Mission Engineering Research and Operations Support Engineer The Aerospace CorpMission Engineering Research and Operations Support EngineerChantilly, VAProvide guidance and leadership to a team supporting spacecraft operations, sensor network monitoring, and mission simulation activities with minimal supervision • Support and guide the design, implementation, and maintenance of scheduling tools, operational databases, and satellite tracking campaign execution • Independently evaluate, select, and apply engineering techniques and procedures using professional judgment • Lead integration of multi-sensor data and contribute to technical reports, research documentation, and customer briefings • Prepare comprehensive technical documentation including SOPs, CONOPS, user manuals, and operational readiness assessments • Coordinate with cross-functional teams including operations staff, research scientists, and engineers • Manage project components including planning, milestone tracking, and progress reporting to stakeholders • Interface regularly with customers on matters of technical importance. • Bachelors degree in Aerospace Engineering, Astrodynamics, Mechanical Engineering, Systems Engineering, or related technical field • 3+ years of experience in aerospace engineering or operations experience • Working knowledge of MATLAB, SQL, and Linux command-line environments • Experience with aerospace engineering tools (STK, GMAT, or similar mission analysis software) • Demonstrated experience processing sensor data, telemetry, and large-scale aerospace datasets • Proficiency with version control (Git/GitHub) and database querying • Willing to travel approx.
Industrial Hygiene Project Manager ECS LtdIndustrial Hygiene Project ManagerChantilly, Virginia$60,000–$90,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). 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.
Regional Geotechnical Principal ECS LtdRegional Geotechnical PrincipalFrederick, Maryland$125,000–$175,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). What You'll Do: The Geotechnical Principal serves as the highest level of technical leadership within the geotechnical practice, responsible for ensuring overall quality, performance, and strategic direction of projects and services.
Geotechnical Project Manager – Special Project Group ECS LtdGeotechnical Project Manager – Special Project GroupChantilly, Virginia$70,000–$90,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). Manage construction materials testing (CMT) projects with daily report review, assist with resolution of issues, and training of field staff on your projects.
Structural Senior Project Associate ECS LtdStructural Senior Project AssociateHanover, Maryland$105,000–$150,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). You will work closely with clients and multidisciplinary project teams to evaluate existing structures, investigate performance concerns, support rehabilitation and restoration projects, and deliver practical consulting solutions across a variety of facility types.
Building Enclosure Associate Principal ECS LtdBuilding Enclosure Associate PrincipalHanover, Maryland$105,000–$150,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). You will work closely with clients and multidisciplinary project teams to evaluate building envelope performance, support construction quality, and deliver practical consulting solutions across a variety of facility types.
Floodplain and Dam Engineer System OneFloodplain and Dam EngineerChantilly, VAThe Floodplain and Dam Engineer position involves work across floodplain modeling, permitting, floodplain crossing design, dam modeling, and dam permitting. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewProject Manager - Water/Wastewater Plant Construction System OneProject Manager - Water/Wastewater Plant ConstructionArlington, VALead and direct field construction operations for large-scale industrial developments, with primary emphasis on Industrial Water and Wastewater Treatment facilities, while also managing projects across manufacturing plants, production centers, and data center installations. Drive successful project delivery by coordinating all on-site engineering functions and ensuring seamless execution from inception to completion.
NewConstruction Project Manager - Industrial Projects System OneConstruction Project Manager - Industrial ProjectsArlington, VA$110,000–$160,000 / yearThis role is primarily focused on Water and Wastewater treatment facilities , with additional project exposure including manufacturing plants, production facilities, and data centers across a variety of industries. The Project Manager is responsible for the overall planning, execution, financial performance, and successful completion of one large project or multiple smaller projects simultaneously.
Water Resources - Senior Project Manager System OneWater Resources - Senior Project ManagerChantilly, VAOverview: We are seeking a Senior Project Manager to lead and grow a Water Resources practice, overseeing a diverse portfolio of projects across public and private sectors. This role combines technical expertise, team leadership, and client management to deliver high-quality water resources solutions.
NewConstruction Superintendent - Industrial Projects System OneConstruction Superintendent - Industrial ProjectsArlington, VA$100,000–$150,000 / yearAs the Construction Superintendent, you will oversee skilled trades crews and manage onsite construction activities for a variety of large industrial projects, primarily in the Mid-Atlantic Region. Education and Experience: Bachelor’s Degree in Civil Engineering, Construction Management, or equivalent technical experience progressing from Journeyman to Foreman to Superintendent.
Senior Software Engineer, Autonomous Pilot Integration Shield AISenior Software Engineer, Autonomous Pilot IntegrationWashington, DCCollaboration Across Teams — Work closely with the Autonomy Capabilities team (motion planning, tactics), the Perception team, feature crews, and external partners (platform integrators, vehicle/autopilot control vendors, C2 providers) to deliver and validate mission-critical functionality on time. • Hardware/Software Debugging — Diagnose and resolve integration issues across complex autonomy stacks, payload computers, and embedded systems in lab and field environments — including memory, CPU, and timing profiling under operationally-representative loads.
Geotechnical Project Manager ECS LtdGeotechnical Project ManagerChantilly, Virginia$75–$90 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). Manage construction materials testing (CMT) projects with daily report review, assist with resolution of issues, and training of field staff on your projects.
Structural Associate Principal ECS LtdStructural Associate PrincipalHanover, Maryland$105,000–$150,000 / yearECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). You will collaborate with clients and multidisciplinary project teams to evaluate structural performance, support construction and repair efforts, and deliver practical, high-quality engineering solutions across a variety of facility types.
Civil Engineer in Training (EIT) | 2-4 Years Wiley|WilsonCivil Engineer in Training (EIT) | 2-4 YearsAlexandria, VADesign, designer, EIT, engineering, engineer, junior, entry-level, hybrid, storm water, site design, wiley wilson, work-from-home, Lynchburg, Roanoke, Alexandria, Washington DC, Raleigh, Durham, Chapel Hill, North Carolina, Virginia. We're looking for an independent self-starter who can navigate efficiently through various design stages, from concept plans to construction documents, and who brings strong interpersonal skills to collaborate effectively with peers and clients.
Civil Engineer | 4-6 Years Wiley|WilsonCivil Engineer | 4-6 YearsAlexandria, VAcivil engineering, site development, land development, stormwater management, infrastructure design, employee-owned firm, Lynchburg, Roanoke, Alexandria, Washington DC, Richmond, Raleigh, Durham, Chapel Hill, North Carolina, Virginia. Your responsibilities will include prepare engineering and stormwater management calculations, reports, and drawings, leading field investigations, and supporting construction administration activities such as reviewing shop drawings and providing responses to RFIs.
Senior Civil Engineer -- Energy & Industrial Group Sargent & LundySenior Civil Engineer -- Energy & Industrial GroupDistrict of Columbia, Washington, DC$84,762–$129,498 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Five or more years of working in a project team environment in the design of industrial projects, power plant experience preferred, with specific experience in site grading and mass earthwork, storm water management, sanitary sewage systems, process wastewater systems, and road and railroad track design.
Senior Civil Engineer Energy & Industrial Group Sargent & Lundy LLCSenior Civil Engineer Energy & Industrial GroupWashington, DC$84,762–$129,498 / yearFive or more years of working in a project team environment in the design of industrial projects, power plant experience preferred, with specific experience in site grading and mass earthwork, storm water management, sanitary sewage systems, process wastewater systems, and road and railroad track design. In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Project Civil Engineer LanganProject Civil EngineerArlington, VAfrom concept through completion; Demonstrated ability effectively managing projects from concept through construction documents; Self-starter with the ability to manage, motivate, mentor and lead others; Ability to work well on multi-disciplinary projects; Expertise in stormwater management design, hydrologic/hydraulic analysis and design, and SWPPP preparation; Experienced in technical and proposal writing; Excellent verbal and written communication skills; Proficiency of AutoCAD or Civil 3D; Ability to effectively interact with coworkers, clients, and regulatory agencies; Strong attention to detail with excellent analytical and judgment capabilities; Ability to effectively work independently and in a team environment; and. Bachelor's degree in Civil Engineering; Valid Professional Engineer license; 6+ years of related site/civil land development experience; Knowledge of local city, county and state land use processes and regulations; Strong client development, client communication, client management abilities, and ability to develop new work; Site/civil experience on a variety of project sites including the ability to design site layout, grading, drainage, infrastructure, erosion and sediment control, etc.
Senior Civil Engineer LanganSenior Civil EngineerArlington, VAAssist with the preparation and modification of various engineering documents including reports, specifications, plans, construction schedules, cost estimates and design plans for projects using engineering and design software (AutoCAD, Civil 3D, etc.) and equipment; Use reports, maps, drawings, engineering plans, tests, and aerial photographs to assess soil composition, terrain, hydrological characteristics, and topographical and geologic data and their impact on the planning and design of projects; Familiarity with current local, state, and federal land use permitting is a plus; Collaborate with team members on project tasks and assignments; and. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.