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MANTECHseeks a motivated, career and customer-orientedSeniorSoftware Developerto join our team inAnnapolis Junction, MD.This is an onsiteposition. In this role, you'll apply your deep technical expertise to research, design, and develop computer and network software or specialized utility programs. Analyze user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis. Update software or enhance existing software capabilities. May work with computer hardware engineers to integrate hardware and software systems and develop specifications and performance requirements. Responsibilities include but are not limited to: Full Stack Python Engineering: Build and deploy full-stack applications using Python (Django/FastAPI) for RESTful API logic and modern JavaScript frameworks for the UI, ensuring efficient data serialization and state management. Team Collaboration: Execute rigorous version control workflows using Git, including complex mergers, rebasing, and peer code reviews to maintain high-quality standards within a CI/CD pipeline. Multi-Application Integration: Develop custom middleware and integration layers that synchronize data across heterogeneous systems through webhooks, message queues, and standardized API protocols. System Orchestration: Program automated deployment logic and service discovery routines to manage the lifecycle of distributed applications across containerized environments. Linux Administration: Perform system tuning and Bash automation to manage package dependencies, network configurations, and kernel-level permissions across production server clusters. Minimum Qualifications: Experienced python software engineer with strong background in either backend or frontend development, full stack preferable. Experience working on a team of developers with knowledge of software version control and collaboration tools. Ability to create multi-application solutions bridging multiple software capabilities together. Some experience with the concept of System Orchestration and developing capabilities to conduct orchestration or tying into existing capabilities. Experience with Linux Administration or at least a strong familiarity with Linux required. Preferred Qualifications: Experience with full-stack development, including creating and interacting with databases and APIs. Knowledge of Infrastructure as Code (IaC) principles. Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes). Understanding virtualization platforms such as (for example VMware VSphere or others. Troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues. Have a foundational understanding of traditional Systems Administration principles. Clearance Requirements: Must have a current/active DoD TS/SCI Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Date Posted: 2026-02-25 Country: United States of America Location: US-TX-RICHARDSON-C Cityline Dr CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: TS/SCI without Polygraph Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon is hiring a Senior Database Engineer to support our teams in Richardson TX . You will have the opportunity to directly impact the world around you and contribute to classified programs and technologies you are passionate about. In this position you would be familiar with creating, updating, and managing databases and the code that interacts with them. What You Will Do Identify and understand customer needs and apply sound, demonstrable understanding of database principles, theories, and concepts related to software engineering to translate those needs to viable design solutions. Demonstrate critical thinking skills with the ability to communicate concepts and ideas well. Successfully integrate Commercial Off-the-Shelf (COTS) products as part of customer-driven solutions. Use proven problem solving and analytical skills. Obtain and maintain SCI program access and complete polygraphs. Obtain Security+ certification within 60 days of start. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of Database Engineering experience. Experience as a Database Administrator (DBA) and Database Engineer (DBE). Experience with Relational Database Management Systems (RDBMS) solutions, such as Oracle, Postgres, or related systems. Experience working with Systems and Software Engineers to implement, and modify backend databases to interact with applications within a development environment. Experience virtualizing or containerizing databases. Experience using Linux command line to perform database administration activities. Active and transferable Top Secret U.S. government issued security clearance is required prior to start date with the ability to obtain a TS/SCI prior to start date. U.S. Citizenship is required as only U.S. Citizens are eligible for a clearance. Qualifications We Prefer Existing Security+ Certification Experience with AWS. Experience with NoSQL database products such as MongoDB and DynamoDB. Experience troubleshooting database issues such as DR, replication & backups and other related issues. Experience troubleshooting performance issues Experience with database security controls and audit & compliance requirements. Experience with automating routine tasks. Experience with Spatial databases Coding experience (SQL, Python, Java) is helpful! What We Offer Whether you're just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. Relocation Eligibility - Relocation assistance is available. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: North Texas: We Are RTX As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms