Software Quality Assurance Engineer CatalistSoftware Quality Assurance EngineerWashington, District of ColumbiaIn this role, you’ll work closely with developers, product managers, and users to define testing strategies, design automated testing frameworks, and ensure high reliability across our software products. Catalist is home to a dedicated, creative team of technologists, data scientists, and campaign experts committed to using our talents and technology to nurture a vibrant and growing progressive community.
DevOps Engineer (Top Secret with agreement to obtain CI Poly) North Point TechnologyDevOps Engineer (Top Secret with agreement to obtain CI Poly)Herndon, VAIn this role, the qualified candidate will provide bug fixes, enhancements, and Graphical User Interface (GUI) improvements to operational applications, develop and deploy software across multiple environments including the cloud, and integrate software solutions in support of the mission. Duties include providing bug fixes, enhancements, and GUI improvements to meet operational requirements, and developing and modifying application source code in response to new requirements and change requests.
AI/ML Engineer – Subject Matter Expert (SME) Argo Cyber SystemsAI/ML Engineer – Subject Matter Expert (SME)Arlington, VAFull timeCitizenshipActive Secret Security ClearanceAbility to obtain DHS Entry on Duty (EOD) SuitabilityBachelor's degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, Computer Engineering, or related STEM fieldFive (5) or more years of professional experience developing AI, ML, automation, or data engineering solutionsStrong Python development experienceExperience implementing machine learning pipelinesExperience integrating Large Language Models (LLMs)Experience with Amazon Bedrock and AWS AI servicesExperience building REST APIs and cloud-native applicationsExperience with Git, CI/CD pipelines, and software development best practicesStrong analytical, problem-solving, and communication skillsPreferred QualificationsActive TS/SCI ClearanceExperience supporting DHS, CISA, NSA, FBI, DoD, or Intelligence Community programsExperience implementing Generative AI solutionsExperience developing autonomous AI agentsExperience building RAG architecturesExperience with LangChain, LangGraph, CrewAI, AutoGen, Semantic Kernel, or similar AI orchestration frameworksExperience with Databricks AI PlatformExperience with vector databases (Pinecone, FAISS, ChromaDB, OpenSearch Vector Engine)Experience supporting malware analysis, digital forensics, or threat intelligenceExperience implementing MLOps pipelinesExperience deploying AI into production cloud environmentsDesired Technical SkillsArtificial IntelligenceLarge Language Models (LLMs)Generative AIRetrieval-Augmented Generation (RAG)Prompt EngineeringAI AgentsAgentic AIModel Fine-TuningReinforcement LearningNatural Language Processing (NLP)Embedding ModelsMachine LearningTensorFlowPyTorchScikit-learnXGBoostML PipelinesFeature EngineeringModel EvaluationModel DeploymentCloudAWSAmazon BedrockSageMakerLambdaECSEKSS3IAMCloudWatchDatabricksData EngineeringSparkKafkaKinesisAirflowPrefectSQLNoSQLData LakesETL/ELTVector DatabasesSoftware EngineeringPythonFastAPIREST APIsDockerKubernetesGitGitHub ActionsJenkinsTerraformCybersecurityMalware AnalysisThreat IntelligenceIncident ResponseDigital ForensicsMITRE ATT&CKDetection EngineeringSIEM IntegrationSecurity AutomationDesired CertificationsOne or more of the following certifications are highly desirable:AWS Certified Machine Learning – SpecialtyAWS Certified AI PractitionerAWS Solutions Architect – ProfessionalDatabricks Certified Machine Learning ProfessionalMicrosoft Azure AI Engineer AssociateGoogle Professional Machine Learning EngineerCSSLPDoD 8140 IAT Level IIICISSP (Preferred)GIAC Certified Forensic Analyst (GCFA) (Preferred)What Success Looks LikeWithin your first year you will:Deploy secure AI capabilities supporting DHS cyber operations. AI/ML Engineer – Subject Matter Expert (SME)Location: Government Facility (Hybrid/Onsite)Security Clearance: Active Secret Clearance Required (TS/SCI Preferred)Customer: U.S. Department of Homeland Security (DHS)Employment Type: Full-TimeAbout Argo CyberArgo Cyber Systems is a Service-Disabled Veteran-Owned Small Business (SDVOSB) delivering advanced cybersecurity engineering, artificial intelligence, cloud security, digital forensics, threat intelligence, and cyber modernization services to Federal agencies and critical infrastructure organizations.
Electrical Engineer Career CollectiveElectrical EngineerChantilly, Virginia10+ years of experience in design and specification of: lighting systems, power systems, fire alarm systems, telcom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. Typical duties that the Senior Electrical Engineer will be expected to perform will include writing technical reports, performing calculations, selecting equipment, and designing lighting, power, fire alarm, security and telcom/data systems.
Environmental Project Engineer GFT.Environmental Project EngineerBaltimore, Maryland$85,000–$115,000 / yearFull timeUnder the direction of Senior Engineers, this position will integrate into a team of environmental scientists, planners, and project managers to deliver a wide range of Environmental Restoration and infrastructure projects within various sectors, including transportation infrastructure (road/bridge), transit/rail, water/wastewater, power, etc. Assists with development of deliverables including construction documents, plans, cost estimates, and specifications for stream restoration, living shoreline, coastal engineering, and water resources infrastructure projects, including BMP design.
Wastewater Treatment Process Engineer GFT.Wastewater Treatment Process EngineerFairfax, Virginia$80,000–$180,000 / yearFull timeUse processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection. In this role you will lead and support design of wastewater treatment through evaluation of existing processes and facilities; treatment assessments; design of improvements, expansions, and new facilities; permitting; and construction administration.
Lead Design Engineer Kokosing IndustrialLead Design EngineerAnnapolis Junction, MarylandWork and communicate effectively with internal entities such as other design engineers, CAD modelers, and field personnel as well as external entities such as clients, owners, vendors, and consultants to develop safe, economic, and appropriate engineering solutions. This compensation range is specific to the job level and takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to: education, experience, licensure, certifications, geographic location, and internal equity.
Electrical Engineer (BESS Focus) AECOMElectrical Engineer (BESS Focus)Arlington, VA$100,000–$130,000 / yearThe responsibilities include, but may not be limited to, the following: + Responsible for the electrical engineering design work on assigned projects under the guidance of senior staff + Work with Project Engineer and Project Manager on developing design schedules and budgets for electrical engineering work activities + Solar PV and BESS system design including array layouts, DC string sizing, equipment layouts, and utility interconnections for rooftop, carport, and ground mount (fixed tilt and single-axis tracking) systems + Solar PV and BESS system energy production modelling + Developing construction and equipment specifications + Engineering calculations (NEC maximum system voltage, conductor sizing, overcurrent protection sizing, utility disconnect requirements, voltage drop, and conduit sizing) + Engineering development and support of construction drawing developments – one lines, network diagrams, etc. We are proud to be recognized for excellence: + Named one of _Fortune_ magazine's "World's Most Admired Companies" for the eleventh consecutive year + Ranked #1 in _Engineering News-Record_ ’s in Environmental Engineering, Facilities, Water, Transportation, Green Design, Airports, and more + Named one of _TIME_ Magazine’s Best Companies for Future Leaders **DCS—Energy** AECOM’s Energy practice provides a wide range of services from consulting and engineering design to engineering, procurement and construction (EPC) for power, energy efficiency, and renewable energy clients.
NewSr Mechanical Engineer - MEP MRINetwork JobsSr Mechanical Engineer - MEPHerndon, VAThey need a well-qualified, energetic Design Engineer P.E. that will focus on mechanical design-related activities including performing calculations, selecting equipment, and supporting the development of construction documents, such as drawings, specifications and support fieldwork including existing condition surveys, progress field reports, and project close-out punch lists. Their construction experience includes a broad range of commercial and government projects, including data centers, hospitals, laboratories, wastewater treatment plants, convention centers, and hotels.
Software Integration Engineer 3 - TS/SCI w/ Poly AmentumSoftware Integration Engineer 3 - TS/SCI w/ PolyAnnapolis Junction, Maryland$200,000–$225,000 / yearServe in a leadership role providing guidance and direction to a development or engineering team in a program or perform independent research to analyze and resolve highly complex IT issues or serve as a recognized subject matter expert in a program-related technology or domain area. The SIE shall identify defects of system implementation documentation and build procedures and work with the development team to resolve and retest these procedures until results are favorably repeatable.
Data Integration Senior Engineer - 10 yrs exp - DC Silverthorne Advisory GroupData Integration Senior Engineer - 10 yrs exp - DCCrystal City, VirginiaYou will support enterprise platforms such as OneStream, ERP systems, GTAS reporting, War Data Platform, and other mission-critical financial systems while leveraging technologies including Power BI, Databricks, Palantir, Celonis Intelligence, SQL, Python, cloud-native integration services, and agentic AI solutions to automate validation, improve data quality, and accelerate issue resolution. Working alongside technical developers, source system owners, data layer teams, finance stakeholders, and program management teams, you will ensure financial and operational data moves accurately, completely, and securely from source systems through transformation pipelines into downstream reporting platforms.
Senior Unified Communications (UC) Engineer AmentumSenior Unified Communications (UC) EngineerMarylandAdvise the UC, Network, and Systems engineering teams, and cyber security experts on voice and video communications technologies, operational paradigms, and identify potential problem areas and interoperability issues. Specialize in UC technologies such as Cisco Unified Communications Manager (CUCM), Cisco Unified Computing Systems, Cisco Unified Border Element, and Cisco Meeting Server.
Senior Microsoft Security Engineer University of Maryland Global CampusSenior Microsoft Security EngineerAdelphi, MarylandLead the educational institutions Microsoft security “cloud first” strategy leading to fully leverage SDN (Software Defined Networking) Zero Trust, and Least Privilege strategies. Perform hands-on testing of applications, as well as build and enforce information risk management requirements and structure, including providing practical secure architecture skills and developing and implementing Information Security best practices.
Software Engineer Level 2 (Application Development) WOOD Federal SolutionsSoftware Engineer Level 2 (Application Development)Ft. Meade, Maryland$150,000–$230,000 / yearYou’ll collaborate with product, UX, and fellow engineers to make smart trade‑offs, champion reuse, and integrate best‑in‑class tools (including open source/COTS) where it accelerates delivery. Qualifications: Required Education & Years of Experience: Bachelor's degree in Computer Science or related discipline from an accredited college or university is required.
Principal Geotechnical Dam Safety Engineer AECOMPrincipal Geotechnical Dam Safety EngineerGermantown, MD$150,000–$180,000 / yearProvide senior technical support for projects including seepage and slope stability analyses, filter and drain design, Potential Failure Mode Analyses (participate and/or facilitate), Semi-Quantitative Risk Assessments, site inspection, construction observation, and regulatory compliance activities associated with a variety of hydraulic structures. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
NewSoftware Test Engineer Optimus TechnologySoftware Test EngineerMarylandProvides specific input to the software components of system design to include hardware/software trade offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. (U) The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
NewElectrical Engineer 4 Rosendin Electric IncElectrical Engineer 4Sterling, VAQuality control of design documents for compliance with technical or Code related aspects, including layouts, studies, specifications, bases of design (BOD\s), sequences of operation (SOO\s),control diagrams, and control point-to-points to quality control the work of multiple team members. WHAT YOU\LL DO: Possess a solid knowledge of all aspects of electrical engineering, including power distribution, protection, control, lighting, grounding, energy conservation, and value engineering as they relate to designing state-of-the-art, highly constructible projects.
Senior Software Engineer (Sign-On Bonus Eligible) Amentum Services IncSenior Software Engineer (Sign-On Bonus Eligible)Hanover, MD$180,000–$225,000 / yearEssential Responsibilities: The Software engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Provides specific inputs to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-Shelf (COTS)/Government Off-the-Shelf (GOTS) in place of new development and requirements analysis and synthesis from system level to individual software components.
System Engineer, Level 3 AvaloreSystem Engineer, Level 3Annapolis Junction, MarylandResponsibility for the technical integrity, quality, and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288: Technical Process Area - Stakeholder Requirements Definition, Requirements Analysis, Architectural Design, Implementation, Integration, Verification, Transition, Validation, Operation, Maintenance, and Disposal; Project Process Area - Project Planning, Project Assessment and Control, Decision Management, Risk Management, Configuration Management, Information Management, and Measurement; Enterprise (Organizational Project-Enabling) Process Area - Project Portfolio Management, Infrastructure Management, Lifecycle Model Management, Human Resource Management, and Quality Management; •(U) Agreement Process Area - Acquisition and Supply. Perform systems engineering activities and assist in the preparation of multiple work products in Project and/or Technical Process Areas associated with any of the ISO/IEC 15288 processes.
Data Integration Engineer - 2 yrs exp - DC Silverthorne Advisory Group LLCData Integration Engineer - 2 yrs exp - DCCrystal City, VAFull timeYou will support enterprise platforms such as OneStream, ERP systems, GTAS reporting, War Data Platform, and other mission-critical financial systems while leveraging technologies including Power BI, Databricks, Palantir, Celonis Intelligence, SQL, Python, cloud-native integration services, and agentic AI solutions to automate validation, improve data quality, and accelerate issue resolution. Working alongside technical developers, source system owners, data layer teams, finance stakeholders, and program management teams, you will assist in ensuring financial and operational data moves accurately, completely, and securely from source systems through transformation pipelines into downstream reporting platforms.