Leidos Jobs in Ashburn, VA

Refine Results
241 - 260 of 347 Jobs

Network Engineer

Leidos

Springfield, Virginia, USA

Full-time

We are seeking a Network Engineer who is responsible for the design, configuration, maintenance, and optimization of enterprise network environments. This role supports multiple network domains and plays a key part in ensuring secure, reliable, and high-performance connectivity across the organization. The engineer collaborates closely with cybersecurity, systems, and application teams to ensure seamless infrastructure integration and compliance with federal and DoD standards. Leads troubleshoot

Network Tools Administrator

Leidos

McLean, Virginia, USA

Full-time

Network Tools Administrator Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds lik

Principal Java Developer

Leidos

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Java Developer 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 and immediate vesti

OCONUS Field Engineer - TS/SCI Polygraph Required

Leidos

Chantilly, Virginia, USA

Full-time

We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as such, this individual must be an excellent problem solver and work well in a collaborative team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowle

Voice and Data Communications Analyst

Leidos

Arlington, Virginia, USA

Full-time

Description Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep readin

Systems Administrator

Leidos

Springfield, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and maintenance of enterprise systems and associated hardware. The ideal candidate will play a key role in supporting IT infrastructure, ensuring system reliability, performance, and security across physical and virtual environments. Primary Responsibilities: Install, configure, and maintain systems, including servers a

Network Engineer

Leidos

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, managing multiple workstations and network hardware across multiple customer sites and the cloud. We are seeking a skilled Network Engineer to deploy, monitor, and maintain network systems that meet Department of Defense (DoD) specifications. In this role, you will implement secure network architectures, monitor and operate customer netw

Full Stack Developer

Leidos

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Full Stack Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing

IT Project Manager

Leidos

Chantilly, Virginia, USA

Full-time

Leidos is seeking an experienced Technical Project Manager (PM) to lead and track the development and implementation of complex, strategic initiatives across multiple service teams. This role requires strong project management skills and the technical acumen to understand and coordinate system-level functions. The successful candidate will ensure alignment with strategic goals, manage dependencies, and support execution from planning through delivery. Responsibilities Oversee and manage the lif

Voice and Data Communications Analyst

Leidos

Arlington, Virginia, USA

Full-time

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! Position

User Interface (UI) Developer

Leidos

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a User Interface (UI) Developer with strong systems, software, and Agile experience to support a complex program to provide Agile development for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of en

Mobile Application Developer

Leidos

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures. In this hands-on position, you will work collabora

Principal Technical Scrum Team PM (SPM)

Leidos

Reston, Virginia, USA

Full-time

Principal Technical Scrum Team PM (SPM) Leidos has a new and exciting opportunity for a Technical Scrum Team PM (SPM) 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, Im

Junior Mechanical Engineer

Leidos

Springfield, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a Junior Mechanical Engineer who will support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for mission-critical operations in government, commercial, and institutional facilities. Working under the guidance of senior engineers, this role involves assisting with system layout, equipment selection, energy modeling, and construction documentation. The ideal candidat

Elasticsearch Systems Engineer (SME)

Leidos

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Elasticsearch Systems Engineer (SME) 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 and imm

AWS Admin/Full Stack Developer

Leidos

Chantilly, Virginia, USA

Full-time

Are you interested in created cloud-based solutions to meet our customers' challenging missions? We are seeking an AWS Admin/Full Stack Developer motivated by variety, is seeking a challenging environment for professional growth, and is interested in supporting a dynamic program for one of our national security clients. The AWS Admin/Full Stack Developer will design, develop, deploy and support technical solutions in a collaborative team environment. This position requires an experienced, self-m

DevOps Scrum Team PM (SPM)

Leidos

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a DevOps Scrum Team PM (SPM) 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, Immediate Vesting in our 401K, Flexible Schedu

Load Balance Network Engineer (SME)

Leidos

Alexandria, Virginia, USA

Full-time

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the kind of environment where you can thrive, keep reading! The Digital Moderniza

Software Developer

Leidos

Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area

Transmission Planning Engineering Manager

Leidos

Remote

Full-time

Leidos offers its knowledge and expertise over a wide area of cutting-edge energy technologies and independent oversight, combined with proven business acumen. Building our work for publicly and privately owned utilities, financial institutions and local governments, we are able to provide our clients with business insight into all sectors of the infrastructure industry. We are seeking a Transmission Planning Engineering Manager who will lead dynamic team within our Energy & Systems Solutions, a