Principal Engineer Jobs in District of Columbia

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Principal Cyber Security Developer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Developer to join our team in Chantilly, VA. Principal Cyber Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber solution components according to provided requirements. This role requires a professional who thrives both in collaborative team settings and when working independently. Responsibilities inc
Posted 33 days ago | Updated 1 day ago

Principal Cyber Security Developer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Developer to join our team in Chantilly, VA. Principal Cyber Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber solution components according to provided requirements. This role requires a professional who thrives both in collaborative team settings and when working independently. Responsibilities inc
Posted 34 days ago | Updated 1 hour ago

Senior Kubernetes Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Job Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 9 hours ago

Lead Developer (Orace Fusion-Finance)

Allegis Group

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Remote or Maryland, USA

Full-time

Job Summary: The ideal candidate will have extensive functional and technical knowledge and hands-on experience with Oracle Fusion ERP applications, specifically in the areas of Record to Report (RTR), Procure to Pay (PTP), Cash Management (Treasury),Tax, and Enterprise Performance Management (EPM). This role involves providing functional and technical support, driving process improvements, and ensuring the successful implementation and optimization of Oracle Fusion Financials. Responsibilities
Posted 22 days ago | Updated 2 hours ago

Lead Operating Engineer

Cushman & Wakefield

•

Arlington, Virginia, USA

Full-time

Job Title Lead Operating Engineer Job Description Summary Responsible to ensure the proper efficient operations and maintenance of the mechanical electrical and plumbing systems for the assigned facility. The performance of all necessary maintenance and operational tasks are developed to assure maximum life and reliability of all mechanical/ electrical/plumbing systems. Typically, this position does not have a Chief Engineer on-site at the building and is sometimes the solo engineer at the buil
Posted 21 days ago | Updated 9 hours ago

Ab initio Developer - Lead

Spar Information Systems

•

US

Full-time, Part-time, Third Party, Contract

Hello Everyone, Hope you are doing good My name is Pavan and I work with SPAR Information System., I have a great opportunity for you, please find the job details below, if you are interested in applying please send me your updated resume and best time for you to discuss about this opportunity in details. Role: Lead Ab initio Developer Location: Remote Duration: Longterm You Are: We are seeking an Ab Initio Lead ETL Developer to build end-to-end business solutions and work with one of the lea
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Posted 5 hours ago | Updated 1 hour ago

Staff Software Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Staff Software Engineer to join one of our top clients remotely. This role is an exciting opportunity for a seasoned engineer with a passion for healthcare innovation and a proven track record in software development, team leadership, and problem-solving. Youll be joining a mission-driven team on the forefront of revolutionizing preventative healthcare through advanced diagnostics, personalized insights, and scalable tech. If youre energized by the idea of building technology t
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Posted 60+ days ago | Updated 13 days ago

Lead Platform Engineer

Motion Recruitment Partners, LLC

•

McLean, Virginia, USA

Full-time

A leading SaaS platform that enables organizations to rapidly build and deploy enterprise-grade applications is seeking a Lead Platform Engineer. Their technology integrates automation, case management, and workflow orchestration to optimize operations across industries such as government, finance, and healthcare. This position is fully on-site (5 days/week) in McLean, VA and involves 30-40% research and architecture, evaluating new tools and technologies to shape the future state of the platfor
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Posted 57 days ago | Updated 6 hours ago

Sr. Modeling and Simulation Engineer (Systems Engineer. Senior)

Redwire Space

•

Chantilly, Virginia, USA

Full-time

Join our team of innovators and get a chance to work alongside a team of talented, curious people that are passionate about designing and deploying solutions that are accelerating humanity's expansion into space. The talented innovators at Redwire Space, Oakman in Chantilly, VA are looking to expand. The team is revolutionizing spaceflight and are currently developing missions with NASA, the Department of Defense, and commercial space companies. With many more exciting projects on the horizon o
Posted 25 days ago | Updated 9 hours ago

Lead Infrastructure Systems Engineer

Akima, LLC

•

Alexandria, Virginia, USA

Full-time

Suvi Global Services is seeking a seasoned Lead Infrastructure Systems Engineer to provide technical leadership and strategic direction for enterprise infrastructure systems across classified and unclassified environments. This role is pivotal in architecting, deploying, and managing complex IT systems that support a global workforce and critical mission operations. The ideal candidate will possess deep expertise in cloud and on-premises infrastructure, lifecycle systems management, and secure s
Posted 34 days ago | Updated 9 hours ago

Lead Security Engineer

Apex Systems

•

Washington, District of Columbia, USA

Full-time

Job#: 2077304 Job Description: Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email your resume. Position: Lead Security Engineer Location: 1200 New Jersey Ave SE Washington DC USA 20590 3x onsite, 2x remote Hours: Regular business hours Compensation: $120k-$128k Job Type: Contract to hire Clearance: Must obtain DOT public trust clearance The Lead Security Engineer will assist the Department of Transportation's Cybers
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Posted 49 days ago | Updated 7 hours ago

Lead IAM / SailPoint Engineer (Java / SailPoint IdentityIQ)

ConsultNet, LLC

•

Rockville, Maryland, USA

Full-time

Lead IAM Engineer Location: Rockville, Maryland Long-Term Contract or CTH Rate: DOE Job Description: Our client is seeking a highly skilled Lead IAM Engineer to support enterprise-wide identity and access management (IAM) initiatives. The ideal candidate will have strong experience with SailPoint IdentityIQ (or similar IGA solutions), proficiency in Java/J2EE development, and the ability to build custom IAM automation solutions. This role will involve working closely with security and technolog
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Posted 34 days ago | Updated 9 hours ago

Deputy Staff Engineer

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Deputy Staff Engineer to join our team!
Posted 60+ days ago | Updated 9 hours ago

Structural Engineer - Rail and Transit - Hybrid Remote

Parsons Services Company

•

Remote or Washington, District of Columbia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is now hiring an experienced Structural Engineer (Hybrid Remote with 3 days/
Posted 13 days ago | Updated 9 hours ago

Lead Configuration Engineer

Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0223086 Configuration Engineer, Lead Key Role: Lead the planning, implementation, and maintenance of software configuration management process across multiple development teams and product baselines. Establish and enforce version control strategies, including branching, tagging, and release practices. Maintain and evolve baseline tracking, including documenting changes, managing builds, and ensuring t race ability of requirements to code and documentation. Work with development tea
Posted 8 days ago | Updated 10 hours ago

Principal System & Data Integration Architect

Technology Navigators

•

Remote

Full-time

No sponsorship. No third-party/C2C candidates. Principal Software Engineer Remote (CST or EST ONLY) This is an exclusive, off-market opportunity. Our executive client searches are confidential. Apply now to learn more about this unique new position! What you get to do: Design and develop modern microservices, APIs, and data pipelines that power criticalapplications Contribute to both new cloud-native product lines (NodeJS, TypeScript, React, Redis, Elasticsearch) and legacy systems (C#, Azur
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Posted 16 days ago | Updated 4 hours ago

Sr. Machine Learning Engineer

SAIC

•

Ashburn, Virginia, USA

Full-time

Job ID: 2508254 Location: ASHBURN, VA, US Date Posted: 2025-08-06 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description Position Summary We are currently seeking a motivated, career and customer-oriented Senior Machine Learning Engineer to join our team in Ashburn, VA. Job Responsibilities: Working closel
Posted 2 days ago | Updated 7 hours ago

Lead Product Software Engineer

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0220496 Product Software Engineer, Lead The Opportunity: We're looking for a Sof tware Engineer to join our internal Product Engineering team-a dynamic group of innovators passionate about redefining the market through cutting-edge technology. This role is ideal for a self-starter, visionary, "10x-type" engineer who thrives in high-impact environments and is eager to build and operate always-on, secure, and scalable sof tware services. As a seasoned sof tware engineer at Booz Allen,
Posted 60+ days ago | Updated 10 hours ago

Network Engineer

CompQsoft,Inc .

•

Washington, District of Columbia, USA

Full-time

CompQsoft is seeking a Senior Network Engineer to join our team of qualified, diverse individuals at Pentagon for the DISA program. Job Description: Outstanding mathematics and IT abilities - Configuring and installing various network devices and services -Monitoring network performance and resource utilization, trending, capacity planning -Use of current and emergent network design principles and protocols -Experience with network virtualization technologies -Experience with multi-tenant networ
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Posted 60+ days ago | Updated 1 day ago

Lead C++ Developer

Byteware Inc.

•

Manassas, Virginia, USA

Contract

Code, test, review Client software using technologies including C++, OCI/ProC, Oracle PLSQL,SQL, Unix, Perl, Python and XML. Requirement analysis and Design of new features and enhancements to existing components. Produce / Update solution paper, design document, support set-up of test environment, write unit test driver, functional drivers and provide support to test environment, QA and Production as necessary. SPECIFIC SKILLS C++ Linux Shell scripting, Perl, Python & other scripting Oracle - P
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Posted 1 day ago | Updated 1 day ago