FACILITIES MAINTENANCE TECHNICIAN 2 Village of AddisonFACILITIES MAINTENANCE TECHNICIAN 2Addison, IL$74,591–$103,252 / yearFull timeAll completed applications must be directed to the Director of Human Resources/Risk Management, either via regular mail at 1 Friendship Plaza, Addison, Illinois 60101, emailed to voajobs@addison-il.org, or submitted personally to the Administration Department, Room 2100 of the Village Hall by no later than 5pm, July 22, 2026. To avoid conflicts of interest and the appearance of favoritism or bias and to enhance supervision, security, and morale, the Village of Addison believes it advisable to prohibit the employment of relatives in a direct supervisory relationship or to prohibit having two (2) relatives employed in the same department/division.
Chicago, IL (So suburbs, 30 mins to downtown Chicago): Highly regarded CHO seeking BC Family NP for one of their health facilities. Min of 1 yr exp. is req'd. M-F. (5) 8-hr shifts. Call: 1:7. Vy light by phone. Salary: $110K-$120K. Generous fringe bens Anapol Enterprises, LLCChicago, IL (So suburbs, 30 mins to downtown Chicago): Highly regarded CHO seeking BC Family NP for one of their health facilities. Min of 1 yr exp. is req'd. M-F. (5) 8-hr shifts. Call: 1:7. Vy light by phone. Salary: $110K-$120K. Generous fringe bensChicago, IL$110,000–$120,000 / yearThey provide primary healthcare, Ob/Gyn, Women's Health and a range of Social Services including child welfare, youth services, community behavioral health and supportive services. HEADLINE : A long-established and highly regarded Community Health Organization (CHO) is seeking to recruit a Board Certified Family Nurse Practitioner for one of their health facilities.
NewFacilities Maintenance Technician- Building Engineer United AirlinesFacilities Maintenance Technician- Building EngineerChicago, ILOur Technical Operations team is full of aircraft maintenance technicians, engineers, planners, ground equipment and facilities professionals, and supply chain teams that help make sure they’re well taken care of and ready to get our customers to their desired destinations. Key Responsibilities: Requires a thorough knowledge of general building maintenance with emphasis on electrical solving, including AC & DC circuits, high voltage (480), high amperage and some 400 cycle equipment.
Maintenance / Facilities Supervisor - Industrial Manufacturer Michael Page USAMaintenance / Facilities Supervisor - Industrial ManufacturerChicago, IL$90,000–$110,000 / yearFull timeMy client is looking for a hands-on Building & Maintenance Supervisor to manage the upkeep and day-to-day operations of a manufacturing facility. This position ensures all building systems run safely and efficiently, reduces downtime, and supports overall production performance.
Facility Maintenance Technician - 1st Shift PenskeFacility Maintenance Technician - 1st ShiftLockport, ILFull timePerform all maintenance and preventative maintenance on a variety of media to include but not limited to: Mobile equipment, plumbing, electrical, dock doors, levelers and related dock equipment, concrete floor repair, painting, carpentry, rack repair and all related facilities maintenance. Working knowledge of industrial equipment, maintenance and repair, this includes fire systems, chains, bearings, gearboxes, motors, conveyor belts, lifts, and many other areas that require maintenance due to wear.
Maintenance/Facilities Supervisor | Manufacturing | Chicago, IL Michael Page USAMaintenance/Facilities Supervisor | Manufacturing | Chicago, ILChicago, IL$90,000–$110,000 / yearFull timeThis role is responsible for ensuring all building systems operate safely and efficiently while minimizing downtime and supporting overall production performance. My client is seeking a hands-on Building & Maintenance Supervisor to oversee the maintenance and operation of a manufacturing facility.
NewSenior Architect, Transit Facilities Dar GroupSenior Architect, Transit FacilitiesChicago, IL$120,000–$160,000 / yearThis role offers the opportunity to contribute to high-profile infrastructure projects including passenger stations, maintenance facilities, rail yards, and other critical transit-supporting assets for agencies such as CTA, Metra, Amtrak, and related regional stakeholders. TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market.
Senior Architect, Transit Facilities SidaraSenior Architect, Transit FacilitiesChicago, IllinoisThis role offers the opportunity to contribute to high-profile infrastructure projects including passenger stations, maintenance facilities, rail yards, and other critical transit-supporting assets for agencies such as CTA, Metra, Amtrak, and related regional stakeholders. TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market.
Facilities Maintenance (1st Shift) Sterling Engineering, Inc.Facilities Maintenance (1st Shift)Chicago, IL$28–$30 / hourThis is an excellent opportunity for someone with hands-on facilities maintenance experience in a manufacturing environment who enjoys troubleshooting building systems and keeping operations running efficiently. This position supports preventive maintenance, responds to facility issues, and performs repairs involving HVAC, electrical, plumbing, mechanical, and structural systems.
Facilities Coordinator TalentBridgeFacilities CoordinatorChicago, IL$24–$26 / hourThis individual will be responsible for facilities coordination, vendor management, office services, conference room support, mail operations, and general workplace maintenance. We are seeking a Facilities Coordinator to support daily workplace operations and deliver an exceptional employee experience within a corporate office environment.
Director, Facilities Performance PT Holdings, LLCDirector, Facilities PerformanceAddison, IL$136,952–$185,288 / yearYou have 7 + years of progressive leadership experience in maintenance operations, automation engineering, and vendor management within a multi-site distribution environment or logistics environments (bonus points if you have a Bachelor's Degree or advanced degrees in mechanical engineering, Industrial Engineering, Facilities Management, Supply Chain, or a related field). We are seeking an experienced Facilities Strategy & Optimization Director to design and run automation projects, support and partner with divisional engineering teams, and identify and provide solutions for maintenance programs across a network of facilities.
Facilities Office Associate IST Management Services IncFacilities Office AssociateChicago, IL$18–$19 / hourIn business since 1997 with over 1,800 employees, IST Management is a business process outsourcing company with operations in over 38 cities across the U.S. We've been recognized as one of the fastest-growing companies in the U.S. as a winner of the Nation's Best & Brightest Companies to Work For, as well as the HR Professional Excellence Award from the Society for Human Resource Management. If you require any accommodation in completing your application for employment, please let us know by informing our Talent Acquisition team at tamteam@istmanagement.com.
Director, Facilities Strategy & Optimization (Hybrid Work Schedule) PT Holdings, LLCDirector, Facilities Strategy & Optimization (Hybrid Work Schedule)Addison, IL$136,952–$185,288 / yearYou have 7 + years of progressive leadership experience in maintenance operations, automation engineering, and vendor management within a multi-site distribution environment or logistics environments (bonus points if you have a Bachelor's Degree or advanced degrees in mechanical engineering, Industrial Engineering, Facilities Management, Supply Chain, or a related field). We are seeking an experienced Facilities Strategy & Optimization Director to design and run automation projects, support and partner with divisional engineering teams, and identify and provide solutions for maintenance programs across a network of facilities.
Director, Facilities Strategy & Optimization Parts TownDirector, Facilities Strategy & OptimizationAddison, IllinoisYou have 7 + years of progressive leadership experience in maintenance operations, automation engineering, and vendor management within a multi-site distribution environment or logistics environments (bonus points if you have a Bachelor’s Degree or advanced degrees in mechanical engineering, Industrial Engineering, Facilities Management, Supply Chain, or a related field). We are seeking an experienced Facilities Strategy & Optimization Director to design and run automation projects, support and partner with divisional engineering teams, and identify and provide solutions for maintenance programs across a network of facilities.
Facilities Maintenance Associate - Armitage Flexihire TalentFacilities Maintenance Associate - ArmitageChicago, ILChicago Paid Leave: 40 hours per year of paid leave for any reason (accrues 1 hour per 35 hours worked, usable after 90 days). Chicago Paid Sick Leave: 40 hours per year of paid sick leave (accrues 1 hour per 35 hours worked, usable after 30 days).
Facilities Maintenance Associate - Diversey Flexihire TalentFacilities Maintenance Associate - DiverseyChicago, ILChicago Paid Leave: 40 hours per year of paid leave for any reason (accrues 1 hour per 35 hours worked, usable after 90 days). Chicago Paid Sick Leave: 40 hours per year of paid sick leave (accrues 1 hour per 35 hours worked, usable after 30 days).
Facilities Assistant VOA IllinoisFacilities AssistantChicago, IllinoisFacilities Assistant - HMII Location: Chicago, IL 60621 Pay: $20.50 - $24.60 per hour ($42,640 - $51,168 annually) Schedule: Full Time, Non-Exempt (40 hours/week) Work Arrangement: On-site About Us: Volunteers of America Illinois is a national, faith-based nonprofit founded over 125 years ago. Under the direction of the Property Manager, regularly inspects property for safety and security issues, including, but not limited to non-functioning lights, ground and trip hazards, broken fences, exposed wiring, pot holes and sewer line breaks.
Commercial Facilities Maintenance Technician EMCOR Facilities Services, Inc.Commercial Facilities Maintenance TechnicianDowners Grove, Illinois$25–$30 / hourFull timeOccasionally exposed to wet and/or humid conditions; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; outside weather conditions; extreme cold; extreme heat; and vibration. We provide comprehensive facility services ranging from mechanical maintenance and self-performed, site-based operations to energy-efficiency upgrades and supplier-managed interior/exterior maintenance.
Laboratory Schools: Facilities Specialist University of ChicagoLaboratory Schools: Facilities SpecialistChicago, IL$22.20–$22.32 / hourWork closely with the Director, Associate Director and Operations Manager to deliver on facilities activities, including maintenance of the work order system and the completion of work orders in a timely manner; event set-up and support; purchasing supplies and equipment; assisting in developing facilities-related policies and procedures; prioritizing and scheduling work requests, inspecting work, and providing guidance and assistance to staff, students, visitors, parents and faculty. Maintain and ensure the orderly appearance of adjoining areas and special equipment that supports the Lab Community, including site amenities such as loading docks, grills, patios, decks, exterior stairwells, green roofs and bicycle racks to maintain safe and presentable areas of travel accessible paths.
Facilities Engineer Sterling Engineering, Inc.Facilities EngineerChicago, IL$140,000–$155,000 / yearFacility Operations & Utilities Oversee daily operation and performance of plant utility systems including steam generation, chilled water systems, HVAC, and industrial refrigeration equipment. This is a hands-on role requiring strong technical expertise, leadership within a union environment, and a proactive approach to equipment reliability, compliance, and continuous improvement.
SkillBridge, Data Center Critical Facilities Engineer - Trainee EquinixSkillBridge, Data Center Critical Facilities Engineer - TraineeElk Grove Village, IllinoisTroubleshoots and maintains office equipment (if necessary); supports auxiliary equipment and machines with problem-solving and repairs to avoid/minimize downtime. The training will be on the cutting edge of technology, in a digital infrastructure environment, supporting an initiative designed to connect our nation’s warfighters to the best employment opportunities available.
Critical Facilities Technician II, HVAC ABM Industries IncCritical Facilities Technician II, HVACChicago, ILWith over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. Every day, our over 100,000 team members deliver essential services that make spaces cleaner, safer, and efficient, enhancing the overall occupant experience.
NewFacilities Trades Instructor Lakeshore Sport & FitnessFacilities Trades InstructorChicago, ILFull timeWhether you've taught at a trade school, trained apprentices, mentored technicians on the job, or simply have a passion for helping others grow, this is an opportunity to make a lasting impact. Teach practical skills including HVAC, plumbing, electrical, carpentry, painting, drywall, mechanical systems, and general building maintenance.
Facilities Technician Erie Family Health CenterFacilities TechnicianChicago, ILErie Family Health Centers is proud to announce the opening of a new health center within the Sankofa Village Wellness Center, a cornerstone of the larger Sankofa Wellness Village development at the corner of Madison and Kildare in West Garfield Park (opening in early 2026). Basic maintenance skills including electrical, the safe operation of electrical plumbing and HVAC systems and carpentry repair with a demonstrated ability to safely operate power tools required.
NewFacilities Associate Lead Elevance Health IncFacilities Associate LeadChicago, IL$70,048–$105,072 / yearHow You Will Make an Impact: Oversees daily staff activities and ensures all work orders are completed; ensures preventive and predictive maintenance programs for buildings, including tenant services are completed for assigned buildings. Serves as a customer-facing representative for Facilities, providing exceptional service to associates, visitors, vendors, and business partners by responding to facility requests, resolving issues, and ensuring a positive workplace experience.
Facilities Maintenance and Special Services Technician Anchor World ServicesFacilities Maintenance and Special Services TechnicianChicago, IllinoisKey Responsibilities & Duties: Floor Care & Restoration: Perform advanced floor care services, including stripping, waxing, buffing hard surface floors, and deep commercial carpet extraction. Building Maintenance & Repairs: Perform light carpentry, drywall repair, interior/exterior painting, and basic plumbing/electrical fixes (e.g., changing ballasts, fixing leaky fixtures).
Facilities Support Specialist Sterling Lawyers LLCFacilities Support SpecialistILIf you're someone who has spent a career getting things done - fixing what's broken, managing vendor relationships, negotiating leases, and keeping facilities running - and you're ready to do meaningful work on a flexible schedule, this role was built for you. Experience: Preferred: We're especially interested in experienced professionals who are winding down a full career and looking for a meaningful, flexible role - someone who wants to stay active and engaged without the demands of a full-time position.
Facilities & Maintenance Technician (Part-Time) Cristo Rey Jesuit High SchoolFacilities & Maintenance Technician (Part-Time)Chicago, IllinoisJob Title: Part – Time Facilities & Maintenance Technician Department: Facilities Classification: Non-Exempt Reports to: Director of Facilities Schedule: Part-time - Year-round A highly regarded Catholic school, Cristo Rey serves students in grades 9-12 and offers an engaging dual language curriculum program integrated with hands-on work experience allowing students unrivaled career exploration and mentorship, positioning them to succeed in college and beyond. Jesuit Schools Network and Cristo Rey Network: Cristo Rey Jesuit is sponsored by the Society of Jesus (the Jesuits), the largest religious order in the Roman Catholic Church, and is well known in the United States with over 50 high school and 28 colleges and universities.
Senior Architect, Transit Facilities T.Y. Lin International Group LtdSenior Architect, Transit FacilitiesChicago, IL$120,000–$160,000 / yearThis role offers the opportunity to contribute to high-profile infrastructure projects including passenger stations, maintenance facilities, rail yards, and other critical transit-supporting assets for agencies such as CTA, Metra, Amtrak, and related regional stakeholders. TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market.
Associate Vice President of Facilities Services University of ChicagoAssociate Vice President of Facilities ServicesChicago, IL$300,000–$375,000 / yearJob Summary: The University of Chicago is seeking an Associate Vice President of Facilities Services to provide transformational strategic direction and visionary planning for the stewardship of the University's 217-acre campus, comprised of 170 buildings and 18 million gross square feet, as well as other domestic and international sites. With oversight of a team of approximately 300 staff, the Associate Vice President will drive operational excellence and deliver robust, forward-looking strategies for capital projects, facilities operations, finance and business services, campus planning, and sustainability.
Real Estate Manager / Facilities Manager Blue Castle AgencyReal Estate Manager / Facilities ManagerChicago, IllinoisThis role partners closely with Legal, Operations, Finance, and external vendors to drive cost savings, manage risk, and improve efficiency across a large warehousing and service facility footprint. Strategic Real Estate Manager responsible for lease administration, facilities operations, and portfolio optimization across 270+ locations.
Director of Facilities Blue Castle AgencyDirector of FacilitiesChicago, New YorkThe ideal candidate brings deep NYC facilities experience , strong regulatory expertise, and the ability to lead through complexity while supporting a growing portfolio that includes active rehabs and new construction projects . This diverse portfolio includes affordable housing, senior (55+), SRO, and multifamily assets , ranging from small walk-ups and brownstones to large apartment communities and mixed-use buildings.
Overnight Facilities Supervisor Lakeshore Sport & FitnessOvernight Facilities SupervisorChicago, IllinoisThe Overnight Facilities Supervisor is expected to oversee all overnight facility operations and ensure the building is fully prepared for daytime staff, members, and guests each morning. The ideal candidate is a proactive leader who can effectively prioritize work, communicate expectations, and ensure scheduled daily, weekly, and monthly responsibilities are completed efficiently.
Client Facilities Lead Barrys Bootcamp LLCClient Facilities LeadChicago, ILPrepare studio spaces (lobby and locker rooms) before, after, and in-between classes by cleaning exercise equipment, sweeping, mopping and/or vacuuming floors, wiping mirrors and restocking amenities. Regular deep cleaning, organization, and service of common areas, including the lobby space, FuelBar, retail shelves, locker rooms, hallways, and storage areas.
Engineering Facilities Manager Dakkota Integrated SystemsEngineering Facilities ManagerChicago, IL$110,000–$130,000 / yearPart timeEnsure full departmental engagement in new program development, including process design, tooling, capital planning, equipment setup/debug, and validation to meet customer specifications, cycle times, and quality requirements. Provide strategic direction and oversight for Engineering, Maintenance, Facilities, ensuring all manufacturing equipment, tooling, processes, and site facilities are effectively maintained and optimized.
Facilities & Fleet Maintenance Associate Green Kitchen Concepts IncFacilities & Fleet Maintenance AssociateBridgeview, ILThis role is essential in maintaining a clean, organized, and efficient work environment, both in the shop and across our fleet of service vehicles. Green Kitchen Concepts is seeking a reliable and detail-oriented Facilities & Fleet Maintenance Associate to support our operations.
SkillBridge Critical Facilities Engineer, Data Center - Hiring our Heroes Cohort Q3'''' 2026 Equinix IncSkillBridge Critical Facilities Engineer, Data Center - Hiring our Heroes Cohort Q3'''' 2026Chicago, ILEquinix enables organizations to access all the right places, partners and possibilities to scale with agility, speed the launch of digital services, deliver world-class experiences and multiply their value, while supporting their sustainability goals. Interns will support routine and semi-routine tasks related to customer installations, infrastructure maintenance, and service delivery within the IBX (International Business Exchange) data centers.
NewWater Facilities Engineering Project Manager Clarity Partners, LLCWater Facilities Engineering Project ManagerChicago, IL$150,000–$195,000 / yearThe position requires strong technical engineering leadership and the ability to manage large, multidisciplinary project teams supporting municipal water systems. Lead the development and delivery of capital improvement projects for water purification plants, intake structures, pumping stations, reservoirs, and related infrastructure.
Senior Mechanical Engineer -Critical Facilities Syska Hennessy GroupSenior Mechanical Engineer -Critical FacilitiesChicago, IL$104,953–$152,430 / yearYou will be responsible for creating basic designs under the direction of the senior engineer and/or senior designer, develop specifications, system narratives and system layouts for a variety of projects and project sizes. Working from our Chicago, IL office, you will contribute to the design of major projects from Data center engineering design across all sectors from markets around the world.
Senior Sourcing Manager - Global Facilities & Utilities GE HealthCare Technologies IncSenior Sourcing Manager - Global Facilities & UtilitiesChicago, IL$154,000–$231,000 / yearDemonstrated ability in navigating matrixed organizations, leverage spend analytics to develop compelling business cases, present to senior leaders and influence change. Proven expertise in negotiation, with a strong track record of successfully negotiating contracts, SOWs pricing, and terms with suppliers to achieve optimal outcomes for the organization.
Outside Sales Representative - Facilities Supply Ferguson EnterprisesOutside Sales Representative - Facilities SupplyChicago, IllinoisFerguson is seeking an experienced Outside Sales Representative-Facilities Supply with experience in MultiFamily, Hospitality, Senior Living or Education Maintenance, Repair & Operations (MRO) and Renovations experience to manage and grow an existing customer portfolio while actively developing new business in the Chicagoland Market with a focus on northern Chicago. Ferguson, a Fortune 500 company, is proud to provide best-in-class products, service and capabilities across the following industries: Commercial/Mechanical, Facilities Supply, Fire and Fabrication, HVAC, Industrial, Residential Trade, Residential Building and Remodel, Waterworks and Residential Digital Commerce.
Facilities Coordinator CchcFacilities CoordinatorChicago, IllinoisFacilities Coordinator Job Summary/Overview: Facilities Coordinator ensures the daily operations, safety, and maintenance of a company's physical workspace, acting as the main point of contact for building maintenance, repairs, and vendor management. Maintenance Coordination: Schedule and oversee regular building seasonal maintenance schedule, including HVAC systems, plumbing, and electrical systems, and respond to urgent repair requests.
Commercial Facilities Maintenance Technician EMCOR Group IncCommercial Facilities Maintenance TechnicianDowners Grove, IL$25–$30 / hourOccasionally exposed to wet and/or humid conditions; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; outside weather conditions; extreme cold; extreme heat; and vibration. We provide comprehensive facility services ranging from mechanical maintenance and self-performed, site-based operations to energy-efficiency upgrades and supplier-managed interior/exterior maintenance.
Commercial Facilities Maintenance Technician Staffmark Group LlcCommercial Facilities Maintenance TechnicianIL$25–$30 / hourA nationally respected facilities services provider is seeking a skilled Commercial Facilities Maintenance Technician to support multiple commercial properties throughout the local region. In this role, you'll travel between client sites in a company-provided van, using a wide range of trade skills to keep buildings safe, functional, and operating at peak performance.
Facilities and Fleet Maintenance Manager Ace Hardware CorpFacilities and Fleet Maintenance ManagerOak Brook, IL$70,000–$110,000 / yearFacilities & Fleet Maintenance Manager (Mechanic / Welder / Operations) Location: San Jose, CA Job Type: Full-Time Compensation: $70,000 - $110,000 annually (DOE) About Us Payless Hardware, Rockery & Nursery has proudly served our community since 1973. This individual will serve as the go-to expert and problem solver, ensuring that our trucks, heavy equipment, machinery, and physical infrastructure are safe, compliant, and fully operational at all times.
Facilities Services Tech (Cleaner) ABM IndustriesFacilities Services Tech (Cleaner)Chicago, ILFull timeFor information about ABM’s benefits, visit ABM Employee Benefits | Front Line Team Members | (Programa de Beneficios de ABM) Typical Shift: Mon-Fri or Sun - Thurs (7am-3:30pm) Location: 850 N State Street. Participate in regular required communication with Head Janitor, Assistant Head Janitor, management, tenants and other staff.
NewFacilities Operations Coordinator Writers TheatreFacilities Operations CoordinatorChicago, ILor more, negotiating ladders, working from heights of up to 30 feet, and working from unusual angles to fix equipmentAbility to read and interpret construction documents, general periodicals, professional journals, technical procedures, or governmental regulationsAgreeable to a flexible/variable work schedule, including occasional evenings and weekendsAgreeable to participate in on call rotation for building emergencies, except for approved paid time offPass all pre-employment screeningCollaborative, cooperative, and proven performer in customer serviceWilling to work a flexible schedule, including occasional night and weekend shifts for performance coverage. Job Title: Writers TheatrePosition: Facilities Operations CoordinatorLocation: Glencoe, IL (in-person)Department: Director of Production and FacilitiesClassification: Full Time; Exempt; AnnualSalary: $60,000 based on experience, benefit eligibleAbout Writers TheatreWriters Theatre (WT) is a nationally recognized, award-winning theater company located on Chicago's North Shore, acclaimed for its intimate productions, bold new work, and exceptional artistry.
Engineering Facilities Manager Ambe EngineeringEngineering Facilities ManagerChicago, IllinoisProvide strategic direction and oversight for Engineering, Maintenance, Facilities, ensuring all manufacturing equipment, tooling, processes, and site facilities are effectively maintained and optimized. Ensure full departmental engagement in new program development, including process design, tooling, capital planning, equipment setup/debug, and validation to meet customer specifications, cycle times, and quality requirements.
(USA) Facilities Maintenance Manager, Licensed Mechanical Contractor Walmart Inc(USA) Facilities Maintenance Manager, Licensed Mechanical ContractorIL$99,000–$198,000 / yearBachelor's degree in engineering, Architecture, Construction Management, or related field and 3 years' experience in facilities management, construction management, mechanical maintenance, engineering, or related area OR 5 years' experience in facilities management, construction management, mechanical maintenance, engineering, or related area. *Recipical license may apply Licensing requirements vary by state, State mechanical contractor's license, Supervisory experience, Type I and Type II Environmental Protection Agency certification for refrigerant handling.