Senior Systems Engineer

Location: Annapolis Junction, MD

Time Type: Full time

Job Description

Leidos has a new and exciting opportunity for a Senior System Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

The Senior Systems Engineer will support the full lifecycle of enterprise infrastructure solutions across mission-critical environments, including design, development, integration, modernization, operations, and sustainment. This position will leverage Python development, containerization technologies, and Docker to automate processes, deploy scalable solutions, and improve system reliability and operational efficiency. The engineer will collaborate with Government stakeholders and technical teams to solve complex engineering challenges and deliver secure, high-quality solutions aligned with mission objectives.

Primary Responsibilities

• Maintain Python-based automation tools, scripts, and engineering solutions supporting enterprise and mission systems.
• Maintain containerized applications and services using Docker and related container technologies.
• Support the integration, configuration, troubleshooting, and sustainment of containerized solutions across Linux-based enterprise environments.
• Automate system deployment, configuration, monitoring, and operational processes to improve infrastructure reliability and efficiency.
• Apply systems engineering principles throughout the lifecycle, including requirements analysis, design, integration, testing, deployment, operations, and maintenance.
• Analyze system performance and technical issues and recommend solutions for modernization, scalability, reliability, and performance improvements.
• Collaborate with Government stakeholders and cross-functional engineering teams to resolve technical issues, document solutions, and deliver quality engineering products.

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asic Qualifications

• Bachelor’s degree in engineering, Computer Science, Information Systems, or a related technical discipline with a minimum of ten (10) years of systems and/or software engineering experience. Candidates without a bachelor’s degree may be considered with an additional four (4) years of relevant experience; a master’s degree may count toward experience requirements.
• Security Clearance: Active TS/SCI with Polygraph required.

Desired Qualifications

• Experience with Kubernetes, or other container orchestration platforms.
• Experience developing or maintaining CI/CD pipelines for containerized applications.
• Familiarity with Git/GitLab, Jenkins, Ansible, or similar DevSecOps and automation tools.
• Experience with REST APIs, Python-based GUI frameworks, dashboards, or data visualization tools.
• Knowledge of Bill of Materials (BOM) integration, configuration management, and software/container dependency management.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today

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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:

September 14, 2026

Pay Range:

Pay Range $107,900.00 - $195,050.00

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.