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Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects.

YEAR

Sargent & Lundy LLC

Senior Feasibility Study Engineer 1 Nuclear

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U.S. Electrical Testing specializes in electrical acceptance testing, maintenance testing, and commissioning services for the nation's most recognizable mission-critical facilities, secure environments, commercial and industrial clients, and electrical contractors. Testing & Validation: Oversee the testing and validation of electrical systems, including but not limited to transformers, switchgear, protective relays, and control systems, ensuring they meet design specifications and client requirements.

M.C. Dean is Building Intelligence™. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission-critical facilities, secure environments, complex infrastructure, and global enterprises.
The company’s capabilities include electrical, electronic security, telecommunications, life-safety, instrumentation and control, and command and control systems.
M.C. Dean is headquartered in Tysons, Virginia and employs more than 4,000 professionals engineers,technicians, and staff who deploy worldwide automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

M.C. Dean Inc

Sr. Commissioning Engineer Manager - Tysons, VA

The ideal candidate will possess strong leadership experience designing telecommunications infrastructure projects involving copper and fiber optic cabling, telecom room modernization, and large-scale enterprise network environments. AGE Solutions is seeking an experienced BICSI Registered Communications Distribution Designer (RCDD) Telecom Design Engineer to support a large-scale campus-wide telecommunications infrastructure refresh for a federal customer in the Washington, DC area.

AGE Solutions

RCDD Telecom Design Engineer

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AWS Data centers have multiple components such as generators, uninterruptible power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. As a Data Center Controls Engineer, your primary customers are Data Center Engineering Operations (DCEO), who depend on you to deliver reliable, well integrated Building Management Systems (BMS) and Electrical Power Monitoring Systems (EPMS).

At Amazon, we don’t wait for the next big idea to present itself. We envision the shape of impossible things and then we boldly make them reality. So far, this mindset has helped us achieve some incredible things. Let’s build new systems, challenge the status quo, and design the world we want to live in. We believe the work you do here will be the best work of your life. 
Wherever you are in your career exploration, Amazon likely has an opportunity for you. Our research scientists and engineers shape the future of natural language understanding with Alexa. Fulfillment center associates around the globe send customer orders from our warehouses to doorsteps. Product managers set feature requirements, strategy, and marketing messages for brand new customer experiences. And as we grow, we’ll add jobs that haven’t been invented yet. 
It’s Always Day 1 
At Amazon, it’s always “Day 1.” Now, what does this mean and why does it matter? It means that our approach remains the same as it was on Amazon’s very first day – to make smart, fast decisions, stay nimble, invent, and stay focused on delighting our customers. In our 2016 shareholder letter, Amazon CEO Jeff Bezos shared his thoughts on how to keep up a Day 1 company mindset. “Staying in Day 1 requires you to experiment patiently, accept failures, plant seeds, protect saplings, and double down when you see customer delight,” he wrote. “A customer-obsessed culture best creates the conditions where all of that can happen.” You can read the full letter <a href="https://hiring.amazon.com/why-amazon/culture#/">here</a> 
Our Leadership Principles 
Our Leadership Principles help us keep a Day 1 mentality. They aren’t just a pretty inspirational wall hanging. Amazonians use them, every day, whether they’re discussing ideas for new projects, deciding on the best solution for a customer’s problem, or interviewing candidates. To read through our Leadership Principles from Customer Obsession to Bias for Action, visit <a href="https://www.amazon.jobs/principles" target="_blank">https://www.amazon.jobs/principles</a>

Amazon.com Inc

Controls Engineer, Deployment, CDS - DCCD

Lead the development and execution of preventive maintenance programs, engineering procedures, fire safety and emergency action plans, life safety programs, water quality control (where required), and indoor air quality initiatives alongside team of Facility Managers. In addition to a comprehensive benefits package, Cushman and Wakefield provide eligible employees with competitive pay, which may vary depending on eligibility factors such as geographic location, date of hire, total hours worked, job type, business line, and applicability of collective bargaining agreements.

Cushman & Wakefield

Senior Chief Engineer

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FULL_TIME

Bachelor's degree in systems engineering, electrical engineering, computer science, aerospace engineering, or related technical field with 10 years of relevant systems engineering experience; OR Master's degree with 5 years of relevant experience; OR PhD in related field. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.

At Noblis we take pride in solving difficult science, technology, and strategy problems that help our government and our country. By assembling top talent across many different disciplines and domains, we apply expertise to help our customers implement practical solutions. Headquartered in Falls Church, Virginia, the atmosphere at Noblis fosters continuous learning, knowledge sharing, collaboration, independence, and objectivity. We employ only the most accomplished and qualified professionals who work wherever there are challenging problems to solve--near the Washington, DC area and throughout the United States.

Noblis

Unmanned Systems - Systems Engineer (Multiple Levels)

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Precigen is a dedicated commercial and clinical stage biopharmaceutical company advancing the next generation of gene and cell therapies using precision technology to target the most urgent and intractable diseases in our core therapeutic areas of immuno-oncology, autoimmune disorders, and infectious diseases. This position will be supporting all technical aspects of Gene Therapy cGMP manufacturing clinical stages to commercialization of Adenovector products, including process transfer, process validation, continuous process verification, manufacturing facility startup, and regulatory filings.

Precigen Inc

Process Engineer - Drug Substance Manufacturing

Here''s what you''ll do during a typical day: Partner in leading facility operations: Assist in directing the functionality, safety, and compliance of buildings, mechanical systems, electrical systems, HVAC, life safety systems, and grounds in accordance with federal, state, and local regulations. As a Chief Engineer, you're not just assisting the Director in overseeing the safety and functionality of the property - you're spreading the light and warmth of hospitality by delivering memorable experiences that make the stay for every guest.

Hilton Worldwide Holdings Inc

Chief Engineer - Capital Hilton

Our Arlington, DC, and Baltimore offices are seeking Intern Engineers for Summer 2027 in the following areas: Water Resources, Roadway, Structures, Transportation Planning, ITS, Tolling, and Construction Management. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.

HOUR

HNTB Corp

Intern Engineer - Summer 2027

The AES Clean Energy (ACE) team is seeking a dynamic and passionate Generator Modeling Engineer to oversee generator models throughout the project lifecycle for ACE's rapidly growing renewable portfolio - modeling generators from interconnection study phases, through construction, and through operations. Principal Duties and Responsibilities: Prepare, review, and submit generator models for new and existing renewable resources for interconnection request packages, as-built model submittals, ISO, and NERC requirements.

The AES Corp

Generator Modeling Engineer

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About the CompanyTrusted engineering, construction, and project management partner serving Energy, Infrastructure, Manufacturing & Technology, Mining & Metals, and Nuclear, Security & Environmental sectors. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces.

AWS Infrastructure Engineer

Vantage is seeking a Senior Automation Systems Engineer, Delivery, North America who is a senior individual contributor responsible for the technical delivery, integration, testing, and turnover of automation systems for new data center capacity and major expansions. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands.

Vantage Data Centers

Senior Automation Systems Engineer, Delivery, NA

Job Description: As a critical member of our Facilities Team, the Building Systems Engineer, Senior Associate is responsible for the operation, maintenance, and repair of Net Zero building systems, including mechanical, electrical, plumbing, life safety, and building automation systems. Conducts routine building walk-throughs to assess system performance, document equipment condition, identify energy inefficiencies, and report deficiencies requiring corrective action that could impact energy use or NZE performance targets.

HITT Contracting Inc

Senior Associate, Building Systems Engineer

Vantage is seeking a  Principal Engineer, Mechanical Engineering  to serve as a senior technical leader within the Design Engineering Department, driving innovation, quality, and performance across hyperscale data center projects. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands.

Principal Mechanical Engineer, NA

Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.

Booz Allen Hamilton

Civil Engineer

The Lead Building Engineer, under general direction, supervises and directs the maintenance, repair, and alteration of buildings and allied equipment; plans and schedules work projects; administers various service contracts; provides technical assistance to the Chief Building Engineer and performs related duties associated with the assigned portfolio as required. Headquartered in Dallas, TX and operating in core markets coast to coast, we complete billions in annual transactions in office, industrial, retail, healthcare, land, and data center properties.

Stream Realty

Lead Building Engineer

Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. This role requires a deep understanding of data center electrical and mechanical infrastructure, including power distribution, critical backup systems, cooling architectures, life‑safety systems, and overall facility design.

Data Center Solutions Architect - Sales Engineer

Taking a holistic approach across building systems (HVAC, Lighting, FLS) and technology infrastructure, this role drives operational efficiency, energy optimization, cybersecurity compliance, and occupant comfort. 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.

JLL is a financial and professional services firm specializing in commercial real estate services and investment management. We create value for companies and institutions that invest in and use real estate. With 60,000 employees across 280 corporate offices worldwide, we serve the local, regional and global real estate needs of corporates and investors in more than 80 countries. Our integrated services offering is grounded in expertise in all property types, a deep understanding of real estate markets and capital markets, and is coordinated and consistent across geographies.

BMS Controls Engineer /Iot Operations SME

Making physical inspections of work performed, equipment and testing of equipment for correct operation of all components of the refrigeration cycle and other relevant factors contributing to the proper and efficient operation of systems, boilers, chillers, HVAC, plumbing, electrical systems, etc.• Answering occupants' complaints relating to Trades and Central Plant and reports information to management.• As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success.

A provider of critical infrastructure systems, EMCOR gives life to new structures and sustains life in existing ones by its planning, installing, operating, maintaining, and protecting the sophisticated and dynamic systems that create facility environments—such as electrical, mechanical, lighting, air conditioning, heating, security, fire protection, and power generation systems—in virtually every sector of the economy and for a diverse range of businesses, organizations, and government.

EMCOR Group Inc

Lead Engineer (FDIC VASQ)

We cultivate a business environment that prioritizes building lasting relationships, providing a work atmosphere that challenges and rewards employees, providing quality work and services, acting with a sense of urgency, managing risks and keeping everyone safe, and adding value. Grab your boots and get ready to be part of the action on large-scale construction jobsites, building truly meaningful and impactful environmental infrastructure that millions of people depend on for clean water every day.

A company of construction professionals. We specialize in the construction and renovation of water and wastewater treatment plants, pump stations, and associated utility work.

As an engineering-based company, our personnel are trained professionals experienced in the on-time delivery of environmental construction projects using Design-Build, Construction Manager at-Risk, and conventional General Contracting.

We are committed to excellence in all that we do. We build lasting relationships with our customers by delivering on our promises and recognizing that customer satisfaction is earned. We excel by providing the highest-quality projects on-time and for the best possible value.

Project Engineer Jobs in Ashburn, VA

Senior Feasibility Study Engineer 1 Nuclear Sargent & Lundy LLC

Sr. Commissioning Engineer Manager - Tysons, VA M.C. Dean Inc

RCDD Telecom Design Engineer AGE Solutions

Controls Engineer, Deployment, CDS - DCCD Amazon.com Inc

Senior Chief Engineer Cushman & Wakefield

Unmanned Systems - Systems Engineer (Multiple Levels) Noblis

Process Engineer - Drug Substance Manufacturing Precigen Inc

Chief Engineer - Capital Hilton Hilton Worldwide Holdings Inc

Intern Engineer - Summer 2027 HNTB Corp

Generator Modeling Engineer The AES Corp

AWS Infrastructure Engineer GTT

Senior Automation Systems Engineer, Delivery, NA Vantage Data Centers

Senior Associate, Building Systems Engineer HITT Contracting Inc

Principal Mechanical Engineer, NA Vantage Data Centers

Civil Engineer Booz Allen Hamilton

Lead Building Engineer Stream Realty

Data Center Solutions Architect - Sales Engineer Vantage Data Centers

BMS Controls Engineer /Iot Operations SME JLL

Lead Engineer (FDIC VASQ) EMCOR Group Inc

Co-Op / Internship Engineers Ulliman Schutte

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