Software Engineer (Systems) Jobs in Washington

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Sr. Systems Engineer 1

Exelon

Washington, District of Columbia, USA

Full-time

Who We Are: We're powering a cleaner, brighter future. Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and more resilient. We're powered by purpose-driven people like you who believe in being inclusive and creative, and value safety, innovation, integrity and community service. We are a Fortune 200 company, 19,0

Senior Systems Engineer

Oceaneering

Maryland, USA

Full-time

Company Profile Oceaneering Technologies (OTECH) develops, manufactures, and operates customized marine systems, shipboard equipment, subsea vehicles, and engineered solutions for commercial and U.S. military vessels. Oceaneering Aerospace and Defense Technologies (AdTech) delivers solutions that enable humans to work safely and effectively in harsh environments - from underwater to the outer reaches of space. Our innovative solutions support the development and application of practical, cost-

Cybersecurity Systems Engineer

Leidos

Linthicum Heights, Maryland, USA

Full-time

Are you seeking a new and challenging position supporting a complex, mission-critical Program? Well, look no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD. The successful candidate will participate in the development/evaluation of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents. Provide t

Principal Cybersecurity Systems Engineer

Leidos

Linthicum Heights, Maryland, USA

Full-time

Are you seeking a new and challenging position supporting a complex, mission-critical Program? Well, look no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD. The successful candidate will participate in the development/evaluation of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents. Provide t

Network Systems Engineer (IT SE III) (Government)

AT&T Inc.

Chantilly, Virginia, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

Senior Systems Engineer

GovCIO

Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to p rovide administration and tier 3 operational support for servers, workstations, and applications in a Windows Active Directory environment. This position will be located in Merrifield, VA, and will be a fully onsite position. Responsibilities Provide administration and tier 3 operational support for servers, workstations, and applications in a Windows Active Directory environment.Provide sup

Senior Systems Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you a "systems thinker" with advanced systems engineering experience that wants to have impact on nationally important defense programs? Do you love working with a group of dedicated technical specialists in a dynamic environment? If so, we 're looking for someone like you to join our team at APL. We are seeking a Senior Systems Engineer for the Systems Engineering Group in the Force Projection Sector. We provide vital systems engineering and system development expertise to n

Information Technology - Engineer, Systems Ld

Lumen Solutions Group Inc.

Reston, Virginia, USA

Contract

About us: Lumen Solutions Group Inc., a dynamic small and minority-owned, Disadvantaged Business Enterprise headquartered in Florida, USA. As a leading consulting services and solutions provider, we focus on IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation for our clients. Our client base includes Fortune 500, Government, non-profit and emerging growth companies. Job Description: PURPOSE: Defines, designs and develops system requi

Reverse Engineer for RF Systems

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you interested in applying your signal processing experience to reverse engineer systems that communicate wirelessly? Do you love working on a multi-disciplinary set of problems and delivering new capabilities that are deployed in the real world? If so, we want you to join our group of offensive cyber experts! We seek tenacious self-starters who will develop their technical skills in service of inventive capabilities and novel RF solutions. We work in a dynamic, mission driven

Senior Missile Defense Systems Modeling and Analysis Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you looking for exciting opportunities to lead efforts to model, analyze, and develop state of the art concepts in integrated and layered missile defense involving kinetic and non-kinetic capabilities? Do you love working in an exciting and collaborative environment to tackle challenging technical problems? Do you want to have a tangible impact on the world around you and contribute to solving critical challenges that face the country? If so, we 're looking for someone like yo

Senior Missile Systems Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you interested in the development and evaluation of our nation 's premier missile systems? Do you enjoy solving challenging problems with a complementary team of engineers? If so, we're looking for someone like you to join our team at APL. We are seeking an engineer to help us develop performance requirements and plan test & evaluation activities on Navy strategic missile systems. You will perform trade studies, performance assessments, and support conceptual design studies o

Data Analyst/Systems Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you passionate about defending our nation against challenging real-world air and missile threats? Are you searching for an opportunity to apply your engineering background in an engaging, inquisitive environment? If so, we're looking for someone like you to join our team at APL! Our dedicated team is passionate about providing high-impact analysis and system engineering solutions to support our warfighters. As a part of our team, you will address real warfighter challenges, i

Senior Mission / Systems Engineer

RTX Corporation

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-07-23 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 flexibili

Principal Mission / Systems Engineer

RTX Corporation

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-07-23 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 flexibili

Information Systems Security Engineer

Cornerstone Defense

Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3709 Title: Information Systems Security Engineer Location: Annapolis Junction, MD Compensation Range: $195 -$215K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work

Systems Engineer 2

Jacobs

Annapolis, Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Systems Engineer to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Responsibilities: The Analytic Hosting Services (ANSWERLAKE) team is sourcing for a technical system engineer to join an existing

Linux Systems Engineer

ALTA IT Services

Herndon, Virginia, USA

Full-time

Linux Systems Engineer TS/SCI Clearance is required Herndon, VA - ONSITE ALTA ITS is seeking a Linux Systems Engineer (Tier ll) to work for a government contractor in the Herndon, VA area. This is an exciting opportunity to bring your skills to the table and learn new skills. This position is a part of a US-based operations team backed by expert international developers and application engineers. You will be directly involved in systems planning, installation, commissioning, site surveys, and

Sr Associate, Systems Engineer (Herndon, VA)

Harris Corporation

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Mid-Level Systems Engineer

BOEING

Herndon, Virginia, USA

Full-time

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Boeing Defense, Space and Security (BDS) is looking for a Mid-Level Systems Engineer (Level 3) to support a proprietary program in Herndon, Virginia. This unique role requires an understanding of engineering processes and the ab

Mid-Level Systems Engineer

Boeing Company

Herndon, Virginia, USA

Full-time

Mid-Level Systems Engineer Company: The Boeing Company Boeing Defense, Space and Security (BDS) is looking for a Mid-Level Systems Engineer (Level 3) to support a proprietary program in Herndon, Virginia. This unique role requires an understanding of engineering processes and the ability to communicate engineering requirements into a contractually sound technical baseline. The individual must be enthusiastic and hands on in their approach and possess excellent organizational, leadership and wr