Building Engineer Jobs in Washington, DC

*US AMR-Jones Lang LaSalle Americas, Inc.

$70000 - $80000

Arlington, VA

Will execute a comprehensive preventive maintenance program designed to maximize equipment reliability which will include performing scheduled inspections, routine servicing, and component replacements across HVAC, electrical, plumbing, and mechanical systems according to manufacturer specifications and established maintenance protocols. Proficiency performing preventive maintenance for HVAC, Mechanical and Electrical equipment and with performing scheduled maintenance tasks such as Filter replacement, Lubrication of rotating equipment and Calibration of controls.

Constellation Energy

$92700 - $154000

Benedict, MD

Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.

L3Harris Technologies

Springfield, VA

This position serves as a subject matter expert responsible for developing, coordinating, and delivering comprehensive space operations training programs to both operational and supporting personnel to ensure sustained mission readiness and performance excellence. This role ensures personnel are prepared to monitor, analyze, assess, and deliver mission status, courses of action (COAs), anomaly investigations, and decision-support products to senior government decision-makers.

Exelon

$117600 - $161700

Washington, DC

We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). Influences other IT teams, leadership, enterprise business partners, vendors and project/design teams, in all aspects of the secure & reliable hosting of applications throughout Exelon's large & complex enterprise and real time operational environments.

Sodexo

$29.75 - $38.25

GERMANTOWN, MD

Operate and maintain stationary engines and equipment such as steam engines, boilers, air compressors, generators, turbines, and refrigeration equipment. We believe in improving the quality of life for those we serve and contributing to the economic, social, and environmental progress in the communities where we operate.

Global TechPro

Arlington, VA

While each engineer will bring a primary strength in either cloud or on-premise technologies, both profiles work together across our DevOps teams, building broad expertise in infrastructure automation, CI/CD, and platform support. Build, maintain, and support CI/CD pipelines and automation across cloud environments (GitLab, AWS, EKS, Terraform, Docker) and on-premise environments (Jenkins, OpenShift, Ansible).

Jobot

$90000 - $130000

Washington, DC

This role focuses on programming, configuring, and commissioning DDC systems while working closely with engineers, project managers, and field teams to ensure systems perform as designed from startup through turnover. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Credence

McLean, VA

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

Lockheed Martin

$150800 - $265880

Oxon Hill, MD

Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $150,800 - $265,880. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.

Jobot

$100000 - $130000

Washington, DC

We are seeking a Mechanical Engineer with Mission Critical Data Center Project experience performing design, coordination, and implementation of mechanical systems for high-performance, technically complex facilities such as Data Centers, Laboratories, Clean Rooms, and Critical Infrastructure environments. 10+ years of experience in a MEP or integrated design firm working on commercial/public projects, including the design of HVAC, plumbing and fire protection building systems on complex projects.

OneMain Financial

$110000 - $132000

Baltimore, MD

In this role, you will work closely with Product, UX, Engineering Managers, and other senior engineers to shape platform architecture, guide technical direction, and deliver scalable, high-quality software that improves the financial wellness of our customers. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.

OneMain Financial

$130000 - $156000

Baltimore, MD

Along with security platform mastery in more than one platform area (IDS/IPS, firewall/WAF, access and identity, malware defense, threat modeling, exposure management, among others), the Principal Cybersecurity Engineer is formally trained in enterprise IT design and architecture practices. The Principal Cybersecurity Engineer has a demonstrated mastery in multiple security and non-security technology platforms, with the ability to both lead and advise on the overall designs and strategies of both security and non-security technologies.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

We are seeking a Maritime Autonomous Systems Engineer to help the US Navy prototype and adopt new maritime robotics technologies for uncrewed surface vehicles (USVs), uncrewed undersea vehicles (UUVs), and other robotic vehicles. In this role, you will have a direct impact on the Navy’s biggest challenges as you apply your systems engineering, test, and team leadership skills to achieve the goals of APL prototype projects and modernize our sponsors’ acquisition approach for autonomous systems.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Our dedicated team of engineers and analysts apply multidisciplinary fields such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. As a Modeling and Simulation Engineer / Analyst for ISRT and BMC2 Applications: Your primary responsibility will be to contribute to teams developing mathematical / physics-based models, simulations, analytical methods and tools using Python, MATLAB, government software like AFSIM and other internal M&S tool-sets.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

Exelon

$84800 - $116600

Washington, DC

We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). Performs engineering tasks associated with large projects or a number of small projects (e.g., analyze and interpret the results of complex power flows and perform complex engineering tests, and analyze non-specific and ambiguous results) .

MaxCyte, Inc

$115000 - $140000

Rockville, MD

Bioprocessing Systems: Design and develop bioprocess consumables and systems that support closed, sterile, single-use processing in GMP manufacturing environments, including fluid circuits, interfaces, and integrated fluid and thermal control components such as pumps, valves, heaters, and sensors. Fluid Systems: Strong understanding of fluid handling and fluid control systems, including tubing-based flow paths, pressure-driven flow, pumping, valving, and manifolds, Experience integrating fluid sensing including bubble detection, pressure & liquid sensing, etc.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

Jobot

$120000 - $165000

Sterling, VA

Successful candidates will have experience in Electrical Systems & Equipment with a focus in Data Centers and Mission Critical Facilities; experience and an understanding of Building MEP Systems Design, Construction, and Commissioning of Critical Systems ranging in size, rating, and complexity; Commissioning, Testing and Troubleshooting of Electrical Systems and related controls. Knowledgeable with common mechanical, and controls-related building equipment, including: Engine generators / Uninterruptible power supplies & battery systems / Medium and low-voltage electrical switchgear/ PLC controls and sequences of operations / Automatic transfer switches / Static transfer switches / Power distribution units / Busways.

Exelon

$122400 - $168300

Rockville, MD

Develops and/or leads teams in studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas, and telecommunication facilities/systems. We are a Fortune 200 company, 19,000 colleagues strong serving more than 10 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).

Jobot

$95000 - $135000

Sterling, VA

Successful candidates will have experience in Electrical Systems & Equipment with a focus in Data Centers and Mission Critical Facilities; experience and an understanding of Building MEP Systems Design, Construction, and Commissioning of Critical Systems ranging in size, rating, and complexity; Commissioning, Testing and Troubleshooting of Electrical Systems and related controls. Knowledgeable with common mechanical, and controls-related building equipment, including: Engine generators / Uninterruptible power supplies & battery systems / Medium and low-voltage electrical switchgear/ PLC controls and sequences of operations / Automatic transfer switches / Static transfer switches / Power distribution units / Busways.

Jobot

$85000 - $130000

Fairfax, VA

The ideal candidate will have a strong background in Electrical or Architectural Engineering and will be comfortable preparing technical design documents, modeling construction drawings for building systems, and managing projects from schematic design to construction administering phases. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Johns Hopkins Applied Physics Laboratory (APL)

$85000 - $245000

Laurel, MD

Perform software engineering including requirements development, network architecture design, object-oriented design, agile software development, laboratory system integration and testing, and field testing. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. We are seeking dedicated individuals to perform purposeful research and development toward building new capabilities to ensure the resilience, safety, and security across a range of military and intelligence community systems.

Credence

$170000 - $195000

McLean, VA

We have an upcoming need for a highly skilled Lead Oracle ERP Enterprise Architect to support the implementation of DevSecOps, CI/CD pipelines, and cloud-native modernization of an Oracle EBS 12.2.x ERP platform hosted in Oracle Cloud Infrastructure (OCI) and this is slated to kick off in April 2026. We practice servant leadership and believe that by focusing on the success of our clients, team members, and partners, we all achieve greater success.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

A Bachelor's degree (or equivalent experience) in Electrical Engineering, Computer Engineering, Physics, Mathematics or another related field with at least ten years of relevant experience, OR a Master's degree (or higher) in one of the same fields of study with at least five years of relevant experience. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Jobot

$140000 - $180000

Bethesda, MD

The organization partners, acquires, or in-licenses drugs from pharma companies, research organizations, and biotechs to develop programs past clinical proof of concept and beyond, ultimately helping to bring new medicines to patients. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Jobot

$120000 - $150000

Arlington, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

Nesco Resource

$64.73 - $71.92

Ashburn, VA

ICW site Facility Managers, Responsible for managing maintenance work order and asset tracking software, including uploading new work orders and processes as required. ICW associated site Facility Manager, Lead Root Cause Analysis (RCAs) efforts for applicable problems and malfunctions involving critical infrastructure.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. You will work with a small team of engineers and scientists on multiple concurrent projects to collect, analyze, document and monitor requirements that fuel the engineering development cycle.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Amazon Data Services, Inc.

Herndon, VA

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. USA, VA, Herndon - 136,600.00 - 184,800.00 USD annually USA, WA, Seattle - 136,600.00 - 184,800.00 USD annually5c143e31-5e48-4549-b638-05792d185386

MedStar Health

$34.54 - $65.34

Olney, MD

Under general supervision performs stationary engineer work in the hospital power plant involving a variety of routine and fairly complex problems. Operates boilers water chillers pumps air compressors and generators to provide steam electrical power heat and chilled water throughout hospital.

Artech LLC

McLean, VA

Expert-level ability to write complex queries (SQL-based or proprietary like NRQL/SPL) to aggregate API success rates, latency, and crash-free session data. The role is primarily centered around improving the observability for our clients, with a significant portion of the work dedicated to monitoring and developing dashboards to address business needs.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

We expect our engineers to have versatile skills and the motivation to work on all aspects of a project, including concept development, algorithm design, software implementation, and testing. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Leidos

$87100 - $157450

Gaithersburg, MD

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. February 18, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Jobot

$90000 - $160000

Fairfax, VA

Must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

GCR Professional Services

$40 - $50

Chantilly, VA

Project Management: Plan and manage electrical engineering projects, including creating project timelines, allocating resources, and coordinating with cross-functional teams. Collaboration: Collaborate with other engineers, technicians, and professionals to integrate electrical systems into larger projects or products.

PlanIT Group

Washington, DC

Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

Whitman, Requardt & Associates, LLP

Washington, DC

Demonstrated leadership in leading large-scale projects as well as project development ranging from planning, alternatives analysis, environmental process, permitting, final design, construction, safety certification and commissioning facilities. We are looking for a detail-oriented person to review client operations and recommend vehicle maintenance equipment and equipment layouts to maximize operational processes for bus and rail operations.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

As a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.

In-Q-Tel

McLean, VA

These can include cloud infrastructure, AI/ML applications, geospatial analytic tools, data analytics platforms, large-scale data systems, multilingual translation tools, additive manufacturing tools, autonomous platforms, supply chain solutions, cybersecurity solutions, cryptocurrency, computer vision, SaaS products, wireless communications, RF systems, microelectronics, materials science, space systems, and biotechnology. As well as encompassing defense-focused startups and harnessing existing and over-the-horizon commercial technologies to sustain military and intelligence overmatch against adversaries, Global Security Investing emphasizes the importance of international reach and collaboration in a world where innovative venture-backed startups can now be found everywhere.

Johns Hopkins Applied Physics Laboratory (APL)

$85000 - $195000

Laurel, MD

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Jobot

$140000 - $180000

McLean, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You’ll design and build our machine learning infrastructure - starting with vector search and retrieval-augmented generation and expanding into fine-tuned LLMs with human feedback loops.

Johns Hopkins Applied Physics Laboratory (APL)

$105000 - $290000

Laurel, MD

Evolving air and missile defense planning tools and capabilities, Developing and implementing robust software solutions to complex planning challenges, Responding to feedback from the warfighter and the analyst community, Assessing new AI and Machine Learning tools and capabilities and their applicability to military planning, and. In A5C, we develop and deliver highly capable mission planning capabilities into the hands of the warfighter so they can design defenses that enhance performance across multiple simultaneous air and missile defense missions, multiple services, and multiple command echelon planning levels.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

Johns Hopkins Applied Physics Laboratory (APL)

$105000 - $290000

Laurel, MD

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Participate on Integrated Product Teams to support all levels of new rocket motor development and new weapon deployment, as well as sustaining activities for fielded systems.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Can demonstrate proficiency in using modeling tools and software, such as Cameo Systems Modeler, Sparx Enterprise Architect, Capella, Visual Paradigm, or IBM Engineering Systems Rational Rhapsody. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.