Sr. Software Engineer Jobs in Washington

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Senior Staff AI Engineer - LLM inference optimization

Yoh - A Day & Zimmerman Company

Remote or San Jose, California, USA

Full-time

Senior Staff AI Engineer LLM inference optimization Roles and Responsibilities: Design and architect technical solutions to deliver foundational AIOS capabilities within SkyOS across ECU domains in electric vehicles (EVs).Lead the development of proof-of-concept projects to evaluate architectural designs for functionality, performance, security, and reliability.Collaborate closely with engineering teams to understand real-world development constraints and ensure high-quality implementation, val

Senior Electrical Engineer 1 - Grid

Sargent & Lundy LLC.

Elkridge, Maryland, USA

Full-time

Description This position offers you the opportunity to work in a project team environment with other engineers and designers involved in the detailed electrical design and project management of high voltage substation projects. As a Substation Electrical Engineer, you will take an active role in project conceptualization, work planning, and project execution.You will work on challenging assignments that include investigating, trouble-shooting, and solving a wide variety of electrical engineeri

Senior FPGA Engineer, Electronic Warfare

Aduril Industries

Chantilly, Virginia, 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

Senior Field 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 Senior Field Engineer to join our team!

Sr. Technical Support Engineer, US Government, VM Specialist

PaloAlto Networks

Reston, Virginia, USA

Full-time

Company Description ** To comply with U.S. federal government requirements, U.S. citizenship is required for this position. ** Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovato

Lead Software Engineer

Parsons Services Company

Remote or Colorado Springs, Colorado, 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 seeking an amazingly talented Software Engineer Lead to join our growing

Senior Technical Support Engineer, Focused Services

PaloAlto Networks

Reston, Virginia, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Lead Software Engineer

Guardian Life Insurance Company

Remote or New York, New York, USA

Full-time

Overview In this role, you will shape Guardian's most critical customer-facing digital experiences. This position requires extensive hands-on technical experience building scalable, performant web applications in a modern cloud environment, working collaboratively with engineers, product, UI/UX, business leaders and data to create best-in-class experiences for our customers. What you will get to do: Be Creative - have the freedom to innovate, modernize and create technical solutions to solve

Senior Full Stack / UI Developer - 25k Sign on Bonus

Leidos

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Software Engineer to play a dual role in User Interface Development and Full Stack Development within our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). This position offers a chance to contribute to cutting-edge solutions in a mission-critical environment, leveraging innovative technologies to drive impactful results. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO),

Information System Security Engineer - Senior

Jacobs

Washington, District of Columbia, USA

Full-time

As a Top Secret Information Systems Security Engineer (ISSE) for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for the secure design, analysis, and test of information security systems and products. You will ensure technical documen

Lead Software Engineer - Java (Hybrid/Onsite)

Visa Inc.

Remote or Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Senior Infrastructure / Networking Engineer

RTX Corporation

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-07-14 Country: United States of America Location: MD231: 306 Sentinel Drive Suite100 AJ 306 Sentinel Drive Suite 100, Annapolis Junction, MD, 20701 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: TS/SCI without Polygraph Raytheon Company Managed by Collins Aerospace This role is primarily On-Site, with flexibilit

Missile Modeling and Simulation SW Engineer

SAIC

Arlington, Virginia, USA

Full-time

Job ID: 2507095 Location: ARLINGTON, VA, US Date Posted: 2025-06-30 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description The Missile Defense Modeling and Simulation team at SAIC is seeking a Missile Modeling and Simulation SW Engineer to support the customer in a fast-paced environment with simulation-driven assessments and prod

Test Engineer Senior

General Dynamics

Germantown, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Test Engineering Job Qualifications: Skills: Test Case Design, Test Planning, Writing Test Plans Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Test Engineer Senior supporting essential government clients pe

AWS Cloud Operations Lead/Senior Cloud Infrastructure Engineer (Kubernetes, Terraform, CloudFormation, Ansible)

VDart, Inc.

Rockville, Maryland, USA

Contract, Third Party

VDart Group i s seeking an experienced AWS Cloud Operations Lead to manage and optimize AWS cloud infrastructure in a highly regulated enterprise environment. The ideal candidate will bring hands-on expertise in AWS services, strong automation skills, and proven leadership in driving operational excellence, resilience, and performance across cloud environments. Job Title: AWS Cloud Operations Lead Location: Rockville, MD (Onsite) Duration: Long-Term Contract Rate: $Negotiable Experience & Qualif

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

Software Engineer

Modern Technology Solutions

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a TS/SCI cleared Software Engineer to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member directly impacts the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining real-time data ingestion infrastructure for a project using an agile development model. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support s

Senior Electrical Engineer - Aviation & Federal (Arlington)

Burns & McDonnell

Arlington, Virginia, USA

Full-time

Description The Senior Electrical Engineer will lead electrical design project teams to create world-class designs for new projects, alterations, and redevelopments on a variety of projects including power, process, corporate, healthcare, pipeline, airports, institutional, industrial, manufacturing, government, and military facilities. The Senior Electrical Engineer will lead the project team throughout the design and construction process, adapting electrical plans according to budget constraint

Senior Data Science Engineer (Onsite)

RTX Corporation

Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-18 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo

Lead Software Engineer - Supply Chain Replenishment

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp