Principal Geotechnical/CMT Engineer Hillis-CarnesPrincipal Geotechnical/CMT EngineerFrederick, MDDuties may include but are not limited to; general geotechnical engineering practice including the preparation of geotechnical reports/calculation, technical support of field staff, review of construction inspection daily field reports, and occasional project site field visits related to the projects you are involved in. Candidate will work with our geotechnical and materials testing/inspections departments and be responsible for a wide variety of projects for public and private sector clients.
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.
Principal Application Engineer Banner Life family of companiesPrincipal Application EngineerFrederick, Maryland$144,800–$199,100 / yearDesign and develop web-based applications and micro-services using both front-end and back-end technologies (full stack development), including but not limited to technical design, coding, and unit testing to generate high quality deliverables to achieve product release objectives. If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.
Principal AI/ML Engineer HarmonyTechPrincipal AI/ML EngineerNorthern, VAAI/ML Testing, Validation & Documentation – test plan execution, model inventories, model cards, explainability artifacts, drift/anomaly monitoring, AI governance documentation. You will be working with a high-performing agile team leading, designing and implementing AI/ML and business intelligence solutions for a Federal Regulatory agency.
NewPrincipal Automation Engineer Agilent TechnologiesPrincipal Automation EngineerFrederick, MarylandKnowledge of computerized systems’ server and personal computer hardware, networking, operating systems, integrated architecture, cyber security and resiliency. Agilent’s Advanced Therapeutics Division is a contract development and manufacturing organization providing products and services for our clients that provide medicines for many indications improving health for patients.
Engineer Network Systems, Principal ShentelEngineer Network Systems, PrincipalWinchester, VABuild and manage the security infrastructure of the corporate network to include installing hardware, configuring firewalls and Internet content filters, setting up virtual private networks (VPNs), and performing upgrades. Ideal candidates will have a deep understanding of Cisco technologies, TCP/IP, routing protocols (BGP, OSPF, EIGRP), and switching (VLANs, STP), as well as previous experience with Cisco IOS and network management tools.
Principal Product Validation & Reliability Engineer Oshkosh Corp.Principal Product Validation & Reliability EngineerHagerstown, MD$82,900–$134,300 / yearAs a Principal Product Validation & Reliability Engineer on JLG's Global Product Development team, you will have the unique responsibility for the interpretation, planning, and execution of product validation, Reliability, Regulatory, and Functional Safety activities for JLG Mobile Elevating Work Platforms (MEWPs) and Telescopic Material Handlers (TMHs). However, 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 Oshkosh Corporation's legal duty to furnish information.
Sr. Principal Engineer - Autonomy Oshkosh Corp.Sr. Principal Engineer - AutonomyFrederick, MD$104,100–$173,900 / yearCommunication Skills: Read, write and comprehend simple instructions, short correspondence and memos; Read and interpret safety rules, operating/maintenance instructions and procedure manuals; Write routine reports, correspondence and speak effectively before both internal and external groups; Read, analyze and interpret business manuals, technical procedures and/or government regulations: Read, analyze and interpret scientific and technical journals, financial reports and legal documents. Principal Engineer - Autonomy will provide design, development and integration support of software architecture, motion planning, computer vision and sensor processing algorithms, graphical user interfaces, and inter-process messaging for active safety, advanced driver assistance systems and unmanned ground vehicle control systems development.
Principal Engineer - Autonomy Oshkosh Corp.Principal Engineer - AutonomyFrederick, MD$91,500–$148,100 / yearCommunication Skills: Read, write and comprehend simple instructions, short correspondence and memos; Read and interpret safety rules, operating/maintenance instructions and procedure manuals; Write routine reports, correspondence and speak effectively before both internal and external groups; Read, analyze and interpret business manuals, technical procedures and/or government regulations: Read, analyze and interpret scientific and technical journals, financial reports and legal documents. The Principal Engineer - Autonomy will provide design, development and integration support of software architecture, motion planning, computer vision and sensor processing algorithms, graphical user interfaces, and inter-process messaging for active safety, advanced driver assistance systems and unmanned ground vehicle control systems development.
Principal Quality Engineer Oshkosh Corp.Principal Quality EngineerHagerstown, MD$82,900–$134,300 / yearCommunicate effectively and collaborate cross-functionally with Engineering, Manufacturing, Global Procurement & Supply Chain (GPSC), Sales, Contracts, Suppliers, and Operations to resolve complex quality-related issues, streamline processes, and improve operational performance. However, 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 Oshkosh Corporation's legal duty to furnish information.