Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG) Amazon Development Center U.S., Inc.Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG)Herndon, VAWe're looking for systems engineers who can synthesize complex operational and compliance requirements into clear infrastructure strategies, move fast with high judgment, and continuously raise the bar for what's possible in some of the world's most demanding environments. - Architect, deliver, and operate large-scale infrastructure automation and deployment pipelines for ADC environments with a focus on security, availability, and repeatability, repeatability, observability, and fault tolerance.
NewEngineering Manager JobotEngineering ManagerTysons, VA$180,000–$230,000 / yearInformation 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Business Process Re-engineering Specialist - Junior Level CredenceBusiness Process Re-engineering Specialist - Junior LevelMcLean, VAYou will provide facilitation, training, methodology development and evaluation, business process reengineering across all phases, identify best practices, support change management initiatives, apply business management techniques, contribute to organizational development efforts, perform activity and data modeling, and support information systems development methods and practices. Computer Science, Engineering, or Information Systems/Technology) and a specific logistics function (e.g., finance, supply, contract administration, transportation and operations research) and first-hand knowledge of the following: DoD/Component policies.
Computer Systems Engineer - Pega Resource LeidosComputer Systems Engineer - Pega ResourceWashington, DC$107,900–$195,050The ideal resource will be working as part of a technical support team that designs, builds, maintains and supports the enterprise PEGA infrastructure, reviews, tests and implements patches and upgrades, while developing and maintaining complete and accurate documentation for supported environments. Bachelor's Degree Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field and 8+ years of relevant experience or a Master’s Degree in Computer Science, Mathematics, Engineering, or a related field and 6 years of relevant experience.
NewManager - Platform Engineering (ServiceNow) OneMain FinancialManager - Platform Engineering (ServiceNow)Baltimore, MD$105,000–$126,000 / yearAs an ideal candidate, you will be responsible for managing and scaling a talented team of ServiceNow analysts, engineers and specialists while positioning the platform as a strategic enabler for partner teams across the enterprise such as Prod Ops, App Dev, EA, IAM, HR, Legal, Compliance, Facilities, Procurement, Finance, Cyber. Rather than owning functional delivery in those domains, your responsibility will be to ensure the ServiceNow platform, and the team deliver the workflows, automations, integrations, insights, and AI-driven enhancements these teams need to operate effectively, securely, and at scale.
NewSoftware Engineering Manager - (Rails, Node, Angular, JavaScript) OneMain FinancialSoftware Engineering Manager - (Rails, Node, Angular, JavaScript)Baltimore, MD$110,000–$132,000 / yearIn this role, you will lead the team responsible for our shared application platform and its operational excellence—ensuring deployments run smoothly, environments remain stable, and cross-functional engineering teams are empowered to deliver with consistency and confidence. 8–10+ years of experience in software engineering, 3 or more years of progressive responsibility as an engineer on development teams directly responsible for building and delivering software-intensive systems.
Software Engineering II - CTJ - Poly MicrosoftSoftware Engineering II - CTJ - PolyReston, VA$100,600–$199,000 / yearDevelops an understanding of the code, features, and operations of specific products at scale as required to contribute to incremental improvements in product availability, reliability, efficiency, observability, and/or performance; participates in on-boarding, code/design reviews, and regular meetings with the engineering teams that develop and/or manage those products.-Researches and maintains an awareness in industry trends, advances in distributed systems and cloud technologies, new tools, and/or processes for maintaining and improving product availability, reliability, efficiency, observability, and/or performance. -Engages with product engineering teams by participating code/design reviews, regular meetings, on-call rotations and incident responses throughout product development and operations cycles; leverages technical expertise on underlying systems/platforms and insights drawn from engagements with product engineering teams and telemetry analyses to propose potential improvements in code base and designs across components and features of one or more products.
Computer Security Systems Specialist By Light Professional IT ServicesComputer Security Systems SpecialistMcLean, VAWe’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.
Computer Aided Manufacturing Engineer Johns Hopkins Applied Physics Laboratory (APL)Computer Aided Manufacturing EngineerLaurel, MD$100,000–$245,000Computer Aided Manufacturing Engineering for incoming printed circuit boards including rigid, rigid-flex, and flexible circuits, as well as developing processing flows for the fabrication area using CAM software. 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.
System Engineer - Cyber Security Engineering Focus EsriSystem Engineer - Cyber Security Engineering FocusVienna, VA$120,640–$197,600 / yearYoull work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
NewAssoc Director Software Engineering - Rule Engines (hands-on) OneMain FinancialAssoc Director Software Engineering - Rule Engines (hands-on)Baltimore, MD$120,000–$144,000 / yearProactively applies industry leading technology trends, best practices, design principles and patterns, and methods including Agile software development, iterative delivery, and cloud computing. Own delivery of decisioning platforms end-to-end, ensuring on-time, high-quality implementation of core components of Decisioning infrastructure that power credit, pricing, and risk strategies.
Technical Consultant - System Engineering focus EsriTechnical Consultant - System Engineering focusVienna, VA$84,240–$142,480 / yearApply working knowledge of technologies that complement ArcGIS Enterprise, including relational databases (RDBMS), NoSQL stores, object storage systems, SAN, NAS, and related enterprise data tier components. In this role, you will work directly with customers to design, deploy, migrate, and support enterprise‑scale GIS systems, with an emphasis on advanced deployment strategies such as high availability, disaster recovery, and Kubernetes‑based architectures.
NewJunior Software Systems Integration Engineer - RHEL - Secret Clearance Required JobotJunior Software Systems Integration Engineer - RHEL - Secret Clearance RequiredManassas, VA$90,000–$115,000 / yearInformation 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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
NewSoftware Engineer JobotSoftware EngineerArlington, VA$120,000–$150,000 / yearInformation 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!
Software Developer (Full Stack/Backend) Intern TeleWorld SolutionsSoftware Developer (Full Stack/Backend) InternChantilly, VAInternWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.
Engineering Technician (Production) System OneEngineering Technician (Production)Sterling, VA$85,000 / hourSupport production operations by working alongside engineers and welders to perform powder handling and assembly operations. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Specialist, Software Engineer (Embedded Software) L3Harris TechnologiesSpecialist, Software Engineer (Embedded Software)Herndon, VAWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.
(DoD SkillBridge), Specialist, Integration & Test Engineer L3Harris Technologies(DoD SkillBridge), Specialist, Integration & Test EngineerHerndon, VABS/BA (or equivalent) in Optical, Electrical, Computer Engineering, Computer Science, Information Technology or related field, and minimum 6 years Software or systems experience or Graduate’s degree and 4 years software or systems experience. This Integration and Test / Technical trainer needs to experience in developing and executing structured training sessions tailored to customer needs, ensuring knowledge retention and effective skills transfer.
NewVP/D Engineer - Software Regulatory & Compliance OneMain FinancialVP/D Engineer - Software Regulatory & ComplianceBaltimore, MD$80,000–$96,000 / yearThe leader will be responsible to collaborate with business, operations, product, and technology partners to deliver the engineering, systems integration and process improvement needs for all aspects of the Regulatory & Compliance support systems, inclusive of the day-to-day running of the engineering teams. Excellent verbal and written communication skills required for composing and delivering technical presentations or other forms of documentation to various level of technical and non-technical management.
Senior ServiceNow Developer CredenceSenior ServiceNow DeveloperTysons, VA$150,000–$175,000You will also manage and participate in designing and developing solutions using various ServiceNow modules and features including CSM, S2P, APO, Integration Hub, Flows, Business Rules, Script Includes, Service Catalog, Service Portal, Asset Management, CMDB, AI Agents, and other ServiceNow modules, as required. Credence has an immediate need for a Senior ServiceNow Developer who will assist in solutioning and development of applications leveraging ServiceNow OOTB modules and customization as necessary to ensure the required business outcomes are delivered.
NewMid-Level Qlik Developer CredenceMid-Level Qlik DeveloperMcLean, VAThe Qlik Developer will collaborate with government stakeholders, functional analysts, data engineers, and development teams to design and implement data visualization solutions that improve operational visibility, reporting accuracy, and decision-making across the enterprise. This role requires experience developing scalable Qlik applications, integrating multiple data sources, and supporting Agile software development initiatives in a secure DoD environment.
NewFull Stack Developmer Whitman, Requardt & Associates, LLPFull Stack DevelopmerBaltimore, MD$120,000–$165,000 / yearFull timeExperience in developing design and code solutions using best practices and common patterns, including databases, component layers, user interfaces, and web services. 5+ years of experience in developing data driven applications using C#, ASP.NET Core, ASP.NET MVC, and Entity Framework.
Cybersecurity Risk Analyst ECLAROCybersecurity Risk AnalystManassas, VA$67–$70 / hourThe successful consultant will be the Subject Matter Expert (SME) for TPRM program, currently administered through the SAFe platform, and will be equally responsible for insider threat monitoring, custom cybersecurity awareness training development, awareness metrics reporting, Disaster Recovery (DR) coordination, and executive-level risk reporting. Develop audience-specific SharePoint pages tailored to the information needs of distinct stakeholder groups, including IT leadership, department managers, executive sponsors, audit / compliance teams, and general staff, applying role-based access controls and page permissions accordingly.
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.
Front-End Developer NuAxis InnovationsFront-End DeveloperWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, UX/UI Designers, Solution Architects, Back-End Developers, and QA Engineers to deliver secure, scalable, and intuitive user interfaces that meet business, technical, and accessibility requirements. · Participate in Agile development activities including backlog refinement, sprint planning, code reviews, sprint demonstrations, and continuous integration.
Senior AI Developer NuAxis InnovationsSenior AI DeveloperWashington DC, DCThe Senior AI Developer serves as the lead technical resource responsible for designing, developing, integrating, and supporting enterprise Artificial Intelligence (AI) and Machine Learning (ML) solutions that enhance business applications, automate processes, and improve operational efficiency. This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Subject Matter Experts (SMEs), Solution Architects, developers, and stakeholders to deliver secure, scalable, and responsible AI solutions that align with business and mission objectives.
Software Test Lead NuAxis InnovationsSoftware Test LeadWashington DC, DCThis role develops and executes test strategies, manages testing activities, and collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Developers, UX/UI Designers, and stakeholders to deliver secure, reliable, accessible, and high-performing applications. The Software Test Lead is responsible for leading the Quality Assurance (QA) and testing efforts for enterprise web applications, ensuring software quality through comprehensive manual and automated testing.
Senior Full Stack Developer NuAxis InnovationsSenior Full Stack DeveloperWashington 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.
Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)Reverse Engineer and Offensive Cyber DeveloperLaurel, MD$100,000–$245,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.
Senior Reverse Engineer / Cyber Capability Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Reverse Engineer / Cyber Capability EngineerLaurel, MD$105,000–$290,000We have custom facilities tailored to specific classes of systems including foreign materiel, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Sr. Site Reliability Engineer - AWS Geospatial Technology EsriSr. Site Reliability Engineer - AWS Geospatial TechnologyVienna, VA$84,240–$142,480 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.
NewSenior Associate, ServiceNow - ITSM KPMGSenior Associate, ServiceNow - ITSMWashington, DCIf you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. Lead presentations of key solution design, technology architecture concepts and demonstrations to client stakeholders as well as working as part of a team to implement solutions in an Agile-SCRUM framework by writing epics and user stories.
NewManager, Economic Services - Data Science KPMGManager, Economic Services - Data ScienceWashington, DCThese include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation. Work with KPMG's extensive network of specialists & enjoy access to our Ignition Centers, where deep industry knowledge merges with cutting-edge technologies to create innovative solutions.
Staff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyWashington DC, DCDistributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
Software Engineer II - CTJ - POLY MicrosoftSoftware Engineer II - CTJ - POLYReston, VA$100,600–$199,000 / yearMasters Degree in Computer Science or related technical field AND 3+ 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 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. If you love solving challenging problems, developing scripts and/or automation to solve said problems, and are passionate about operating and automating robust, reliable, highly distributed software systems using the latest cutting-edge technologies, then let’s talk. .
Timing and Synchronization Test Engineer By Light Professional IT ServicesTiming and Synchronization Test EngineerFort Meade, MDBy Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. We are looking for an experienced, innovative and enthusiastic network engineer to join our DISA team in delivering high quality timing distribution systems.
Blockchain Vulnerability Researcher Johns Hopkins Applied Physics Laboratory (APL)Blockchain Vulnerability ResearcherLaurel, MD$100,000–$245,000We strive to foster an innovative and collaborative team environment where engineers can hack the latest technologies to find and exploit vulnerabilities to solve the hardest national security challenges and have real-world impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Reverse Engineer / Cyber Capability Engineer Johns Hopkins Applied Physics Laboratory (APL)Reverse Engineer / Cyber Capability EngineerLaurel, MD$100,000–$245,000We have custom facilities tailored to specific classes of systems including vehicles, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. Our team specializes in software and hardware reverse engineering, vulnerability research, and developing proof-of-concept offensive cyber capabilities with a focus on embedded systems.
AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)AI-Enabled Cyber Capabilities DeveloperLaurel, MD$105,000–$290,000It requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
NewSenior 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.
Senior Software Engineer - CTJ - Poly MicrosoftSenior Software Engineer - CTJ - PolyReston, VA$119,800–$234,700 / yearPreferred Qualifications: Masters 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 $158,400 - $258,000 per year.
Site Reliability Engineer - CTJ - POLY MicrosoftSite Reliability Engineer - CTJ - POLYReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.
NewFormal Verification and Software Assurance Engineer Johns Hopkins Applied Physics Laboratory (APL)Formal Verification and Software Assurance EngineerLaurel, MD$100,000–$245,000Experience 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.
Real-Time Software Engineer LeidosReal-Time Software EngineerArlington, VA$87,100–$157,450If 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 . Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations.
NewAWS Cloud Security Engineer System OneAWS Cloud Security EngineerMcLean, VARemoteSupport alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.
NewSoftware 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.
GPU Software Engineer LeidosGPU Software EngineerArlington, VA$107,900–$195,050If 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 . June 8, 2026 For 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.
NewAI/ML Solutions Architect System OneAI/ML Solutions ArchitectMcLean, VADesign and implement agentic AI systems that enable autonomous decision-making, workflow orchestration, and mission process optimization—with appropriate guardrails and human oversight. Minimum EIGHT (8) years in solutions architecture, software engineering, data engineering, and/or applied ML with a track record of delivering production systems.
Lead Systems Engineer - AWS Cloud System OneLead Systems Engineer - AWS CloudReston, VA$109.05 / hourMentor junior and senior team members, install, tune, upgrade, troubleshoot, and maintain all relevant computer systems including OS administration, user management, and networking. Implement risk and opportunity management plans, assess risks, develop mitigation and disaster recovery plans, and oversee engineering project planning and execution.