1,320 Results for

Principal Engineer Jobs in Hanover, MD

Jobs

Geotechnical Senior Project Engineer - Special Projects Group ECS Ltd

Hanover, Maryland

$120,000–$150,000 / year

Management of geotechnical engineering projects, which will consist of performing boring layouts, obtaining utility clearances, supervising drill rigs, performing in-situ testing, classifying soils, determining appropriate laboratory tests, and preparing geotechnical engineering reports . ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2026) and #38 in Zweig Group’s Hot Firm List (June 2026).

15 days ago

Principal Software Engineer (Partial Telework) GliaCell Technologies

Annapolis Junction, MD

$200,000–$280,000 / year

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Responsible for the design, development, maintenance, and operation of ANSWERLAKE, a backend system that provides compliant storage and access for analytic results and Application Programming Interfaces (APIs) that support enterprise outcomes.

30+ days ago

Principal Systems Engineer/SME Leidos

Fort Meade, Maryland

$154,050–$278,475 / year

The Principal Systems Engineer serves as a senior technical authority leading the design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems utilizing Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) products. March 6, 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.

30+ days ago

Principal Cybersecurity Engineer Leidos Holdings Inc

McLean, VA

$131,300–$237,350 / year

Preferred Qualifications: Experience with cybersecurity tools such as Rapid7, Tenable/Nessus, HBSS/Trellix, SonarQube, Fortify, Chainguard, or endpoint detection and response (EDR) platforms, as well as using STIG viewers and compliance tools to assess systems against established security configuration baselines. Experience applying system security engineering principles in areas such as system security design, lifecycle engineering, authentication and authorization mechanisms, cryptography, intrusion detection, contingency planning, incident handling, auditing, configuration management, and change control.

15 days ago

Principal Model Based Design Engineer Stanley Black & Decker, Inc.

Towson, MD

$138,250–$225,500 / year

Learning & Development: Our lifelong learning philosophy means you'll have access to a wealth of state-of-the-art learning resources, including our Lean Academy and online university (where you can get certificates and specializations from renowned colleges and universities). Join our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world's most beloved brands, including DEWALT, BLACK+DECKER, CRAFTSMAN, STANLEY, CUB CADET, and HUSTLER.

30+ days ago

Senior Principal Solutions Specialist Cloud Software Group

Washington DC, New York

$208,293–$312,439 / year

Develop and present executive-level value narratives and business cases, including TCO and ROI analysis and comparisons with existing VDI, AVD, Dev Box, local development, and alternative CDE platforms such as GitHub Codespaces, Gitpod, and Coder. Design governed environments for AI-assisted development and agent execution, including credential brokering, workspace-level network controls, MCP and tool governance, agent identity, policy enforcement, auditability, and controlled access to enterprise systems.

30+ days ago

Senior Principal Data Scientist / AI-ML SME (Analytic Superiority) Leidos Holdings Inc

Fort Meade, MD

$154,050–$278,475 / year

Autonomous Cyber Integration: Connect intelligent agents directly into security orchestration platforms (e.g., Palo Alto Cortex XSIAM/XSOAR) to trigger automated network defense actions and ingest massive, real-time PCAP and telemetry streams via Apache Kafka/Spark. Dual-Spectrum Operations: Proven capability to support both Defensive Cyber Operations (DCO) (log parsing, behavioral threat hunting, anomaly detection) and Offensive Cyber Operations (OCO) (automated vulnerability discovery, exploit generation, payload optimization).

30+ days ago

Senior Principal Outbound Product Manager - Service Collection Atlassian Corp

Washington DC

You will sit at the intersection of product strategy and the field as a mini GM: identifying patterns in enterprise opportunities, converting customer and competitive evidence into product action, shaping the narrative and proof points for strategic plays, and building the operating mechanisms that allow teams to execute consistently. The primary focus will be: Transformation & Compete: helping customers move from fragmented or incumbent platforms to a modern Service Collection operating model, with particular emphasis on competitive displacement and credible enterprise differentiation.

30+ days ago

Cribl Engineer Expert DAn Solutions

Washington, DC

Full time
Quick Apply

Must possess the following DoD 8570.01-M certifications or be willing to obtain within 30 days of hire:Information Assurance Technician (IAT) Level II certification (currently Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND).IAT Level III certification requirements (currently CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, or GCIH).Cyber Security Service Provider (CSSP) - Infrastructure Support (IS) certification requirements (currently CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND).Must possess a TS/SCI with Polygraph Preferred QualificationsExpertise creating and maintaining Cribl Packs and reusable pipelines.

30+ days ago

Senior Threat Detection Engineer Dragos Inc

Remote

About the Role: Dragos is seeking a Senior Detection Engineer to join our Detection Engineering team, which plays a pivotal role in our customers'' ability to identify and respond to threats targeting their OT environments by turning cyber threat intelligence into high-fidelity, performant detections. Backed by the industry's largest and most experienced team of industrial control systems (ICS) cybersecurity practitioners, Dragos ICS Cyber Threat Intelligence provides in-depth visibility of threats targeting industrial environments globally.

30+ days ago

Senior Software Engineer AeroVironment Inc

jessup, MD

$150,000–$260,000 / year

Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Agencies of the U.S. Department of Defense and allied military services use the company's hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition.

23 days ago

Systems Engineer (Hiring Event) U.S. Department of Defense

Washington, DC

$76,573–$158,322 / year

Combination of Education and Experience: A minimum of 24 semester (36 quarter) hours of coursework in any area listed in option A, plus experience in Information Technology, systems planning, research, development, engineering, or a related area that demonstrates the ability to successfully perform the duties associated with this work. You can apply for the job opening at https://careers.nga.mil/psp/CAREERS/EMPLOYEE/HRMS/c/HRS_HRAM_FL.HRS_CG_SEARCH_FL.GBL?Page=HRS_APP_JBPST_FL&Action=U&FOCUS=Applicant&SiteId=1&JobOpeningId=20270041&PostingSeq=2 .

10 days ago

Data Engineer BAE Systems Plc

McLean, VA

$132,962–$226,035 / year

To maximize growth and ensure agility in changing markets, our leadership is evolving our structure and assembling our top talent into a unified engineering engine designed to outpace emerging challenges and drive sector-wide advancement. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

3 days ago

Solutions Systems Engineer Q2Impact

Dc, District of Columbia

Remote

Design and generate custom, sector-specific scenarios (e.g., embassy crises, critical infrastructure security, public safety) by engineering prompts and configuring workflows within the platform’s generative AI tooling to dynamically generate, validate, and scale scenario content under strict human-in-the-loop quality controls. Collaborate with the product engineering team to map international (OCONUS) military and civil aviation frameworks, bilateral rules of engagement (ROE), and host-nation authorities to ensure simulation friction points accurately mirror foreign regulatory realities.

30+ days ago

Information Systems Security Engineer - Senior (TS/SCI) Praescient Analytics LLC

Washington, DC

Praescient Analytics is a Certified Woman-Owned Small Business (WOSB) with over a decade of expertise in advanced analytics, engineering, and DevOps, specializing in transforming complex data into actionable intelligence for informed decision-making. The ideal candidate will serve as a principal technical advisor, leading contractor teams to design secure system configurations (MFA, centralized logging, vulnerability tracking) and executing the NIST Risk Management Framework (RMF) to achieve timely system authorizations.

21 days ago

Sr Engineer, AME, Global Baltimore Aircoil Company

Jessup, MD

Full time

As part of the Global Advanced Manufacturing Technology department, the Advanced Manufacturing Engineer - Platforms will have significant interaction with all regions' manufacturing plants, regional Manufacturing Engineering and Global Engineering. Lead the definition of the Bill of Process (BOP) for each new platform, taking input from all regions and leading consensus on a single, Global BOP.

14 days ago

Applications Engineer, HVAC Baltimore Aircoil Company

Jessup, MD

Full time

NATURE & SCOPE Reporting to the Applications Lead- HVAC, the Applications Engineer - HVAC provides technical applications support and customized quotes to BAC Representatives worldwide through oral and written communication, in a timely and accurate fashion. POSITION PURPOSE The Applications Engineer, HVAC is responsible for providing timely and knowledgeable technical solutions as well as accurate and profitable product customization quotes to BAC Representatives to enhance their ability to sell BAC products.

14 days ago

Customer Site Support Engineer Baltimore Aircoil Company, Inc.

Jessup, MD

Full time

The Customer Site Support Engineer serves as BAC's primary point of coordination for designated customer projects following shipment, including unit commissioning, startup, warranty coordination, and resolution of project-related issues, ensuring effective communication and successful customer outcomes. The role works closely with customers, representatives, contractors, and internal BAC functions to coordinate site-related activities, align resources, remove obstacles, and support successful project execution in accordance with customer schedule commitments.

14 days ago

Senior Staff Software Engineer, Content Intelligence WP Company LLC

Washington, DC

$144,600–$241,100 / year

Purpose-built for publishers and broadcasters, it is the CMS and content platform that ambitious media organizations across digital media, news publishing, broadcast, and B2B publishing use to create and distribute content, grow and engage their audiences, and monetize through subscriptions and advertising. The team owns the Arc Intelligence API, a multi-tenant LLM and vector platform used across Arc products; Ask the News, which provides retrieval-augmented answers over a publisher's own archive; and the intelligence layer behind our personalization and audience products.

14 days ago

Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Fort Meade, Maryland

$150,000–$245,000 / year

The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

7 days ago

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Principal Engineer Jobs in Hanover, MD

Geotechnical Senior Project Engineer - Special Projects Group ECS Ltd

Principal Software Engineer (Partial Telework) GliaCell Technologies

Principal Systems Engineer/SME Leidos

Principal Cybersecurity Engineer Leidos Holdings Inc

Principal Model Based Design Engineer Stanley Black & Decker, Inc.

Senior Principal Solutions Specialist Cloud Software Group

Senior Principal Data Scientist / AI-ML SME (Analytic Superiority) Leidos Holdings Inc

Senior Principal Outbound Product Manager - Service Collection Atlassian Corp

Cribl Engineer Expert DAn Solutions

Senior Threat Detection Engineer Dragos Inc

Senior Software Engineer AeroVironment Inc

Systems Engineer (Hiring Event) U.S. Department of Defense

Data Engineer BAE Systems Plc

Solutions Systems Engineer Q2Impact

Information Systems Security Engineer - Senior (TS/SCI) Praescient Analytics LLC

Sr Engineer, AME, Global Baltimore Aircoil Company

Applications Engineer, HVAC Baltimore Aircoil Company

Customer Site Support Engineer Baltimore Aircoil Company, Inc.

Senior Staff Software Engineer, Content Intelligence WP Company LLC

Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

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