Manager Global Sourcing & Supply Chain Sotera Health CoManager Global Sourcing & Supply ChainOak Brook, ILWith a combined tenure across our businesses of nearly 200 years and our industry recognized scientific and technological expertise, we help to ensure the safety of millions of patients and healthcare practitioners around the world every year. Sterigenics is a leading global provider of outsourced terminal sterilization and irradiation services for the medical device, pharmaceutical, food safety and advanced applications markets.
NewAssistant Manager ( 02950)- 320 South Elm Street Domino's Pizza IncAssistant Manager ( 02950)- 320 South Elm StreetElmhurst, ILThe Assistant Manager will play a key role in maintaining operational efficiency while fostering a supportive and productive work environment for all team members. In this role, you will support the management team in overseeing daily operations, leading staff, and ensuring exceptional service delivery.
NewRegional Transportation Manager MolexRegional Transportation ManagerBolingbrook, ILFull timeFocus will include proactive transportation management - both operationally and strategically with internal and external stakeholders to ensure all modes of transportation services are executed efficiency, mitigate risks, to achieve optimal freight cost efficiency and meeting customers commitments. Your Job The Regional Transportation Manager is an integral member of the Global Transportation Team and is responsible for managing and leading the North America (AME) transportation operations performance to meet targeted transportation service level, cost saving and capabilities deployment.
District Manager WingstopDistrict ManagerSycamore, ILFor internal promotion, minimum of 12 months (18 months preferred) as a General Manager with Wingstop’s; must be in good company standing and with a proven record of increased performance in the areas of positive sales increases, cost reductions/savings (inventory and labor), employee retention/training, along with meeting or exceeding other established/defined company metrics and multiple location experience. • Brand Marketing : Effectively executes Brand MKT campaigns and strategies and provides direct influence over market-wide spend/branding opportunities by representing market expertise to maximize brand exposure opportunities and ROI for those investments.
IT Category Manager Veracity Software IncIT Category ManagerDowners Grove, ILFull Name: Degree (Business / IT / Procurement or related) with University & Year: Total Years of Experience in IT Category Management / Strategic Sourcing: Total Years of Experience in IT Procurement / Supplier Management: Total Years of Experience in Managed Services / Professional Services / Software Procurement: Total Years of Experience in Contract Negotiation (IT Vendors): Total Years of Experience in RFx (RFP / RFQ / RFI) Processes: Total Years of Experience in Source-to-Pay (S2P) Platforms: Total Years of Experience with SAP Ariba (Must-have preferred): Experience with Supplier Enablement in Ariba? (Yes/No – details): Total Years of Experience with Contract Lifecycle Management (CLM): Total Years of Experience with eSourcing / eProcurement tools: Motivation / Reason for Relocation (if not local): Motivation / Reason for interest in this position: Contact Number: Email ID: LinkedIn Profile URL: Full Address (Street, City, State, Zip Code): Notice Period (in weeks): Current Work Authorization Status: Expected Hourly Rates on W2: Are you able to relocate on your own expenses and work 100% ON-SITE in Downers Grove, IL, 60515?.
Area Manufacturing Manager - Electrical Controls Packaging Corporation of AmericaArea Manufacturing Manager - Electrical ControlsLake Forest, IL$129,500–$185,000 / yearActing as a strategic partner, the AMM collaborates with mill teams and corporate resources to implement technologies, share best practices, and foster continuous improvement. The Area Manufacturing Manager (AMM) is a key technical leader responsible for driving operational excellence and innovation across PCA mills.
SBU Engineering Manager Greif IncSBU Engineering ManagerAlsip, IL$142,500–$242,600 / yearThe SEM reports to the VP Engineering and works in close partnership with the SBU Leadership Team and other functional leaders to translate business strategy into engineering priorities, investments, and capabilities. This role leads the SBU engineering organization to deliver safe, reliable, cost-effective, and scalable engineering outcomes, while serving as a trusted business partner to SBU leadership.
Manager, Accounting Advisory Services Nonprofit Industry Clients Wipfli LLPManager, Accounting Advisory Services Nonprofit Industry ClientsNaperville, ILRemote$113,000–$153,000 / yearWipfli LLP is a licensed independent CPA firm that provides attest services to its clients, and Wipfli Advisory LLC provides tax and business consulting services to its clients. You'll collaborate closely with a supportive, high‑performing team that lives the Wipfli Way - grounded in integrity, caring, excellence, and teamwork - while contributing to the growth and impact of our practice.
Strategic Sourcing Manager GVW Group LLCStrategic Sourcing ManagerHighland Park, ILThis role is responsible for developing sourcing strategies, building supplier partnerships, driving cost reduction initiatives, and leading a high-performing sourcing team focused on delivering value across the organization. Develop and implement sourcing strategies for parts installed on Autocar trucks, common parts, and private label products supporting our "Heavy-Duty Everything" vision.
NewRestaurant Manager Big BowlRestaurant ManagerSchaumburg, Illinois$55,000–$70,000 / yearFull timeLead pre-shift meetings and participate in line, temperature and cooler checks; oversee all closing manager duties including counting down the safe, reviewing labor sheets and preparing nightly numbers email. Perform regular and ad hoc inventories of food, beverage and restaurant supplies and track high cost items; place food, beverage and restaurant supply orders; and accept and inspect deliveries.
GVW Group, LLC Careers - Strategic Sourcing Manager GVW Group, LLCGVW Group, LLC Careers - Strategic Sourcing ManagerHighland Park, ILThis role is responsible for developing sourcing strategies, building supplier partnerships, driving cost reduction initiatives, and leading a high-performing sourcing team focused on delivering value across the organization. Develop and implement sourcing strategies for parts installed on Autocar trucks, common parts, and private label products supporting our "Heavy-Duty Everything" vision.
Senior Manager, Operations Excellence AMETEK IncSenior Manager, Operations ExcellenceMount Prospect, ILDrive Operational Excellence priorities, including on-time delivery improvements, labor and product cost reduction, quality improvement, new product introduction, acquisition integration, and strategic outsourcing, ensuring consistent execution across functions and sites. This role leads cross-functionally with Engineering, Supply Chain, Finance, and Operations, leading through influence to align manufacturing, global supply chain, distribution, and service teams in the execution of high-impact initiatives.
Category Manager - Electronics Marmon Holdings IncCategory Manager - ElectronicsCarol Stream, ILAs a key member of Supply Chain team, the Category Manager will lead, develop and implement category and supply resiliency strategies, supplier performance management, contract negotiations, and identify and lead cost savings opportunities to ensure we maintain best value. Defining expectations for the role our suppliers will play and expectations for them in terms of the level needed from them to provide new technology, participate in new product development and the service levels required to support production and after sales processes.
Manager, Talent Acquisition Operational Excellence & Vendor Management W.W. Grainger IncManager, Talent Acquisition Operational Excellence & Vendor ManagementLake Forest, IL$103,600–$172,600 / yearWith benefits starting on day one, our programs provide choice and flexibility to meet team members individual needs, including: Medical, dental, vision, and life insurance plans with coverage starting on day one of employment and 6 free sessions each year with a licensed therapist to support your emotional wellbeing. The role drives accountability for all TA Vendors through KPI management, business reviews, contract oversight, and continuous improvement initiatives while ensuring a value-driven TA partner portfolio that ensures seamless hiring manager, candidate, and recruiter experience.
NewResin Sourcing Specialist/Product Manager Professions IncResin Sourcing Specialist/Product ManagerGreater Northwest Chicago, ILThe Resin Sourcing Specialist will lead sourcing, supplier negotiations, category strategy, and profitability initiatives for polyethylene-based packaging products including stretch film, poly bags, pouches, industrial films, carton sealing tape, and related packaging solutions. This individual will play a key role in developing supplier partnerships, negotiating contracts and rebate programs, managing private label product lines, and identifying opportunities to improve margins while supporting the company's continued growth.
Project Construction Manager BilfingerProject Construction ManagerNorth Chicago, ILThis position requires a self-motivated individual to perform the detailed planning and scheduling of construction work, prepare bid packages for subcontract work, and ensure work is executed in line with safety, cost, schedule, and quality targets, as well as corporate and client expectations. With 30,000+ employees and over €5 billion in revenue in 2024, we offer solutions in consulting, engineering, manufacturing, maintenance, turnarounds, and digital applications across key sectors like energy, chemicals, pharma, and oil & gas.
Finance Manager Turf Job Armstrong World Industries IncFinance Manager Turf JobIL$150,000–$170,000 / yearPrimary location: Gilberts, Illinois. Relocation offered: No.
Dayforce HRIS Manager PT Holdings, LLCDayforce HRIS ManagerAddison, IL$109,859.58–$164,116.21 / yearKey areas of focus include automating manual processes, integrating newly acquired entities, building processes and procedures to enhance data accuracy, and fully leveraging system capabilities to drive a positive team member experience. You build strong partnerships with cross-functional stakeholders - including HR, IT, Finance, business leaders, and external vendors - to gather system requirements, access HR processes, and identify opportunities to streamline, optimize or automate workflows.
HRIS Manager Parts TownHRIS ManagerAddison, IllinoisA Typical Day You build strong partnerships with cross-functional stakeholders – including HR, IT, Finance, business leaders, and external vendors – to gather system requirements, access HR processes, and identify opportunities to streamline, optimize or automate workflows. Key areas of focus include automating manual processes, integrating newly acquired entities, building processes and procedures to enhance data accuracy, and fully leveraging system capabilities to drive a positive team member experience.
NewDayforce Hris Manager Parts TownDayforce Hris ManagerAddison, IL$109,859.58–$164,116.21 / yearKey areas of focus include automating manual processes, integrating newly acquired entities, building processes and procedures to enhance data accuracy, and fully leveraging system capabilities to drive a positive team member experience. You build strong partnerships with cross-functional stakeholders - including HR, IT, Finance, business leaders, and external vendors - to gather system requirements, access HR processes, and identify opportunities to streamline, optimize or automate workflows.
Finance Manager Turf Job Armstrong CeilingsFinance Manager Turf JobGilberts, IL$150,000–$170,000 / yearWe are committed to: Engaging a diverse, purpose-driven workforce; Transforming buildings from structures that shelter into structures that serve and preserve the health and well-being of people and planet; Pursuing sustainable, innovative solutions for spaces where we live, work, learn heal and play; Being a catalyst for change with all of our stakeholders; and. As a key member of the leadership team, the Finance Manager influences decision‑making, develops talent, and continuously improves finance processes and systems to support growth, profitability, and operational excellence.
SRE Engineering Manager - PxE ERM Deloitte Touche Tohmatsu LtdSRE Engineering Manager - PxE ERMArlington Heights, IL$113,100–$232,300 / yearAdvanced Technical Proficiency: Possess deep expertise in modern software engineering practices, SRE, Agile, DevSecOps, and CI/CD, Observability, deployment techniques like Blue-Green, Canary to minimize down-time and enable A/B testing approaches, optimizing automation and supporting high-quality outcomes throughout the product lifecycle. You will leverage your extensive SRE engineering craftsmanship and advanced proficiency across multiple programming languages, SRE tools, and modern frameworks, consistently demonstrating your exemplary track record in maintaining production systems with high-quality, modern observability practices, and SLAs.
Manager Maintenance Green Bay Packaging IncManager MaintenanceAurora, ILStarted in 1933, Green Bay Packaging Inc. is a family-owned, vertically integrated company consisting of corrugated container plants, a folding carton facility, recycled and virgin containerboard mills, pressure-sensitive label roll stock plants, timberlands, a paper slitting operation, and a sawmill facility. This is a highly visible, hands-on role, with approximately 80% of time spent on the production floor supporting equipment reliability, troubleshooting issues, coordinating projects, and working directly with operators and vendors, and 20% spent on planning, reporting, purchasing, and administrative responsibilities.
Senior Manager, Member Operations Strategy and Capital Management CVS Health CorpSenior Manager, Member Operations Strategy and Capital ManagementNorthbrook, IL$75,400–$182,549 / yearIn this role you will drive discovery and data analytics efforts to develop business cases that will enhance current operational processes, improve member self service capabilities and support pilots and implementation of new technology within the Caremark Tech Stack of Digital, Voice, Chat, AI, and Live Agent capabilities. The Senior Manager, Member Operations Strategy and Capital Management is a key leader within the Caremark organization focused on assessing and defining new strategic business innovation opportunities that will reduce Operational Costs, Improve Member, Colleague and Client Experience.
Sales Account Manager The Fresh Factory PBCSales Account ManagerDowners Grove, ILThis position plays a critical role in developing and executing The Fresh Factory's sales operations strategy by optimizing workflows, managing resources, overseeing commercialization activities, and ensuring operational readiness for new and existing accounts. This role serves as the primary customer liaison and operational lead, integrating sales activities with Production, Supply Chain, Quality, R&D, and Finance to deliver exceptional customer outcomes and drive profitable growth.
District Sales Manager #3 Kia CorpDistrict Sales Manager #3Downers Grove, IL$89,936.24–$121,409.23 / yearEnsure dealers maintain adequate Kia presence and represent the brand appropriately in the marketplace, including effective showroom display, vehicle inventory, point-of-sale display, product, and customer experience training, online and instore advertising and marketing. The DSM will ensure its Dealers are portraying a consistent, high-quality image in the marketplace, properly utilizing, and displaying Kia Dealership identification, point-of-sale materials, and Kia vehicle inventory.
Senior Procurement Manager Leopardo ConstructionSenior Procurement ManagerHoffman Estates, IllinoisThis approach transforms our operations and customer service, helping us become the construction provider of choice in all our specialized markets: healthcare, interiors, retail, cinema, hospitality, office, industrial, residential and municipal. Responsibilities will include establishing supplier bid lists, soliciting and evaluating supplier proposals and detailing direction to subcontractors bidding the project who will be assigned the goods procured.
Shipping & Receiving Manager Custom Print GraphicsShipping & Receiving ManagerNiles, ILFull time1+ years in shipping & receiving, warehouse operations, or logistics management (decorated apparel or printing industry experience is a strong plus). You'll make sure materials arrive, get checked in, and reach the right production teams on schedule — and that every finished order ships accurately and on time.
General Manager Fabio Viviani Hospitality GroupGeneral ManagerGlenview, ILExcellent communication skills to effectively work and guide the management team and team members as well as speaking with guests. This role oversees front-of-house and back-of-house operations, financial performance, team development, and overall restaurant success.
Product Manager (VFD) Mitsubishi Electric Automation, Inc. (MEAU)Product Manager (VFD)Vernon Hills, IL$115,000–$135,000Full timeWork with Marketing teams to execute product launches and go-to-market activities, supporting product positioning, value propositions, market segmentation, and targeted messaging to promote key features and benefits. This role develops and shares product strategies, supported by annual business plans designed to drive growth and expand market share, while building consensus and influencing company-wide support for strategic priorities.
Assistant Manager Domino's Pizza IncAssistant ManagerILA Dominos Assistant Manager oversees store operations by supporting the Store Manager, leading staff, ensuring customer satisfaction, managing inventory and cash, and assisting with hiring and training. Key duties include maintaining food quality and safety, handling customer issues, optimizing store profitability through cost control, and stepping in for the Store Manager as needed to ensure smooth daily operations.
Senior Account Manager Alera GroupSenior Account ManagerDeerfield, IllinoisWe're seeking a Senior Account Manager who will make a meaningful impact by delivering proactive client service, thoughtful benefits strategy, and a high-touch experience for both clients and employees. What You'll Do / Your ImpactClient Partnership & Risk StrategyServe as the primary day-to-day contact and trusted advisor for a portfolio of mid-to-large, often self-funded Employee Benefits clients.
NewManufacturing Engineering Manager Michael Page USAManufacturing Engineering ManagerWood Dale, IL$125,000–$140,000 / yearFull timeThe Manufacturing Engineering Manager is responsible for leading the New Project Launch Engineers in supporting new product introduction, process optimization, and continuous improvement across production and quality operations. The equipment combines automated, CNC‑controlled processes and specialized material‑removal techniques commonly used in medical device, electronics, aerospace, and other precision industries.
Inventory Control Manager Ingersoll Rand IncInventory Control ManagerNaperville, IL$85,000–$115,000 / yearWe are seeking an Inventory Control Supervisor with proven experience leading direct reports in a discrete industrial manufacturing environment where engineered components, machined parts, and multi-level assemblies are produced and managed. Customers lean on us for our technology-driven excellence in mission-critical flow creation and industrial solutions across 40+ respected brands where our products and services excel in the most complex and harsh conditions.
SAP Finance Consultant- Product Costing Manager PricewaterhouseCoopers LLPSAP Finance Consultant- Product Costing ManagerIL$99,000–$232,000 / yearAs a SAP Finance Consultant- Product Costing Manager, you will specialize in providing consulting services for SAP finance applications, analyzing client requirements, implementing software solutions, and offering training and support for seamless integration and utilization of SAP finance applications. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .
Sr. Manager, Global Category Management Spirax Group plcSr. Manager, Global Category ManagementCary, ILKey performance indicators for this role include Cost savings and cost avoidance ($ and %) for direct materials categories, Supplier on-time delivery (OTD) and quality performance, Strategic spend under management and contract coverage, Supply continuity, Contribution to working capital improvements (inventory, payment terms), and Team capability development and performance outcomes. This role is responsible for directly managing select high-impact global categories while also leading a team of sourcing managers to deliver against enterprise sourcing objectives.
Sales & Marketing Manager - Lumex North America Illinois Tool Works IncSales & Marketing Manager - Lumex North AmericaBartlett, ILAs a key member of the ITW Electronic Component Solutions leadership team, the Sales and Marketing Manager is responsible for developing, leading and implementing selling strategies for the Lumex business in order to drive and support profitable, above market growth. Proven ability and experience implementing initiatives and sales strategies (e.g., brand lifecycle management, pricing, marketing/sales support& communication, market research and competitive intelligence) that have directly led to improvements in sales, revenue and market share.
Restaurant Operations Manager Dave & Buster'sRestaurant Operations ManagerHoffman Estates, IllinoisLiving our core values along with leading others to do so while collaborating with the management team to achieve high-quality and timely results. You can handle 100K days while walking five miles a shift & working an average of 50-hour work weeks.
Store Manager Pearle VisionStore ManagerBuffalo Grove, IllinoisAccountable for the recruitment, training, development, and retention of high performing associates, as measured by: Selection of brand right associates who demonstrate desired patient care behaviors. Ensure high quality through customer follow-up, accurate measurements, correct pricing, POS entry, and realistic service delivery time quote as measured by: Ready when promised.
NewEngineering Maintenance Manager Michael Page InternationalEngineering Maintenance ManagerZion, Illinois$135,000–$150,000 / yearFull timeThe Successful ApplicantA successful Engineering Maintenance Manager should have:A strong background in engineering and maintenanceBachelors degree in engineeringBackground in leading lean manufacturing or continuous improvement initiativesProven ability to manage and lead teams effectively. Engineering Maintenance ManagerThis organization is a major player in the industrial and infrastructure space, producing a broad portfolio of engineered products used across construction, utilities, and OEM applications.
Plant Manager Michael Page InternationalPlant ManagerNaperville, Illinois$145,000–$165,000 / yearFull timeThe Successful ApplicantA successful Plant Manager should have: proven leadership skills within the engineering and manufacturing sector; strong understanding of operational processes in the aerospace industry; ability to manage and motivate teams to achieve organizational goals; knowledge of compliance and regulatory requirements in manufacturing; excellent problem-solving and decision-making abilities; strong communication and interpersonal skills to collaborate effectively with stakeholders. Job SummarySector: Engineering & ManufacturingSub Sector: Production, ManufacturingIndustry: Industrial / ManufacturingLocation: NapervilleContract Type: Permanent
Cannabis Outsourced Accounting Manager WithumCannabis Outsourced Accounting ManagerLincolnshire, IL$125,000–$145,000 / yearJob Description: Withum's Outsourced Accounting Systems and Services (OASyS) team is seeking an Outsourced Accounting Manager to join our growing team in any US office location. The Outsourced Accounting Manager will oversee and work together with staff and senior team members to service clients specifically in the cannabis industry.
Category Manager Preparation Equipment North America Ferrero International SACategory Manager Preparation Equipment North AmericaFranklin Park, IL$124,974–$166,632 / yearTo define/deploy the Global Category Strategy for Procurement Category of competence, in order to optimize costs, maximize supply, quality and pursuit continuous improvement of service level; To proactively manage internal and external stakeholders, communicated in a transparent and effective way and interact fairly and following Ferrero Ethic code and Ferrero Code of Business; To scout potential region / continental Suppliers eligible to be qualified and eventually to be proposed as Group Suppliers in order to support needs of North American' industrial footprint. To manage Global Partners entities (Supplier's HQs or Local branches) for Preparation Equipment and overall, as indirect responsibility, for with specific reference to North America Area, rationalizing existing central and local portfolio in accordance with Central Categories guidelines and introducing new potential regional ones eventually escalating them at Group level in cooperation with Project Engineering, Resident Engineering and Maintenance Team.
NewStore Manager DELLA AUTO GROUPStore ManagerBuffalo Grove, ILAccountable for the recruitment, training, development, and retention of high performing associates, as measured by:Selection of brand right associates who demonstrate desired patient care behaviorsEffective and consistent associate On BoardingUtilization of effective daily practice and role-playingEmployee satisfaction through two-way communicationProactive manpower planning for adequate bench strengthEnsuring positive patient satisfaction, as measured by patient retention and survey responses. Execution of operational procedures:Safety (security system, safety information posted, fire extinguishers, door locks)Maintenance as measured by proper housekeeping, carpet, store front windows, proper lighting, and store safety (safety information posted, fire extinguishers and door locks)Knowledge & Skills Proven track record of sales growth through sales skills and accountability for sales results.
Manager, Cloud Engineering Chamberlain GroupManager, Cloud EngineeringOak Brook, IllinoisThis individual partners closely with Engineering, Product Management, IT Security, and SRE/DevOps leaders to execute the cloud infrastructure roadmap, advance automation and modernization efforts, and ensure the platform scales reliably and securely with the growth of the myQ ecosystem. This role is responsible for leading and managing the myQ Cloud Engineering team that designs, builds, and operates the cloud infrastructure powering Chamberlain Group's myQ connected products and services.
NewSAP Project Manager Knack SolutionsSAP Project ManagerWest Chicago, IllinoisRemoteAt Knack Solutions, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. Management or technical leadership demonstrating business acumen, writing skills, project and team management, and interpersonal skills with team members and clients.
Senior Construction Manager Path ConstructionSenior Construction ManagerArlington Heights, ILOur expertise is very diverse and includes experience on small and large projects of many different types, including but not limited to: healthcare, hospitality, higher education, multi-family, self-storage, senior living, transportation, water and waste treatment, convention centers, laboratories, and correctional. We’re a rapidly growing commercial general contractor with offices in Arlington Heights, IL; Charlotte, NC; Dallas, TX; Knoxville, TN; Tampa, FL; and Phoenix, AZ, managing projects across the country.
NewSr Product Manager - Seasonings McCormick & Co IncSr Product Manager - SeasoningsGeneva, IL$103,520–$181,150 / yearThe successful candidate will be expected tsupport ande complex technical, commercial, and financial information in a clear and practical manner, provide sound business rationale with quantitative support, and influence stakeholders across the organization regularly interacting with senior management, technical, culinary, and other cross-functional partners, including external agencies/vendors. The role will be responsible for developing & implementing annual product line business reviews & marketing plans by articulating McCormick's value proposition and leveraging a thorough understanding of McCormick's taste creation capabilities and value proposition, our customers' business, as well as the competitive and market landscape.
Dayforce HRIS Manager Parts Town, LLCDayforce HRIS ManagerAddison, IL$121,303.29–$164,116.21 / yearKey areas of focus include automating manual processes, integrating newly acquired entities, building processes and procedures to enhance data accuracy, and fully leveraging system capabilities to drive a positive team member experience. You build strong partnerships with cross-functional stakeholders - including HR, IT, Finance, business leaders, and external vendors - to gather system requirements, access HR processes, and identify opportunities to streamline, optimize or automate workflows.
BMS/EPMS Construction Manager Mantis Innovation Group LLCBMS/EPMS Construction ManagerSchaumburg, IL$115,000–$135,000 / yearOur work spans four core areas: Building Controls, Energy Efficiency, Energy Advisory, and Facility Management-covering HVAC/mechanical optimization, BMS/BAS and EPMS controls, lighting system upgrades, energy brokerage, roofing and building envelope assessments, construction management, and more. At Mantis, our teams work across the full lifecycle of a facility-from planning and design to field execution and long-term asset management-across commercial and industrial portfolios, data centers, and complex mechanical systems.