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 DIA-NEMC 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 Python 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. You'll 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

Design, develop, test, and maintain Python microservicesImplement message consumers and producers with Apache KafkaIntegrate with Elasticsearch for real-time and batch data indexing and queryingWrite unit and integration tests; ensure high code coverage and reliabilityBuild CI/CD pipelines for your services and deploy them in Kubernetes clustersParticipate in design discussions, code reviews, and architecture planningMonitor and troubleshoot production issues with observability toolsContribute to technical documentation and knowledge sharing within the teamUtilizes software engineering and design methodologies appropriate to the development, integration, and production environmentFoster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers

To be successful in this role you need these skills (required):

Requires Bachelor’s Degree and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experienceMust possess an Active Top Secret/SCI clearance and ability to obtain and maintain a PolygraphProficiency in Python and related backend frameworks (e.g., FastAPI, Flask).Experience with containerization, especially with DockerExperience in Extraction, Transformation, and Load (ETL)Hands-on development experience in a Linux environment including bash or bash-like scriptingStrong understanding of RESTful APIs and microservice architectureHands-on experience with Kubernetes: deploying, monitoring, and debugging servicesUnderstanding of common design patterns, security practices, and logging/monitoring principlesFamiliarity with Git and collaborative workflows (PRs, reviews)Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or JenkinsStrong verbal and written communication skillsExperience with AGILE practicesEnthusiastic with the ability to work well in a team and a self-starter who can work on their own

You will wow us even more if you have some of these skills:

Active Security+ certification and ability to obtain Privileged User Account (PUA) certification by the GovernmentElasticsearch certifications or other program stack related certificationsFamiliarity with authentication and authorization products such as KeycloakGraphQL familiarity and/or Apache NiFi experienceExperience of a production/enterprise systems at scaleKnowledge of distributed systems concepts (e.g., idempotency, eventual consistency)Familiarity with schema registries and Kafka streaming patterns

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We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:August 18, 2025

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 $85,150.00 - $153,925.00

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.