Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.Leidos has an exciting opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DOMEX Technology Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks.  Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. The percentage of remote work will vary based on client requirements/deliverables.Looking for a skilled Developer to join our team to build and maintain scalable microservices that interface with Kafka for real-time messaging and Elasticsearch for data indexing and search. Youll deploy and monitor your services in a Kubernetes environment and collaborate with cross-functional teams in designing reliable, observable, and secure systems.You will work closely with the team on the following key tasks<ul><li>Design, develop, test, and maintain Python microservices</li><li>Implement message consumers and producers with Apache Kafka</li><li>Integrate with Elasticsearch for real-time and batch data indexing and querying</li><li>Write unit and integration tests; ensure high code coverage and reliability</li><li>Build CI/CD pipelines for your services and deploy them in Kubernetes clusters</li><li>Participate in design discussions, code reviews, and architecture planning</li><li>Monitor and troubleshoot production issues with observability tools</li><li>Contribute to technical documentation and knowledge sharing within the team</li><li>Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment</li><li>Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers</li></ul>To be successful in this role you need these skills (required):<ul><li>Requires Bachelor’s Degree and 2 or more years of prior relevant experience</li><li>Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph</li><li>Experience with Python and related backend frameworks (e.g., FastAPI, Flask).</li><li>Experience with containerization, especially with Docker</li><li>Experience in Extraction, Transformation, and Load (ETL)</li><li>Hands-on development experience in a Linux environment including bash or bash-like scripting</li><li>Good understanding of RESTful APIs and microservice architecture</li><li>Hands-on experience with Kubernetes: deploying, monitoring, and debugging services</li><li>Understanding of common design patterns, security practices, and logging/monitoring principles</li><li>Familiarity with Git and collaborative workflows (PRs, reviews)</li><li>Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins</li><li>Strong verbal and written communication skills</li><li>Experience with AGILE practices</li><li>Enthusiastic with the ability to work well in a team and a self-starter who can work on their own</li></ul>You will wow us even more if you have some of these skills:<ul><li>Active Security+ certification and ability to obtain Privileged User Account (PUA) certification by the Government</li><li>Elasticsearch certifications or other program stack related certifications</li><li>Familiarity with authentication and authorization products such as Keycloak</li><li>GraphQL familiarity and/or Apache NiFi experience</li><li>Experience of a production/enterprise systems at scale</li><li>Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency)</li><li>Familiarity with schema registries and Kafka streaming patterns</li></ul>#NMECDTP-LeidosIf youre looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. Were already at step 30 — and moving faster than anyone else dares.<h2></h2><h2></h2><h2>Original Posting:</h2>September 24, 2025<div><div><div><div><div><div><div>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.</div></div></div></div></div></div></div><div></div><h2>Pay Range:</h2>Pay Range $67,600.00 - $122,200.00The 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.

Leidos Holdings

Software Engineer

Leidos Holdings

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