NewOutside Sales Representative – Industrial Distribution - Uncapped Commission JobotOutside Sales Representative – Industrial Distribution - Uncapped CommissionLexington, KY$50,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This field-based role focuses on consultative, solution-oriented selling within an industrial distribution environment, with an emphasis on building long-term customer relationships and generating new revenue.
NewNational Sales Representative Vaco LLCNational Sales Representativelouisville, KY$95,000–$100,000 / yearDetermining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. This role is responsible for identifying new business opportunities, developing strategic customer relationships, and selling manufacturing products and solutions to distributors, OEMs, industrial customers, and end users.
NewMechanical Design Engineer JobotMechanical Design EngineerBowling Green, KY$80,000–$95,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This opportunity puts you right in the middle of product development, working closely with engineering, sales, and manufacturing teams to create practical, high-quality designs that meet real-world customer needs.
NewControls Engineer Gables Search GroupControls EngineerLouisville, KY$90,000–$130,000The Controls Engineer II is responsible for the advanced support of all phases of a controls project to include concept and research, estimating support, component selection, network design, panel design, layout, device troubleshooting, PLC and HMI programming; on-site installation and debug; and after-sales support while working with minimal supervision. A successful Controls Engineer II has an advanced level of knowledge and understanding of commonly used controls engineering concepts, PLC programming and practices with an ability to lead/mentor entry level Controls Engineers as well as a willingness to attend training to further build their knowledge and abilities to advance to the next level.
NewRegional Sales Engineer Richards IndustrialsRegional Sales EngineerLouisville, KYWe support some of the largest companies in North America, serving industries from pharma, food & beverage, and chemical to energy, automotive, aerospace, semiconductors, HVAC, hospitals, education, and data centers. This is a hands on, full cycle sales role focused on new account acquisition, reactivation of dormant accounts, and expansion of existing customers through cross selling.
Inside Sales Engineer Eaton Corporation PlcInside Sales EngineerLouisville, KY$69,000–$101,000 / yearResponsibilities include but are not limited to: closing orders based upon expertise developed in selling skills and technical knowledge, selling abilities to position Eaton Electrical into preferred position in market and customer activity, providing technical knowledge regarding products/services, conducting product and quotations training for electrical distributor partners, negotiating & pricing industrial and construction projects. You will establish and maintain the highest possible commercial relations with present and potential customers (internal and external) by effectively employing the highest level of skills with regard to the art of salesmanship, application engineering, product knowledge, knowledge of customers business and organization and knowledge of Eaton product lines strategic plans for sales growth.
Outside Sales Engineer THERMAL EQUIPMENT SALES, INC.Outside Sales EngineerLexington, KYOutside Sales Engineer | Thermal Equipment Sales. Thermal Air Quality - A Division of TES.
NewSenior Sales Engineer, Majors - TN/KY Zscaler IncSenior Sales Engineer, Majors - TN/KYKYRemote$154,875–$221,250 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.
Technical Sales and Field Service Engineer CaptiveAire SystemsTechnical Sales and Field Service EngineerLouisville, KYPrimary Job Responsibilities: Provide integrated application engineering and design support for a wide range of ventilation applications with the goal of providing sustainable products and the latest technologies best designed to meet the customers' needs. Strong commitment to the development of our employees, including continuous education opportunities like sponsorship for Professional Engineering license and continuous education through weekly webinars and company developed technical videos.
NewRegional Sales Engineer Richards IndustriesRegional Sales EngineerLouisville, KYWe support some of the largest companies in North America, serving industries from pharma, food & beverage, and chemical to energy, automotive, aerospace, semiconductors, HVAC, hospitals, education, and data centers. This is a hands on, full cycle sales role focused on new account acquisition, reactivation of dormant accounts, and expansion of existing customers through cross selling.
Broadband Sales Engineer Amphenol Network Solutions IncBroadband Sales EngineerKY$79,000–$148,000 / yearAs a member of our fast-moving Mission Critical team, you will work with outside sales and channel partners to grow new business, support strategic accounts, and represent Amphenol Network Solutions as a thought leader at industry events and tradeshows. Guided by a bold vision to connect people with technology, Amphenol serves a wide range of markets, including IT Datacom, Mobile Devices, Mobile Networks, Broadband, Industrial, Automotive, Commercial Aerospace, and Military.
Senior Sales Engineer - Mainframe Security Rocket SoftwareSenior Sales Engineer - Mainframe SecurityFrankfort, KYRemote$105,000–$141,750 / yearRocket Software Sales Engineers are experienced technical professionals with an extensive enterprise software sales background who can successfully be the technical sales lead on software sales opportunities to progress and close business. We help extend the value of these assets, enabling our customers to embrace the potential of cloud and mobile computing, advanced analytics, and the innovations of tomorrow.
Technical Sales and Field Service Engineer CaptiveAireTechnical Sales and Field Service EngineerLouisville, KentuckyProvide integrated application engineering and design support for a wide range of ventilation applications with the goal of providing sustainable products and the latest technologies best designed to meet the customers’ needs. Strong commitment to the development of our employees, including continuous education opportunities like sponsorship for Professional Engineering license and continuous education through weekly webinars and company developed technicalvideos.
NewSales Engineer Actalent IncSales EngineerLouisville, KY$100,000–$120,000 / year5-10 years of relevant experience in technical sales, business development, account management, or commercial roles within CNC machining, injection molds, tooling, precision manufacturing, or closely related industries. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing winner for both client and talent service.
Sales Engineer OTC Industrial TechnologiesSales EngineerCalvert City, KYAs a Sales Engineer you will be responsible for generating a forecasted sales/gross margin and managing all aspects of sales and customer service in specific assigned territory and accounts. Strong computer skills including Microsoft Office Suite (Word, PowerPoint, Outlook, and Excel), and CRM/Selltis experience preferred.
NewSales Engineer Burnout BrandsSales EngineerBardstown, KY$41,600–$52,000With advanced in-house capabilities—including CNC machining, Spintron testing, and specialized camshaft grinding—BTR designs, tests, and manufactures products trusted by enthusiasts, engine builders, and racers worldwide. Founded in 2012, BTR has become a leader in high-performance camshafts, valvetrain systems, and precision-engineered components for modern American pushrod engines.
Controls Outside Sales Engineer AECControls Outside Sales EngineerLouisville, KentuckyThe Sales Engineer will focus specifically on AEC’s industry-leading controls and critical environment offerings, including ABB Variable Frequency Drives (VFDs) and Phoenix Controls airflow control solutions, along with complementary product lines such as airflow monitoring, dampers, hydronic measurement, demand control ventilation, and life safety systems. This role serves as a trusted advisor to consulting engineers, mechanical contractors, controls contractors, and building owners by delivering technical expertise, responsive service, and value-added solutions.
NewSales Engineer and Project Manager ReFlexSales Engineer and Project ManagerKentuckyThis position serves as a critical bridge between sales, engineering, and operations, helping Boone Steel grow fabrication while maintaining excellence in its distribution. This role is central to Boone Steel’s growth strategy: Maintains strength in core distribution revenue.
W. KY Outside SAC44 - Senior Sales Engineer SMC CorpW. KY Outside SAC44 - Senior Sales EngineerKYMaintains/creates very strong and deep-rooted relationships with key decision makers within designated strategic target accounts; recognized and respected by customer's top management team within top rated accounts. By fostering strong relationships and delivering value-added services, the Senior Sales Engineer contributes to the overall success and expansion of the companys industrial automation business.
NewHydronic Equipment Sales Engineer Air Equipment CompanyHydronic Equipment Sales EngineerLouisville, KYThe Sales Teams, consisting of Applied Commercial Equipment Sales, Hydronic Equipment Sales, Industrial Equipment Sales, and Owner/Service Sales, all work together on strategy, design, proposal generation, and job costing. At AEC, you'll join a company where local roots meet the strength of a national network—giving you the tools to grow, the space to innovate, and the chance to make a real impact from day one.
Sales Operations Engineer Belcan LLCSales Operations EngineerCovington, KY$45–$55 / hourCandidates who thrive in this role are detail-oriented, technically curious, comfortable interacting with customers, and enjoy bridging the gap between engineering and commercial teams. Keywords: #ApplicationsEngineering #TechnicalSales #CapitalEquipement #ProposalDevelopment #CostEstimating #PackagingEquipemnt.
NewRegional Sales Engineer Fortinet IncRegional Sales EngineerLouisville, KYFortinet empowers its customers with intelligent, seamless protection across the expanding attack surface and the power to take on ever-increasing performance requirements of the borderless network - today and into the future. 3 years relevant pre/post-sales experience and bachelor''s degree in Engineering, Technology, Computer Science, Computer Engineering, or related field subject.
Hydronic Equipment Sales Engineer AECHydronic Equipment Sales EngineerLouisville, KentuckyThe Sales Teams, consisting of Applied Commercial Equipment Sales, Hydronic Equipment Sales, Industrial Equipment Sales, and Owner/Service Sales, all work together on strategy, design, proposal generation, and job costing. At AEC, you’ll join a company where local roots meet the strength of a national network—giving you the tools to grow, the space to innovate, and the chance to make a real impact from day one.
Outside Sales Engineer AECOutside Sales EngineerLouisville, KentuckyAt AEC, you’ll join a company where local roots meet the strength of a national network—giving you the tools to grow, the space to innovate, and the chance to make a real impact from day one. Education and experience with the construction and engineering industry, with specific experience in dealing with construction drawings, specifications, construction schedule and processes is a plus.
Industrial Outside Sales Engineer AECIndustrial Outside Sales EngineerLouisville, KentuckyThe Sales Teams, consisting of Commercial Equipment Sales, Industrial Equipment Sales, Controls Sales, and Hydronic Equipment Sales, all work together on strategy, design, proposal generation, and job costing. At AEC, you’ll join a company where local roots meet the strength of a national network—giving you the tools to grow, the space to innovate, and the chance to make a real impact from day one.
Technical Sales Support Engineer THERMAL EQUIPMENT SALES, INC.Technical Sales Support EngineerLexington, KYTechnical Sales Support Engineer | Thermal Equipment Sales. Thermal Air Quality - A Division of TES.
NewSenior Sales Engineer - Industrial Refrigeration / HVAC Systems Gables Search GroupSenior Sales Engineer - Industrial Refrigeration / HVAC SystemsLouisville, KY$110,000–$120,000 / yearThe position operates within a design-build mechanical contractor environment , working closely with engineering and operations teams to support project development and execution. This position is based in the Cincinnati area and supports the Southwest Ohio territory , so candidates must live within commuting distance or be open to relocating.
NewSystem Sales Applications Engineer - Intralogistics Regal Rexnord CorpSystem Sales Applications Engineer - IntralogisticsFlorence, KYThe successful candidate brings a strong understanding of material handling and intralogistics workflows (conveyance, sortation, accumulation, pallet handling, warehouse automation interfaces) and can rapidly develop system concepts, perform equipment sizing, create BOMs and cost models, and support proposal development through order conversion. The Company's end markets benefit from meaningful secular demand tailwinds, and include factory automation, food & beverage, aerospace, medical, data center, warehouse, alternative energy, residential and commercial buildings, general industrial, construction, metals and mining, and agriculture.
Territory Sales Engineer Schneider Electric SETerritory Sales EngineerLexington, KYWhat will you do: Drive business growth by developing and maintaining strong relationships with assigned contractors through regular field interactions Execute comprehensive sales strategies to maximize business opportunities and achieve sales targets Conduct needs assessments and deliver compelling product demonstrations and presentations Create and present professional sales proposals and bids to secure new business Identify and pursue new business opportunities while maintaining existing customer relationships What will make you successful: Proven track record in face-to-face and remote B2B sales with demonstrated results Strong relationship-building abilities with excellent communication and negotiation skills Experience in developing and delivering compelling sales presentations and proposals Ability to understand customer needs and recommend appropriate solutions Self-motivated with excellent time management and territory planning skills What's in it for you: Opportunity to manage your own portfolio of contractors and territory Performance-based rewards structure tied to your achievements Autonomy to develop and implement your sales strategies Professional development and growth opportunities Company vehicle and tools needed for success in the field Let us learn about you! Our Trust Charter is our Code of Conduct and demonstrates our commitment to ethics, safety, sustainability, quality and cybersecurity, underpinning every aspect of our business and our willingness to behave and respond respectfully and in good faith to all our stakeholders.
Geographic Sales Engineer Schneider Electric SEGeographic Sales EngineerLexington, KYWhat will you do: Drive sales performance by developing and maintaining strong relationships with assigned contractors through regular field visits and interactions Assess customer needs and recommend tailored products, services, and solutions to maximize business opportunities Create and deliver compelling sales presentations, bids, and proposals while conducting effective product demonstrations Identify and engage prospective customers to generate new business opportunities and foster repeat business Execute strategic sales initiatives to achieve and exceed targets within your assigned geographical territory What will make you successful: Proven track record in face-to-face and remote B2B sales with demonstrated ability to meet and exceed targets Strong relationship-building skills with the ability to understand and address contractor needs effectively Excellence in creating and delivering impactful sales presentations and proposals Demonstrated success in prospecting and developing new business opportunities Strong organizational and territory management capabilities What's in it for you: Ownership of a dedicated contractor portfolio with opportunity to build and expand your territory Performance-based rewards structure aligned with your sales achievements Continuous professional development and growth opportunities Autonomy to develop and implement your sales strategies Supportive team environment focused on collective success Let us learn about you! Our Trust Charter is our Code of Conduct and demonstrates our commitment to ethics, safety, sustainability, quality and cybersecurity, underpinning every aspect of our business and our willingness to behave and respond respectfully and in good faith to all our stakeholders.
Coming Soon - Sales Engineer (Material Handeling) MRINetwork JobsComing Soon - Sales Engineer (Material Handeling)Erlanger, KentuckyWe’ll soon be potentially recruiting for a sales role in automation with a focus on Fanuc solutions, palletizers, and material handling systems. If you’re interested in automation sales or know someone who may be looking to join a company on the rise, please let me know.
Engineer Commercial Sales Everon LLC.Engineer Commercial SalesLouisville, KYDesigns building fire/ security systems for large and/or complex buildings consisting of electrical system layouts, electrical drawings, bill of materials, sequence of operations matrix, risers, panel layouts to meet the intent of the project plans, specifications and contract documents. Job Responsibilities: Supports field sales organization in the designing of Everon Fire Alarm, Intrusion Security, CCTV, and Card Access Systems and may need to create unique design solutions to meet specific customer requirements.
Engineer Commercial Sales Everon JobsEngineer Commercial SalesLouisville, KentuckyDesigns building fire/ security systems for large and/or complex buildings consisting of electrical system layouts, electrical drawings, bill of materials, sequence of operations matrix, risers, panel layouts to meet the intent of the project plans, specifications and contract documents. Job Responsibilities: Supports field sales organization in the designing of Everon Fire Alarm, Intrusion Security, CCTV, and Card Access Systems and may need to create unique design solutions to meet specific customer requirements.
Sales Engineering Mechanical Engineer II Mazak CorporationSales Engineering Mechanical Engineer IIFlorence, KentuckyThe Sales Engineering Mechanical Engineer will work with the engineering group to manage and coordinate project activities, support existing product offerings, and perform testing and analysis to define, troubleshoot and improve product specifications. • Work directly with Marketing, Purchasing, Production, Sales and Executive Management to develop industry leading machine tool solutions; research competitor products to ensure and maintain market leadership.
Sales Manager - Fire Sprinkler Ryan Fireprotection IncSales Manager - Fire SprinklerLouisville, KYThe Sales Manager is responsible for leading and developing a team of Sales Engineers (Estimators) who pursue new project opportunities and build relationships with general contractors and owner-direct customers for fire sprinkler projects. This role oversees the bid pipeline, ensures estimate and proposal accuracy, drives capture rates and margin performance, and ensures a smooth handoff of sold projects to operations.
Sales Manager - Fire Sprinkler Ryan FireprotectionSales Manager - Fire SprinklerLouisville, KentuckyThe Sales Manager is responsible for leading and developing a team of Sales Engineers (Estimators) who pursue new project opportunities and build relationships with general contractors and owner-direct customers for fire sprinkler projects. This role oversees the bid pipeline, ensures estimate and proposal accuracy, drives capture rates and margin performance, and ensures a smooth handoff of sold projects to operations.
NewNational Sales Manager GpacNational Sales ManagerLouisville, KY80000–150000This role leads national sales activities, develops key account strategies, and builds long-term relationships with plant, engineering, and procurement stakeholders. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990.
Outside Sales Representative Group CBSOutside Sales RepresentativeAshland, KY$75,000–$130,000Full timeRegional Sales Manager, Technical Sales Representative, Electrical Service Sales Representative, Key Account Manager, Business Development Manager, Sales Engineer, Regional Business Development Representative. Founded in 1985, Premier Power Maintenance provides high voltage specialty services including NETA testing, protection and control commissioning, life extension, and specialty construction services.
Manager, Sales Engineering - London, England Sovos ComplianceManager, Sales Engineering - London, EnglandLondon, ENThis leader will play a key role in advancing a value- and outcomes-based pre-sales motion, ensuring discovery, solution positioning, and demonstrations clearly articulate the value of the Sovos platform to enterprise and mid-market customers throughout Europe. Reporting to the Senior Director of Sales Engineering, this role will focus on elevating pre-sales execution, strengthening AE partnership, and driving consistency in how we engage customers across complex, multi-country deals.
Technical Sales Representative NEFF AutomationTechnical Sales RepresentativeBowling Green, KentuckyTechnical Sales Representative – Industry Leading Solutions Provider Neff is an industry leading automation solution provider selling best in class technology to manufacturers across a wide range of industries. NEFF is a fourth-generation family-owned business dedicated to the success of its customers, partners, and its employees and offers a substantial compensation and benefits package that includes: Industry leading salary and incentive opportunities with no cap.
Sales Manager, Services and Training Noble Supply And LogisticsSales Manager, Services and TrainingLexington, KYThe ideal candidate possesses a deep understanding of the military, federal, law enforcement, and first responder markets, and brings a proven track record of selling first responder equipment. Represent Noble IQ at major industry conferences, trade shows (e.g., SHOT Show, TR\EX), and networking events alongside the sales team.
Vice President, Sales Engineering XometryVice President, Sales EngineeringLexington, KYSolution Architecture & Design: Guide the team in understanding complex customer requirements and designing tailored technical solutions leveraging Xometry's platform and services.- Pre-Sales Support & Demonstrations: Oversee the delivery of compelling product demonstrations, technical presentations, and proof-of-concept engagements to enterprise clients.- Strong technical background with a deep understanding of manufacturing processes (e.g., CNC Machining, 3D Printing, Sheet Metal Fabrication, Injection Molding).- Experience working with enterprise-level clients and managing complex sales cycles.-
Thermal Air Quality - Outside Sales Representative THERMAL EQUIPMENT SALES, INC.Thermal Air Quality - Outside Sales RepresentativeLouisville, KYThermal Air Quality - Outside Sales Representative | Thermal Equipment Sales. Thermal Air Quality - A Division of TES.
Regional Sales Manager Gus Perdikakis AssociatesRegional Sales ManagerHebron, KYThe ideal candidate bridges technical engineering concepts with commercial strategy, working closely with prospective clients, distributor networks, and global product teams to deliver safe, highly reliable wireless control systems. Primary Objective: Develop, execute, and manage strategic sales and marketing initiatives to increase revenue, market share, and gross profitability for safety radio remote control systems within assigned regional and industrial segments.
Senior Solutions Engineer, Injection Molding Xometry IncSenior Solutions Engineer, Injection MoldingLexington, KYJust as comfortable in deep technical discussions with engineers and manufacturing professionals as they are presenting to varied audiences, including executives • Consultative, making sure to ask questions to understand the why • Experienced at preparing technical solutions for business proposals • Driven and self-motivated with the ability to manage several long-term projects with minimal oversight in a fast-paced startup environment • Have strong interpersonal skills • Engineering degree (Mechanical or Plastics preferred), or related technical degree • 5 to 7+ years experience in an engineering or technical field • Demonstrated project management and presentation skills • CAD and technical drawing experience • Demonstrated expertise in some of the following areas: New Product Development, Materials Science, Plastics Engineering, Mold Design • Excellent written and verbal communication skills, including mastery in English • Willingness to travel up to 20%. In this role you will: • Support Sales and to conduct discovery meetings to uncover business and technical requirements that map to Xometry solutions • Consult with prospects and customers to identify appropriate applications of Xometry technology to define a business case and solution • Demonstrate Xometry capabilities, including Xometry software quoting platform • Support internal product, sales, quoting, and engineering teams by driving feedback and content for marketing collateral through case studies • Support marketing efforts by serving as an industry thought leader at events and webinars.
Clinical Specialist Opportunities for National Sales Network Career Event - Aug. 12-14, Washington DC Medtronic PlcClinical Specialist Opportunities for National Sales Network Career Event - Aug. 12-14, Washington DCKYThe following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program). Peripheral & Endovenous: Peripheral and Superficial Venous Interventions (SVI) therapies are a critical part of the Medtronic vascular portfolio, treating patients with a broad range of conditions, including Peripheral and Carotid Disease, End Stage Renal Disease, Peripheral Embolization, and Superficial and Deep Venous Disease.
Regional Sales Manager - Northeast Fox Factory IncRegional Sales Manager - NortheastKYOur premium brand, performance-defining products and systems are used primarily on bicycles, side-by-side vehicles, on-road vehicles with and without off-road capabilities, off-road vehicles and trucks, all-terrain vehicles, snowmobiles, specialty vehicles and applications, motorcycles, and commercial trucks. Our brands include Amazing Trucks, Rocky Ridge, Black Widow, Harley-Davidson Trucks, Badlander, Black Ops, and other premium vehicle programs sold exclusively through franchise dealerships across North America.
Regional Sales Manager - Southeast Fox Factory IncRegional Sales Manager - SoutheastKYOur premium brand, performance-defining products and systems are used primarily on bicycles, side-by-side vehicles, on-road vehicles with and without off-road capabilities, off-road vehicles and trucks, all-terrain vehicles, snowmobiles, specialty vehicles and applications, motorcycles, and commercial trucks. Our brands include Amazing Trucks, Rocky Ridge, Black Widow, Harley-Davidson Trucks, Badlander, Black Ops, and other premium vehicle programs sold exclusively through franchise dealerships across North America.
Sales Director, SaaS, SiliconExpert Arrow Electronics IncSales Director, SaaS, SiliconExpertKYRemote$191,300–$353,578.50 / yearJob Description: SiliconExpert's Americas Sales team targets and partners with some of the largest institutions in the world, providing software, AI, and data insights across the electronics supply chain to deliver innovation to the most complex global problems. Adopt an ROI-based approach to identifying and executing strategic plans for new market segments, competitive opportunities, and new solution offerings in partnership with strategy, marketing, and product management.
Regional Sales Manager - Mid-East, US Consolidated Metco IncRegional Sales Manager - Mid-East, USKY$100,000–$172,000 / yearA leading global provider to original equipment manufacturers and aftermarket channels, ConMet delivers wheel ends, cast metal components, plastic systems, and automated aerodynamic devices. Accordingly, the Company will not pay wages to any employee at a rate less than the Company pays to other employees for work that is substantially equivalent and requires comparable skills unless a bona fide factor justifies a pay differential.