Are you a business? Hire mechanical engineer candidates in United Kingdom
Job description About Us Waste Handling Solutions Ltd was formed in 2001 by a small group, with many Years knowledge within the waste management industry. It was felt that we could bring this knowledge and the associated benefits to our clients, i.e. to save them time and money on their waste handling. To date we have helped 1000’s of clients and are still growing weekly with new clients and now offering a “Total Waste Handling Solution” to save them time and money. Job Role/Responsibilities: Field Service Engineers are responsible for servicing/maintaining all types of recycling equipment, either on client’s premises or for machinery within workshops in Warmley, Bristol The job is factory based 75% of the time + 25% time on client’s sites (Company van will be provided + Fuel) Job includes disassembling/overhauling machinery to an as new standard (we have in house shotblasting/fabrication/spraying facilities) Skills/Knowledge and Qualifications Required Applicant needs to have a strong bias for fault finding, including PLC interrogation, electrical circuit fault finding. The ability to read & understand both electrical and hydraulic drawings & have a sound knowledge of mechanical/electrical principles. Ideally - Apprenticed, ONC qualified or other relevant qualifications considered, including experience within the industry. Ideally the applicant will have electrical qualifications to work with 3 phase & if possible be 18th Edition certified (although training can be provided) Salary Expectations The exact salary and package will depend on experience & potential training needs and will be discussed at interview stage. Circa £36000 Basic to £45000 Per Year (dependant on experience) + Pension, plus Annual Profit Share Normal Hours of work – 8.30am to 5.30pm – Monday to Friday Summary As a Multi Skilled Service Engineer, you will be integral to maintaining and optimizing our systems, and maintaining clients expectations. This role requires a blend of core skills in troubleshooting, technical maintenance, and system diagnostics, ensuring efficient operations. Your premium skills in project management and advanced technical knowledge will enhance our service delivery. Additionally, relevant skills in customer interaction and safety compliance will support our commitment to excellence. Join our team to contribute to innovative solutions and uphold the highest standards in service engineering. Strictly No Agencies will be Considered at this stage Apply Now
Motor Mechanic wanted for immediate start! Are you a skilled mechanic with a passion for performance vehicles? Looking for a role where no two days are the same? Join our friendly family-run garage where your skills will be valued We specialise in high performance vehicles, so attention to detail, pride in your work and a proactive attitude are a must. This is not your average garage job - from engine rebuilds to bespoke modifications, you'll be working on exciting projects that stretch your capabilities and keep things interesting
Location: Egham, Surrey Employment Type: Full-Time, Permanent Salary: Competitive + Benefits The Role We are looking for a talented Senior Mechanical Design Engineer to join our experienced design team. In this role, you will create and manage complete manufacturing packages—including 3D CAD models, assembly drawings, and BoMs—while also leading engineering projects and mentoring junior designers. Key Responsibilities Design precision-engineered components and assemblies using SolidWorks Produce detailed manufacturing and assembly drawings to BS 8888 standards Apply Design for Manufacture and Assembly (DFMA) principles Enter and manage Bills of Materials in the company’s MRP system Work cross-functionally with supply chain, project, and production teams Conduct design reviews, risk assessments, and basic stress analysis Select suitable materials for design safety and reliability Support product testing, commissioning, and continuous improvement Requirements Degree in Mechanical Engineering or equivalent Minimum 5 years’ experience in mechanical design/manufacturing Advanced 3D CAD skills (SolidWorks preferred) Familiarity with hydraulics, pneumatics, and mechanical systems Knowledge of GD&T, BS 4500, BS 8888 standards Effective communicator with strong project ownership Willingness to travel occasionally for site support or commissioning Benefits Competitive salary based on experience Pension scheme Ongoing training & development Exposure to international projects Supportive, collaborative engineering environment Why Join Servotest? Work at the forefront of cutting-edge test technology Join a collaborative, cross-disciplinary engineering team Gain exposure to a diverse global customer base Enjoy a strong focus on career development and training
Originally established in 1958 we are an independent supplier of bearings, belts and power transmission products open to both the trade and public based in Crawley West Sussex (just off the M23). Currently experiencing a period of growth we find ourselves busier than ever and need the assistance of an experienced person to help out on the trade counter. This is a great time to join a growing business, with big plans. Reporting to the Directors you will effectively build and develop relationships with customers, both over the phone and on the trade counter to ensure their needs are met. The Ideal candidate will be from a mechanical engineering / manufacturing background or can at least demonstrable a good understanding of bearings, belts and other power transmission products. Experience working in a customer facing commercial environment also would be preferential but not essential. · Customer service and or retail experience preferred but not essential. · Team Player: Strong team skills and the ability to interact well with customers and colleagues. · Basic computer skills required (email basic excel and word) along with a basic understanding of MRP desirable. · Strong Communication skills: can demonstrate the ability to communicate both verbally and in writing with a wide range of customers and colleagues. · Be comfortable answering queries over the phone and responding to client requests and enquiries. · Keeping track of back orders, inventory, and ordering stock where required · Drafting and mailing customer correspondence where required · Supporting the operational teams · Self-motivated, with impeccable accuracy and attention to detail. In exchange we offer a competitive salary, flexibility and the opportunity to grow with the company or at your own pace Job Types: Full-time, Part-time
Systems (Integration) Control Engineer Location: Egham, Surrey Employment Type: Full-Time, Permanent Salary: Competitive + Benefits The Opportunity We are seeking an experienced Systems (Integration) Control Engineer to lead complex control system design and validation for high-performance hydraulic test rigs and motion simulation systems. You’ll work across software, hardware, and mechanical disciplines to ensure robust, customer-focused solutions. What You’ll Do Lead system-level design, modelling, and simulation using MATLAB/Simulink Translate customer requirements into technical specifications and system architecture Prepare control databases, test plans, and regulatory documentation Collaborate across mechanical, electrical, and software teams to ensure integration Support commissioning and post-delivery activities, including customer training Liaise directly with global customers, suppliers, and internal stakeholders Contribute to continuous improvement and new product development What You’ll Need Degree in Mechanical, Electrical, or Mechatronics Engineering At least 5 years’ experience in system integration of machinery or test equipment Familiarity with MATLAB/Simulink or equivalent system modelling tools Ability to interpret and write clear technical documentation Excellent communication skills and project ownership Willingness to travel internationally (up to 10%) Why Join Servotest? Work at the forefront of cutting-edge test technology Join a collaborative, cross-disciplinary engineering team Gain exposure to a diverse global customer base Enjoy a strong focus on career development and training Benefits Competitive salary based on experience Pension scheme Ongoing training & development Exposure to international projects Supportive, collaborative engineering environment
The Role In this role, you will lead the design, development, and execution of our most complex and high-impact AI and data-driven security initiatives across the organisation. You will define the strategic direction for AI and data security architecture, owning the roadmap that ensures our systems and models are secure, resilient, and compliant by design. As a key technical leader, you will drive the adoption of modern security practices throughout the AI/ML development lifecycle—embedding security into data pipelines, model training workflows, infrastructure, APIs, CI/CD pipelines, and cloud-native platforms. You will work closely with engineering, MLOps, and product teams to ensure that models and data systems are built securely and scale effectively in a rapidly evolving threat landscape. You will also oversee the design and integration of enterprise-grade security and privacy controls across AI platforms, cloud environments, and data architecture—ensuring alignment with compliance frameworks (e.g., GDPR, ISO 27001, NIST AI RMF) and ethical AI principles. Collaborating cross-functionally with Engineering, DevOps, Data, Compliance, and Architecture teams, you’ll champion automation, threat modelling, privacy-by-design, and security-by-default across our AI and data ecosystem. This is a pivotal role that blends deep technical expertise with strategic foresight, empowering teams, strengthening our security posture, and shaping the future of trustworthy, secure AI innovation at scale. About Us At ZOG Global, we don’t just provide IT solutions, we build secure, intelligent, and scalable digital ecosystems. As a leading IT consultancy services in the UK, specialising in cybersecurity, automation, and software development, we help businesses stay competitive and secure. Our expertise spans advanced cybersecurity solutions, advanced AI-driven automation, and next-gen software development, ensuring our clients have the tools to innovate fearlessly while staying secure. At ZOG Global, we foster a culture of innovation, collaboration, and continuous learning, where every team member plays a crucial role in shaping the future of secure technology. Join us to work on challenging, high-impact projects, collaborate with some of the brightest minds in the industry, and drive security innovation at scale! Key Responsibilities • Secure AI/ML workloads running on cloud-native platforms such as SageMaker, Azure ML, Vertex AI, and custom Kubernetes-based training clusters. • Design isolation strategies and access controls for GPU-enabled instances, model endpoints, and distributed training environments. • Assess cloud-hosted AI services and APIs for misconfigurations, data leakage, and privilege escalation risks. • Ensure adherence to AI-specific regulatory frameworks (e.g., EU AI Act, NIST AI RMF, ISO/IEC 42001) and responsible AI principles. • Contribute to the development of internal AI governance policies covering model transparency, fairness, and accountability. • Collaborate with legal, compliance, and data teams to assess ethical risks and implement guardrails for generative AI usage. • Design secure data pipelines and storage architectures that support privacy-preserving AI workflows and model training at scale. • Implement differential privacy, encryption-at-rest/in-transit, and federated learning where applicable to protect sensitive training data. • Evaluate and secure third-party datasets, embeddings, and model artefacts integrated into enterprise AI solutions. • Collaborate with data architect and analysts to assess model explainability, adversarial robustness, and model inversion risks. • Architect end-to-end AI/ML platforms with security-by-design principles, from data ingestion to inference. • Define secure model-serving architectures, including API protection, input validation, and rate-limiting mechanisms. • Support the design of scalable LLM and vector database infrastructure with appropriate access controls and logging. • Promote security standards for AI model reuse, supply chain integrity (e.g., ML model provenance), and open-source model vetting. • Embed security into CI/CD pipelines using automated security tools. • Develop and deploy security-as-code solutions for cloud and container environments. • Automate security compliance checks, vulnerability scanning, and incident response workflows. • Secure cloud-native applications, Kubernetes clusters, and serverless environments. • Perform security assessments, threat modeling, and risk mitigation strategies. • Ensure adherence to industry security frameworks (e.g., NIST, ISO 27001, CIS, SOC 2). • Define security policies, best practices, and threat mitigation strategies. • Drive security awareness and DevSecOps culture across teams. What We’re Looking For • 6+ years of experience in cybersecurity, including 3+ years in DevSecOps, Application Security, Cloud Security, or Security Architecture roles, ideally with exposure to data-driven or AI/ML environments in enterprise or consultancy settings. • Professional certifications that demonstrate depth and breadth in cloud and security domains (e.g., CISSP, CCSP, SC-100, OSCP, AWS Security Specialty, or DevSecOps certifications). • Strong understanding of AI/ML security principles, including model integrity, data lineage, adversarial threat mitigation, input validation, and governance of generative AI systems in line with emerging AI regulations and privacy standards. • Demonstrated ability to embed security into CI/CD and MLOps pipelines, driving DevSecOps automation using Infrastructure as Code (IaC) and security-as-code practices. • Hands-on experience with security testing frameworks, including SAST, DAST, SCA, fuzz testing, and API security validation, using industry-standard tools and custom automation workflows. • Strong command of cloud platforms (AWS, Azure, GCP), including AI/ML services, Kubernetes, serverless architectures, and container security tooling. • Skilled in automating security controls and infrastructure compliance using tools (Terraform, Ansible, Jenkins, GitHub Actions, or similar). • Deep understanding of SIEM, SOAR, IAM, and cloud-native monitoring for real-time detection, incident response, and compliance reporting. • Proficient in scripting and automation using Python, Bash, Go, or similar languages to build scalable, repeatable security workflows. • Familiarity with key security and compliance frameworks, including MITRE ATT&CK, NIST CSF, OWASP SAMM, CVSS, STRIDE, PCI-DSS, GDPR, and emerging AI-specific standards (e.g., NIST AI RMF, ISO/IEC 42001). • Experience in data and AI security architecture, including data classification, secure data lakes, model provenance, encryption, key management, and regulatory compliance across hybrid cloud ecosystems. • Ability to design secure, scalable microservices and model-serving architectures, advocate for Zero Trust principles, and drive secure API and identity integration across enterprise environments. • Strong collaborator with experience leading cross-functional security initiatives, participating in vendor/tool evaluations, and aligning architecture with governance requirements. • Effective communicator who can translate complex security and AI risk topics into actionable guidance, foster DevSecOps and MLOps culture, and advocate for security best practices across technical and business teams. • Deep understanding of data security, governance, and compliance in cloud environments. • Experience in compliance processes, interfacing with external consultants, and handling customer security requirements. • Ability to solve highly complex security challenges intuitively and effectively. If you live and breathe AI and application security, can navigate complex systems, crave learning new things, and would like your work to have positive impact on all our initiatives, then this role is for you.
Electrical Contracts Manager (Minimum 5 years of electrical experience). Location: Nottinghamshire Job Type: Full-time Salary: £50,000- £60,000 About Us Powerplus Group is a fast-growing, full-service mechanical and electrical company, built on our dedication to delivering the highest quality and most innovative projects—on time and within budget. We take the lead in mechanical, electrical, lighting, and renewable projects, incorporating design and coordination, installation, and full commissioning across the UK and Europe, with our headquarters centrally based in Nottinghamshire. We pride ourselves on our high level of personalised service and the strong partnerships we build with our clients, ensuring direct contact and a collaborative approach. This partnership-driven mentality has fostered long-lasting, multi-project relationships over the years. With our fully integrated turnkey solutions, Powerplus Group continues to set the standard in mechanical and electrical services across the UK and Europe. Job Summary We are seeking an experienced and dynamic Electrical Project Manager to oversee and deliver a range of electrical projects, ensuring they meet the highest standards of quality, innovation, and efficiency. This role requires excellent leadership skills, technical expertise, and a hands-on approach to managing multiple projects from conception to completion. As an integral part of our growing team, you will be responsible for the planning, coordination, execution, and successful delivery of electrical projects across various sectors, working closely with clients, engineers, and site teams. Key Responsibilities Project Planning & Management - Take full ownership of electrical projects, ensuring they are delivered on time, within scope, and budget. - Develop project plans, schedules, and budgets, ensuring all financial targets are met. - Liaise with clients, engineers, subcontractors, and stakeholders to define project requirements. - Oversee procurement of materials, ensuring cost-effective and timely delivery. - Monitor and track project progress, addressing any challenges or deviations. Technical Oversight & Compliance - Review and approve electrical designs, ensuring adherence to regulations and industry standards. - Conduct site inspections to monitor quality control, safety compliance, and progress. - Identify risks and implement mitigation strategies to ensure project success. - Ensure compliance with the National Electrical Code (NEC), IEE regulations, and health & safety standards. Team Leadership & Coordination - Lead and manage site engineers, supervisors, and technical teams, ensuring high productivity and performance. - Foster a collaborative team environment, ensuring effective communication across all project stakeholders. - Conduct project progress meetings and provide regular status updates to senior management and clients. - Support and mentor junior engineers and team members to drive professional development. Reporting & Documentation - Maintain and manage all project documentation, including progress reports, RFIs, change orders, and safety records. - Ensure all required permits and approvals are obtained in a timely manner. - Provide management with detailed project performance reports, highlighting risks, solutions, and milestones. Qualifications & Requirements; Education & Experience - Minimum of 5 years experience in electrical project management, within mechanical and electrical (M&E), lighting, or renewable energy sectors. - Proven experience managing projects in commercial, industrial, or infrastructure settings. Technical Skills - Strong knowledge of electrical systems, power distribution, control systems, and energy solutions. - Proficiency in project management software (e.g., Primavera, MS Project, AutoCAD, or Revit). - Familiarity with electrical codes and safety regulations (NEC, IEEE, NFPA, BS7671, etc.). Soft Skills - Excellent leadership, problem-solving, and decision-making abilities. - Strong communication and negotiation skills to effectively liaise with clients and contractors. - Ability to work in a fast-paced environment, managing multiple projects simultaneously. Why Join Powerplus Group? - Work on high-profile projects across the UK with a rapidly expanding company. - Be part of a team that values innovation, quality, and client collaboration. - Opportunity for career growth and professional development in a thriving industry. - Competitive salary and benefits package. Job Types: Full-time, Permanent Pay: £50,000.00-£60,000.00 per year Additional pay: Performance bonus Benefits: Company car Company pension Employee mentoring programme Gym membership On-site parking Schedule: Monday to Friday Experience: electrical contracts manager: 3 years (required) Licence/Certification: Driving Licence (required) Work authorisation: United Kingdom (required) Work Location: Hybrid remote in Nottingham NG13 8FA
This is a remote position. Overview of role This position involves joining the international sales team to drive the digital transformation of the manufacturing industry. The role focuses on acquiring new customers in CNC manufacturing and mechanical engineering, presenting the MAKE quoting solution, and representing the company at events while contributing to the development of sales strategies for growth in European target markets. Core tasks Proactively attract new customers, particularly in the mechanical engineering and CNC manufacturing industries. Independently generate and nurture leads, converting them into paying customers. Demonstrate MAKEs quoting solutions through modern sales techniques. Present to clients via online meetings (70%) and on-site visits (30%). Build and expand our presence in key European markets. Represent the company at industry events, trade fairs, and digital webinars. Use customer feedback to refine sales strategies and contribute to our success. Must have requirements Qualified technical degree (preferred in manufacturing, mechanical engineering, or a related field). Practical experience in the manufacturing sector, ideally with CNC machining or tooling. Experience selling into larger manufacturing businesses, targeting profiles like production planners, operations leads, group leaders, or technical sales roles. Familiarity with SaaS sales cycles, especially for highly technical or manufacturing-related software. Nice to have requirements Experience in the tooling or manufacturing equipment sales industry (e.g. selling machining tools like Würth). Knowledge of large manufacturing companies, including operations planning and production management.
Are you a skilled mechanic or technician with a passion for classic cars, especially classic Minis? At Mini Sport Ltd, we specialise in restoring and maintaining classic Minis to their original glory—creating everything from bespoke celebrity builds to championship-winning competition cars. With over 55 years of industry-leading expertise, we're renowned for our craftsmanship, passion, and attention to detail. We're now looking for an enthusiastic Classic Car Technician/Car Mechanic/Motor Vehicle Technician to join our dedicated team and help us preserve automotive heritage. This is your opportunity to combine your mechanical talents with your love for classic British motoring. Key Responsibilities: Mechanical Diagnosis & Repairs: Identify and rectify mechanical issues on a diverse range of classic Minis and other vehicles to ensure optimal performance and reliability. Routine Servicing: Conduct regular maintenance tasks including oil changes, brake servicing, suspension work, and engine tune-ups. Customisation & Restoration: Assist in fitting performance upgrades, specialist components, and accessories for restoration, modification, and competition builds. Quality & Safety Assurance: Guarantee all repair work meets Mini Sport’s exceptional standards for quality, safety, and authenticity. Detailed Documentation: Maintain precise and detailed records of work carried out, parts used, and time spent. Team Collaboration: Work effectively within a friendly, skilled, and passionate team, collaborating to deliver on restoration projects, repairs, and deadlines. About You: Experienced & Passionate: Proven background as a mechanic, technician, or automotive engineer, ideally with exposure to classic or vintage vehicles (Minis preferred, but not essential). Technical Expertise: Excellent mechanical understanding of vehicle systems including engines, gearboxes, suspension, steering, brakes, and electrical systems. Skilled Diagnostician: Confident in diagnosing, troubleshooting, and solving complex mechanical and technical issues. Attention to Detail: Strong commitment to quality workmanship, precision, and authenticity in restoration projects. Practical & Proactive: Proficient with hand tools, power tools, workshop machinery, and diagnostic equipment. Problem-Solver: Enjoys the challenges of restoration and repair, demonstrating excellent problem-solving abilities and a keen willingness to learn new skills. Valid UK Driving Licence: Must hold a valid UK driving licence. Desirable (but not essential) Qualifications & Experience: Previous experience with classic Minis. BTEC, City & Guilds, NVQ Level 3 or equivalent automotive qualification. Knowledge of traditional restoration techniques, parts sourcing, and classic vehicle authenticity. Why Join Mini Sport Ltd? Competitive Salary: Excellent remuneration package tailored to your skills and experience. Career Growth: Opportunities for ongoing training, development, and career progression. Employee Perks: Enjoy attractive discounts on parts, accessories, and products. Work Environment: Join a supportive, family-oriented workplace that genuinely shares your enthusiasm for classic British motoring. Unique Projects: Work on prestigious builds and restorations, including celebrity vehicles, rare Minis, and motorsport legends. State-of-the-art Facility: Operate within a fully equipped, purpose-built restoration and engineering workshop. Additional Information: Location: On-site, full-time position based at our renowned facility at Mini Sport Ltd. Hours: Full-time position, standard working hours (Monday–Friday). Eligibility: Must have the legal right to work in the UK (visa sponsorship unavailable). How to Apply: Excited to be part of the Mini Sport story? Submit your CV and cover letter outlining your relevant experience, enthusiasm for classic cars, and why you’d be the perfect fit for our team. We look forward to hearing from passionate classic car enthusiasts ready to join our family! Equal Opportunities: Mini Sport Ltd is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
A small, well-established automotive business has a permanent Full-Time vacancy available for a time-served experienced Automotive Technician looking to join its friendly team in Bedford. Candidates must be able to work on their own initiative within the workshop. In addition to being competent in routine fault finding, general repairs and servicing, candidates must be familiar with diagnostic software and test equipment to diagnose and repair faults in engine management systems, ABS lighting and air-bags. Experience of using the Bosch ESI[tronic] software would be an advantage. Bosch trained Technicians would also be at an advantage. Applicants must have a full clean driving licence. Salary negotiable. Full time hours are Monday to Friday 8:30 to 5:30 with overtime Saturday 9:00 to 1:00. We will also consider applications from trainees if you have a genuine interest or qualification in the automotive industry.
We are looking for a MOT tester/Vehicle technician for our garage in Forest Gate. The role comprises of a mix of MOT testing and repair work Perform routine maintenance and repairs on vehicles Diagnose and troubleshoot mechanical issues Conduct inspections and identify necessary repairs or replacements Communicate with team members to ensure efficient workflow Skills/Qualifications Qualified Tester Class IV (and ideally Class VII) Proficient in vehicle diagnostics and repair techniques Strong knowledge of automotive systems, including engines, transmissions, brakes, and electrical systems on all makes and models Excellent problem-solving skills and attention to detail Good communication skills Requirements: - Have at least 1 years hands on experience within the workshop - You hold a NVQ level 3 Vehicle Maintenance & repair or equivalent Vehicle Technician qualification (City and Guilds) • Full UK Driving License We can offer you: - £32,000 salary - 20 days paid holiday
Job description/requirements – We are looking for a motivated individual with an interest in internal combustion engines. Engine reconditioning and hands-on machining to join our team. This role involves reconditioning cylinder heads, performing head skimming/facing and working with lathes, mills, boring machines, and crankshaft equipment. · Operate and maintain older machinery, including lathes, mills, and boring equipment. · Uphold high standards of precision and quality in all work. · A strong interest in internal combustion engines and mechanical work. · Basic knowledge of and experience with engine reconditioning, head skimming/facing, cutting valve seats, crankshaft grinding etc. · Willingness to learn and work with older machines. · Attention to detail and a commitment to producing high quality work. · Able to speak, read and write in English. · Reliable, punctual, and able to work independently or as a part of a team. If you are enthusiastic about engines and have the skills, experience, and have the interest to excel in this role. We would love to hear from you.
Field Service Engineer – Forklift Trucks Salary: £30,000 - £45,000 + overtime Location: Basingstoke & Surrounding Areas Benefits: -Competitive salary -Company van & fuel card -Attractive company pension scheme -Sick pay -20 holidays plus bank holidays -Private medical insurance About Us: PHL is one of Europe’s largest forklift wholesalers, supplying high-quality equipment to dealers worldwide. Operating from our fast-paced Basingstoke site with nearly 1,000 forklifts, we are a growing company that values career progression and skill development. Role Overview: We’re looking for an experienced Field Service Engineer with strong electrical and mechanical expertise to join our team. You will be responsible for servicing, diagnosing, and repairing forklifts and material handling equipment at customer sites, ensuring minimal downtime and high-quality service. Key Responsibilities: -Carry out electrical and mechanical repairs, servicing, and maintenance on forklifts and material handling equipment. -Diagnose and efficiently resolve electrical faults. -Travel to customer locations for on-site service and repairs. -Ensure all work meets safety and quality standards. -Provide excellent customer service and technical support. -Complete job reports and documentation accurately. What We’re Looking For: -Strong electrical and mechanical engineering experience, particularly with forklifts or similar equipment. -UK driving licence (essential). -Ability to diagnose and resolve faults efficiently. -Good communication skills and a proactive approach. -Willingness to work independently and manage workloads effectively.