Water/Wastewater Engineer Whitman, Requardt & Associates, LLPWater/Wastewater EngineerBaltimore, MD$90,000–$185,000 / yearFull timeWe are currently seeking a Water/Wastewater Infrastructure Engineer with progressive experience in water and wastewater system planning, design, and construction, including water transmission systems, force mains, and the evaluation, design and rehabilitation of sanitary sewer systems. 5 -10 years of progressive experience in water and wastewater system planning, design, and construction, including water transmission systems, force mains, and the evaluation, design and rehabilitation of sanitary sewer systems.
Water Resources Engineer - Entry Level Whitman, Requardt & Associates, LLPWater Resources Engineer - Entry LevelBaltimore, MD$70,000–$125,000 / yearFull timeThis position offers the opportunity to work on a wide range of water resources projects, including stormwater management, hydrologic and hydraulic modeling, floodplain studies, green infrastructure design, and water quality improvements. A copy of current, or most recent, school transcript (If you are applying via a 3rd party site that does not allow attachments, please email transcript to careers@wrallp.com.
Chief Engineer - Aerospace Gables Search GroupChief Engineer - AerospaceArlington, VA$170,000–$210,000As the senior engineering leader, you will establish the technical vision, lead multidisciplinary engineering teams, and oversee every phase of the product lifecycle—from system architecture and detailed design through integration, verification, testing, and production. This confidential opportunity offers the chance to provide executive-level technical leadership while guiding the design, integration, testing, and delivery of highly engineered aerospace products supporting commercial and government customers.
NewSr. Performance Test Engineer CYNET SYSTEMSSr. Performance Test EngineerReston, VA$69–$74 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
System/DevSecOps Engineer NuAxis InnovationsSystem/DevSecOps EngineerWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
Floodplain and Dam Engineer - Technical Lead System OneFloodplain and Dam Engineer - Technical LeadChantilly, VAThe Floodplain and Dam Engineer - Technical Lead involves work on floodplain modeling, floodplain permitting, floodplain crossing design, dam modeling, and dam permitting. Floodplain work includes both local and FEMA-regulated areas, while dam-related efforts focus on state-regulated dams in Virginia and Maryland.
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.
Sr Electrical Engineer (Secret Clearance) System OneSr Electrical Engineer (Secret Clearance)Chantilly, VA$110,000–$170,000 / year10+ years of experience in design and specification of: lighting systems, power systems, fire alarm systems, telecom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Project Engineer Keller North America, Inc.Project EngineerOdenton, MDFinancial Management • Analyzes targets and goals, job cost summaries, and other reports.• Creates and obtains approval of the initial budget and subsequent updates/changes.• Reviews weekly job cost summaries and advises the Project Manager.• Collaborates with pre-construction and the project team to manage the job transition process, communicate project requirements, and develop the initial procurement plans and budgets.• Background Requirements (Knowledge, Skills, Experience) • Bachelor’s degree in Civil Engineering or Construction Management with a minimum of 2 years industry experience or 4 years of industry-related experience.• Excellent computer, written and verbal communication skills necessary.•
Water/Wastewater Engineer - Mid Level Whitman, Requardt & Associates, LLPWater/Wastewater Engineer - Mid LevelFairfax, VA$140,000–$215,000 / yearFull timeResponsibilities will include water and sewer pipeline design, modeling and rehabilitation, water and wastewater facility evaluation and design, utility relocation services and construction administration. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Water/Wastewater Engineer - Entry Level Whitman, Requardt & Associates, LLPWater/Wastewater Engineer - Entry LevelFairfax, VA$72,000–$97,000 / yearFull timeA copy of current, or most recent, school transcript (If you are applying via a 3rd party site that does not allow attachments, please email transcript to careers@wrallp.com. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Federal Telecommunications Engineer (RCDD) Levi HunterFederal Telecommunications Engineer (RCDD)Arlington, VACOMPANY’s Special Projects group supports U.S. Government agencies with A/E, defense, design/build, classified, and environmental programs. Develop conceptual and detailed ICT/telecom designs including drawings, specifications, and analyses.
NewBuilding Systems Engineer HITT ContractingBuilding Systems EngineerFalls Church, VA$37.02–$53.85 / hourAs 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.
Software Engineer with TS-SCI with Poly System OneSoftware Engineer with TS-SCI with PolyFort Meade, MD$97,000–$224,000 / yearBachelor’s degree in Computer Science or related discipline from an accredited college or university OR four (4) years of additional SWE experience on projects with similar software processes in lieu of degree. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Active Directory Engineer System OneActive Directory EngineerSpringfield, VA$130,000 / yearSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Manage Active Directory, DNS, SCOM\SCCM, group policy, and PowerShell scripting to ensure system integrity and security.
NewConstruction Project Engineer - Industrial Projects System OneConstruction Project Engineer - Industrial ProjectsArlington, VA$75,000–$110,000 / yearAs a Construction Project Engineer , you will work onsite with the Project Team to plan, develop, coordinate, and manage onsite construction engineering activities for Industrial projects – primarily Water/Wastewater Treatment plant construction but also factories/production facilities, data centers , focused mostly in Northern Virginia, District of Columbia (DC), and Baltimore area. Develop, implement, and administer project engineering procedures and other work controlling documents (submittals, RFI’s, expediting material deliveries, payment of Subcontractors/Vendors, and Owner pay requests).
Land Development Engineer/ Project Manager System OneLand Development Engineer/ Project ManagerChantilly, VAYou’ll work alongside a diverse team of engineers, planners, landscape architects, and designers to bring complex projects to life—ranging from mixed-use developments and data centers to federal facilities and community infrastructure. As a Land Development Engineer or Project Manager, you will play a key role in delivering impactful site and infrastructure projects that shape communities across both public and private sectors.
Information Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
Senior Intune Engineer- Active Secret Clearance Required VETS, IncSenior Intune Engineer- Active Secret Clearance RequiredWashington, DCHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. This senior-level Windows engineering position provides IT support in integrating and operating Microsoft Configuration Manager (MCM) and Intune for managing and maintaining department endpoints.
Senior Firmware Engineer MicrosoftSenior Firmware EngineerWashington, DC$119,800–$234,700 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 1+ year(s) technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 4+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
Senior Software Engineer - CTJ - Poly MicrosoftSenior Software Engineer - CTJ - PolyReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
NewStorage Engineer - IPv6 Support System OneStorage Engineer - IPv6 SupportWashington, DC$41.69 / hourThe engineer will be responsible for maintaining storage performance, configuring SAN/NAS solutions, troubleshooting IPv6-related issues, and supporting backup and disaster recovery operations. This is a storage infrastructure role focused on managing and supporting enterprise storage environments while ensuring compatibility and connectivity across both IPv4 and IPv6 networks .
NewAI Engineer System OneAI EngineerWashington, DCRemote$52.85 / hourExperience in areas of machine learning / AI such as classification, clustering, anomaly detection, sentiment analysis, and NLP problems like text categorization, topic modeling, entity extraction, and text summarization. Experience building agentic AI systems or strong working knowledge of agent architectures and frameworks such as LangGraph, CrewAI, Strands, or AutoGen.
Lead AWS Cloud Platform Engineer - Platform Engineering / Guardrails / IaC System OneLead AWS Cloud Platform Engineer - Platform Engineering / Guardrails / IaCReston, VA$109.05 / hourWe’re seeking an experienced AWS Cloud Platform Engineer to lead hands-on delivery across our AWS footprint—especially around platform engineering, security guardrails, automation, reliability, and cloud-native modernization . In this role, you’ll partner with cloud engineers and technology teams to design and operate scalable, secure, production-grade AWS platforms.
NewStaff Software Engineer (React, TypeScript, Rails, Node) OneMain FinancialStaff Software Engineer (React, TypeScript, Rails, Node)Baltimore, MD$110,000–$132,000 / yearIn 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.
NewSenior Software (AI) Test Engineer PlanIT GroupSenior Software (AI) Test EngineerReston, VADescription: The assigned resource will be responsible for developing the AI program focused on automating requirements and test case preparation, utilizing Visual Studio Code, Python, Copilot AI, and other tools provided by the postal service. • Design and develop test automation scripts using Selenium with Python, leveraging available AI models and LLMs to accelerate script creation, maintenance, and self healing.
NewSenior Backend Software Engineer TurnitinSenior Backend Software EngineerWashington, DC$112,125–$186,875 / yearActual compensation will be provided in writing at the time of offer, if extended, and is determined by work location and a range of other relevant factors, including but not limited to: experience, skills, degrees, licensures, certifications, and other job-related factors. The Senior Software Engineer - Backend Services will be responsible for designing, implementing, and maintaining scalable, high-performance backend systems using AWS Lambda and related technologies.
NewAudio AI Engineer Dev Technology GroupAudio AI EngineerWashington, DC$80,000–$160,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Documentation & communication: Produce clear model cards, dataset documentation, and evaluation write-ups that let technical and non-technical stakeholders understand what the model does, how it compares to alternatives, and what its risks and limitations are.
Software Engineer (C# .NET Framework/SQL Server) SarnovaSoftware Engineer (C# .NET Framework/SQL Server)Washington DC, DCThe position is well suited for an engineer who enjoys working with complex systems, troubleshooting production issues, and contributing to the continued evolution and sustainability of the platform. This role focuses on supporting, enhancing, and progressively modernizing enterprise and legacy applications using C#, NET Framework, and SQL Server.
NewStationary Engineer I-Fort Detrick Constellation EnergyStationary Engineer I-Fort DetrickClarksburg, MD$38.46–$48.95Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all.
Project Engineer BERING STRAITS GLOBAL INNOVATIONS LLCProject EngineerHanover, MDBering Straits Global Innovations, LLC (BSGI) was developed to provide general construction services to a variety of commercial and government agencies and to take advantage of Bering Straits Native Corporation and its companies’ previous experience in commercial and institutional building construction, alarm system monitoring service, plumbing, heating and air conditioning, and other related services. Our work spans secure government facilities, occupied renovations, critical infrastructure improvements, and specialized construction projects for Department of Defense, National Security Agency, USACE and other federal agencies throughout the Greater Baltimore to DC-Metro regions.
Senior Software Engineer - CTJ - TS/SCI MicrosoftSenior Software Engineer - CTJ - TS/SCIReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 3+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR Bachelors Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 5+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR equivalent experience. · Bachelors Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 2+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR equivalent experience.
Sr. Software Engineer -CTJ- Poly MicrosoftSr. Software Engineer -CTJ- PolyReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. You will work on distributed systems that enable Power Platform services to function in isolated, air‑gapped environments, partnering with Public Cloud teams to bring features to parity while ensuring those features meet the constraints of sovereign deployments.
Senior Software Engineer II - AI Tooling and Interfaces DoubleVerifySenior Software Engineer II - AI Tooling and InterfacesWashington DC, DC$107,000–$193,000 / yearSoftware Engineer II in AI Tooling and Interfaces, youll design and build systems purpose-built for AI agents, automations, and decisioning engines that drive real outcomes for our clients and internal teams. If you enjoy turning high-volume data into clean, powerful systems—and you want your work to drive real business outcomes rather than just dashboards—this role puts you right at the center of the action.
Software Integration Engineer System OneSoftware Integration EngineerAnnapolis Junction, MD$150,000 / yearWe’re hiring Software Integration Engineers to join a mission-focused Site Reliability Engineering (SRE) team supporting critical operations infrastructure. Strong Linux administration, troubleshooting, and operational support experience (any of the following): RHEL, CentOS, Rocky Linux, SLES, Ubuntu.
Senior SQL Database Platform Engineer System OneSenior SQL Database Platform EngineerWashington, DCProvide a senior engineer to deliver database server administration for the Board's on-premises SQL Server and PostgreSQL environments as automated, FISMA-compliant code — supporting the PostgreSQL ATO, cloud-readiness, and platform modernization. • Design and implement CI/CD pipelines in GitLab for database server and instance builds, version upgrades, patching, cumulative updates, and configuration changes across SQL Server and PostgreSQL server enterprise service offerings.
Accessibility Engineer System OneAccessibility EngineerVienna, VASystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Support Marketing Technology Services Delivery teams across products including marketing website (NFO), intranet (eNet), and design system (Cmd+R).
Sr Cyber Security Engineer System OneSr Cyber Security EngineerWashington, DC$79.55 / hourRequirements Bachelor’s Degree in Computer Science, Information Technology, or a related field or equivalent work experience (additional 4 years for non-degree holders). Customize SailPoint IIQ product features as needed, including developing custom workflows and workflows management.
Senior Telecom Software Engineer (TS/SCI clearance) System OneSenior Telecom Software Engineer (TS/SCI clearance)Herndon, VASupport Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
NewSenior Vulnerability Management Engineer System OneSenior Vulnerability Management EngineerBethesda, MD$140,000–$150,000 / yearThe Senior Vulnerability Management Engineer leads enterprise vulnerability management activities across NIH/OD-managed environments, providing technical leadership for vulnerability identification, risk prioritization, remediation coordination, reporting, and compliance. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior System Engineer (Email Security) System OneSenior System Engineer (Email Security)Washington, DCResponsibilities : • Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Sr. Mechanical Engineer Gables Search GroupSr. Mechanical EngineerBaltimore, MDLong-Term Stability: Join a firm that’s weathered every economic storm in business for 50+ years with 80% work comping from repeat customers and having zero layoffs in 15+ years. 4–10+ years of experience in mechanical building systems or plant utility systems with some times spent in an engineering services company.
Senior Data Engineer - Agentic AI Engineering BoomiSenior Data Engineer - Agentic AI EngineeringWashington DC, DCThis role focuses on building and operating scalable, high-quality data infrastructure that powers agentic AI systems, including LLM-based agents, multi-agent workflows, and tool-using AI systems. • Architect and build scalable, secure, and observable data infrastructure to power LLM-based agents, multi-agent systems, and tool-using AI workflows.
NewDistinguished Software Engineer Discover Financial ServicesDistinguished Software EngineerMcLean, VA$269,100–$307,200 / yearAs a Distinguished Engineer in Solutions Engineering, you will be the technical cornerstone of Bank Techs internal professional services organization — a team that deploys cross-domain expertise to accelerate Bank Techs most critical initiatives. You will move between high-priority initiatives in a SWAT-style model, rapidly orienting to new problem spaces and delivering technical direction that unblocks teams and de-risks delivery.
NewSenior Distinguished Engineer Discover Financial ServicesSenior Distinguished EngineerMcLean, VA$286,200–$326,700 / yearThe ideal candidate will excel at both surveying broad business domains, crafting a technical strategy to support the many possible futures of the business, and diving deep into the details and personally delivering the highest-leverage projects from that roadmap. You will operate as a trusted advisor for our key technologies, platforms and capability domains, creating clear and concise communications, code samples, blog posts and other material to share knowledge both inside and outside the organization.
NewCompliance Engineer PwrQ Holdings LLCCompliance EngineerHanover, MDWe are seeking a Compliance Engineer which supports pre-sales, estimating, engineering, manufacturing and field services by providing commercial and technical product regulatory expertise related to low and medium voltage power distribution equipment, E-houses and control systems. Experience in engineering roles within manufacturing, industrial, or related technical industries – specifically power distribution equipment (UL 508A, UL 891, UL 1558).
System Integration Engineer - Remote Teoresi GroupSystem Integration Engineer - RemoteWashington DC, DCRemoteAt Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field. Teoresi Inc is an international Group, with offices in Europe and United States, that acts as an engineering partner to customers’ product and process development.
Senior Software Engineer, Autonomy Behaviors Shield AISenior Software Engineer, Autonomy BehaviorsWashington, DCThe team is responsible for developing autonomous behaviors within Shield AI’s industry-leading mission autonomy software stack and deploying them across a breadth of platforms, including the Anduril Fury, Northrup Grumman Talon, Shield AI V-Bat, and other first and third-party autonomous vehicles. The Autonomy Capabilities team at Shield AI has assembled a diverse team of experts in software, robotics, control systems, optimization, and data analysis to create software solutions that greatly evolve the capabilities of our customers.
NewDirector, Software Engineer Finance Tech - (Remote Eligible) Discover Financial ServicesDirector, Software Engineer Finance Tech - (Remote Eligible)McLean, VARemote$244,700–$279,200 / yearYou’ll bring solid experience in emerging and traditional data technologies, cloud platforms, and analytical disciplines such as: Python, SQL, Spark, Scala, Snowflake, Databricks, AWS/Cloud Infrastructure, Apache Airflow, MLOps,, machine learning frameworks, and large-scale enterprise data systems, to name a few. As a Capital One Director of Software Engineering, youll work on everything from forward-looking forecasting frameworks and strategic planning tools to high-throughput data engineering pipelines, back-end systems, and machine learning models using the latest techniques in Big Data.
Civil/Project Engineer Gables Search GroupCivil/Project EngineerWashington, DCThis role supports the planning, coordination, and execution of underground utility projects — including water, sewer, storm drain, gas, and dry utility installations — from pre-construction through project closeout. Working knowledge of underground utility systems (water, sanitary/storm sewer, gas, or dry utilities) preferred.