Principal, Software Engineer Jobs in District of Columbia

661 - 680 of 1,078 Jobs

Staff Engineer, Future Concepts (R3521)Job Title - Staff Engineer, Future Concepts (R3521)

Shield AI IncCompany Name - Shield AI Inc

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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., Boston, 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 Sh

Lead Research EngineerJob Title - Lead Research Engineer

Aduril IndustriesCompany Name - Aduril Industries

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Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Lead Machine Learning EngineerJob Title - Lead Machine Learning Engineer

Capital OneCompany Name - Capital One

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McLean, Virginia, USA

Full-time

Lead 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 availability and pe

Lead Security EngineerJob Title - Lead Security Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Washington, District of Columbia, USA

Full-time

Must Be able to obtain a Public Trust Description The Lead Security Engineer will assist the Cybersecurity Team's mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and underlying infrastructure. These information systems and their supporting infrastructure support the DOT mission of managing and main

FPGA Design EngineerJob Title - FPGA Design Engineer

PTR GlobalCompany Name - PTR Global

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Fort Meade, Maryland, USA

Full-time

Title - FPGA Design Engineer (Must currently possess an active TS/SCI Clearance with Full-Scope Polygraph (FSP) Location: Onsite in Ft. Meade, MD Duration -Permanent role Salary Range: $200,000 - $225,000, with flexibility based on experience We are currently seeking FPGA Design Engineers with an emphasis on FPGA or ASIC design, development, and verification using SystemVerilog, Verilog, or VHDL. The design engineer will work closely with software and system engineers to conceptualize, document,

Applied AI Engineer, LeadJob Title - Applied AI Engineer, Lead

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

Motion Recruitment delivers IT Talent Solutions across North America. Our specialized team-based recruitment model's success is proven through our track record in filling the most challenging IT positions for startup and enterprise clients. Areas of expertise range across Software, Mobile, Data, Infrastructure, Cybersecurity, Product, and UX. We're also the proud creators of Tech in Motion and the Timmy Awards, our community event series and award program connecting tech enthusiasts to meet, lea

Lead Observability EngineerJob Title - Lead Observability Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0223749 Observability Engineer, Lead The Opportunity: Are you obsessed with what's under the hood? Do you dream in t race s, logs, and metrics? Ready to build a high-performing observability engine that powers reliability, speed, and insight at scale? We are looking for a Lead Observability Engineer to help advance and integrate observability capabilities across our enterprise platforms. This role is both strategic and hands-on -ideal for someone passionate about improving visibili

Senior Engineering Manager / Software - Flight Simulation (Onsite)Job Title - Senior Engineering Manager / Software - Flight Simulation (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Senior Engineering Manager / Software - Flight Simulation (Onsite) The Simulation & Training Solutions (STS) Software Engineering de

Senior Technical WriterJob Title - Senior Technical Writer

Decisionpoint CorporationCompany Name - Decisionpoint Corporation

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Fort Meade, Maryland, USA

Full-time

Overview DecisionPoint Corporation is seeking a Senior Technical Writer to join our team on an upcoming Defense Information Systems Agency (DISA) J-3/5/7 Operations and Strategic Support contract based at DISA Headquarters, Fort Meade, MD and MacDill AFB, FL, with flexible telework options. This opportunity involves supporting DISA's J-3/5/7 Directorate, which directs and synchronizes the DISA Network (DISN) to enable Joint Cyberspace Operations. The contractor will contribute to operational pla

EDI ArchitectJob Title - EDI Architect

York Solutions, LLCCompany Name - York Solutions, LLC

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Remote

Contract

Required Technical Skills Experience with cloud-native architecture. Golang, Python AWS, Terraform, Kubernetes in federated mode. Experience with compliance standards (HIPAA, SOC, PII) is beneficial. Nice to have: distributed systems and Rust tech stack. Desired Candidate Traits High level of autonomy and self-direction. Collaborative mindset while being able to take ownership. Comfortable operating with vague requirements. Experience in multi-faceted enterprise environments preferred. We are

Full Stack Lead Developer- VPJob Title - Full Stack Lead Developer- VP

CitiCompany Name - Citi

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Remote or Jacksonville, Florida, USA

Full-time

Job Description Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates econom

Senior Staff Engineer, Infrastructure (R3200)Job Title - Senior Staff Engineer, Infrastructure (R3200)

Shield AI IncCompany Name - Shield AI Inc

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Washington, District of Columbia, USA

Full-time

Lead Engineer - Properties, Demand PlanningJob Title - Lead Engineer - Properties, Demand Planning

Target CorporationCompany Name - Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $128,000.00 - $231,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life

Lead MUMPS & VistA DeveloperJob Title - Lead MUMPS & VistA Developer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Remote

Full-time

Job Number: R0223026 MUMPS & VistA Developer, Lead The Opportunity: Are you looking for an opportunity to not just develop software, but to build a system that will positively impact the lives of our nation's Veterans? As a Lead MUMPS developer, you can solve a problem with a complete end-to-end solution in a fast-paced, Agile environment. We're looking for a Lead developer with the advanced skills needed to diagnose and fix issues affecting VistA Scheduling products for our Veterans Affairs cli

Lead Application Development EngineerJob Title - Lead Application Development Engineer

Centene CorporationCompany Name - Centene Corporation

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Texas, USA

Full-time

You 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: Designs, develops, and implements complex enterprise software solutions. Collaborates closely with technical and non-technical roles such as data modelers, architects, business a

Lead Engineer - Operations InnovationJob Title - Lead Engineer - Operations Innovation

Target CorporationCompany Name - Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

Full Stack Developer, Team LeadJob Title - Full Stack Developer, Team Lead

LeidosCompany Name - Leidos

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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

XSOAR Cyber Security EngineerJob Title - XSOAR Cyber Security Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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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

Lead Operating EngineerJob Title - Lead Operating Engineer

Cushman & WakefieldCompany Name - Cushman & Wakefield

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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

Senior Full Stack EngineerJob Title - Senior Full Stack Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Remote

Full-time

Job Number: R0222649 Full Stack Engineer, Senior The Opportunity: Are you looking for an opportunity to leverage your Software Engineering expertise in a high-impact role? Booz Allen is building a next-generation end-to-end platform for Development, Testing, and Production workloads to accelerate secure software development. We're looking for a Lead Full Stack Engineer to join the team. You'll work in a Professional Service role, working with teams to leverage our platform. You should thrive in