Software Systems Engineer

Description Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector, 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 Leidos Pay and Benefits ( , including 4 or more weeks 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! As a software engineer you will support the full lifecycle of enterprise infrastructure solutions across mission-critical environments, including design, development, integration, operations, modernization, and sustainment activities. This role leverages Python development, GUI applications, and Bill of Materials (BOMs) integration capabilities to automate processes, enhance system performance, and improve operational visibility across mission systems. The position requires collaboration with Government stakeholders, technical teams, and senior leadership to solve complex engineering challenges while ensuring compliance with ISO/IEC 15288 systems engineering standards and delivering high-quality technical solutions in support of mission objectives. Primary Responsibilities Design, develop, and maintain Python-based automation tools and infrastructure solutions supporting enterprise and mission environments. Develop and enhance GUI applications and dashboards for operational monitoring, data visualization, and system management. Analyze system performance, operational data, and technical trends to support mission and engineering decisions. Support BOM integration, configuration management, and infrastructure sustainment across enterprise systems. Apply systems engineering principles throughout the system lifecycle, including requirements analysis, design, integration, testing, operations, and maintenance. Perform technical analysis and provide recommendations for infrastructure improvements, modernization efforts, and engineering alternatives. Collaborate with Government stakeholders and cross-functional teams to develop technical documentation, resolve system issues, and ensure quality engineering deliverables aligned with ISO/IEC 15288 standards. Basic Qualifications: Bachelor’s degree in Engineering, Computer Science, Information Systems, or a related technical discipline from an accredited college or university with a minimum of six (6) years of systems engineering and/or software engineering experience supporting enterprise or mission-critical environments; candidates without a Bachelor’s degree may be considered on a case-by-case basis and must possess an additional four (4) years of relevant engineering experience. Masters Degrees may count towards experience. Experience developing Python-based automation solutions, GUI applications, and utilizing enterprise analytics or monitoring platforms to support infrastructure and mission operations Knowledge of BOM integration, systems engineering lifecycle processes, and ISO/IEC 15288 standards, with strong analytical, troubleshooting, communication, and collaboration skills in fast-paced mission environments Security Clearance Requirement - Active TS/SCI with Polygraph conmd KQW 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: August 17, 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 onlyand 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. About Leidos Leidos is an industry and technology leader serving government and 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00189764

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet. Leidos