted, and evenings wind down. It is the place where we connect and unite, … more

    Apply Now
  41. Business Development Executive

    Posted 2 days ago by Bond Consulting

    Salary:
    £23,000 - £32,000/annum
    Location:
    Harrow, Greater London (6 miles)
    Job Type:
    Permanent

    We are a dynamic and rapidly growing company based in Harrow, London, committed to delivering exceptional products and services to our clients. We are seeking a motivated and experienced Business Development Executive to join our team and drive our business growth initiatives. Key Responsibilities. … more

    Apply Now
  42. Paraplanner

    Posted 09/05/2024 by Cameron James Professional Recruitment

    Salary:
    £40,000 - £50,000/annum
    Location:
    AL1, St Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Our client is a well established firm and provides Financial Planning to both individuals and corporate clients. Due to on going success, they require a Qualified Paraplanner to join the team in St Albans. Key duties will include. Prepare suitability reports in line with client objectives and as … more

    Apply Now
  43. Trainee Driving Instructor Placement Programme

    Posted 4 days ago by MFW Driving School

    Location:
    HP2, Hemel Hempstead, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Please note that this is a course and fees apply. My Four Wheels are one of the most trusted and fastest growing driving schools in the UK with 200 driving instructors currently on the road and hundreds in our training programme who will be hitting the roads shortly. There is currently a record … more

    Apply Now
  44. Garment Technologist

    Posted yesterday by Link Personnel

    Location:
    St Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    An Established Ladieswear Manufacturer in the St Albans area is looking for a Garment Technologist to join their team. Main Responsibilities. Attending customers fit sessions, company car provided. Amending paper patterns according to fit comments. Ensure fit and sizing is to customers … more

    Apply Now
  45. Account Manager

    Posted 2 days ago by ITSS Recruitment

    Salary:
    £25,000 - £35,000/annum + Commission and Beneftis
    Location:
    St. Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Job Opportunity: Account Manager. Salary: £25,000 - £35,000 per annum + OTE up to £50k. Location: St Albans. About the Business. Our client, a dynamic and growing family-run business based in Frogmore, is seeking an enthusiastic and experienced Account Manager to join their External Sales Team. As … more

    Apply Now
  46. Senior Recruitment Consultant

    Posted a week ago by Saddlers Resourcing Solutions Ltd

    Salary:
    £35,000 - £50,000/annum Depending on experience
    Location:
    St Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Senior Recruitment Consultant - Civil Engineering. We are on the lookout for our next experienced Senior Recruitment Consultant to join our team. You'll be joining a fast paced and rapdily devloping company recruiting in the Civil Engineering and Rail sectors. Saddlers Resourcing Solutions are … more

    Apply Now
  47. Recruitment Consultant - Civil Engineering

    Posted a week ago by Saddlers Resourcing Solutions Ltd

    Salary:
    £25,000 - £35,000/annum Dependant on experience
    Location:
    St Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Recruitment Consultant - Civil Engineering. We are on the lookout for our next experienced Recruitment Consultant to join our team. You'll be joining a fast paced and rapdily devloping company recruiting in the Civil Engineering and Rail sectors. Saddlers Resourcing Solutions are currently working … more

    Apply Now
  48. Business Development Manager

    Posted a week ago by Energi People

    Remote job
    Salary:
    £35,000 - £40,000/annum
    Location:
    St. Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Role Overview. An exciting opportunity for an experienced and ambitious installation sales account manager, who can design integrated systems and is looking to become part of an ambitious and growing business. You will be joining our established and successful organisation to become a valued member … more

    Apply Now
  49. Territory Sales Manager

    Posted 2 weeks ago by TalentTech Recruitment Ltd

    Remote job
    Salary:
    £28,000 - £34,000/annum £12k uncapped OTE, Car or Allowance
    Location:
    St. Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Territory Sales Manager. Waste & Recycling Services (SME. £28-34k basic with up to £12k uncapped First Year OTE, Company car or Allowance. Due to business growth, this is a great opportunity to join a well-respected service provider. The company specialise in providing waste service contracts. This … more

    Apply Now
  50. Graduate Business Development Consultant

    Posted 14/05/2024 by Celsius Graduate Recruitment

    Salary:
    £26,000 - £50,000/annum Co Car, Healthcare, Pension
    Location:
    St Albans, Hertfordshire (7 miles)
    Job Type:
    Permanent

    Graduate Business Development Consultant. £26k - £27k basic salary, Realistic £50k 1st Year On Target Earnings + Fully Expensed Hyundai Hybrid SUV Company Car + Private Healthcare + Pension. Celsius Graduate Recruitment are thrilled to exclusively represent a prestigious £3.5 Billion conglomerate, … 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