UNKNOWN

FEED

The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Proficient with Microsoft Office suite including Word, Excel, Outlook, OneDrive, FTP share sites, and engineering software related to system designs and load calculations.

Legence Corp

Mechanical Engineer

Satellite Software Engineer, Aerospace Software Engineer, Spacecraft Software Engineer, Space Systems Engineer, Embedded Systems Engineer, Space Systems Developer, Space Software Developer, Flight Software Engineer, Space Mission Software Engineer, Spacecraft Integration Engineer, etc. Aerospace Engineering, Computer Science, Software Engineering, Systems Engineering, Electrical Engineering, Mechanical Engineering, Robotics, Physics, Telecommunications Engineering, Applied Mathematics, etc.

Cymertek

Space Systems Software Engineer

ea_via_bold

The ideal candidate brings hands-on cyber engineering experience with cyber analytics and reverse engineering tactics on Kubernetes infrastructure, who thrives in fast-paced, complex environments, and has a proven track record of technical advancements in cyber engineering, cybersecurity engineering, analysis, and modern software deliverables. Job Title: Senior Cybersecurity Software EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity :

YEAR

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Senior Cybersecurity Software Engineer

Provision and manage Azure resources including Azure Virtual Networks, subnets, NSGs, storage accounts, Azure Key Vault, Azure SQL, Azure Kubernetes Service (AKS), Azure Monitor, and Azure Compute services . The Cloud Engineer will work closely with data engineers, software engineers, architects, cybersecurity professionals, and government stakeholders to provision and operate Azure resources that support data pipelines, analytics platforms, applications, and AI/ML workloads.

Analytica

Cloud Engineer

Experience using AI-enabled tools, copilots, or lightweight agents to improve technical support, troubleshooting, log analysis, ticket triage, knowledge-base development, documentation, test-case generation, scripting, release support, or engineering workflow automation. Relevant military technical training, DoD operational messaging experience, industry certifications, or equivalent technical training may be considered when combined with demonstrated hands-on experience supporting, administering, troubleshooting, integrating, or sustaining mission software systems.

The AES Group

Mission Systems Engineer

Ceipal

Experience with AWS services such as IAM, VPC, EC2, S3, RDS/Aurora, Lambda, ECS/Fargate, EKS, CloudWatch, CloudTrail, Config, Systems Manager, Secrets Manager, KMS, GuardDuty, Inspector, Security Hub, CodePipeline, CodeBuild, CodeDeploy, ECR, or comparable services. Experience using generative AI and AI-assisted development tools to accelerate the software development lifecycle, including requirements analysis, solution design, code generation and modernization, automated testing, documentation, code review, troubleshooting, and release readiness, while applying appropriate security, privacy, governance, and human-review controls.

Guidehouse

Platform Engineer/DevSecOps

Platform Engineer / DevSecOps Engineer

The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Perform electrical load calculations, voltage drop calculations, lighting calculations, short circuit calculations, and other engineering analyses under the direction of a licensed electrical engineer.

Electrical Engineer

Guest Satisfaction & North Star Alignment: Collaborate closely with the Cleanliness and property leadership teams to implement strategies that ensure that “no guest checks into a dirty room with broken stuff”—a guiding principle at TLTsolutions and Canza Management. Technical Expertise: 5+ years of experience in building maintenance or trade-specific fields (electrical, plumbing, HVAC, carpentry) with relevant certifications (Certified Pool Operator, Fire and Safety, HVACR, OSHA, EPA, Certified Energy Manager).

Hampton Inn Waldorf

Chief Engineer

Responsibilities include designing, developing, testing, maintaining, migrating, securing, monitoring, and optimizing database solutions using Oracle SQL and PL/SQL, PostgreSQL and PL/pgSQL, Amazon RDS for Oracle, Amazon RDS for PostgreSQL, Amazon Redshift, Amazon S3, AWS Database Migration Service (AWS DMS), AWS Schema Conversion Tool (AWS SCT), Amazon CloudWatch, AWS Secrets Manager, AWS Key Management Service (AWS KMS), and related AWS capabilities. Required: Hands-on experience designing, configuring, administering, monitoring, securing, and troubleshooting AWS database solutions using Amazon RDS for Oracle, Amazon RDS for PostgreSQL, Amazon Redshift, Amazon S3, AWS Database Migration Service (AWS DMS), AWS Schema Conversion Tool (AWS SCT), Amazon CloudWatch, AWS Secrets Manager, AWS Key Management Service (AWS KMS), IAM, and related AWS database components.

AWS Database Engineer

The Engineer will be responsible for supporting and assisting with the engineering development and design of mechanical, plumbing, and fire protection construction documents associated with new buildings and renovations for consulting design projects, design-build projects, and performance contract projects. Associated responsibilities include but are not limited to engineering design and drafting activities, specification writing support, cost estimating, limited field investigations and construction site visits, support of HVAC load calculations and modeling, hydraulic calculations, and coordination with others.

Nenni and Associates

Duties and Responsibilities: • The Stationary Engineer Apprentice will assist with:• â Monitoring and operating building mechanical systems and equipment.• â Assisting with the operation and maintenance of boilers, chillers, HVAC systems, air-handling units, pumps, compressors, and generators.• â Performing routine inspections and documenting equipment conditions.• â Assisting with preventative maintenance and scheduled maintenance activities.• â Responding to building maintenance requests and assisting with troubleshooting equipment issues.• â Checking gauges, meters, controls, and other equipment indicators and reporting abnormal readings or conditions.• â Assisting with maintaining proper building temperatures and environmental conditions.• â Performing basic mechanical, plumbing, electrical, and general maintenance tasks under supervision.• â Maintaining maintenance logs, inspection records, and work orders as required.• â Keeping mechanical rooms, equipment areas, and workspaces clean and organized.• â Following all applicable safety procedures and using tools and equipment appropriately.• â Immediately reporting equipment malfunctions, unsafe conditions, or other concerns to the supervisor.• â Assisting experienced engineers with repairs, adjustments, and other assigned engineering tasks.• â Performing other related duties as assigned. Training Opportunity: • The apprentice will receive on-the-job training and work alongside experienced engineering personnel to develop knowledge and skills related to building systems, preventative maintenance, equipment operation, troubleshooting, and general facilities operations.•

HOUR

Melwood

Stationary Engineer Apprentice

BWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid ("Agreement"). A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration.

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. Headquartered in Lynchburg, Virginia, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With approximately 6,700 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and nuclear operations management at more than a dozen U.S. Department of Energy and NASA facilities. BWXT’s technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. Follow us on Twitter at @BWXT and learn more at <a href="http://www.bwxt.com">www.bwxt.com</a>.

BWX Technologies Inc

AI Integration Data Scientist / Engineer

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). What You'll Do: The Environmental Project Manager I manages environmental consulting projects of low to moderate complexity through all phases of execution, including planning, staffing, technical delivery, client communication, and financial management.

ECS Ltd

Industrial Hygiene Project Manager

[AW]-iCims

Diagnosis, Repair, and Maintenance: In this position, the Property Engineer will use their knowledge of building construction, construction materials, structural systems, HVAC, plumbing systems, electrical systems, building envelope, roofing, interior walls, ceilings, and flooring to diagnosis problems, make repairs, and/or refer issues to the appropriate contractor or property manager, as directed. While Federal Realty is one of the largest publicly traded real estate investment trusts in the country (as measured by the value of our assets), we function and operate as a small company.

Federal Realty Investment Trust

Property Engineer

As a Senior Virtualization Engineer, you will be responsible for providing support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR. With missions that include the Pentagon, Joint Base Andrews, Joint Base Anacostia-Bolling, and other locations, leased spaces, and alternate sites, you'll be working in a fast-paced, challenging, and rewarding environment where AFNCR operations must never fail.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Senior Virtualization Engineer

This is an opportunity to apply deep network engineering expertise to complex, mission-critical environments-from designing and optimizing secure networks to deploying communications capabilities, troubleshooting complex problems, integrating emerging technologies, and guiding other network engineers. Demonstrated experience designing, configuring, implementing, troubleshooting, and optimizing complex network and telecommunications environments, including routing protocols, BGP, policy-based routing, tunneling, IPsec, NAT, WAN technologies, traffic management, and network performance analysis.

Senior Network Engineer

Backed by Iconiq Capital, Bessemer Venture Partners, Foundry Capital, and Tiger Global, we''re helping Fortune 500 companies and government agencies discover that true data security means having the freedom to share, collaborate, and innovate - without compromise. Team & Position Details: As a Senior Full Stack Engineer, you will be an integral part of our engineering team that builds and maintains Virtru''s suite of digital privacy products - tools that more than 6,000 organizations rely on to protect and control sensitive data wherever it lives, moves, or is shared.

Virtru Corp

Senior Full Stack Engineer

A master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. Integrate chemical engineering principles into HTGR plant design, covering helium Brayton and Rankine cycles, heat exchanger networks, hydrogen production, tritium control, and off-gas systems.

X Energy LLC

Chemical Engineer

FULL_TIME

OTHER

Collaborate Directly with Researchers: Partner with cross-functional engineering teams to disambiguate requirements, troubleshoot complex system interactions, and rapidly deliver tailored lab compute environments. In this role, you won't just keep lights green; you will design, automate, and evolve high-density virtualization platforms, isolated test environments, and containerized research pipelines on modern enterprise hardware.

Dell Technologies Inc (Dell) is a provider of desktop personal computers, software, and peripherals. The company designs, develops, manufactures, markets, sells, and supports information technology infrastructure such as laptops, desktops, mobiles, workstations, storage devices, software, cloud solutions, and notebooks. It markets products under Dell, Dell Technologies and Alienware, brand names. The company also offers deployment, residency services, training, support, managed, cloud, and education services. Dell serves corporate businesses, government, educational institutions, law enforcement agencies, healthcare organizations, and small and medium-sized businesses. The company has business presence across the Americas, Asia-Pacific, the Middle East, Africa, and Europe. Dell is headquartered in Round Rock, Texas, the US.

Environmental Engineer Jobs in Fairfax, VA

Mechanical Engineer Legence Corp

Space Systems Software Engineer Cymertek

Senior Cybersecurity Software Engineer CACI

Cloud Engineer Analytica

Mission Systems Engineer The AES Group

Platform Engineer/DevSecOps Guidehouse

Platform Engineer / DevSecOps Engineer Guidehouse

Electrical Engineer Legence Corp

Chief Engineer Hampton Inn Waldorf

AWS Database Engineer Guidehouse

Mechanical Engineer Nenni and Associates

Stationary Engineer Apprentice Melwood

AI Integration Data Scientist / Engineer BWX Technologies Inc

Industrial Hygiene Project Manager ECS Ltd

Property Engineer Federal Realty Investment Trust

Senior Virtualization Engineer Leidos Holdings Inc

Senior Network Engineer Leidos Holdings Inc

Senior Full Stack Engineer Virtru Corp

Chemical Engineer X Energy LLC

Systems Engineer - Research Infrastructure & Lab Platforms - Federal Customer Dell, Inc.

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