LEIDOS seeks a software developer for work in a dynamic environment supporting operations, data analysis, and data visualization tools. The candidate will work closely with the customer and product users to solve complex data-driven problems throughout the entire software development lifecycle of both existing and new applications. The ideal candidate has the capacity to work both front and back-end portions of a software environment. The candidate will participate in software requirements elicitation, design and development, troubleshooting, system backup/restore, and software enhancements. The candidate is expected to analyze and solve complex use case problems and adhere to well established software design and development principles. A strong candidate will be a self-starter and energized by the capability to learn and implement new skills across both software engineering and user domains.
Candidates who do not currently possess an active TS/SCI will not be considered.
On-Site Requirement:
The position requires on-site presence at Joint Base San Antonio.
Key Responsibilities
- Collaborate directly with Subject Matter Experts (SMEs) and client stakeholders to deliver high-quality technical and application support for multiple utility company applications.
- Provide technical support, maintenance, and troubleshooting for enterprise-level applications, including Commercial Off-the-Shelf (COTS) solutions.
- Investigate, diagnose, and resolve software issues, application errors, and system performance problems.
- Respond to user inquiries, service requests, and trouble tickets in a timely and professional manner.
- Research and analyze technical issues to identify root causes and implement effective solutions.
- Manage and prioritize multiple support requests and open issues based on urgency, business impact, and established service-level expectations.
- Follow established change management processes and best practices when implementing application updates, fixes, and proposed solutions.
- Perform application debugging, troubleshooting, and minor bug fixes to maintain system functionality and reliability.
- Monitor application and internal system performance, proactively identifying potential issues and opportunities for improvement.
- Collaborate with technical teams to escalate and resolve complex application issues while minimizing business disruptions.
- Provide on-call technical support as needed to ensure application availability and operational continuity
Basic Qualifications
- Requires BS and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.
- Demonstrated experience in an object-oriented language such as Java, C#/.NET
- Demonstrated experience in Python
- Demonstrated experience with JavaScript frameworks (e.g. React.js/Node.js/Next.js)
- Experience working with relational (e.g., MySQL) and non-relational (e.g., MongoDB) databases
- Experience with Windows and Linux operating system environments
- Experience with code repositories, such as Subversion and Git
- Experience with UI/UX design and best practices, able to translate requirements into a clean and functional interface
- Experience developing software for large sets of Geospatial data
- Troubleshoot and problem solve both technical and non-technical issues
- Able to research and adapt to unfamiliar technologies
- Must have an active DoD Secret clearance with the ability to obtain a Top Secret /SCI.
Preferred Qualifications
- Understanding of cloud infrastructure and services (e.g., IaaS)
- Understanding of various data formats, such as CSV, JSON, XML, etc.
- Experience with ETL processes
- Experience handling big data sets
- Experience with containerization (e.g., Docker and Kubernetes)
- Experience with ActiveMQ
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:October 30, 2026For 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.
Skills Required
- Bachelor’s degree and 4+ years of relevant experience, or master’s degree and 2+ years of relevant experience; additional experience may substitute for a degree.
- Demonstrated experience with an object-oriented language such as Java or C#/.NET.
- Demonstrated experience with Python.
- Experience with JavaScript frameworks such as React.js, Node.js, or Next.js.
- Experience with relational and non-relational databases such as MySQL and MongoDB.
- Experience with Windows and Linux operating systems.
- Experience with code repositories such as Subversion and Git.
- Experience with UI/UX design and translating requirements into functional interfaces.
- Experience developing software for large geospatial datasets.
- Ability to troubleshoot and solve technical and non-technical issues.
- Ability to research and adapt to unfamiliar technologies.
- Active TS/SCI clearance.
- Understanding of cloud infrastructure and services such as IaaS.
- Understanding of CSV, JSON, XML, and other data formats.
- Experience with ETL processes.
- Experience handling big data sets.
- Experience with Docker and Kubernetes.
- Experience with ActiveMQ.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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 newly launched 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.
