XCelerate Solutions

Senior Software Engineer - TS/SCI

XCelerate Solutions$120K — $145K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree with 8+ years of experience or Master's with 6+ years in a related field; experience may substitute for degree.
  • Active TS/SCI security clearance required, with ability to obtain a Polygraph.
  • Proficient in Python and backend frameworks like FastAPI or Flask.
  • Experience with containerization, particularly Docker.
  • Hands-on experience with Kubernetes for deploying and monitoring services.
  • Strong grasp of RESTful APIs and microservice architecture principles.
  • Familiar with CI/CD practices and tools such as GitLab or Jenkins.

Responsibilities

  • Design and develop Python microservices for project needs.
  • Implement message producers/consumers using Apache Kafka.
  • Integrate Elasticsearch for real-time data indexing and querying.
  • Write unit and integration tests to ensure reliable code coverage.
  • Build CI/CD pipelines for deployment in Kubernetes environments.
  • Engage in design discussions and peer code reviews for best practices.
  • Monitor production issues, using observability tools to troubleshoot.

Benefits

  • Flexible work schedule with some remote work opportunities based on client requirements.
  • Collaborative team-focused environment emphasizing innovation and professional development.
  • Opportunity to work on exciting projects utilizing cutting-edge technologies like AI and ML.
Full Job Description
Description

Senior Software Engineer - TS/SCI

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.

Specifically, we are 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. Our client's overall mission is to design and implement a data centric architecture that leverages cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems.

Location:

Bethesda, MD

Security Clearance:

Active TS/SCI

Responsibilities:
  • Design, develop, test, and maintain Python microservices
  • Implement message consumers and producers with Apache Kafka
  • Integrate with Elasticsearch for real-time and batch data indexing and querying
  • Write unit and integration tests; ensure high code coverage and reliability
  • Build CI/CD pipelines for your services and deploy them in Kubernetes clusters
  • Participate in design discussions, code reviews, and architecture planning
  • Monitor and troubleshoot production issues with observability tools
  • Contribute to technical documentation and knowledge sharing within the team
  • Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment
  • Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers


Minimum Requirements:
  • Bachelor's Degree and 8 or more years of prior relevant experience or Masters with 6 or more years of prior relevant experience. Experience can be considered in lieu of a degree.
  • Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph
  • Proficiency in Python and related backend frameworks (e.g., FastAPI, Flask).
  • Experience with containerization, especially with Docker
  • Experience in Extraction, Transformation, and Load (ETL)
  • Hands-on development experience in a Linux environment including bash or bash-like scripting
  • Strong understanding of RESTful APIs and microservice architecture
  • Hands-on experience with Kubernetes: deploying, monitoring, and debugging services
  • Understanding of common design patterns, security practices, and logging/monitoring principles
  • Familiarity 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 Jenkins
  • Strong verbal and written communication skills
  • Experience with AGILE practices
  • Enthusiastic with the ability to work well in a team and a self-starter who can work on their own


Preferred Qualifications:
  • Experience with designing and implementing software development kits
  • Familiarity DGX (Deep GPU Xceleration)
  • Active Security+ certification and ability to obtain Privileged User Account (PUA) certification by the Government
  • Elasticsearch certifications or other program stack related certifications
  • Experience of a production/enterprise systems at scale
  • Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency)
  • Familiarity with schema registries and Kafka streaming patterns
  • Experience blending analytical methodologies and leveraging existing COTS/GOTS/OS tools in an unconventional manner.
  • Experience with Amazon Web Services (AWS/C2S)
  • Familiarity or experience with building applications around Large Language Models, Agentic AI


About XCelerate Solutions

XCelerate Solutions is a technology consulting firm that provides a range of services to clients in the public and private sectors. The company was founded in 2013 and is headquartered in Reston, Virginia. XCelerate Solutions specializes in data analytics, cloud computing, and cybersecurity, and has a team of experienced professionals who are dedicated to helping clients achieve their goals. The company is committed to providing high-quality services and has been recognized for its excellence in numerous areas.
Learn more about XCelerate Solutions
Size
100 employees
Industry
Founded
2013

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