Senior Systems Engineer

Senior Systems Engineer

Location: Gaithersburg, MD
Required Clearance: Active TS/SCI with Polygraph Eligibility
Employment Type: Full-Time Regular
Shift: Day
Travel: No
Relocation Assistance: Yes

Company Overview

We are Ennoble First. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into an opportunity.

Position Overview

Ennoble First is seeking an experienced and innovative Senior Systems Engineer to support the National Geospatial-Intelligence Agency (NGA) in Gaithersburg, Maryland. In this role, you will help design, integrate, and evolve mission-critical systems that enable GEOINT operations.

Working alongside software engineers, cybersecurity professionals, Product Owners, Agile teams, and government stakeholders, you will transform mission needs into scalable, secure, and resilient technical solutions using modern systems engineering practices and DevSecOps principles.

Primary Responsibilities

• Lead systems engineering activities across the full system lifecycle, including requirements analysis, architecture development, integration, testing, deployment, and sustainment.

• Collaborate with Product Owners, Scrum Masters, and Agile development teams to refine features and translate mission needs into technical solutions.

• Develop and maintain system architectures, interface definitions, operational concepts (CONOPS), and technical documentation.

• Perform systems decomposition, functional analysis, allocation, and traceability using industry-standard systems engineering practices.

• Support backlog refinement, sprint planning, and technical roadmap development.

• Evaluate system performance, identify technical risks, and develop mitigation strategies.

• Coordinate integration across multiple development teams and external mission partners.

• Support verification and validation activities, ensuring requirements are fully tested and documented.

• Participate in design reviews, architecture reviews, technical interchange meetings, and customer briefings.

• Support DevSecOps initiatives and continuous integration and continuous delivery (CI/CD) processes.

• Ensure compliance with customer and Intelligence Community engineering standards and security requirements.

Required Qualifications

• Bachelor's degree in Systems Engineering, Computer Science, Software Engineering, Electrical Engineering, or a related STEM discipline and 8-12 years of prior relevant experience, or Master's degree with 6-10 years of prior relevant experience.

• 8+ years of professional systems engineering experience.

• Experience supporting customer, Department of Defense, or Intelligence Community programs.

• CompTIA Security+ certification.

• INCOSE Systems Engineering Professional certification (ASEP, CSEP, or ESEP).

• Strong understanding of systems engineering principles and the systems development lifecycle.

• Experience working with Agile frameworks such as Scrum, SAFe, or Kanban.

• Experience with requirements management tools such as Jira, Confluence, or similar platforms.

• Knowledge of cloud environments, including AWS, Azure, or GovCloud.

• Experience with system integration, interface management, and enterprise architecture.

• Familiarity with DevSecOps pipelines and CI/CD tools.

• Ability to work effectively in a collaborative, cross-functional team environment.

• Active TS/SCI clearance with the ability to successfully complete a polygraph examination.

Preferred Qualifications

• Experience supporting NGA mission systems or GEOINT programs.

• Experience with Model-Based Systems Engineering (MBSE) and SysML.

• Familiarity with Cameo Systems Modeler or similar modeling tools.

• Experience with Kubernetes, Docker, and containerized applications.

• Knowledge of microservices architecture.

• Experience with REST APIs and distributed systems.

• INCOSE Systems Engineering Professional certification (ASEP, CSEP, or ESEP).

• SAFe Agilist, Scrum Master, or other Agile certification.

• Experience supporting cloud-native or hybrid cloud environments.

Pay Range

$135,000-$160,000

The Ennoble First 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.

Equal Employment Opportunity

Ennoble First is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by law.

E-Verify Participation

Ennoble First participates in E-Verify. Learn more at

E-Verify is a registered trademark of the U.S. Department of Homeland Security.

Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Ennoble First participates in E-Verify.

The information below will be listed on our website's careers landing page.

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E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.