Principal Software Engineer Jobs in District of Columbia

Refine Results
781 - 800 of 1,179 Jobs

EPC Transmission Line Engineering Manager

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos is seeking a Manager of Transmission Line EPC Engineering who will manage a collaborative and dynamic team working in a fast- paced environment, solving challenging problems involved with electric transmission. The successful candidate will serve as a Lead Engineer and Subject Matter Expert on electric transmission line design projects of overhead and underground systems for some of the largest utilities and developers in the country. Projects will focus on EPC and Design-Buil
Posted 16 days ago | Updated 15 hours ago

Senior Staff Software Engineer, Marketing Technology

Airbnb

•

Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Our mission at Marketing Technology is to provide a state-of-the-art platform and measurement capabilities
Posted 60+ days ago | Updated 4 hours ago

Lead Oracle EBS Finance (Technical) Developer

USAC

•

Washington, District of Columbia, USA

Full-time

USAC's target compensation range for a new hire into this position is $120,000 - $150,000 USD per year. Actual salary may vary depending on job-related factors based on knowledge, skills, and experience, as evaluated throughout the interview process. In addition, this position may be eligible for an annual performance bonus. USAC has a comprehensive benefits package that includes Medical, Dental, Vision, 401 (k), FSA, Life Insurance, Paid Time Off, Commuter Benefits, and Wellness Programs. USAC
Posted 60+ days ago | Updated 3 days ago

Senior Manager, Platform Engineer (Unified Communication)

Capital One

•

Annapolis, Maryland, USA

Full-time

Job DescriptionSenior Manager, Platform Engineer (Unified Communication) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating seamless collaborati
Posted 60+ days ago | Updated 2 hours ago

XSOAR Cyber Security Engineer

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

Job Description A healthcare company is seeking a Principal Cyber Security Engineer to join their dynamic team. You will be responsible for identifying and defining opportunities for SOAR and implement via playbook development. This role is heavily focused on supporting the Incident Response team and their use of SOAR tools. Ideally, candidates have experience with Palo Alto's Cortex XSOAR, as well as Splunk, and knowledge with other enterprise systems such as Crowdstrike, Proofpoint, Tanium, a
Easy Apply
Posted 32 days ago | Updated moments ago

Field Network Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 35 days ago | Updated 4 hours ago

Senior Lead Platform Engineer (Cloud Operations Resilience Engineering)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Platform Engineer (Cloud Operations Resilience Engineering) Capital One Network Services has an opening for a Senior Lead Platform- Network Engineer in the Connectivity Engineering Organization. As a Platform Engineer, you will be responsible for leading and ensuring Capital One best practices and methodologies are applied to the design, deployment and operations of SD-WAN, Cisco ACI and Connectivity Engineering team projects. You will be responsible for providing technical guidan
Posted 20 hours ago

Full Stack Developer, Team Lead

Leidos

•

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development. In this role the candidate will support the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems
Posted 29 days ago | Updated 4 hours ago

Senior Staff Engineer, Human Factors (R3478)

Shield AI Inc

•

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Shield AI
Posted 50 days ago | Updated 4 hours ago

Lead AI Engineer

Capital One

•

Washington, District of Columbia, USA

Full-time

Job DescriptionLead AI Engineer At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent along with our deep experience in machine learning position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges to answe
Posted 60+ days ago | Updated 3 hours ago

ServiceNow Developer Functional Manager

SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507380 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven ServiceNow Developer Sr. Functional Manager to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full rang
Posted 5 days ago | Updated 1 hour ago

Staff Engineer - iOS

CVS Health

•

Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 60+ days ago | Updated 4 hours ago

Lead Engineer

College Board

•

US

Full-time

College Board - Technology - Item Cloud Blue Location: This is a fully remote role. Candidates who live near CB offices have the option of being fully remote or hybrid (Tuesday and Wednesday in office). Type: This is a full-time position About the Team The Item Cloud team is committed to building and driving innovation for internal-facing web applications that support College Board's core products. Our team consists of 2 small squads, each of which owns a unique, data-intensive, high-impact,
Posted 60+ days ago | Updated moments ago

Lead Security Engineer

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2506810 Location: WASHINGTON, DC, US Date Posted: 2025-06-25 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC seeks a Lead Security Engineer to assist the Department of Transportation's Cybersecurity mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cyb
Posted 18 days ago | Updated 1 hour 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
Easy Apply
Posted 33 days ago | Updated moments ago

Formal Methods Engineer

Leidos

•

Remote

Full-time

Are you interested in playing in the gray space of Research and Development and the delivery of secure and scalable production-quality reusable software? If so, we are seeking a highly skilled and experienced Principal Software Engineer with a strong background in production software delivery and formal methods, including formal modeling, verification, specification, and analysis. The ideal candidate will play a critical role in improving the quality, cybersecurity, and resiliency of software de
Posted 54 days ago | Updated 4 hours ago

Lead Machine Learning Engineer

Capital One

•

Washington, District of Columbia, USA

Full-time

Job DescriptionLead Machine Learning Engineer As a Capital One Machine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You ll participate in the detailed technical design, development, and implementation of machine learning applications using existing and emerging technology platforms. You ll focus on machine learning architectural design, develop and review model and application code, and ensure high avail
Posted 21 days ago | Updated 3 hours ago

Lead Software Engineer (Flutter)

MOURI Tech

•

Texas, USA

Contract, Third Party

Role: Lead Software Engineer (Flutter) Location: Remote Duration: 6+ Months Job Description: The Lead Software Engineer (Flutter) will spearhead the development of our application, leveraging the Pivotal Labs methodology to ensure quality, scalability, and maintainability. This role combines deep technical expertise with a passion for Agile practices, mentoring, and a commitment to excellence. What you'll do Framework Implementation: Embrace and implement the Pivotal Labs framework within the
Easy Apply
Posted 60+ days ago | Updated 12 days ago

Lead Data Security Engineer

Centene

•

Fairfax, Virginia, USA

Full-time

Job DescriptionYou could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world. As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility. Position Purpose: This role will support the Threat Infrastructure Security tools in the Centene environment. This role's focus will be Data engineering/science for a Security Data
Posted 6 days ago | Updated moments ago

Lead Security Engineer

Eliassen Group

•

Washington, District of Columbia, USA

Contract

Description: We are looking for a Lead Security Engineer to support a F500 client in the Washington, DC metro area. Location: Washington, DC Pay Rate: $55-$65/hr. W2 This is a contract-to-hire opportunity. Applicants must be willing and able to work on a W2 basis and convert to FTE following contract duration. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Key Techni
Posted 25 days ago | Updated 3 hours ago