Systems Engineer, Risk Mitigation with SIGINT- Senior

Job Type: Full- Time

Workplace Type: Onsite in Chantilly, VA and Reston, VA (time split between locations as needed)

Clearance: TS/SCI w/ CI Poly

Must be a U.S. Citizen

Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too.

Job Summary

Castalia Systems is seeking a highly skilled Senior Systems Engineer with deep experience in risk mitigation within SIGINT environments to support a mission-critical Intelligence Community (IC) customer. This role focuses on proactively identifying, analyzing, and mitigating technical and operational risks across complex, distributed SIGINT systems and architectures.

The ideal candidate brings a strong systems engineering foundation combined with hands-on experience in signals intelligence platforms, mission systems integration, and secure architecture design.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

• Lead risk identification, assessment, and mitigation strategies across SIGINT system lifecycles (design, integration, deployment, sustainment)
• Perform end-to-end systems engineering activities, including requirements analysis, architecture development, and system validation
• Analyze SIGINT system performance, vulnerabilities, and operational risks, recommending actionable mitigation strategies
• Develop and maintain risk registers, mitigation plans, and technical documentation
• Collaborate with mission stakeholders, operators, and cross-functional engineering teams to ensure risk-informed decision-making
• Support system integration and interoperability across multi-domain and distributed SIGINT architectures
• Ensure compliance with IC standards, cybersecurity frameworks, and mission assurance requirements

Required Qualifications:

• Bachelor's degree in Systems Engineering, Electrical Engineering, Computer Science, or related technical field (Master's preferred)
• 8-12+ years of systems engineering experience, with significant exposure to IC or DoD environments
• Proven expertise in risk management frameworks (e.g., risk registers, FMEA, mission assurance methodologies)
• Strong understanding of:
  
  
  
  • Systems engineering lifecycle (SELC)
  • Distributed systems and system-of-systems architectures
  • Cybersecurity principles within classified environments
  
  
  
  
• Ability to translate complex technical risks into clear, mission-relevant impacts
• Ability to understand SIGINT intel and how to provide intel analysis reports of specified locations
• Must understand collection systems; technical and non-technical

Desired Qualifications:

• DoD or IC experience
• Knowledge or experience with SSA (space situational awareness) preferred
• Knowledge or experience with SCS (space counter-space) preferred

Physical Requirements/Work Environment

• Onsite in Chantilly, VA and Reston, VA (time split between locations as needed)

Travel

• Minimal travel

Company Description

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers' needs and relevant technology, our team can bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it's evident when you compare us with anyone.

Disclaimer

Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.