Operating Engineer Jobs

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Data Center Operating Engineer General Description: The Data Center Operations Engineer is responsible for delivery of best practice systems and problem resolution on all data center electrical and mechanical infrastructure (UPS, MV electrical systems, generators, cooling systems etc.) Location: Principal Duties and Responsibilities Task will include but not be limited to: Responsible for maintaining, monitoring, and performing preventive maintenance and continuous operation of all building systems to maintain 100% Up-time including: fire/life safety, mechanical systems such as (HVAC, chillers, crac, crah, plumbing, controls), electrical including emergency backup systems such as (lighting, UPS, ATS, STS, PDU, generators, primary switchgear, power distribution, transformers), and hot water systems. Monitors operation, adjusts, and maintains refrigeration, chilled water, and air conditioning equipment; boilers, and ventilating and water heaters; pumps, valves, piping, and filters; other mechanical and electrical equipment. Must record readings and make and adjust where necessary to ensure proper operation of equipm

Operating Engineer — Richmond, VA. Apply via Workday.

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. What this job involves: This position leads operations and maintenance activities for critical building systems, managing a high-performing engineering team to ensure maximum infrastructure availability and client satisfaction. The role combines hands-on technical expertise with leadership responsibilities, overseeing both preventive and corrective maintenance programs while maintaining compliance with regulatory requirements and safety standards. Your day-to-day tasks will include: Lead operations and maintenance on assigned shift, monitoring performance and directing service requests with minimal disruption to building operations Operate and monitor critical system equipment including HVAC, UPS systems, generators, chillers, and building management systems Provide technical training and support to shift engineers and maintenance technicians while fostering team development Implement and oversee preventative maintenance programs, including scheduling, task delegation, and parts ordering Process work orders for preventative and corrective maintenance, consulting with staff to identify materials and complete documentation Respond immediately to operationa

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Operating Engineer – JLL What this job involves: As an Operating Engineer at JLL, you will play a critical role in ensuring the seamless operation of building systems and maintaining exceptional tenant comfort and safety. Working under the direction of the Lead Engineer, you will be responsible for completing essential maintenance tasks, responding to tenant service requests, monitoring equipment performance, and maintaining HVAC systems across critical and commercial facilities. This position is central to JLL's commitment to delivering world-class property management services and creating environments where our clients and their tenants thrive. What your day-to-day will look like: Respond promptly to tenant service requests including temperature complaints, lighting repairs, breaker resets, furniture moving, and general maintenance needs while ensuring minimal disruption and immediate cleanup of work areas Perform preventive maintenance tasks on HVAC equipment, mechanical systems, and building infrastructure, completing task sheets and reporting any equipment problems or supply shortages to the Lead Engineer Monitor and record equipment readings, settings, and operational changes in logbooks, including HVAC start-up verification, fire pump checks, temperature readings, and static pressure measure

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Lead Operating Engineer – JLL What this job involves: The Lead Operating Engineer supports the facility management team in delivering reliable building operations and exceptional client service. This position is responsible for maintaining building systems, responding to facility requests, coordinating repairs, and supporting preventive maintenance activities to ensure a safe, efficient, and well-maintained environment. The role requires strong technical knowledge, customer service skills, and the ability to work effectively in a fast-paced facilities management environment while contributing to JLL’s commitment to operational excellence and client satisfaction. What your day-to-day will look like: Respond to client inquiries, service requests, and facility-related concerns in a timely and professional manner. Perform preventive maintenance, troubleshooting, and repairs on building systems including HVAC, plumbing, electrical, fire protection, generators, and related equipment. Monitor building systems, record operational readings, and identify corrective actions for equipment malfunctions. Coordinate and communicate with vendors, subcontractors

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Summary The Assistant Chief Engineer - Critical Environments supervises and directs operating engineers in installation, repair, and maintenance of all base building and critical system machinery and equipment. Responsible for supervising the operating team on their shift. Assumes the Chief Engineers responsibilities if the Chief Engineer is not on site. Principal Duties and Responsibilities Task will include but not be limited to: Supervise and direct maintenance staff on shift and monitor performance of assigned responsibilities. Perform and/or direct the performance of all maintenance departmental service requests, ensuring that work performed in these areas is accomplished efficiently with a minimum amount of disruption and inconvenience. Check malfunctioning equipment and ascertain corrective action required to restore satisfactory operating condition. Provide training and supervision aimed at expanding the capabilities of the operations staff. Specific duties include but not limited to: Demonstrating the proper use and care of tools and instruments, giving hands on instruction in basic maintenance, safety, and troubleshooting proced

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. What this job involves – Operates, inspects, and maintains all HVAC, mechanical, electrical and plumbing equipment and systems in assigned facilities to obtain most efficient operating results and life expectancy. Assures that equipment is being maintained in an energy efficient, safe manner and down time is reduced to a minimum by anticipation of necessary repairs keeping records of past operating experiences. Performs inspections and repairs to assigned property interior and exterior areas, including walls and flooring, installed fixtures, roofing systems, lighting, etc. This is a position attached to the Collective Bargaining Agreement between JLL and the International Union of Operating Engineers – Local 39. What is your day to day? Performance of ongoing preventive and repair response work orders on facility mechanical, electrical, and other installed systems, equipment, and other components. Maintain, operate, and repair all HVAC systems and associated equipment, electrical distribution equipment, plumbing systems, building interior/exterior repair, and related grounds as it pertains to assigned buildings. Perform assigned facility inspections and due diligence efforts, reporting on as found conditions impacting satisfactory client occ

About the Team OpenAI Consumer Devices is building the next generation of products that bring powerful AI into people’s everyday lives. Guided by OpenAI’s mission to ensure AGI benefits all of humanity, our team combines world-class researchers, engineers, designers, and operators who care deeply about creating useful, intuitive, and responsible technology. You’ll have the opportunity to work alongside exceptional people on ambitious, zero-to-one challenges at the intersection of hardware, software, and AI. This is a chance to help define an entirely new category of products—and shape how people experience AI in the future. Our team works across silicon, embedded systems, operating systems, and cloud services to build reliable consumer devices and the novel platforms required to support them. We partner closely with research to bring advanced AI capabilities into the physical world. About the Role As an Operating Systems Engineer focused on on-device inference, you will design, develop, and ship the OS stack that makes advanced AI capabilities reliable, responsive, and energy efficient on consumer devices. Your work will span OS services and frameworks, inference runtime integration, model fitting, scheduling, and performance and power management. You’ll partner with research to adapt models to device constraints, make design decisions across the stack, and carry solutions from early exploration through integration and production. In this role, you will: Build the inference platform: Design and implement maintainable OS services, frameworks, and clear interfaces for inference execution, model loading and lifecycle, and resource management. Fit models to device constraints: Partner with researchers on quantization, runtime integration, and memory optimization to meet memory, compute, and energy budgets while evaluating model quality and product behavior. Coordinate system resources: Develop scheduling and resource policies that balance inference with other device act

About the Team OpenAI Consumer Devices is building the next generation of products that bring powerful AI into people’s everyday lives. Guided by OpenAI’s mission to ensure AGI benefits all of humanity, our team combines world-class researchers, engineers, designers, and operators who care deeply about creating useful, intuitive, and responsible technology. You’ll have the opportunity to work alongside exceptional people on ambitious, zero-to-one challenges at the intersection of hardware, software, and AI. This is a chance to help define an entirely new category of products—and shape how people experience AI in the future. Our team works across custom silicon, embedded systems, operating systems, and cloud services to build reliable consumer devices and the platforms behind them. We connect kernel development with the broader software stack to deliver complete product capabilities. About the Role As an Operating Systems Engineer focused on the Linux kernel, you will design, develop, and maintain the kernel capabilities that underpin OpenAI’s consumer devices. You’ll bring deep expertise in one or more Linux kernel subsystems and carry solutions through the higher-level software stack. Your ownership will extend into the userspace services, libraries, tools, and interfaces needed to deliver complete product features. You’ll shape the boundaries between kernel and userspace, make design decisions across the stack, and see your work through development, integration, and production. In this role, you will: Build kernel capabilities: Design, implement, and maintain Linux kernel subsystem changes that support device capabilities and product requirements. Own features across the stack: Choose appropriate kernel and userspace boundaries, and build the interfaces and supporting components needed to deliver reliable features in shipped products. Debug complex system behavior: Use tracing, profiling, instrumentation, and diagnostic tools to resolve correctness, concurrency, p

About the Team OpenAI Consumer Devices is building the next generation of products that bring powerful AI into people’s everyday lives. Guided by OpenAI’s mission to ensure AGI benefits all of humanity, our team combines world-class researchers, engineers, designers, and operators who care deeply about creating useful, intuitive, and responsible technology. You’ll have the opportunity to work alongside exceptional people on ambitious, zero-to-one challenges at the intersection of hardware, software, and AI. This is a chance to help define an entirely new category of products—and shape how people experience AI in the future. Our team works across systems software and product engineering to build reliable consumer devices and the platforms behind them. We develop the connectivity and networking foundations that support communication across OpenAI products and systems. About the Role As an Operating Systems Engineer focused on connectivity and networking, you will design, develop, and maintain the OS capabilities that enable reliable, secure, and efficient communication across OpenAI products and systems. Your work will span Wi-Fi and Bluetooth frameworks, IP networking, and advanced network services and policy. You’ll develop OS services, libraries, and interfaces for a broad range of connectivity needs, make design decisions across software boundaries, and carry solutions through development, integration, and production. In this role, you will: Build connectivity foundations: Design, implement, and maintain OS services, frameworks, and APIs for Wi-Fi, Bluetooth, and IP networking. Develop reusable network capabilities: Build connection management, network configuration and selection, service discovery, and routing capabilities. Enable secure communication: Develop network services and policies for secure communication, traffic management, and isolation across varied network environments. Resolve issues across the stack: Investigate correctness, concurrency, interoper

About the Team The Consumer Devices team at OpenAI builds end-to-end hardware and software systems that bring AI into the physical world. We work at the intersection of custom silicon, embedded systems, operating systems, and cloud services to deliver reliable, production-ready devices at scale. About the role We are looking for an Operating Systems Engineer to build and harden the OS foundations for OpenAI products. We are especially interested in experienced, passionate, and innovative operating systems developers who thrive on building foundational platform software and solving hard problems in security, privacy, performance, power, and reliability. You will work across the OS kernel, core OS services, security and privacy primitives, performance and power, and the frameworks that connect applications and UI to the system. This role emphasizes deep debugging and systems ownership from development through production. You will collaborate closely with embedded, firmware, hardware, application, and product engineering teams. Experience with hardware bring-up is a plus, but not required. What you will do Work on end-to-end OS capabilities spanning the OS kernel, userspace services, application frameworks, UI toolkits, and application-facing APIs. Develop, integrate, and maintain OS components, both kernel-bound and in userspace, including scheduling, memory management, filesystems, drivers, IPC/RPC mechanisms, and security-relevant subsystems. Build and maintain core OS services and daemons (init, service management, device discovery, networking primitives, time, logging, update hooks, crash handling, and so on). Design and implement security and privacy mechanisms: Secure boot and measured boot integration points (where applicable). Mandatory access control and sandboxing. Secrets management, secure storage, key handling, and least-privilege service design. Privacy-preserving telemetry, data minimization, and user-consent oriented system behaviors. Establish a perfo

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. What this job involves: As an Operating/Building Engineer with a primary focus on HVAC and mechanical systems, you'll play a critical role in keeping our industrial manufacturing facility's environmental control and building systems running at peak performance during overnight hours. This position centers on operating, maintaining, troubleshooting, and repairing HVAC equipment and facility systems that support production operations, including large-capacity chillers, boilers, process cooling systems, air handlers, exhaust ventilation, compressed air systems, and related Mechanical, Electrical, Plumbing, Fire, and Life Safety systems. You'll manage complex HVAC and industrial utility systems that directly impact production continuity, diagnose and resolve system issues as they arise, and ensure optimal environmental conditions while manufacturing operations continue seamlessly. At JLL, we are collectively shaping a brighter way for our clients, ourselves, and our fellow employees, and your HVAC and industrial systems expertise will be essential to delivering the reliable, efficient facility operations our manufacturing clients depend on. What your day-to

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. We're looking for a technical, hands-on, and infrastructure-minded Engineering Manager to lead our Notifications team within the Growth organization. Notifications is a full-stack team owning the platform and infrastructure that powers every notification Discord sends, the orchestration layer that optimizes notifications globally across types, the in-app notifications center, and the user-facing settings and client experience. You will lead a team of full-stack engineers operating business-critical systems that fan out to hundreds of millions of users while shipping the re-engagement surfaces that bring them back. This role reports to the Senior Engineering Manager of Growth. What You'll Be Doing Lead a team of full-stack engineers building and operating the notifications platform — Elixir services, Python backends, pubsub pipelines, and the Kubernetes infrastructure underneath them Set technical direction for notifications infrastructure and ensure systems scale reliably as volume and complexity grow Partner with Product, Design, Data Science, and Marketing to define and execute the notifications roadmap Use experimentation and metrics to drive continuous improvement in notification engagement, retention, and long-term user trust Build a high-performing team through hiring, coaching, and instilling engineering best practices Partner with platform consumers across Discord to evolve the primitives other teams depend on to reach our users Partner with engineering leadership on strategic planning and organizational improvement What you should have 5+ years of experience as a Software Engineer, with signifi

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview Instacart’s Growth Lifecycle Incentives team builds coupon experiences, one of the company’s core revenue drivers. We own the end-to-end experience for coupon storing, serving, ranking, and merchandising in app, web and CRM, partnering closely with Product, Data Science and Machine Learning Engineers, Retailer Managers to deliver features that make the coupon more valuable and accessible. We’re looking for Senior Software Engineers to design and build backend services and user-facing experiences. You’ll join a team of 19 engineers operating in a fast-paced environment. If you thrive on tackling complex problems, balancing new feature work with retailer-driven requests and technical debt, and rolling up your sleeves to deliver impact, this role is for you. About the Job Design, build, and own backend services, APIs, and data integrations that power co

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. Role summary We are seeking a Networking Operating System Firmware Engineer to help bootstrap and scale the switching layer of our AI supercomputers. In this role, you will build and maintain custom NOS images from scratch, using open source components from SONiC, SAI, FRR, and related networking stacks while working across the Linux kernel, switch ASIC SAI/SDKs, platform drivers, control-plane services, and orchestration layers. This is a software engineering role that requires a deep understanding of networking, NOS internals, switch hardware, and production systems. You will design, implement, test, and debug production NOS software across platform drivers, routing and control-plane state, ASIC programming, observability, and fleet integration. The engineer in this role should be able to work through ambiguous, open-ended technical problems and drive feature development across software, hardware, and vendor boundaries. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will Design, develop, and maintain custom NOS images for large-scale AI fabrics, using open source components from SONiC, FRR, and related networking stacks. Integrate, build and configure Linux kernel components, device drivers, switch ASIC SDKs, and SAI layers. Bring up new switch platforms, including thermal and fan control, power monitoring, transceiver management, watchdogs, OSFP CMIS, L