Senior Software Engineer

Leidos is seeking a TS/SCI cleared Senior Software Engineer to join our mission-driven team. This role supports our client’s efforts to design and implement a cutting-edge data-centric architecture leveraging cloud-based computing, artificial intelligence (AI), machine learning (ML), and cross-domain transfer systems.

Why Join Us?

At Leidos, we believe in empowering our employees through training, teamwork, and exposure to challenging technical work. As part of our all-star team, you’ll have the opportunity to accelerate your career path while contributing to impactful projects that make a difference.

We offer:

• Flexible work arrangements (remote and on-site in Bethesda, MD).

• A collaborative environment that values innovation and professional development.

• Opportunities to work on mission-focused solutions with cutting-edge technologies.

About the Role:

As a Senior Software Engineer, you will:

• Work in a DevSecOps environment to ensure the availability of biometric systems and data for end users.

• Lead the integration, maintenance, and monitoring of software systems to ensure constant availability of technical resources.

• Design, implement, and enhance complex software systems, including processing-intensive analytics, real-time systems, and business management information systems.

• Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop enterprise AFEM (Automated Facial Extraction and Matching) capabilities.

• Participate in test, staging, and production deployments, ensuring system reliability and performance.

Key Responsibilities:

• Develop and maintain software applications using C#

• Implement API development, ETL processes, and enterprise search capabilities (e.g., Elasticsearch).

• Utilize DevOps tools like GitLab or Jenkins for CI/CD practices.

• Monitor automated system integration tests and resolve system abnormalities.

• Foster collaboration within the team to deliver high-quality solutions to customers.

• Technical lead for mission-critical system including system maintenance, mission integration and cross-platform data synchronization

• Represent multiple technical teams in divisional software integration project

• Drive innovation, process improvement, and technical re-architecting to support emerging technologies in biometrics, computer vision, and other AI/ML-driven data processing

Required Qualifications:

• Education: Typically requires Masters with 15 + years of prior relevant experience or Doctorate with 13+ years of prior relevant experience.

• Clearance: Active Top Secret/SCI clearance with the ability to obtain and maintain Poly.

• Technical Skills:

  • Proficiency in C# programming and API development.

  • Knowledge of SQL Server, ETL processes, and application-level security.

  • Hands-on experience with microservices and logging systems.

Preferred Qualifications:

• Familiarity with biometric systems and SDKs.

• Experience with containerization (e.g., Docker) and DevOps tools

• Experience with AWS cloud-based architecture and services like Lambda.

• Experience with GPU for processing using CUDA, PyTorch, etc.

• Knowledge of GraphQL, Python, Bash, Apache NiFi, and Kafka.

• Active certifications such as Security+ or CE.

• Proficiency with Linux server management and tools optimized for cross-platform environments.

#NMECDTP-Leidos

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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 12, 2026