Sr. Software Engineer (.NET / PHP) JobotSr. Software Engineer (.NET / PHP)Nashville, TNRemote$100,000–$140,000 / 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. You'll play a key role in designing, developing, and maintaining backend services for a mature SaaS platform while helping support an evolving technology stack.
NewJunior Electrical Engineer JobotJunior Electrical EngineerNashville, TN$80,000–$100,000 / 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. We are a fast-growing, technology-driven construction company specializing in delivering complex commercial projects with speed, precision, and accountability.
Controls Engineer (Automotive) JobotControls Engineer (Automotive)Nashville, TN$90,000–$130,000 / 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. You'll play a key role in developing new control systems, improving existing equipment, and supporting production through automation, process optimization, and continuous improvement initiatives.
NewBuilding Automation Systems Design Engineer JobotBuilding Automation Systems Design EngineerNashville, TN$90,000–$120,000 / yearExperience with one or more BAS platforms including Tridium Niagara, Schneider EcoStruxure, Siemens Desigo, Johnson Controls Metasys, Distech, Delta Controls, Reliable Controls, Honeywell, Alerton, or Automated Logic (WebCTRL). A full-service building automation systems (BAS) integrator specializing in HVAC controls, energy management, security integration, and whole-building automation for commercial, healthcare, education, government, industrial, and institutional facilities.
Field Service Engineer - PLC JobotField Service Engineer - PLCNashville, TN$90,000–$115,000 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
NewEngineer IV - WCS GeodisEngineer IV - WCSBrentwood, TNCollaborates with solutions and engineering teams to develop the function design and documents to share with cross-functional teams, and to ensure that functionality is applied correctly and can be successfully implemented. Acts as a subject matter expert when collaborating with other design engineering team members to ensure designs are supported with appropriate application of material handling equipment and automation.
Senior Maintenance Engineer Marriott International, IncSenior Maintenance EngineerNashville, TN$21Display professional journeyman level expertise in at least three of the following areas with basic skills in the remaining: air conditioning and refrigeration, electrical, plumbing, carpentry and finish skills, mechanical, general building management, pneumatic/electronic systems and controls, and/or energy conservation. Rooted in our expertise and leadership in meetings and experiences, Gaylord Hotels intentionally deliver environments, services and programming that bring people together in an extraordinary way.
NewROM Solutions Engineer GeodisROM Solutions EngineerBrentwood, TNYou will act as the front-end quarterback rapidly assessing opportunities, aligning stakeholders, and determining the right path forward whether that’s quick ROM pricing, minor engineering support, or creating the full scope for Solutioning through GeoLaunch. This role is designed to solve a critical gap: too many opportunities enter solutioning without clear scope, resulting in wasted effort, slower cycle times, and missed momentum.
NewSr Ind Engineer - DCD GeodisSr Ind Engineer - DCDBrentwood, TNLeads detailed engineering process on new business awards to take the design from conceptualization to full detailed design ready for implementation by performing data analyses, developing material handling specifications, working with vendors to obtain quotes, and generating a detailed, engineered AutoCAD layout with fitment into the selected facility. Participates on a team responsible for the implementation of new business by developing operational strategies (put-away, waving, picking, zoning, slotting, etc.) and preparing the WMS configuration file with all needed locations slotting/zoning /sequencing /put-away and picking profiles for the facility.
NewIndustrial Engineer III - DCD GeodisIndustrial Engineer III - DCDBrentwood, TNLeads detailed engineering process on new business awards to take the design from conceptualization to full detailed design ready for implementation by performing data analyses, developing material handling specifications, working with vendors to obtain quotes, and generating a detailed, engineered AutoCAD layout with fitment into the selected facility. · Participates on a team responsible for the implementation of new business by preparing WMS configuration files with all needed locations slotting/zoning/sequences/put-away and picking profiles for the facility and preparing slotting files and/or slotting tool for the facility.
Project Engineer Keller North America, Inc.Project EngineerNashville, TNFinancial Management • Analyzes targets and goals, job cost summaries, and other reports.• Creates and obtains approval of the initial budget and subsequent updates/changes.• Reviews weekly job cost summaries and advises the Project Manager.• Collaborates with pre-construction and the project team to manage the job transition process, communicate project requirements, and develop the initial procurement plans and budgets.• Background Requirements (Knowledge, Skills, Experience) • Bachelor’s degree in Civil Engineering or Construction Management with a minimum of 2 years industry experience or 4 years of industry-related experience.• Excellent computer, written and verbal communication skills necessary.•
NewSenior Field Engineer ABM IndustriesSenior Field EngineerNashville, TN$65–$80Commission new substations, power equipment, relaying (electro-mechanical, solid state and microprocessor), pilot channel equipment (power line carrier, pilot wire, transfer, transfer trip, fiber optic, CVT’s, line tuners, line traps, etc.), controls and communications equipment. Founded in 1909, ABM serves over 20,000 clients, with annualized revenue approaching $8 billion and more than 100,000 team members in 350+ offices throughout the United States, United Kingdom, Republic of Ireland, and other international locations.
NewField Engineer 4 AxelonField Engineer 4Nashville, TN$21.43–$24.29 / hourGeneral knowledge of laptop/desktop hardware and software including basic knowledge of Microsoft applications. Assigned service requests to repair laptops and desktops in the metro area.
Sales Engineer | Metal Components Manufacturing | Nashville, TN Michael Page USASales Engineer | Metal Components Manufacturing | Nashville, TNNashville, TN$100,000–$120,000 / yearFull timeOur client is a well-established manufacturing organisation with decades of experience delivering highly engineered metal components and custom solutions to leading original equipment manufacturers (OEMs). This Sales Engineer role combines technical expertise and business development, allowing you to work closely with executive leadership while expanding key customer relationships and opening new markets.
Sales Engineer - Metal Components - Nashville, TN Michael Page USASales Engineer - Metal Components - Nashville, TNNashville, TN$120,000–$140,000 / yearFull timeOur client is a well-established manufacturing organisation with decades of experience delivering highly engineered metal components and custom solutions to leading original equipment manufacturers (OEMs). This Sales Engineer role combines technical expertise and business development, allowing you to work closely with executive leadership while expanding key customer relationships and opening new markets.
PCB/Electronics Sales Engineer - Nashville TN (Onsite) Michael Page USAPCB/Electronics Sales Engineer - Nashville TN (Onsite)Nashville, TN$130,000–$150,000 / yearFull timeThe company partners with leading OEMs across lawn & garden, agricultural equipment, marine, and power sports markets to deliver innovative, durable solutions that support next-generation equipment design and functionality. Develop and execute a strategic sales plan to grow PCBA business across the U.S. Identify and secure new opportunities within target sectors (lawn & garden, agriculture, marine, power sports).
(Remote) Technical Support Engineer Harris Computer Systems(Remote) Technical Support EngineerNashville, TNRemote$65,000–$75,000 / yearWhat your impact will be: Serve as primary technical contact for Globys' international carrier customers - triaging, reproducing, and resolving issues at Tier 1/2 without requiring engineering escalation unless a confirmed software defect or infrastructure failure is identified. This role is the primary technical point of contact for our international carrier customers (AT&T, Telstra, TELUS, OneNZ, and others) and demands someone who is as comfortable writing a SQL query to reproduce a data anomaly as they are walking a client through a configuration fix.
ITS Support Engineer I Amazon.com IncITS Support Engineer INashville, TNAs a part of our IT Services team, you"ll have the opportunity to make a direct impact on Amazon"s corporate global workforce, making sure their laptops, servers, and websites work seamlessly so they can build the technology that businesses worldwide rely on. As an ITS Support Engineer, you"ll be the go-to knowledge expert for Amazon"s corporate employees', providing seamless end-to-end services and friction-less on-site technical support ensuring productivity remains secure and uninterrupted.
Senior Technical Support Engineer Rocket SoftwareSenior Technical Support EngineerNashville, TNRemote$89,000–$120,150 / yearThis role involves independently troubleshooting escalated issues, performing detailed root-cause analysis, and mentoring junior engineers to drive overall team effectiveness. 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.
Desktop Support Engineer Ampcus IncorporatedDesktop Support EngineerGallatin, TNExperienced supporting corporate offices, retail locations, distribution centers, and remote employees while delivering high levels of customer satisfaction and technical service. Provide end-user technical support for desktops, laptops, servers, mobile devices, and peripherals.
192227-1 - Application Support Engineer Akkodis Group AG.192227-1 - Application Support EngineerNashville, TN$57–$61 / hourThe ideal candidate must have strong experience with OpenText Enterprise Content Management (ECM) platforms, including Content Server, Documentum, or Extended ECM, along with expertise in configuration, customization, administration, and enterprise integrations. These regulations may limit access to controlled technologies: 1) to U.S. Persons, including U.S. Citizens, lawful permanent residents, and other narrow categories including some refugees and asylees, or 2) to certain foreign nationals that have received an export license.
NewIT Support Engineer IDR IncIT Support EngineerBrentwood, TNRemoteThis role involves providing technical support for SMB clients, managing on-site and remote troubleshooting, and maintaining client relationships within a flexible work environment. The organization is a managed services provider specializing in diverse technology stacks for small to medium-sized businesses.
AI Support Engineer TechDigital CorporationAI Support EngineerNashville, TNKey responsibilities include day-to-day operational support, incident triage and resolution related to AI APIs, model serving, pipelines, and data flows; monitoring AI health, performance, quality, and cost; coordinating with platform and middleware teams; supporting deployment and configuration of AI services and agent frameworks; performing root cause analysis, and maintaining runbooks, FAQs, and operational documentation. The position requires 8–10 years of application or platform support experience with hands-on exposure to AI/ML environments, including AI platforms (e.g., Vertex AI or similar), LLM-based applications, RAG pipelines, AI APIs, Python scripting, and monitoring AI workloads for latency, usage, errors, and model drift.
NewSupport Engineer Oracle CorpSupport EngineerNashville, TN$23.08–$45.05 / hourOracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business. You will act as both a problem solver and customer advocate, supporting healthcare clients while collaborating across internal teams to resolve complex issues.
Support Engineer II Warby Parker IncSupport Engineer IINashville, TNWho You Are: 1+ years of experience in roles such as Technical Support Engineer, Desktop Support Engineer or similar, with a focus on scalable solutions and 1+ years in a customer-facing service role. They excel at deploying scalable solutions across our fleet of approximately 4,500 iOS devices, 500 macOS devices, 2,000 ChromeOS devices, and 250 Windows devices.
Support Engineer NephilaSupport EngineerNashville, TNYou will be responsible for triaging incoming requests, resolving common technical issues, and coordinating with colleagues across the Infrastructure and Engineering teams to escalate and remediate more complex problems. In this role, you will act as the first point of contact for all technical support issues across the business, providing timely and effective assistance to end users.
Senior HPC Support Engineer - Ethernet and AI Infrastructure NVIDIA CorpSenior HPC Support Engineer - Ethernet and AI InfrastructureTNWe are seeking a highly motivated Senior HPC Support Engineer - Ethernet / AI Infrastructure to be engaging with one of our prestige customers onsite and remote, passionate about data center and networking technologies, to provide comprehensive solutions for sophisticated installations, maintenance, or operations for a broad scope of groundbreaking networking products. What you will be doing: Ability to resolve sophisticated customer concerns and technical issues through meticulous research, reproductions, and solving problems for customers installing our products and supporting systems using Linux Operating Systems (multi-distro), with the focus on NVIDIA Ethernet Switching technologies and our End-to-End Solutions such as NVIDIA Spectrum-X.
Support Engineer Nephila Capital LtdSupport EngineerNashville, TNQualifications, Skills and Experience: A minimum of two years' experience supporting Windows in a corporate environment Basic understanding of Active Directory & Azure Active Directory, Microsoft 365 products, and user account management Familiarity with ticketing systems or IT service management tools Understanding of basic networking concepts Exposure to endpoint management tools is a plus, as is a basic understanding of PowerShell, SQL, and SQL Server Willingness to learn and develop technical skills across infrastructure and cloud technologies. A strong customer service mindset with a helpful and approachable attitude Good communication skills, with the ability to explain technical issues clearly to non-technical users Strong organizational skills and attention to detail A proactive and curious approach to learning and problem solving Ability to manage and prioritize multiple requests in a fast-paced environment A collaborative mindset and willingness to work closely with team members to resolve issues Eagerness to grow into a more advanced technical support role over time.
Remote Support Engineer - CT/MR/VL Canon USA & AffiliatesRemote Support Engineer - CT/MR/VLNashville, TNRemoteThis position emphasizes structured intake, Tier 1 triage excellence, and seamless escalation to Tier 2 resources, while maintaining a strong focus on customer experience, uptime, and operational efficiency Performs all duties in accordance with the company's policies and procedures, all US state and federal laws and regulations, wherein the company operates. The Customer Solutions Center (CSC) Remote Support Engineer plays a critical role in delivering centralized, high-quality remote support for Canon Medical Systems customers across multiple imaging modalities (CT, MR, XR, VL, UL).
Remote Support Engineer -XR/VL Canon USA & AffiliatesRemote Support Engineer -XR/VLNashville, TNRemoteThis position emphasizes structured intake, Tier 1 triage excellence, and seamless escalation to Tier 2 resources, while maintaining a strong focus on customer experience, uptime, and operational efficiency Performs all duties in accordance with the company's policies and procedures, all US state and federal laws and regulations, wherein the company operates. The Customer Solutions Center (CSC) Remote Support Engineer plays a critical role in delivering centralized, high-quality remote support for Canon Medical Systems customers across multiple imaging modalities (CT, MR, XR, VL, UL).
Senior, Desktop/End User Support Engineer Humana IncSenior, Desktop/End User Support EngineerNashville, TN$80,900–$110,300 / yearThrough our Humana insurance services and CenterWell healthcare services, we make it easier for the millions of people we serve to achieve their best health - delivering the care and service they need, when they need it. • Maintain and ensure optimal functioning of office technology: conference room equipment, network infrastructure, digital signage, shared equipment, and related systems.
NewProduct Operations Support Engineer TechDigitalProduct Operations Support EngineerNashville, TNCustomer is seeking a Production Operations Support Engineer to provide end-to-end support for its Direct Sales Program, This role is critical to ensuring smooth day-to-day production operations of the Field Rep App and associated backend services, including monitoring, troubleshooting, and performance optimization across multiple integrated systems. The ideal candidate will have strong debugging skills, experience in modern application stacks, and a proven ability to work across UI, middleware, and backend services in a production environment.
Sr. Associate, Tech Support Engineer L3Harris Technologies IncSr. Associate, Tech Support EngineerNashville, TN2 years of prior related experience in schematic diagrams, mechanical assembly drawings, electrical and electronic test equipment, AC and DC theory, electronics, and general build processes including but not limited to soldering, wiring, PCB handling, and mechanical assembly. Ability to communicate effectively with a wide-range, diverse user community and present ideas and solutions in a user-friendly language to team members and to non-technical staff and end-users.
Senior IT Support Engineer WMESenior IT Support EngineerTennesseeIn addition to resolving day-to-day incidents and service requests across desktops, mobile devices, office technology, AV, and Microsoft 365 services, this role will help improve service quality, documentation, onboarding and offboarding workflows, asset accuracy, and support processes that enable scale. This role is highly user-facing and operationally hands-on, providing Tier 1 and Tier 2 support for the Nashville office while partnering closely with regional and global IT teams to deliver consistent, high-quality end-user experience.
Senior Support Engineer, Product Data Quality & Resolution Oracle CorpSenior Support Engineer, Product Data Quality & ResolutionNashville, TN$51,900–$132,400 / yearActing as a technical point of contact for operational support, the role partners with Oracle''s global manufacturing partners, Product Engineering, Data Centre Operations, and cross-functional engineering teams to investigate technical issues, identify root causes, and drive timely resolution of critical operational incidents. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business.
Tier 3 Support Engineer Pennant ServicesTier 3 Support EngineerNashville, TennesseeWe are a collection of independent, locally led healthcare companies united by a shared purpose and the CAPLICO values - Celebration, Accountability, Passion, Love, Intelligence, Customer Second, and Ownership . The Tier 3 Support Engineer provides advanced technical expertise for complex incidents, major outages, and escalations beyond the scope of Tier 1 and Tier 2 support.
NewIT Support Engineer IDRIT Support EngineerBrentwood, TENNESSEERemoteThe information obtained will be kept confidential and may only be used in accordance with the provisions of applicable laws, executive orders, and regulations, including those that require the information to be summarized and reported to the federal government for civil rights enforcement. This role involves providing technical support for SMB clients, managing on-site and remote troubleshooting, and maintaining client relationships within a flexible work environment.
NewJDE Finance Functional Support Engineer 6434771 Accenture PlcJDE Finance Functional Support Engineer 6434771Nashville, TNKey Responsibilities: We are seeking an experienced JDE Finance Functional Support Engineer with following key responsibilities: Provide functional support for JD Edwards (JDE) Finance modules in a production environment, ensuring timely resolution of incidents and service requests within defined SLAs. In addition to delivering innovative solutions for Accenture's clients, you will work with a highly skilled, diverse network of people across Accenture businesses who are using the latest emerging technologies to address today's biggest business challenges.
IT Support Engineer ClearBalance HealthCareIT Support EngineerFranklin, TNThis role focuses on resolving day-to-day technical issues, provisioning and supporting endpoints and business applications, managing the lifecycle of IT equipment and software assets, and helping ensure employees have the tools and access they need to work effectively. Serve as a primary point of contact for help desk and end-user support, responding to tickets and service requests related to hardware, software, access, printing, mobile devices, and general IT issues.
Support Engineer, Security Integrations Group (SIG) Amazon.com IncSupport Engineer, Security Integrations Group (SIG)Nashville, TNThrough continuous innovation in security technology, methodologies, and automation, the organization drives consistent, scalable, and data-driven improvements supporting Security & Loss Prevention (S&LP) performance while supporting business initiatives in a fast-changing operating environment. Amazon Worldwide Physical Security (PhySec) apart of Amazon"s Worldwide Operations Security (WWOS) is looking for a highly motivated, detail oriented individual to provide application support, troubleshooting, and customer issue resolution for the Security Integrations Group (SIG).
AV Support Engineer WMEAV Support EngineerTennesseeThe Audiovisual Support Engineer plays a critical role by directly supporting all team members, clients, and client business teams, providing technical proficiency in live sound production, a strong awareness of room acoustics, live sound mixing, knowledge and experience with wireless/RF transmission, stage management and level controls, technical knowledge and aptitude for general audiovisual systems, and the ability manage stage production in a compressed time frame. The successful candidate must be detail-oriented, maintain a strong work-ethic, possess exceptional communication skills, confidence in his/her technical abilities, and enjoy working in a highly iterative, agile and fast-paced environment, while maintaining the ability to work well under pressure while prioritizing multiple requests.
NewSenior Field Application Engineer, ODM Support NVIDIASenior Field Application Engineer, ODM SupportUs, TennesseeThis role works closely with internal architecture, engineering, program, account, and partner-facing teams to resolve technical issues, drive readiness, and support successful deployment of NVIDIA accelerated computing platforms through ODM and manufacturing integration ecosystems. Be a technical specialist on GPU and networking products, partnering with account, program, architecture, and engineering teams to support design-in, integration readiness, issue resolution, and successful ramp execution.
Sales Engineer 2, Technical Product Sales Support Comcast CorpSales Engineer 2, Technical Product Sales SupportTNCisco Meraki Blackbelt 1, 2 and 3 - Cisco, Fortinet Network Security Expert Program - Associate - 1 (NSE-1) - Fortinet, Fortinet Network Security Expert Program - Associate - 2 (NSE-2) - Fortinet, Fortinet Network Security Expert Program - Associate - 3 (NSE-3) - Fortinet. Powered by the nation's largest Gig-speed broadband network and backed by 24/7 customer support, Comcast Business is the nation's largest technology provider to small businesses and one of the leading service providers to the Enterprise market.
Inside Sales Engineer Hoffman Mechanical Solutions IncInside Sales EngineerNashville, TNThe Inside Sales Engineer maintains and develops existing customer relationships through quality service and supporting their needs. Position Purpose: The Inside Sales Engineer assists outside sales in providing excellent customer service to our customers.
Mechanical Engineer - Mechanical Construction - Base Salary to 110k/year - Franklin, TN AllSearch Professional StaffingMechanical Engineer - Mechanical Construction - Base Salary to 110k/year - Franklin, TNFranklin, TN$80,000–$110,000 / yearThe successful candidate will serve as the Engineer of Record while collaborating with internal project teams to deliver high-quality mechanical engineering solutions from concept through construction. Support preconstruction and business development efforts through drawing reviews, site evaluations, code research, engineering clarifications, energy audits, and technical consultation.
Water/Wastewater Engineer GpacWater/Wastewater EngineerNashville, TN80000–145000GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. This opportunity offers strong mentorship, leadership visibility, and a clear path to advancement , including project management and potential partnership track for experienced professionals.
Technical Resource Engineer IPG Pipe & Precast EastTechnical Resource EngineerLebanon, TNThe Sales Engineer will focus on positioning Oldcastle Infrastructure as the preferred solution provider for stormwater conveyance, detention, retention, and treatment systems by influencing specifications, supporting complex infrastructure projects, and delivering technically sound, value-driven solutions. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.
NewTechnical Sales and Field Service Engineer CaptiveAire SystemsTechnical Sales and Field Service EngineerNashville, TNPrimary 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.
Geotechnical Engineer S&ME, Inc.Geotechnical EngineerNashville, TNFull timeWhether you see yourself serving as a senior technical resource-overseeing challenging geotechnical projects while guiding and developing junior team members-or taking on a leadership position focused on directing the department and expanding our geotechnical footprint statewide, there is opportunity to build the role around the path that fits you best. You have a Professional Engineer (PE) license in Tennessee or the ability to obtain within 6 months of hireDemonstrates excellent communication and problem-solving skillsA positive attitude that thrives in a collaborative, hands-on environmentWe Are S&ME: At S&ME, we're committed to your growth, professionally and personally.
Technical Resource Engineer CRH PlcTechnical Resource EngineerLebanon, TNThe Sales Engineer will focus on positioning Oldcastle Infrastructure as the preferred solution provider for stormwater conveyance, detention, retention, and treatment systems by influencing specifications, supporting complex infrastructure projects, and delivering technically sound, value-driven solutions. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard hardscape, Echelon Masonry, RDI railing, Catalyst Fence Solutions, Sakrete packaged concrete, Amerimix mortar, Pebble Technology International pool finishes, and Techniseal sands and sealant technologies.