Jobs at Leidos
26,589 open positions
Leidos is a leading technology and engineering company that delivers solutions for defense, civil, and health agencies. With a focus on cyber, AI, and systems integration, Leidos helps clients protect critical infrastructure and innovate across national security and public health.
Leidos hires a wide spectrum of talent—from software engineers and data scientists to cybersecurity analysts, systems integrators, and project managers. Candidates can expect competitive benefits, continuous learning opportunities, and projects that have real‑world impact on government and commercial customers.
Checking Leidos listings on Job Transparency gives you instant access to salary ranges, employee sentiment, and market benchmarks, letting you negotiate confidently and find the best match for your career goals.
Network Engineer
Company: Leidos
Location: Worcester, United Kingdom
Posted Oct 04, 2024
Leidos is seeking a Network Engineer with DV clearance for a role in Herefordshire. The successful candidate will support production network services, perform installations, and apply configurations. They will also monitor the technology landscape for improvements. Essential requirements include Cisco CCNA or CompTIA N+ certification, experience in a Network Operations Centre, and the ability to document processes and procedures. Desirable skills include CCNA Collaboration, ITIL certification, and experience with encryption devices and network monitoring tools.
Senior Firewall Engineer
Company: Leidos
Location: Alexandria, VA
Posted Oct 04, 2024
Leidos is currently seeking a Firewall Engineer with a minimum of 8 years of experience in the DOD environment. The candidate must have a minimum DoD Secret security clearance and be able to obtain TS/SCI. They should have certifications that satisfy DoD-8570 IAT Level 2 requirements and be proficient in managing standard baseline configuration across numerous firewalls. The role involves supporting the Firewall and load balancer Assurance Program (FAP) to ensure Firewall and load balancer security compliance, identifying misconfigurations, and optimizing rule-sets. The pay range is $101,400.00 - $183,300.00.
System Administrator/Machine Learning Ops
Company: Leidos
Location: Chevy Chase, MD
Posted Oct 04, 2024
This job posting is for a System Administrator role with a focus on AI/ML and DS. The successful candidate will work on a major program advancing big data analytics and predictive analytics, delivering cutting-edge data science capabilities for national security. The role involves working with a cross-functional team, supporting multiple work packages, and optimizing system functions. Required qualifications include a bachelor's degree or equivalent with 8+ years of experience in system administration, active TS/SCI clearance, and strong experience with AWS/C2S and Linux OS. Additional skills include proficiency in scripting languages, active learning, and creative problem-solving.
Environmental Project Manager
Company: Leidos
Location: Remote
Posted Oct 04, 2024
Leidos is currently hiring for Environmental Project Managers to join their experienced consulting team. The role involves managing federal environmental projects, including CERCLA and RCRA investigations, feasibility studies, and more. The ideal candidate should have a Bachelor's degree in Engineering, Environmental Sciences, or a related field, and at least 8 years of experience managing federal and state environmental projects. Knowledge and experience with PFAS emerging contaminant issues is also desired. The pay range is $87,100.00 - $157,450.00.
Software Engineer
Company: Leidos
Location: Huntsville, AL
Posted Oct 04, 2024
Leidos Defense Systems is seeking a Software Engineer with strong C++ skills to join a growing team. The role involves translating interface requirements into software requirements, performing software design, and implementing software features in an agile environment. The candidate should be comfortable working in a Linux environment and have experience with Docker. Familiarity with networked Command and Control systems is highly desirable. The primary responsibilities include software development, analyzing user requirements, modifying existing software, designing and coding new software, integrating software into systems, writing documentation, and participating in test procedures. The candidate must have a Bachelor's degree in Computer Science or a related discipline, at least two years of experience as a software engineer, and experience with C++ and MATLAB. Knowledge of radar and tracking concepts, experience with C2 data exchange formats, and experience with test and integration in distributed simulation environments are preferred. The job is located in Huntsville, AL, and the pay range is $65,000.00 - $117,500.00.
Material Planner
Company: Leidos
Location: Remote
Posted Oct 04, 2024
Leidos is hiring for a Material Planner position in Reston, VA. The role involves working with programs to generate material requirements, support acquisition plans, and interface with various teams to ensure program milestones are met. The ideal candidate should have a BA degree, strong Microsoft Office skills, and experience in materials management. Preferred qualifications include buying experience, supply chain management experience, and knowledge of Federal Acquisition Regulation (FAR) requirements.
Communications Specialist
Company: Leidos
Location: Reston, VA
Posted Oct 04, 2024
The Defense Enclave Services contract aims to unify the DoD Fourth Estate Defense Agencies and Field Activities' (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA's Fourth Estate Network Optimization program office. This will result in a common, modernized network architecture, DoDNet, providing enhanced user experience, improved security, and network reliability. The Communications Specialist role, part of the Customer Experience team, involves developing high-quality, accurate, and user-friendly communications for a large set of customers, stakeholders, and leadership. The role requires collaboration with various teams to understand technical content and execute successful communications campaigns. The job requires a BA degree and 8-12 years of relevant experience or a Master's degree with 6-10 years of relevant experience, along with a DoD SECRET or above clearance. Preferred qualifications include experience in an IT environment, executive communications, change management, and advanced proficiency in Microsoft Office Suite.
Senior Substation Protection and Control Engineer
Company: Leidos
Location: Houston, TX
Posted Oct 04, 2024
Leidos is seeking a Senior Substation Protection & Control Engineer for a dynamic role in designing substation protection and control projects for electric utilities. The position offers opportunities for career growth, including obtaining EIT, PE, and PMP certifications. The ideal candidate will have a Bachelor's degree in electrical engineering and several years of experience in substation protection control design and/or field testing/commissioning. Key responsibilities include designing electrical projects, interfacing with clients, and collaborating with other engineering disciplines. The role offers a fast-paced work environment, flexible work hours, and the chance to lead and grow a team.
Software Developer
Company: Leidos
Location: Worcester, United Kingdom
Posted Oct 04, 2024
Leidos, a global leader in technology, engineering, and science, is seeking a Software Developer to join their National Security & Defence team. The role involves developing tools and techniques, generating and managing requirements, designing technical solutions, and providing software development. The ideal candidate should be proficient in C++, Java, or Rust, have experience with IDEs and toolchains, and be adaptable to new technologies. Knowledge of communication protocols, USB communication, and wireless protocols is desirable. The position requires DV clearance, making it suitable for British Citizens with a 10-year residency in the UK. Leidos offers a collaborative culture, career development opportunities, and a competitive benefits package.
Endpoint Device Management Engineer
Company: Leidos
Location: Gaithersburg, MD
Posted Oct 04, 2024
Leidos is seeking an Endpoint Device Management Engineer for the Federal Trade Commission (FTC) contract. The role involves engineering, deploying, and providing sustaining engineering support for endpoint device management, including Tier 3 end user support. The candidate will work independently in a fast-paced environment, driving positive operational outcomes and customer service delivery. They will review existing Tier 2 solutions, enhance speed to resolution, and contribute to designing and building cutting-edge solutions. The successful candidate should have strong time and task management, critical thinking, problem-solving skills, and the ability to communicate complex problems concisely. The position requires a bachelor's degree with a minimum of 4 years of relevant experience or a master's degree with a minimum of 2 years of experience in endpoint device management and Tier 3 end user support. Knowledge and experience with FISMA, SP800-53 Rev5, and M-22-09 Zero Trust principles are essential. The role involves strategic planning for ongoing engineering designs, development, and improvement of infrastructure, with a focus on endpoint device management. The pay range for this job level is $61,750.00 - $111,625.00.
Software Developer Senior
Company: Leidos
Location: Reston, VA
Posted Oct 04, 2024
Leidos is seeking a Software Developer for a prestigious program delivering modern Identity Access Credential Management (ICAM) solutions. The role involves working on both front-end and back-end aspects of systems, utilizing technologies such as Cloudformation scripts, Python, Java, Neo4j, Elasticsearch, and NodeJS PM2. The company offers competitive benefits, including paid time off, flexible schedules, and education and training support. The ideal candidate should have an active TS/SCI with Polygraph, strong Java programming skills, and experience with Agile workflows and the Spring framework.
Software Engineer
Company: Leidos
Location: Annapolis Junction, MD
Posted Oct 04, 2024
Leidos is seeking a Software Engineer to join a high-performing agile team using SAFe methodology for a significant cryptographic key management program. The role involves software development, testing, and deployment, with opportunities for server-side business logic, client web application, and UI development. The ideal candidate should have a Bachelor's degree and 4-8 years of relevant experience, or a Master's with 2-6 years of experience. Demonstrated experience with Java is required, along with familiarity with multiple technologies including Python, C/C++, SQL, and various tools. Experience with Agile development practices, BDD, and SAFe methodology is preferred. The role requires strong software development principles, effective communication, and the ability to work independently and collaboratively in a fast-paced environment. A TS/SCI with Polygraph security clearance is required.