Cyber Security Engineer

Job
Location: EL SEGUNDO, CA, United States
Date Posted: Dec 11, 2025
Category: Cyber
Subcategory: Cyber Engineer
Schedule: Full-time
Shift: Day Job
Travel: Yes, 10 % of the Time
Minimum

Clearance Required:

None
Clearance Level Must Be Able to Obtain: Secret
Potential for Remote Work: On-Site
Benefits:

SAIC is seeking a Cyber Security Engineer to join our MSEIT team in supporting the Evolved Strategic Systems (ESS) program in El Segundo, CA. Due to security requirements, work is required to be on-site in a secure facility.

The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the Space Force’s Space Systems Command. We support the Space Force’s acquisition of state-of-the-art Military Satellite Communications systems, providing global secure, survivable, and protected communications for our nation’s warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

• Perform systems engineering activities in the areas of cybersecurity, Risk Management Framework (RMF) Assessment & Authorization (A&A) in accordance with DoDI 8510.01.
• Perform cryptographic System Security Engineering (SSE) in compliance with NSA requirements and regulations.
• Define security requirements, architecture, and design for embedded and large-scale, distributed DoD space and ground control systems.
• Apply risk management concepts to mitigate vulnerabilities in system security architectures.
• Interface with the Space Force customer, system stakeholders, and external contractors to coordinate cybersecurity and cryptographic requirements and architecture flow down from the system level to individual elements of the system.
• Support integration activities of cybersecurity for space and ground networks.
• Participate and propose inputs for verification and validation of cybersecurity requirements.
• Perform cybersecurity planning and scheduling for RMF and coordinate efforts to categorize and assign impact values for confidentiality, integrity, and availability of systems per CNSSI 1253 to produce a tailored set of RMF security controls per NIST 800-53.
• Provide critical inputs to the Program Protection Plan and assist in identification of Critical Program Information (CPI)/Critical Components (CC).
• Provide critical inputs to Cybersecurity Strategies and assist government with milestone approvals.

Qualifications

Required:

• Ability to obtain a DoD Secret security clearance is required to be considered for this position.
• BS in technical field, such as engineering, mathematics, physics, or computer science. An equivalent technical degree (such as MS in technical field, such as engineering, mathematics, physics, or computer science).
• 2+ years of work experience in System Engineering Architecture/Design.
• 2+ years of work experience in Information Assurance (IA)/Cyber Security.
• Provide cybersecurity inputs to the Test and Evaluation Master Plan (TEMP) and coordinate Cybersecurity Test and Evaluation (T&E) requirements/activities (e.g., CVI, ACD, CVPA, AA) with stakeholders.
• Lead Mission Based Cybersecurity Risk Assessments (MBCRA) (e.g., MRAP-C, CTT) events and provide Mission Impact Analysis and recommendations to the program office.
• Understanding of the discipline and practice of Systems Engineering throughout the system lifecycle phases of concept, development, production, use, support, and retirement.
• Understanding of modern computing architectures including CI/CD, microservices, cloud, and container technologies.
• Proficient with Microsoft Office products (Word, Excel, PowerPoint).
• Strong interpersonal, organizational, and teambuilding skills.
• Strong writing and oral presentation skills; ability to write final-version deliverable technical documents and reports.
• Background in software design.

Desired:

• BS or MS degree in IA/Cyber security.
• Master’s degree in technical field, such as engineering, mathematics, physics, or computer science.
• Experience working on DoD programs.
• Proficient…