NewSAP IBP Consultant Tech Era LLCSAP IBP ConsultantIrving, TXContractorThe ideal candidate should have hands-on experience with SAP Integrated Business Planning (IBP) and be capable of working with business stakeholders to design and implement planning solutions. Job Description: We are looking for an experienced SAP IBP Consultant to join our team in Dallas, TX.
Senior Cloud Software Engineer – .NET / Azure / Blazor (Microservices Architecture) JobotSenior Cloud Software Engineer – .NET / Azure / Blazor (Microservices Architecture)Coppell, TX$95,000–$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. We are seeking a Senior Cloud Software Engineer to join a growing Data Intelligence and Application Development team focused on building scalable, cloud-native enterprise solutions.
NewTechnical Service Specialist- Controls Parkson Corp.Technical Service Specialist- ControlsDallas, TX$32–$39Full timeField Support: Liaise with customer to provide on-site technical support, site surveys, inspections, maintenance of our equipment for water/wastewater treatment facilities, and provide feedback to Business Units for continuous improvement. Equipment Installation & Maintenance: Install, commission, and maintain water/wastewater treatment systems, pumps, valves, PLCs, HMIs, Controls, and related components.
NewPrincipal Cybersecurity Engineer (Incident Response) Vaco LLCPrincipal Cybersecurity Engineer (Incident Response)Arlington, TX$190,000–$215,000Networking / Protocols – TCP/IP Networking / OSI Model / IP Subnetting / Secure Network Architecture / Network Operations / Application Layer Protocols (HTTP / SSH / SSL/TLS / DNS) / Common Network Protocols / Design Patterns (FTP / SFTP / SSH / RDP / CIFS/SMB / NFS). Determining 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.
NewD365 Business Central Functional Analyst (468979) Vaco LLCD365 Business Central Functional Analyst (468979)Irving, TX$90,000–$115,000Warehouse Management / WMS (strong hands-on) – Business Central Built-In Warehouse Management Functionality and/or Integrated WMS | Full Transactional Lifecycle Mastery (Bin Setup/Management / Receiving / Picking / Put-Aways / Shipments / Inventory Adjustments/Cycles / Cycle Counting / Related Processes) | Execute / Troubleshoot Warehouse Transactions at the Click-Level to Support High-Volume Distribution Ops. Business Central A&F Modules (expertise / in depth) – GL / AP / AR / Fixed Assets / Bank Reconciliation / Cash Management / Cost of Goods Sold [COGS] Variance Analysis / Invoice Timing Impacts / Month-/Quarter-End Close Support / Root-Cause Troubleshooting of Financial Issues | Diagnosing / Resolving GL / COGS Issues Quickly for F&A Teams.
NewSenior Principal Cybersecurity Engineer (Incident Response) Vaco LLCSenior Principal Cybersecurity Engineer (Incident Response)Arlington, TX$190,000–$230,000The Senior Principal Cybersecurity Engineer will join the Incident Response Team as a technical leader and SME, influencing the achievement of strategic alignment by partnering with business unit leaders to identify high-impact initiatives that advance business strategy. Determining 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.
NewDirector, Business Development (Technology) Vaco LLCDirector, Business Development (Technology)Dallas, TX$55,000–$165,000Determining 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. As Director of Business Development Manager and experienced sales leader, you will work with high caliber Recruiters to fulfill exciting project and direct-hire positions in the areas of information technology.
NewSecurity Engineer (Tenable / Purview) Vaco LLCSecurity Engineer (Tenable / Purview)Dallas, TXRemote$75–$100The Security Engineer (Tenable / Purview) must possess strong expertise in Tenable Vulnerability Management to address urgent patching, tooling cleanup, and remediation needs by the end of March, including hands-on work to stabilize and operationalize the vulnerability management process for repeatability and efficiency. The Security Engineer (Tenable / Purview) will also provide more broad information security engineering support across multiple 2025 roadmap projects involving security tooling, including MS Purview initiatives encountering issues that require attention and 2+ Trellix SIEM-related initiatives.
NewIT Help Desk Support Vaco LLCIT Help Desk SupportFrisco, TX$27–$27Determining 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. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewIllumio Network Security Engineer Vaco LLCIllumio Network Security EngineerAddison, TXRemote$100–$150Determining 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. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewIT Director (Dental Support Organization) Vaco LLCIT Director (Dental Support Organization)Dallas, TX$150,000–$180,000The IT Director will shift the company from a heavily outsourced and fragmented IT model, including an MSP for operations and cybersecurity, a third-party provider for Snowflake and Omni BI/analytics, and one internal Open Dental specialist, to a governed, strategically aligned in-house function that delivers measurable value. The IT Director will support a fast-growing Dental Service Organization (DSO) with 48+ partner practices across multiple states by ensuring the reliability and performance of IT systems while balancing day-to-day operational support with long-term strategic planning.
NewSenior Multi-Cloud Cybersecurity Architect (Azure / AWS / GCP) Vaco LLCSenior Multi-Cloud Cybersecurity Architect (Azure / AWS / GCP)Dallas, TX$155,000–$165,000Determining 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. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewDesktop Support Analyst Vaco LLCDesktop Support AnalystDallas, TX$30–$40Determining 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. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewIvanti ITSM System Administrator Vaco LLCIvanti ITSM System AdministratorLewisville, TX$60–$70Determining 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. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewLead .NET Software Engineer / SRE Vaco LLCLead .NET Software Engineer / SREArlington, TX$60–$95This is not a traditional .NET Developer (no owning user-facing APIs or business logic for financial services), but rather applying .NET skills to SRE tasks, including building custom tools for automation, reliability, and release engineering, creating GITHub Copilot context files to embed SRE practices (security / performance checks) early in development cycles, debugging / refactoring code in production environments, performing root-cause analysis, and iterating post-deployment. JOB REQUIREMETSLead .NET Developer – Technical Team Lead / Leading Teams of 5+ | Writing Clean / Maintainable Enterprise-Grade Code | Designing / Extending Classes / Patterns | OOD / Design Patterns (Singleton / Factory, etc.) | Libraries / Frameworks (ASP.NET Core / REST API / MicroServices) | Development within Cloud-Native / Containerized (Docker / Kubernetes) / Azure-Integrated Setups.
NewSenior .NET Software Engineer / SRE Vaco LLCSenior .NET Software Engineer / SREArlington, TX$60–$95This is not a traditional .NET Developer (no owning user-facing APIs or business logic for financial services), but rather applying .NET skills to SRE tasks, including building custom tools for automation, reliability, and release engineering, creating GITHub Copilot context files to embed SRE practices (security / performance checks) early in development cycles, debugging / refactoring code in production environments, performing root-cause analysis, and iterating post-deployment. DevOps Development – Building / Integrating CI/CD Pipelines (Azure DevOps / Jenkins) for Automated Workflows | Docker Containerization | Kubernetes Orchestration / Deployment (AKS) | IaC / Terraform (ARM / YAML / Terraform / PowerShell / BASH / Python) for Provisioning Cloud Resources | Azure Services (AKS / Azure DevOps / Serverless / Event-Driven Architectures [Service Bus / Event Grid]).
REDCap System Admin (467208) Vaco LLCREDCap System Admin (467208)Dallas, TXRemote$50–$90REDCap Expertise (hands-on | 3+ years) – Core REDCap Features / Capabilities (Project Setup / Instrument/Survey Design / User/Role Management / DAGs / External Modules / API Integrations / Upgrades/Patching / Backup/Recovery Procedures / Logging/Auditing / Common Configuration Options / Integration Patterns). Cloud-Hosted REDCap Operations – Supporting / Administering Cloud Environments (Azure / AWS) | Navigation of Cloud Services / VM Access / Application Log Review / Performance Monitoring / Troubleshooting (basic) / Incident Resolution / Capacity Planning for HA Deployments.
Solution Architect - Fullstack Spar Information SystemsSolution Architect - FullstackPlano, TXContractorThis role partners closely with business and engineering teams to shape scalable, practical solutions and ensure requirements are well-defined, achievable, and aligned with platform capabilities. We are seeking a Connected Solution Design Architect to evaluate the technical feasibility of application features and support planning through accurate effort estimation.
NewApplication Programmer III Mitchell MartinApplication Programmer IIIAddison, TX$47.49–$67.85 / hourSelenium | API Testing Tools | SQL | CI/CD Tools | Data Integration Tools | Big Data Platforms. Build and execute SQL-based validations for backend testing across various database types.
NewContract to Hire Angular / Front End Developers Mitchell MartinContract to Hire Angular / Front End DevelopersIrving, TX$1–$1 / hourUtilize AI assisted tools (e.g., design to code, UX generation, prototyping accelerators) to improve UI iteration speed and consistency. Collaborate with Product and UX teams to translate Figma designs into high quality, accessible user interfaces.
Travel Med Surg RN Titan Medical GroupTravel Med Surg RNFort Worth, TX$1,200–$1,400p>Titan Medical is looking for travelers to fill a Travel Med Surg position for a 13-week assignment in Fort Worth, TX! Your dedicated recruiter will help you: Build a strong traveler profile by improving your résumé and showcasing your skills.
NewAI Solutions Automation Engineer NucorAI Solutions Automation EngineerDallas, TXThis role is primarily focused on building intelligent test automation frameworks, AI-driven quality assurance pipelines, and automated MDM solutions - leveraging machine learning and generative AI to eliminate manual effort across the software development lifecycle. Design, build, and maintain AI-powered testing automation agents that autonomously generate, execute, and evaluate test cases as an in-line part of the SDLC — integrated into CI/CD pipelines via tools such as Azure DevOps, Tosca, K6, or Playwright.
Product Applications Designer NucorProduct Applications DesignerLewisville, TXThe metal wall systems will include, insulated metal wall panels, rain screen wall systems, single skin metal panels as well as integrated window systems for both CENTRIA and Metl-Span brands. The position will work closely with the Production Applications Supervisor and will be responsible for providing technical support for metal architectural wall systems to sales, marketing, estimating, dealer network, architects and drafting services.
NewBusiness Data Engineer - MES/ERP NucorBusiness Data Engineer - MES/ERPDallas, TXBachelors degree in Computer Science, Information Technology, or Business Analytics and 2 years of experience in performing analytics on large, complex operational, financial, production, and supply chain datasets to identify actionable insights data modeling solutions. Write SQL scripts and machine learning algorithms that enable data-driven insights and predictive analytics to enhance decision-making processes and uncover valuable patterns within large datasets (i.e. R-scripting and ETL).
Travel- Nuclear Med Tech - Contract TalentBurst, Inc.Travel- Nuclear Med Tech - ContractDallas, TX$20–$20 / hourTell us about the unit(s): Number of Staff 3. Type of staff: o Day Shift 3 NM Techs. Skill Set Most recruited for: Must have: candidates without these skills will not be considered for the role.
NewTRAVEL - Nuclear Med Tech - Contract TalentBurst, Inc.TRAVEL - Nuclear Med Tech - ContractDenton, TX$30–$30 / hourList typical procedures performed on unit(s): MUGA, Stress, Cardiac Perfusions, HIDA, Bone. Skill Set Most recruited for: Must have: candidates without these skills will not be considered for the role.
TRAVEL- DIETICIAN - Contract TalentBurst, Inc.TRAVEL- DIETICIAN - ContractDallas, TX$13–$13 / hourMUST HAVE PEDS/NICU EXPERIENCE Unit Information: ( insert name ) Location: Medical City Dallas Address: 7777 Forrest Lane Floor: 6 Building: D General Information Tell us about the unit(s): Number of Beds 90 bed NICU; Number of Staff 2 full time (which includes supervisor); 2-3 prn. Preferred or nice to have : candidates with these skills will be considered first.
NewApplication System Analyst II \ ContractContract08 - Contract TalentBurst, Inc.Application System Analyst II \ ContractContract08 - ContractIrving, TX$90–$95 / hourSummary: The Application System Analyst II serves as a liaison between system end-users (customers), operational leaders, additional support resources and vendors to design, build and optimize their assigned applications in a timely and high-quality manner. Project implementation responsibilities include collaborating with customers contributing to the analysis, testing, and documentation and implementation of medium to high complexity activities of assigned software.
TRAVEL - CST CVOR - Contract TalentBurst, Inc.TRAVEL - CST CVOR - ContractLewisville, TX$8–$8 / hourServing Lewisville, Flower Mound, and southern Denton County since 1976, the facility is committed to providing high-quality, family-focused healthcare through advanced technology, experienced healthcare professionals, and exceptional patient care. Medical City Lewisville offers the opportunity to work in a highly respected acute care facility known for clinical excellence, advanced cardiovascular services, and a collaborative team environment.
NewTRAVEL - NICU Respiratory Therapist - Contract TalentBurst, Inc.TRAVEL - NICU Respiratory Therapist - ContractIrving, TX$7.25–$7.25 / hourType of equipment – Ventilators (servo U, PB 980, MR1 transport vent, C1 Hamilton Medical) Bipap (V60 , C1), F&P bubble CPAP, F&P HFNC. · Patient Ratios – 1 st RT (NICU, MST and or PCU) 2 nd RT (ER, ICU, MST or PCU) subject to change based on acuity.
SAP PP, Production Planning Candid8SAP PP, Production PlanningDallas, TX$140,000–$160,000 / yearContractorFull timeLead and support SAP PP module implementations and enhancements. Location: Waller, TX (Onsite).
Digital & IT Team Lead 804 TechnologyDigital & IT Team LeadFort Worth, TX$47–$50 / hourContractorYou will lead a cross-functional team while also providing direct technical and functional support for critical business applications like ERP and BI, translating complex manufacturing needs into scalable solutions. 804 Technology is currently seeking a Digital & IT Team Lead for a Contract to perm job opportunity immediately available in Fort Worth TX.
NewBilingual Help Desk Representative CornerStone StaffingBilingual Help Desk RepresentativeSouthlake, TX$20–$22 / hourThis role combines call center customer service with first-level technical troubleshooting, ensuring customers receive prompt, accurate resolutions while delivering an exceptional service experience in both English and Spanish. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from CornerStone and its affiliates, and contracted partners.
NewLead Engineer - Software OneMain FinancialLead Engineer - SoftwareIrving, TX$108,000–$129,600 / yearAs a Full Stack Lead Developer, you will be responsible for migrating existing Ruby on Rails application to a new architecture built with Angular and Ionic (using Capacitor for mobile) using micro-front-end architecture to ensure smooth integration across web and mobile platforms. Design and implement reusable components like AUTH Guard for routing and session management, including token handling, refresh tokens, and expiry logic to maintain a smooth, authenticated experience across web and mobile platforms.
NewSenior Engineer- Software OneMain FinancialSenior Engineer- SoftwareIrving, TX$96,000–$115,200 / yearp>This position will report directly to the Associate Director of Engineer-Software Financial Systems, and will primarily work with Financial Systems team members, accountants, and planners to ensure that the Finance Organization receives support and administration required to meet the diverse needs of the entire organization. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
NewAssoc Director Software Engineering (IBM Platforms) OneMain FinancialAssoc Director Software Engineering (IBM Platforms)Irving, TX$96,000–$115,200 / yearThe ideal candidate will be a strategic thinker, a technology advocate, and an empathetic leader who can drive innovation, foster collaboration, mentor team members, and deliver cutting-edge software solutions. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
NewLead Engineer Software OneMain FinancialLead Engineer SoftwareIrving, TX$96,000–$115,200 / yearSee OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions. OneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans.
NewSoftware Engineering Manager OneMain FinancialSoftware Engineering ManagerIrving, TX$120,000–$144,000 / yearSee OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions. OneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans.
NewTechnology Strategic Sourcing / Procurement Above and Beyond Talent AcquisitionTechnology Strategic Sourcing / ProcurementFort Worth, TX$52–$86 / hourContractorFull timeDevelop, implement, and track comprehensive category strategies grounded in deep market analysis and aligned with company and stakeholder priorities; deliver measurable year-over-year cost reductions and working capital improvements. Performance Objectives / What you'll be doing: Manage technology spend categories such as software, SaaS, hardware, telecom, networking, infrastructure, cloud, labor, and managed services suppliers.
Senior C# / .Net Developer ECLAROSenior C# / .Net DeveloperAddison, TX$70–$72 / hourli>The ideal consultant is a hands-on senior engineer with extensive experience in C#, NET, RESTful APIs, and Microsoft SQL Server, capable of designing scalable solutions and mentoring junior developers. Database Performance Tuning, JSON / XML, JWT Authentication, OAuth2, Git, Visual Studio, Azure DevOps or GitHub, Preferred Experience, Azure Cloud Services, Docker, Kubernetes, Redis.
NewBusiness Intelligence Developer ECLAROBusiness Intelligence DeveloperArlington, TX$60–$62 / hourStrong experience with Microsoft BI and database technologies, including Power BI, Power BI Report Server, SQL Server, SSAS Tabular, SQL Server Reporting Services, and advanced SQL development, including stored procedures, performance tuning, data modeling, and complex query development. Develop and support enterprise BI solutions using Microsoft reporting and analytics platforms, including Power BI, Power BI Report Server, SQL Server, SSAS Tabular, SQL Server Reporting Services, and related Microsoft data technologies.
NewData Engineer Sparks GroupData EngineerDallas, TXThis role will work across internal and client-facing initiatives, building scalable data pipelines, supporting machine learning workflows, and enabling high-performance analytics solutions. Design, build, and optimize scalable data pipelines, ETL/ELT workflows, and cloud-based data platforms (data lakes, warehouses, lakehouses) .
Sr. Generative AI Developer Tanisha SystemsSr. Generative AI DeveloperDallas, TXFull timehr/> Key Responsibilities Architect and develop Generative AI applications using RAG frameworks for enterprise-scale solutions. Preferred Qualifications Experience with LLM fine-tuning , prompt engineering , and model evaluation .
NewFunctional Kronos Consultant PlanIT GroupFunctional Kronos ConsultantDallas, TXFunctional Kronos Consultant We are seeking an experienced Kronos Functional Consultant with expertise in key Kronos modules. Required Skills: 8+ years of hands-on experience in Kronos Workforce Central (WFC) or UKG Dimensions.
NewEmbedded S/W Engineer PlanIT GroupEmbedded S/W EngineerGrand Prairie, TXThis role includes performing analysis of requirements, developing architecture and design, implementation, and integration with a goal of supporting flight testing of the Missile subsystem. • Bachelor's degree from an accredited college in Computer Science, Computer Engineering, or Electrical Engineering.
NewSoftware Engineer PlanIT GroupSoftware EngineerFort Worth, TXThe role includes collaboration with multi-disciplinary engineering teams, customers, and program leadership to ensure solutions meet stakeholder requirements, security constraints, and technical performance objectives. We are seeking a motivated and experienced Software engineer to design, develop, and deliver automated system capabilities and big-data processing architectures.
IBM WebSphere Architect Pinnacle Technical ResourcesIBM WebSphere ArchitectDallas, Texas$70–$75 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
HFM Developer Pinnacle Technical ResourcesHFM DeveloperPlano, Texas$70–$73 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will be responsible for developing, maintaining, and optimizing Hyperion Financial Management (HFM) applications to support business processes and reporting requirements.
Infrastructure Engineer - Advanced Pinnacle Technical ResourcesInfrastructure Engineer - AdvancedPlano,, Texas$65–$75 / hourContractorThe successful candidate will be responsible for the design, deployment, configuration, and support of IBM Geographically Dispersed Parallel Sysplex (GDPS) solutions, ensuring high availability, disaster recovery, and business continuity for our critical mainframe environments. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.
NewInfrastructure Engineer - Intermediate Pinnacle Technical ResourcesInfrastructure Engineer - IntermediatePlano,, TexasContractorRoles and Responsibilities:As a member of the Infrastructure Engineering team, candidates will play a big part in Planning, Strategizing, and help with designing the platforms, servers, and networks that make it possible for us to provide service to client’s customers, clients, and businesses around the globe each and every day. Maintain Mainframe Network Components: TCP/IP including DVIPA and DDVIPA configurations, IPSEC, IPFILTER, Intrusion Detection Services (IDS), Enterprise Extender (EE), SNA, VTAM, APPN, OSA connectivity interface to the Core.