Fareham, England, United Kingdom · Hybrid
$37k–$46k/yr
Software Engineer – Air Traffic Management Location: Whiteley, Hampshire (3 days in the office 2 days WFH) Security Clearance: Must hold or be eligible for SC clearance We are looking for a Software Engineer to join our …
Skills: Ada, C, C++, Linux, Waterfall
El Segundo, California, United States · On-site
$73k–$133k/yr
The National Airspace Systems Integration Support (NISC) program at Leidos is seeking a Telecommunications Engineering Technician to provide support to the Federal Aviation Administration (FAA) Central Service Area - Eng…
Skills: Telecommunications Engineering, Network Troubleshooting, AutoCAD, Site Survey Reporting, Project Risk Planning
United States · On-site
$108k–$195k/yr
Candidate must have an NSF security clearance to be considered. Leidos is in search of a talented Marine Fleet Coordinator to join the Antarctic Support Contract (ASC) team. The Marine Fleet Coordinator acts as the most …
Skills: Vessel Operation, Marine Maintenance, Coastal Navigation, Electronic Navigation, Dead Reckoning
Leominster, England, United Kingdom · Hybrid
$58k–$75k/yr
Network Engineer Location: Herefordshire Clearance Required: This role will require DV clearance. We are in search of a Network Engineer for our Leidos engineering capability. The successful Network Engineer will have a …
Skills: Network Engineering, Systems Engineering, CCNP, Network Diagnostics, Network Analytics
Shiloh, Illinois, United States · On-site
$59k–$107k/yr
Our customer, the Defense Information Systems Agency (DISA), provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the department of Defense (DoD)…
Skills: Network Engineering, BGP, ISIS, VLAN, TCP/IP
Fort Meade, Maryland, United States · On-site
$108k–$195k/yr
Leidos is seeking a Cyber Analyst to join our team at Ft Meade, MD. This position will support the DISA GSM-O II Task Number 07 (TN07). GSM-O II provides network operations and cyber defense support to the Defense Inform…
Skills: Cyber Security Analysis, Threat Analysis, Defensive Strategies, Network Monitoring, IP Addressing and Subnetting
San Diego, California, United States · On-site
The successful candidate will be a Member of the Towed System Intermediate Maintenance Activity (TS IMA) team in San Diego, CA. This site provides direct fleet support with towed acoustic systems installed on submarines …
Skills: Electrical Testing, Troubleshooting, Array Assembly, Physical Inspection, Electronic Test Equipment
Huntsville, Alabama, United States · On-site
$87k–$157k/yr
Looking for an opportunity to make an impact? We’re hiring RF Seeker Engineers at multiple levels. Leidos Defense Sensors is seeking multiple RF Seeker Engineers across various experience levels to join our Sensor Resear…
Skills: RF Seeker Signal Processing, MATLAB, Python, C++, Radar Design
Beavercreek, Ohio, United States · On-site
$108k–$195k/yr
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, contribut…
Skills: C++, Python, Object-Oriented Programming, Data Structures, Algorithms
Beavercreek, Ohio, United States · On-site
$131k–$237k/yr
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, contribut…
Skills: AFSIM, Python, Operational Analysis, Digital Engineering, Data Analytics
Rockville, Maryland, United States · Hybrid
$131k–$237k/yr
Are you ready to thrive? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Join Leidos’ all-star team supporting the Defense Intelligence Agency’s…
Skills: AI/ML Production Engineering, LLMOps, MLOps, RAG Architectures, AI Orchestration Frameworks
Marysville, California, United States · On-site
$59k–$107k/yr
Leidos is hiring licensed behavioral health professionals to join our Adult Military and Family Life Counseling (MFLC) team to support Beale AFB, CA. Join the mission to support U.S. military service members and their fa…
Skills: Behavioral Health Counseling, Crisis Intervention, Case Management, Outreach, Clinical Consultation
Charleston, South Carolina, United States · On-site
$108k–$195k/yr
Leidos is anticipating a new contract award with the Naval Information Warfare Center (NIWC) Atlantic in support of all aspects of the Defense Health Enterprise Application and Desktop Virtualization Support Group, suppo…
Skills: Cloud Architecture, DevSecOps, VDI, Hybrid Cloud Engineering, AWS GovCloud
Huntsville, Alabama, United States · On-site
$70k–$126k/yr
We’re hiring Software Developers at multiple levels. Leidos Defense Sensors is seeking multiple Software Developers across various experience levels to join our Sensor Research and Analysis Division and support critical …
Skills: C++, Java, GitLab, Red Hat Enterprise Linux, Agile
Fort Meade, Maryland, United States · On-site
$108k–$195k/yr
Leidos has new and exciting opportunities for experienced a Data Scientists in our Intelligence Sector, Cyber & Analytics Business Area (CABA). The work focuses on applying your AI/ML experience to assess large datasets …
Skills: Python, C/C++, SQL, Spark, Tableau
North Charleston, South Carolina, United States · On-site
$108k–$195k/yr
Leidos is anticipating a new contract award with the Naval Information Warfare Center (NIWC) Atlantic in support of all aspects of the Defense Health Enterprise Application and Desktop Virtualization Support Group, suppo…
Skills: DevSecOps, Kubernetes, Redhat OpenShift, AWS GovCloud, Microsoft Azure GovCloud
Charleston, South Carolina, United States · On-site
$87k–$157k/yr
Leidos is anticipating a new contract award with the Naval Information Warfare Center (NIWC) Atlantic in support of all aspects of the Defense Health Enterprise Application and Desktop Virtualization Support Group, suppo…
Skills: VDI, VMWare View/Horizon, Citrix Virtual Apps and Desktops, Azure Virtual Desktop, Amazon Workspaces
McLean, Virginia, United States · On-site
$87k–$157k/yr
The Health and Services Sector of Leidos is seeking an innovative, hands-on engineer to join our Saxton Lab Team as a Mid-Level OT/IT Network & Cybersecurity Engineer! Our team operates the Federal Highway Administration…
Skills: OT/IT Networking, Cybersecurity, V2X Communication, Network Design, Firewall Administration
Melbourne, Victoria, Australia · On-site
Accrue up to an extra 12 days of leave per year through our Life Days program. Work with world leading technology business at the forefront of innovation. We’re a ‘Family Friendly’ certified workplace – we understand th…
Skills: Kubernetes, Rancher, Jenkins, Ansible, Linux Administration
Huntsville, Alabama, United States · On-site
$131k–$237k/yr
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, contribut…
Skills: Portfolio Management, P&L Management, Program Management, Defense Acquisition, Proposal Development
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The role involves developing and maintaining safety-critical, real-time Air Traffic Control systems across the full software lifecycle. Responsibilities include resolving system issues, designing software solutions, and producing technical documentation.
Candidates must have proven experience in software development using Ada, C, or C++ on Linux systems following Waterfall or V-Model approaches. Eligibility for SC security clearance is required.
Location: Whiteley, Hampshire (3 days in the office 2 days WFH)
Security Clearance: Must hold or be eligible for SC clearance
We are looking for a Software Engineer to join our Air Traffic Management (ATM) programmes. This role offers the opportunity to work on safety‑critical, real‑time Air Traffic Control systems, supporting customers who depend on highly reliable software every day.
You’ll work as part of a multi‑disciplinary engineering team, contributing across the full software lifecycle — from requirements and design through to delivery and operational deployment. The role involves working on multiple applications, so it suits someone who enjoys variety and structured problem‑solving.
This role will be based at our Whiteley, Hampshire site on Tuesday, Wednesdays and Thursdays ideally during the training period, and then move to a more flexible hybrid model.
What we do for you:
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.
We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:
We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages, please let us know, and we will respond in a way that best fits your needs.
Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.
Working together as Team Leidos we are helping to transform the UK's defence supply chain by providing an integration of a complex mixture of services, at low risk, using a modern suite of systems that will deliver one version of the truth. For the first time, the MOD will see the whole picture, as it is happening.
Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that that enhance your future.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
