Jobs in the United States

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Cyber Security & Infrastructure Engineer
Robert Half
Rockaway, NJ
- $85,000 to $90,000 USD / year
We are seeking an experienced Cybersecurity & Infrastructure Engineer to support and strengthen an organization's cybersecurity strategy, enterprise infrastructure, and technology…
Added 1 min ago
Senior Sales Representative
ZUPT LLC
United States
…combines robotics, sensors, AI and data analytics to make critical infrastructure safer and more reliable. For you, that means the best of both worlds: the close-knit culture of a…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
Senior IT Engineer
Action1
Remote, United States
We are hiring a Senior IT Engineer to strengthen our corporate IT systems and security. You will work directly with the Head of IT, share daily operations with our EU-based Systems…
Added 1 min ago
AI DevOps Engineer
Robert Half
Jacksonville, FL
We are looking for an AI DevOps Engineer to help build and scale secure, production-ready AI platform capabilities in Jacksonville, Florida. This Long-term Contract position focuses on…
Added 1 min ago
Field Engineer (Siteworks)
Bechtel Corporation
Clay, NY
…objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our…
Added 1 min ago
Area Field Engineer (Siteworks)
Bechtel Corporation
Clay, NY
…objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our…
Added 3 mins ago
Project Engineer / Sr. Project Engineer
Bachem AG
Vista, CA
The Project Engineer is responsible for the planning, design, execution, and implementation of capital projects related to manufacturing operations, facilities, utilities, and…
Added 3 mins ago
Product Support Engineer
Exegy
St Louis, MO
Exegy is seeking a highly motivated Product Support Engineer to ensure the reliability, performance, and availability of its production systems. This role involves diagnosing critical…
Added 3 mins ago
Senior Power Systems Engineer
PPM TECHNICAL SERVICES, INC
United States Of America, TX
The Senior Systems Engineer position lies within the Balance of Plant Protection and Control Engineering team in Operations of Avangrid Power. Balance of Plants Protection and Control…
Added 4 mins ago
Radio Communications Integration and Test Engineer II
Axiom Space
United States
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth.…
Added 4 mins ago
Ground Network Engineer (Development Network) IV
Axiom Space
United States
Since Axiom Space is a very complex work environment, we are looking for a resilient, high-energy Ground Network Engineer (Development Network) (up to a level IV) to design and implement…
Added 4 mins ago
Electrical Design Engineer (Prime), Senior
Axiom Space
United States
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth.…
Added 6 mins ago
T
Radio Technician
TEKsystems
Madison, WI
- $30 to $35 USD / hour
Candidates must reside within one hour of Madison, WI or be willing to relocate prior to starting · Must reside within one hour of Madison, WI
Added 6 mins ago
Chief Engineer
Complete Building Services
Fairfax, VA
The Chief Engineer provides hands-on technical leadership and supervision for the daily operation, maintenance, and repair of building systems serving a 118-acre healthcare campus…
Added 6 mins ago
DC
Electrical Engineer
DEFTEC Corporation
Colorado Springs, CO
- $110,000 to $140,000 USD / year
…to completion within cost and schedule. Support facilities operations and maintenance (O&M) by developing long-range infrastructure priorities and conducting facility…
Added 7 mins ago
System Development Engineer, Release Engineering and System Test
Amazon Data Services, Inc.
Cupertino, CA
…services, and our success depends on world-class network and server infrastructure operating at massive scale with rapid integration of emerging technologies. We're looking for a System…
Added 9 mins ago
Lead AI Engineer
Paramount
Los Angeles, CA
They must have features like retrieval augmented generation, tool or function calling, and agents
Added 9 mins ago
Network and Systems Engineer
Dynetics, Inc
Huntsville, AL
We are looking for a Network and Systems Engineer to join our team in Huntsville AL, where you will have the opportunity to configure, maintain, troubleshoot, and secure systems, network…
Added 9 mins ago
Java Software Engineer
LEIDOS, INC.
San Diego, CA
Must have an Active Secret Security Clearance
Added 9 mins ago
Mid-Level Java Software Engineer
LEIDOS, INC.
San Diego, CA
Must have an Active Secret Security Clearance

Sr. Java Software Engneer

San Diego, CA, United States

Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

Apply on leidos.wd5.myworkdayjobs.com About employer

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Job details

Pay: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Experience: BS Degree in Computer Science or relevant degree with 8-12 years of relevant professional experience
Posting language: English
Posted: Nov 12, 2026

Original job description

Leidos has a new and exciting opportunity for a Sr. Java Software Engineer in our INTEL Sector's 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 vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Sr. Java Software Engineers | San Diego (Point Loma), CA Want to make a difference? Leidos is hiring Java Software Engineers, from early-career to senior, to join our Intelligence Organization. You’ll design, develop, integrate, test, and sustain mission-focused software using cutting-edge technology onsite in Point Loma. Leidos is an industry leader in high-performance, high-reliability solutions that protect our nation and give the warfighter a decisive advantage. Depending on program needs and your experience, you may work on backend Java services, system integration, databases, secure communications, or full-stack web development. If you have big ideas, love innovation, and want to help bring the warfighter home safe, you’ll fit right in. Our 9/80 schedule (every other Friday off) lets you do meaningful work without giving up your personal life, with room to grow your skills and career across multiple disciplines.

Primary Responsibilities:

The Sr.Java Software Engineers will build and maintain web applications, including web services, full-stack development, and persistence layers. You’ll work in an Agile Scrum environment alongside a cross-functional team of engineers, information assurance, quality assurance, and customer representatives. Using clean coding practices and S.O.L.I.D. principles, you’ll deliver code that is maintainable, secure, and reliable.

Depending on assigned work and experience level, responsibilities may include:

Developing and maintaining Java-based backend services, APIs, integrations, and persistence-layer components.
Developing and maintaining full-stack web applications, including user-interface components and web services.
Translating user stories, acceptance criteria, system engineering artifacts, and technical requirements into maintainable, secure, and testable software.
Applying secure software-development principles, clean-code practices, automated testing, and established configuration-management processes.
Supporting software integration, troubleshooting, defect resolution, and deployment across development, integration, test, and operational environments.
Participating in Agile ceremonies, including sprint planning, backlog refinement, reviews, retrospectives, and technical discussions.
Collaborating with teammates to maintain a high standard of engineering rigor, code quality, test coverage, documentation, and delivery discipline.
Using approved development, build, continuous integration, test automation, and code-quality tools to support reliable software delivery.
Support development, integration, and deployment of software across on-premises, cloud-hosted, and containerized hybrid environments, collaborating with infrastructure and cybersecurity teams as needed.
Will lead complex technical efforts, influence architecture and engineering practices, mentor teammates, identify and manage technical risks, and help sustain high standards for quality, security, testing, and maintainability across the team.

REQUIRED QUALIFICATIONS:

BS Degree in Computer Science or relevant degree with 8-12 years of relevant professional experience
Must have an Active Secret Security Clearance
Knowledge with GIT or other configuration management tools
Familiarity with Spring Framework / Spring Boot or comparable application-development frameworks
Interested in Cybersecurity protocols and secure communications
Experience in Scrum Methodology or other Agile environments (e.g., SAFe, XP)
Works well in a team environment and has excellent written and communication skills
DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire)

DESIRED SKILLS / KNOWLEDGE:

Knowledge with Java Swing GUI
Knowledge with Networking / Communication Protocols such as TLS Handshake and HTTPS
Experience working with Maven
Experience with web-based (HTML, CSS, JavaScript) in a web-based environment
Experience with Web Services Architectures (REST, SOAP, AWS)
Experience with Software CM (e.g., Git, GitHub)
Experience with Continuous Integration / Quality, and DevOps concepts and tools / technologies (e.g., Ant / Maven, Jenkins, SonarQube, FishEye, Crucible, Gradle, Junit)
Experience with Build Scripts (e.g., Maven, ANT)
Experience with Agile Management Tools and Concepts (e.g., VersionOne, JIRA, Rally, etc.)
Experience with Web Server Configuration (e.g., JBOSS, Wildfly, Tomcat)
Experience with Database Development (e.g., Postgres, SQL Server, MySQL, SQLite, Oracle)
Experience in cloud environments (AWS, Azure, or hybrid)
Experience with containerized/distributed applications (e.g., Kubernetes) and/or infrastructure automation tools (e.g., Ansible, Terraform, etc.)
Experience with AI / LLM / agent-assisted development (OpenCode, Pi, Herdr, Beads, etc.)

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.

Original Posting:

November 12, 2026 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.

Pay Range:

Pay Range $107,900.00 - $195,050.00 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.

Apply on leidos.wd5.myworkdayjobs.com About employer

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Jobs in the United States